New holland kobelco e265 b crawler excavator service repair manual

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Workshop
Manual
Workshop
Manual
Print No. 87746510A
English - Printed in Italy
E265B
E305B
E265B
E305B

E265B
E305B
WORKSHOP MANUAL
All the information and data contained in this manual are based upon most recent information available at the
time of its publication.
NEW HOLLAND KOBELCO has the right to implement, at any time, any modification without providing any
communication.
NEW HOLLAND KOBELCO CONSTRUCTION MACHINERY S.p.A. - Product Support
Print No. 87746510A
Edition - December 2007
Copyright © New Holland

E265B-E305B INTRODUCTION
IN - 2
PAGE NUMBER
• Each page has a number, located on the external upper corner of the page. Each page number contains the
following information:
Example: T 1-2-3
Consecutive page number for each group
Group number (if exist))
Section number
T: Technical Manual
W: Workshop Manual
SYMBOLS
In this manual, the following safety alert symbol and signal words are used to alert the reader to the potential
for personal injury or machine damage.
This is the safety alert symbol.
When you see this symbol, be alert to the potential for personal injury.
Never fail to follow the safety instructions prescribed along with the safety alert symbol.
The safety alert symbol is also used to draw attentio in to component/part weights.
To avoid injury and damage, be sure to use appropriate lifting techniques and equipment when lifting
heavy parts.
UNITS USED
SI Units (International System of Units) are used in this manual.
MKSA system units and English units are also indicated in parentheses just behinds SI units.
Example: 24.5 MPa (250 kgf/cm2)
A table for conversion from SI units to other system units is shown below for reference purposes.
Quantity To convert from
(SI)
Into
(Others)
Multiply by Quantity To convert from
(SI)
Into
(Others)
Multiply by
Lenght mm in 0.03937 Pressure MPa kgf/cm2 10.197
mm ft 0.003281 MPa psi 145.0
Volume L US gal 0.2642 Power kW CV-PS 1.360
L US qt 1.057 kW HP 1.341
m3 yd3 1.308 Temperature °C °F °C x 1.8 + 32
Mass kg lb 2.205 Velocity km/h mph 0.6214
Force N kgf 0.10197 min-1 rpm 1.0
N lbf 0.2248 Flow rate L/min US gpm 0.2642
Torque N.m kgf.m 0.10197 mL/rev cc/rev 1.0
N.m lbf.ft 0.7375

INDEX E265B-E305B
MANUAL INDEX
SAFETY PRECAUTIONS Page
Section 1 GENERALITIES..................................................................... S1
Section 2 SAFETY PRECAUTIONS ...................................................... S2
Section 3 SAFETY PLATES .................................................................. S3
OPERATIONAL PRINCIPLE
Section 1 GENERAL
Group 1 Specifications.................................................................................T1-1
Section 2 SYSTEM
Group 1 Mechatro control system................................................................T2-1
Group 2 Hydraulic System...........................................................................T2-2
Group 3 Electrical System ...........................................................................T2-3
Section 3 COMPONENT OPERATION
Group 1 Hydraulic Pump Assy.....................................................................T3-1
Group 2 Pilot Valve ......................................................................................T3-2
Group 3 Control Valve .................................................................................T3-3
Group 4 Swing Device.................................................................................T3-4
Group 5 Travel Device.................................................................................T3-5
Group 6 Swivel Joint....................................................................................T3-6
Group 7 Cylinders........................................................................................T3-7
Group 8 Air Conditioner system...................................................................T3-8
OPERATIONAL PERFORMANCE TEST
Section 4 OPERATIONAL PERFORMANCE TEST
Group 1 Introduction ...................................................................................T4-1
Group 2 Standard Performances .................................................................T4-2
Group 3 Test Procedures ............................................................................T4-3
Group 4 Mechatro Controller .......................................................................T4-4
TROUBLESHOOTING
Section 5 TROUBLESHOOTING
Group 1 Troubleshooting (by error codes)...................................................T5-1
Group 2 Troubleshooting (by trouble)..........................................................T5-2
Group 3 Troubleshooting (trouble diagnosis mode).....................................T5-3

E265B-E305B INDEX
REPAIR INSTRUCTIONS
Section 1 GENERAL INFORMATION
Group 1 Precautions for Disassembly and Assembly.................................W1-1
Group 2 Tightening Torque ........................................................................W1-2
Section 2 UPPERSTRUCTURE
Group 1 Upperstructure ..............................................................................W2-1
Group 2 Pump Device.................................................................................W2-2
Group 3 Control Valve ................................................................................W2-3
Group 4 Swing Device ...............................................................................W2-4
Group 5 Pilot Valve .....................................................................................W2-5
Section 3 UNDERCARRIAGE
Group 1 Swing Bearing ..............................................................................W3-1
Group 2 Travel Device ...............................................................................W3-2
Group 3 Swivel Joint ..................................................................................W3-3
Group 4 Track Adjuster ..............................................................................W3-4
Group 5 Front Idler .....................................................................................W3-5
Group 6 Upper and Lower Roller ...............................................................W3-6
Group 7 Tracks ...........................................................................................W3-7
Section 4 FRONT ATTACHMENT
Group 1 Front attachment...........................................................................W4-1

SAFETY PRECAUTIONS

SAFETY PRECAUTIONS E265B-E305B
INDEX
Section 1 GENERALITIES
Section 2 SAFETY PRECAUTIONS
Section 3 SAFETY PLATES

S1 - 1
GENERALITIES E265B-E305B
SAFETY PRECAUTIONS
GENERALITIES
Read the Operation and Maintenance Instruction
Manual carefully before starting, operating,
maintaining, fuelling or servicing the machine.
Carefully read the explanation to each and all safety
signs in the special section of this Manual before
starting, operating, maintaining, fuelling or servicing
the machine.
Machine-mounted safety plates are colour coded
yellow with black borders when they refer to points
where special ATTENTION must be paid and failure
to observe them may cause a serious DANGER to
the integrity of machine operators. They are white
with red borders and black lettering when they refer
to a FORBIDDEN practice.
It is fundamental that all machine operators know
very well the meaning of each safety plate as this
considerably decreases operating hazards and
accidents.
Do not allow unauthorised personnel to operate or
service this machine.
Do not wear rings, wrist watches, jewellery, loose or
hanging garments, such as ties, torn clothing,
scarves, unbuttoned or unzipped jackets that can get
caught in moving parts. Wear certified safety clothes
such as: hard hat, no-slip footwear, heavy gloves, ear
protection, safety glasses, reflector vests, respirators
every time the job requires it. Ask your employer
about safety regulations in force and protective
equipment.
Always keep the operator’s compartment, step
plates, grab-rails and handles clean and clear of
foreign objects, oil, grease, mud or snow to minimise
the danger of slipping or stumbling. Remove mud or
grease from your shoes before operating the
machine.
Do not jump on or off the machine. Always keep both
hands and one foot, or both feet and one hand in
contact with steps and/or grab rails.
Do not use controls or hoses as hand holds. Hoses
and controls are movable parts and do not provide
solid support. Besides, controls may be inadvertently
moved and cause unexpected movement of the
machine or its attachments.
Never operate the machine or its attachments from
any position other than sitting in the driver’s seat.
Keep head, body, limbs, hands and feet inside the
operator’s compartment at all times to reduce
exposure to external hazards.
Be careful of possible slippery conditions of the steps
and hand rails as well as of the ground around the
machine. Wear protective boots or shoes with the
soles made of highly no-slip rubber
Do not leave the machine until it has come to a
complete stop.
Always check height, width and weight limitations
which may be encountered in the working site and
ensure the machine does not exceed them.
Assess exact paths of gas ducts, water mains,
telephone lines, sewers, overhead and underground
electric lines and all other possible obstacles.
Such paths should be opportunely defined by
competent Authorities. If necessary, require that the
service is interrupted or said installations are moved
prior to starting the work.
You must know the working capacity of the machine.
Define the rear upperstructure swing area and
provide for opportune barriers to prevent access into
it.
Never exceed machine lifting capacity.
Remain within the limits shown in the loading
capacity chart which located on the machine.
STARTING
Never start or operate a failed machine. Walk all
around the machine before mounting.
Before operating the machine, make sure that any
possible dangerous condition has been properly
removed. Before starting machine, check that
steering and attachment controls are in the neutral
position and the safety lever is in the LOCK position.
Immediately report any malfunction of parts or
systems to the maintenance managers for proper
action.
Prior to starting the engine, check, adjust and lock the
driver’s seat for maximum riding comfort and control
accessibility. Prior to operating the machine and/or
its attachments, check that bystanders are outside
the machine operating range. Sound the horn.
Obey all hand signals, safety indications and signs.
Due to the presence of flammable fluids, never
check fuel level, refuel, charge the batteries in the
presence of smoking materials, open flames or
sparks.
Ensure that nobody is within the excavator operating
area before starting the machine, swinging the upper
structure or moving in any direction.
Adjust all rear-view mirrors for maximum visibility of
the area behind the machine.
Ensure that engine speed is appropriate to the job to
be carried out.

E265B-E305B GENERALITIES
S1 - 2
If any hydraulic control or system exhibits erratic
performance or responds abnormally, have the
machine checked for air in the system.
Air in these circuits may cause incorrect movements
with consequent accident hazard. Refer to the
Operation and Maintenance Instruction Manual
about corrective action to be taken.
OPERATING
Do not run the engine of this machine in closed
buildings without proper ventilation capable to
remove harmful exhaust gases which concentrate in
the air.
Keep the operator’s compartment free of foreign
objects, especially if not firmly secured. Never use
the machine to transport objects, unless proper
securing points are provided.
Do not carry riders on the machine. Study and
familiarise with escape routes alternative to normal
exit routes. For your personal safety, do not climb on
or off the machine while it is in motion.
Make sure that bystanders are clear of the machine
operating range before starting the engine and
operating the attachment. Sound the horn.
Obey all hand signals, safety indications and signs.
When backing, always look to where the machine is
to be moved.
Be alert of the position of bystanders. Should
someone enter the work area, stop the machine.
Maintain a safe distance from other machines or
obstacles to ensure required visibility conditions.
Always give way to loaded machines.
Maintain a clear vision of the surroundings of the
travel or work area at all times. Keep cab windows
clean and repaired.
When pulling loads or towing through a cable or
chain, do not start suddenly at full throttle. Take-up
slack carefully. Avoid kinking or twisting chains or
cables.
Carefully inspect the towing items for flaws or
problems before proceeding. Do not pull through a
kinked chain or cable as the high anomalous stresses
existing in this condition may induce failures in the
kinked portion.
Always wear heavy gloves when handling chains or
cables.
Chains and cables should be securely anchored
using suitable hooks. Anchor points should be strong
enough to withstand the expected load.
Keep anyone clear of anchor points and cables or
chains.
Do not pull or tow unless the operator’s
compartments of the machines involved are
properly protected against possible backlash in
case of cable or chain failure or detachment.
Be alert of soft ground conditions close to newly
constructed walls. The fill material and machine
weight may cause the wall to collapse under the
machine.
In darkness, check area of operation carefully before
moving in with the machine. Use all lights provided.
Do not move into low visibility areas.
If the engine tends to slow down and stall for
whatever reason under load or at idle, immediately
report this problem to the maintenance managers for
proper action.
Do not operate the machine until this condition is
corrected. Regularly check all exhaust system
components, as exhaust fumes are toxic for the
operator.
Operators must know the performance of the
machine they are driving. When working on slopes or
near sudden level drops in the terrain, pay attention
not to lose adherence and avoid loose soft ground
since overturn or loss of machine control could result.
If noise level is high and exceeds 90 dB (A) over 8
hours at the operator’s ear, wear approved ear
protection in compliance with local regulations.
Do not operate the machine if you are extremely tired
or feel ill. Be especially careful towards the end of the
working shift.
Where removable counterweights are provided, do
not operate the machine if they have been removed.
When operating the machine, keep in mind height
limits of overhead doors, arches, overhead cables
and lines as well as width limits of corridors, roads
and narrow passages.
Also, get to know load limits of the ground and
paving type of the ramps you are to work on.
Beware of fog, smoke or dust that obscure visibility.
Always inspect the working area to identify potential
risks such as: inclines, overhangs, trees, demolition
rubble, fires, ravines, steep slopes, rough terrain,
ditches, crowns, ridge trenches,diggings in traffic
areas, crowded parking lots, crowded service areas,
fenced zones. In such conditions, proceed with
extreme care.
Whenever possible, avoid crossing over obstacles
such as very rough terrain, rocks, logs, steps,
ditches, railroad tracks.
When obstructions must be crossed, do so with
extreme care and at a square angle, if possible. Slow
down.
Ease up to the break-over point, pass the balance
point slowly and ease down the other side also using
the attachment, if necessary.
To overcome deep trenches or sinking ground, place
the machine perpendicular to the obstacle, drastically
reduce ground speed and start crossing using also

S1 - 3
the attachment if necessary, only after assessing that
ground conditions allow the traverse safely and
without risks.
The gradient you may attempt to overcome is limited
by factors such as ground conditions, load being
handled, machine type and speed, and visibility.
There is no substitute for good judgement and
experience when working on slopes.
Avoid operating the attachment too close to an
overhang or high wall, either above or below the
machine. Beware of caving edges, falling objects
and landslides. Remember that such hazards are
likely to be concealed by bushes, undergrowth and
such.
Avoid bushes, logs and rocks. Never drive over them,
nor over any other surface irregularities that
discontinue adherence or traction with the ground,
especially near slopes or drop-offs.
Be alert to avoid changes in adherence conditions
that could cause loss of control. Work with extreme
care on ice or frozen ground and on stepped slopes
or near drop-offs.
The word “bulldozing” generally refers to work in
virgin rough terrain, characterised by the presence of
all the perils and risks listed above. We emphasise
the danger represented in these conditions by large
tree limbs (possibly falling on the machine) and large
roots (which may act as a leverage under the
machine when up-rooted and cause the unit to
overturn).
Position the machine dependent upon the loading
and unloading areas in order to swing leftwards to
load to obtain best visibility.
Never use the bucket or attachment as a man lift
or carry riders. Never use the machine as a work
platform or scaffolding. The machine must not be
improperly used for works not consistent with its
features (such as pushing railway cars, trucks or
other machines).
Always pay attention to people within the machine
operating range.
Never move or stop the bucket, other loads or the
attachment above ground personnel or truck cabs.
Ensure the truck driver is in a safe place before
loading the truck.
Load trucks from side or rear.
Use only the type of bucket recommended
considering machine type, materials to be handled,
material piling up and loading characteristics, ground
type and other typical conditions of the work to be
performed.
When transporting a loaded bucket, keep it as
rolled-back as possible. Keep boom and arm as low
as possible.
Ground speed should be adequate to the load and
ground conditions.
The load must always be properly arranged in the
bucket; move with extreme care when transporting
oversize loads.
Do not lift and move the bucket overhead where
persons are standing or working, nor downhill when
working on a slope as this would decrease machine
stability. Load the bucket from the uphill side.
Loads to be raised using the machine should be
exclusively hooked to the hitch specially provided.
The excavator is no lifting and transportation means,
therefore it should not be used to position loads
accurately. Should it be exceptionally used to lift and
lay building components, special caution must be
taken as follows:
- The machine must be equipped compulsorily with
the appropriate variant provided upon request.
- Secure the loads to be raised using cables or
chains fastened with appropriate hooking
mechanisms.
- Nobody should be allowed to remain under the
raised load or within the excavator operating range
for any reason whatever.
Never exceed specified loading capacity. Incorrect
fastening of slings or chains may cause boom/arm
failure or failure of the lifting means with consequent
bodily injuries and even death.
Always ensure that slings and chains used for lifting
are adequate to the load and in good condition.
All loading capacities are referred to the machine
on a level surface and should be disregarded
when working on a slope.
Avoid travelling across slopes. Proceed from uphill
downhill and vice-versa. If machine starts slipping
sideways when on a slope, lower the bucket and
thrust bucket teeth into the ground.
Working on slopes is dangerous. Grade the working
area if possible. Reduce work cycle time if it is not
possible to grade the working area.
Do not move full bucket or a load from uphill downhill
as this would reduce machine stability. Do not work
with the bucket turned to the uphill side.
Do not work with the bucket turned uphill as
counterweights protruding downhill would reduce
machine stability on the slope and increase risk of
overturning.
We recommend to work on slopes with the bucket
downhill, after checking machine stability with the
bucket empty and attachment retracted, by slowly
swinging the upper structure by 360°.
Position the carriage at a right angle relative to
slopes, hanging walls, etc. to exit the working area
easily.
Standard use, provides for the travel controls at the
front and travel motors at the back. Should travel

S1 - 4
motors be positioned at the front with regard to the
actual travel direction. Remind relative to travel
direction that controls are reversed.
Always check travel motor position before moving off.
Properly judge ground conditions with particular
attention to consistency of the area you are going to
work on.
Keep the machine sufficiently far from the ditch
edge.
Never dig under the machine.
Should it be necessary to dig under the machine,
always ensure that digging walls are opportunely
propped up against landslide to prevent the machine
from falling into the trench.
Do not swing the upperstructure, raise the load or
brake abruptly if not required. This may cause
accidents.
Prior to beginning the work near gas distribution
mains or other public utilities:
- Contact the company owner of the gas mains or its
nearest branch before starting the work. Look up
the number in the telephone directory.
- Define together which precautions should be taken
to guarantee work safety.
- Decrease work speed. Reaction time could be too
slow and distance evaluation wrong.
- When working near gas mains or other public
utilities installations, appoint a person in charge of
signalling duties. This person will have the
responsibility of observing the machine, any part of
it and/or the load approaching the gas mains from
a standpoint more favourable than the Operator’s.
This signal man (flag-man) must be in direct
communication with the Operator and the Operator
must pay undivided attention to the signals
supplied.
- The gas distributing Company, if previously
advised and involved in the work, as well as
machine Operator, Owner and/or any natural
person or legal entity having rent or leased the
machine or being responsible at the time by
contract or by law, are liable for the adoption of the
necessary precautions.
Working near electric lines can be very dangerous,
therefore some special precautions must be
observed.
Within this Manual, “work near electric lines” means
when the attachment or load raised by the excavator
(in any position) may reach the minimum safety
distance established by local or international Safety
Regulations.
To work without risks, keep maximum possible
distance from electric lines and never trespass
minimum safety distance.
- Contact the Company owner of the electric lines or
its nearest branch before starting the work.
- Look up the in the telephone directory.
- Define together with the Company representative
which precautions should be taken to guarantee
work safety.
- All electric lines should be considered as operative
live lines even though it might be well known that
the line in question is out of work and visibly
connected to the ground.
- The Electric Power Company, if previously advised
and involved in the work, as well as machine
Operator, Owner and/or any natural person or legal
entity having rent orleased the machine or being
responsible at the time by contract or by law, are
liable for the adoption of the necessary
precautions.
- Decrease work speed. Reaction time could be too
slow and distance evaluation wrong.
- Warn all ground personnel to keep clear of the
machine and/or load at all times. If the load has to
be guided down for laying, consult the Electric
Power Company to know which precautions should
be taken.
- Appoint a person in charge of signalling duties.
This person will have the responsibility of observing
the machine, any part of it and/or the load
approaching the electric lines from a standpoint
more favourable than the Operator’s. This signal
man (flag-man) must be in direct communication
with the Operator and the Operator must pay
undivided attention to the signals supplied.
When working in or near pits, in ditches or very high
walls, check that the walls are sufficiently propped up
to avoid cave-in hazards.
Pay the utmost attention when working near
overhang walls or where landslides may take place.
Make sure that the support surface is strong enough
to prevent landslides.
When digging, there is the risk of cave-ins and
landslides.
Always check ground conditions and conditions of
the material to be removed. Support everywhere it is
required to prevent possible cave-ins or landslides
when:
- Digging near previous trenches filled with material.
- Digging in bad ground conditions.
- Digging trenches subject to vibration from
railroads, working machines or highway traffic.
STOPPING
When the machine is to be stopped for whatever
reason, always check that all controls are in the
neutral position and that the safety lever is on the lock
position to guarantee risk-free start-up.

S1 - 5
Never leave the machine unattended with the engine
running.
Prior to leaving the driver’s seat, and after making
sure that all people are clear of the machine, slowly
lower the attachment until resting it safely to the
ground. Retract possible auxiliary tools to the closed
safety position.
Check that all controls are in the neutral position.
Move engine controls to the shut-down position.
Switch off the key-start switch. Consult the Operation
and Maintenance Instruction Manual.
Park the machine in a non-operating and no-traffic
area. Park on firm level ground. If this is not possible,
position the machine at a right angle to the slope,
making sure there is no danger of uncontrolled
sliding.
If parking in traffic lanes cannot be avoided, provide
appropriate flags, barriers, flares and other signals as
required to adequately warn the oncoming drivers.
Always switch off the key-start switch before
cleaning, repairing, or parking the machine to prevent
accidental unauthorised start-up.
Never lower the attachment or auxiliary tools other
than from sitting in the operator’s seat. Sound the
horn. Make sure that nobody is within the machine
operating range. Lower the attachment slowly.
Securely block and lock the machine every time you
leave it unattended. Return keys to the safe place
previously agreed upon. Perform all necessary
operations for stopping as detailed in the Operation
and Maintenance Instruction Manual.
Drive the machine far from pits, trenches, rocky
hanging walls, areas with overhead electric lines, and
slopes before stopping it at the end of the working
day.
Align the upperstructure to the tracks in order to allow
to easily get on and off the driver’s compartment.
Move all controls to the position specified for machine
stopping. Refer the Operation and Maintenance
Instruction Manual.
Never park on an incline without accurately blocking
the machine to prevent unexpected movement.
Follow stopping instructions contained in the
Operation and Maintenance Instruction Manual.
MAINTENANCE
GENERALITIES
Carefully read the Operation and Maintenance
Instruction Manual before starting, operating,
maintaining, fuelling or servicing the machine in any
manner.
Read all safety plates mounted on the machine and
observe instructions they contain before starting,
operating, repairing, fuelling or servicing the
machine.
Do not allow unauthorised personnel to repair or
service the machine.
Follow all recommended maintenance and service
procedures.
Do not wear rings, wrist watches, jewellery, loose or
hanging garments, such as ties, torn clothing,
scarves, unbuttoned or unzipped jackets that can get
caught in moving parts. Wear certified safety clothes
such as: hard hat, no-slip footwear, heavy gloves, ear
protection, safety glasses, reflector vests, respirators
when required. Ask your employer about safety
regulations in force and protective equipment.
Do not use controls or hoses as hand holds. Hoses
and controls are movable parts and do not provide
solid support. Besides, controls may be inadvertently
moved and cause unexpected movement of the
machine or its attachments.
Do not jump on or off the machine. Always keep both
hands and one foot, or both feet and one hand in
contact with steps and/or grab rails.
Never service the machine with someone sitting in
the driver’s seat, unless this person is an authorised
operator assisting in the maintenance being carried
out.
Keep the operator’s compartment, step plates, grab
rails and handles clear of foreign objects, oil, grease,
mud orsnow to minimise the danger of slipping or
stumbling.
Clean mud or grease from your shoes before
climbing on the machine or driving it.
Never attempt to operate the machine or its
attachments from any position other than sitting in the
operator’s seat.
Keep the driver’s seat free from foreign objects,
especially if these are not secured.
Should it be necessary to move the attachment for
maintenance purposes, do not raise or lower the
attachment from any other position than sitting in the
operator’s seat. Before starting the machine or
moving its attachment, sound the horn and require
that nobody remains near the machine.
Raise the attachment slowly.
Always lock all moving components or parts of the
machine that must be lifted for maintenance
purposes using adequate external means as
required by local and national regulations. Do not
allow anyone to pass or stay near or below a raised
attachment. If you are not absolutely sure about your
safety, do not stay or walk under a raised attachment.
Do not place head, body, limbs, hands, feet or fingers
near articulated cutting edges deprived of the
necessary guards, unless they are suitably and
safely locked.

S1 - 6
Never lubricate, repair or adjust the machine with the
engine running, except when this is specifically
required by the Operation and Maintenance
Instruction Manual.
Do not wear loose clothing, jewellery near rotating
parts.
When service or maintenance require access to
areas that cannot be reached from the ground, use a
ladder or step platform conforming to local or national
regulations to reach the working area. If such means
are not available, use machine grab rails and steps.
Always perform all service or maintenance work with
the greatest care and attention.
Shop and/or field service platforms or ladders should
be manufactured and maintained in accordance with
local or national safety regulations in force.
Disconnect batteries and label all controls to warn
that service work is in progress, according to local
and national safety regulation requirements.
Block the machine and all attachments to be raised
according to local and national safety regulation
requirements.
Do not check or fill fuel tanks or install batteries near
burning or smoking materials and open flames due to
the presence of flammable vapours.
The fuel filler pipe nozzle must be constantly kept in
contact with the filler neck and this even before fuel
starts flowing in. Keep this contact from the beginning
to the end of the fuelling operation to avoid possible
generation of sparks due to static electricity.
Use a truck or trailer to haul a failed machine. Should
it be necessary to tow it, provide for suitable danger
signals as required by the local norms and
regulations and observe recommendations given in
the Operation and Maintenance Instruction Manual.
Load/unload the machine on firm level ground
providing safe support to the wheels of the truck or
trailer. Use strong access ramps, with adequate
height and angle. Keep the trailer flatbed free of mud,
oil or slippery materials. Tie the machine securely to
the trailer and block carriages and upperstructure.
Never align holes or slots using your fingers;
alwaysuse appropriate aligning tools.
Remove all sharp edges and burrs from re-worked
parts.
Use only approved and effectively grounded auxiliary
power sources for heaters, battery chargers, pumps
and similar equipment to reduce electrical shock
hazard.
Lift and handle heavy components using hoisting
devices of appropriate capacity. Ensure the parts are
supported by appropriate straps and hooks.
Use lifting eyes provided to this aim.
Pay attention to bystanders near the lifting area.
Never pour gasoline or diesel fuel into open
containers. Never use gasoline, solvents or other
flammable fluids to clean parts. Use proprietary
certified non-flammable, non-toxic solvents only.
When using compressed air to clean parts, wear
safety glasses with side shields. Limit pressure to
max. 2 bars, in accordance with local and national
safety regulations in force.
Do not run the engine of this machine in closed
buildings without proper forced ventilation capable to
remove toxic exhaust gases concentrating in the air.
Do not smoke, nor allow open flames or sparks
nearby while refuelling the unit or handling highly
flammable materials.
Do not use open flames as light sources to look for
leaks or inspect anywhere on the machine.
Make sure that all mechanical tools provided are in
good condition at all times. Never use tools with
mushroomed or damaged heads. Always wear eye
protections with side shields.
Move with extreme care when working under, on or
near the machine or its attachments.
In case of attachment tests during which the engine
should be kept running, a qualified operator must sit
in the driver’s seat at all times while the mechanic is
at work.
Keep hands and clothes far off moving parts.
Stop the engine and move the safey lever to the lock
position before starting adjusting or repairing an
assembly.
Do not carry out any work on the attachment without
prior authorisation. Observe maintenance and repair
procedures.
In case of field service, move the machine to level
ground and block it. If work on an incline cannot be
avoided, securely block the machine and its
attachments. Move the machine to level ground as
soon as possible.
Do not twist chains and cables. Never use a twisted
chain or cable for lifting or pulling. Always wear safety
gloves to handle chains or cables.
Be sure chains and cables are firmly fastened and
that the anchor point is strong enough to withstand
the expected load.
Keep all bystanders clear of the anchor point, cables
or chains. Do not pull or tow unless the operator’s
compartments of the machines involved are
fitted with proper guards against cable or chain
backlash.
Keep the maintenance area clean and dry at all
times.
Clean immediately all water and oil spillage.
Do not pile up oily or greasy rags as they represent a
major fire hazard. Always store them in closed metal
containers.
Before starting the machine or its attachment, check,
adjust and lock the operator’s seat. Also ensure that
nobody is within the machine or attachment

S1 - 7
operating range before starting or operating the
machine and/or its attachments.
Sound the horn.
Rust inhibitors are volatile and flammable.
Prepare parts in well ventilated areas. Keep open
flames away.
Do not smoke.
Store containers in a cool well ventilated place where
they could not be reached by unauthorised people.
Do not carry loose objects in your pockets that might
fall unnoticed into open compartments.
Wear appropriate safety clothing such as hard hat,
safety shoes and gloves, safety glasses when
splinters or other particles may be ejected.
Wear the appropriate welder’s equipment such as
dark safety glasses or mask, hard hat, protective
clothing, safety gloves and footwear always while
welding or arc-cutting. Wear dark safety glasses
when you are near a welding in progress.
Do not look the welding arc without proper eye
protection.
Become acquainted with all your jacking equipment
and their capacity.
Ensure that the jacking point on the machine is
appropriate for the load applied. Also, be sure the
supports under the jack and between the jack and the
machine are appropriate and stable.
Any equipment supported by a jack represents a
possible hazard. Always support the load onto
appropriate blocking means as a safety measure
before proceeding with service or maintenance work,
in compliance with local or national safety
regulations.
Metal cables produce steel splinters. Always wear
certified protection clothes such as safety gloves and
glasses while handling them.
Do not use makeshift jacks to adjust track sag. Follow
instructions given in the Repair Manual.
Handle all parts carefully. Keep hands and fingers
away from gaps, gears, and similar. Always use and
wear certified safety clothes such as safety glasses,
gloves and footwear.
The attachment is kept constantly in position by an oil
column trapped into the high pressure circuit. Lower
the attachment to the ground and relieve pressure
from all circuits prior to carrying out any type of
maintenance or repair work.
Do not service or repair the machine if it is parked
downhill. If this is unavoidable, in case of emergency,
block the carriages to prevent unexpected
movement, particularly if the work is to be carried out
on the final reduction units or travel motors.
Consult the Operation and Maintenance Instruction
Manual for correct maintenance procedure.
Areas near articulated cutting edges where
mechanical parts are in motion are where personal
injuries are most likely to occur. Pay attention to
prevent possible part movements by means of
blocks or by keeping clear of such zones when
motion may take place during maintenance or repair.
Move the hydraulic system lock safety lever to the
lock position when stopping the machine for
whatever reason.
Always install the safety stays for the hood and other
hinged covers before performing any maintenance or
repair work in the engine compartment.
TRANSFERS AND TRANSPORTATION
Before moving or transporting the machine, block
upperstructure swing to prevent accidental
movement.
Pay particular attention during transfer on inclines,
both uphill and downhill. Keep the bucket in a position
to provide a possible anchor point into the ground in
case of slipping.
During transfers on inclines, both uphill and downhill,
keep the upperstructure aligned with the carriages.
Do not travel across the slope.
Never transfer the machine in the working site, in a
crowded area, or near people without having at least
one person charged with hand-signals who could
guide the Operator.
Sound the horn to inform that you are about to move
off.
It is necessary to know load limits of bridges and
dimensional limits of tunnels. Such limits must never
be exceeded. You should also know machine height,
width, and weight. Have a signal-man help you when
clearances are limited.
Check distance between boom/arm and dimensional
limits during transfer or transportation.
Rough terrain may cause the machine to sway and
roll to such an extent that boom/arm could get to
contact electric lines or other obstacles. Cross
obstacles at a right angle at low speed. Pay attention
to machine shaking when the centre of gravity
overcomes the obstacle.
Keep the bucket down at all times during transfers.
Drive with the lights on and use appropriate signals
and flags.
Get to know and respect local and national
regulations.
Consider boom/arm and upperstructure dimensions
while turning.
Use a ramp to load the machine on a trailer. If a ramp
is not available, fabricate one using blocks. The ramp
should be sufficiently strong to support machine
weight. Always load and unload on level surface.

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S1 - 8
Tow the machine following the instructions contained
in the Operation and Maintenance Instruction
Manual.
ENGINE
Do not run the engine in closed buildings without
proper ventilation capable to remove harmful exhaust
fumes.
Do not place head, body, limbs, feet, hands or fingers
near rotating fans or belts. Be especially careful near
blower fans.
Loosen the radiator cap very slowly to relieve system
pressure before removing it. Always top-up coolant
level with the engine off or idling if hot. See the
Operation and Maintenance Instruction Manual.
Keep the exhaust manifold and tube free from
combustible matters. Fit the machine with shields
and guards when working in the presence of
combustible matter free in the air.
Do not refuel with the engine running, especially if
hot, as this increases fire hazard in case of fuel
spillage.
Never attempt to check or adjust fan belt tensions
when the engine is running.
Do not adjust the fuel injection pump when the
machine is operating.
Do not lubricate the machine with the engine running.
Do not run the engine with the air intakes open and
not protected. If this cannot be avoided for service
reasons, place protection meshes on all intakes
before servicing the engine.
ELECTRICAL SYSTEM
Pay attention to connect connecting cables to correct
poles (+ to +) and (- to -) at both ends. Do not short-
circuit terminals. Thoroughly follow instructions given
in Operation and Maintenance Instruction Manual.
Always move the key-start switch in the lock position
before servicing or repairing the machine.
Batteries contain SULPHURIC ACID. Protect the
eyes when working near the batteries against
possible sprays of the acid solution. Should acid
contact skin, eyes, or clothes, RINSE IMMEDIATELY
IN WATER FOR AT LEAST 15 MINUTES.
Immediately seek medical attention.
Battery released gas is highly flammable. Leave
the battery compartment cover open during
recharging to improve ventilation. Never check
battery charge by placing metal objects across the
posts. Keep sparks or open flames away from
batteries. Do not smoke near the battery to prevent
explosion hazard.
Before any maintenance or repair, make sure that
there are no fuel or electrolyte leaks from the
batteries. If any, correct prior to proceeding with
further work. Do not recharge batteries in confined
spaces. Ensure proper ventilation is provided to
avoid accidental explosions due to build-up of
explosive gas released during charging.
Disconnect batteries before working on the electrical
system or carrying out any other type of work.
HYDRAULIC SYSTEM
Pressure fluid escaping from a very small hole can be
almost invisible and still have sufficient force to
penetrate the skin. Always check any suspected
pressure leaks using a piece of cardboard or wood.
Do not use hands. If injured by escaping fluid, obtain
medical attention immediately or serious infection or
reaction may develop.
Stop the engine and ensure pressure is relieved from
all systems before removing side panels, housings,
guards and covers. See the Operation and
Maintenance Instruction Manual.
Always use gauges of adequate capacity for
pressure testing. Refer to the Operation and
Maintenance Instruction Manual or Repair Manual.
TOOLS
Always keep head, body, limbs, feet, hands, and
fingers away from the bucket and attachments, when
in the raised position.
Prior to any maintenance or repair work, install all
supports necessary to this aim according to local and
national safety regulations.
In case the attachment is to be operated for
maintenance or repair purposes, do so exclusively
while sitting in the driver’s seat. Sound the horn
before starting the machine or moving the
attachment. Require that nobody remain near the
machine. Raise the attachment slowly.
Do not use the machine to transport loose objects,
unless proper securing devices are provided.
Never use gases other than nitrogen to charge the
accumulators.

S2 - 1
RECOGNISE SAFETY INFORMATION
• This is your SAFETY ALERT SYMBOL
- When you see this symbol on your machine or
in this Manual, be alert of the potential for
personal injury.
- Follow recommended precautions and safe
operating practices.
UNDERSTAND SIGNAL WORDS
• In this Manual you will find the following words
referring to different hazard risks:
- DANGER;
- WARNING;
- CAUTION.
These words are always accompanied by the safety
alert symbol.
DANGER: indicates an imminent hazardous
situation which, if not avoided, will result in death or
serious injury.
WARNING: indicated a potential hazardous
situation which, if not avoided, could result in death
or serious injury.
CAUTION: indicates a potential hazardous situation
which, if not avoided, may result in minor or
moderate injury.
IMPORTANT: indicates a situation which, if not
avoided, may cause damage to the machine.
NOTE: indicates an additional explanation for
information purposes.
ENVIRONMENTAL PROTECTION
• This Manual also contains this symbol
accompanying instructions for correct behaviour
as regards environmental protection.
WARNING
CAUTION
IMPORTANT
NOTE
DANGER

E265B-E305B SAFETY PRECAUTIONS
S2 - 2
FOLLOW SAFETY PRECAUTIONS
• Carefully read and observe all safety signs on the
machine and read all safety precautions in this
Manual.
• Safety signs should be installed, maintained, and
replaced when necessary.
- If a safety sign or this Manual are damaged or
missing, obtain a replacement from your Dealer
in the same way you order a spare part (be sure
to detail machine model and serial number upon
ordering).
• Learn how to operate the machine and its controls
correctly and safely.
• Allow only trained, qualified, authorised personnel
to operate the machine.
• Keep the machine in proper working conditions.
- Unauthorised changes to the machine may
impair function and/or safety and affect machine
life.
• Safety messages in this Chapter “SAFETY
PRECAUTIONS”, are intended to illustrate basic
safety procedures of the machine. However, it is
impossible for these safety messages to cover
every hazardous situation you may encounter. If
you have any doubts, consult your direct
supervisor prior to operating or servicing the
machine.
PREPARE FOR EMERGENCIES
• Be prepared if a fire starts or an accident occurs.
- Keep the first-aid kit and fire extinguisher on
hand.
- Thoroughly read and understand the label
attached to the fire extinguisher to use it
properly.
- Establish emergency priority procedures to
cope with fires and accidents.
- Keep emergency numbers for doctors,
ambulance service, hospitals and fire
department posted near the telephone.

S2 - 3
WEAR PROTECTIVE CLOTHING
• Wear close-fitting clothing and safety equipment
appropriate to the job.
You need:
- A hard hat;
- Safety shoes;
- Safety glasses or face shield;
- Heavy gloves;
- Ear protection;
- Reflective clothing;
- Waterproof clothing;
- Respirator or filter mask;
Be sure to correctly wear equipment and clothing
for the job.
- Do not take any chances.
- Avoid wearing loose clothing, jewellery, or other
items that can catch on control levers or other
parts of the machine.
• Operating equipment safely requires the full
attention of the operator. Do not wear radio or
music headphones while operating the machine.
PROTECT AGAINST NOISE
• Prolonged exposure to loud noise can cause
impairment or loss of hearing.
- Wear a suitable hearing protection such as
earmuffs or earplugs to protect objectionable or
uncomfortably loud noise.
INSPECT THE MACHINE
• Inspect the machine carefully every day or work-
shift by an attentive visual inspection of machine
outside prior to starting it to prevent damages and
personal injuries.

New holland kobelco e265 b crawler excavator service repair manual

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