Caterpillar Cat 365C L Excavator (Prefix MCY) Service Repair Manual (MCY00001 and up).pdf

Service Repair Manual
Models
365C L Excavator

Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 365C L EXCAVATOR MCY
Configuration: 365C L Excavator MCY00001-UP (MACHINE) POWERED BY C-15 Engine
Disassembly and Assembly
365C Excavator Machine Systems
Media Number -RENR8616-03 Publication Date -01/08/2012 Date Updated -24/08/2012
i07188314
Final Drive - Assemble
SMCS - 4050-016
Assembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1P-2420 Transmission Repair Stand 1
B 439-3941 Link Bracket 3
C 439-3940 Link Bracket 2
D
385-7874 Hydraulic Torque Wrench 1
385-8479 Hydraulic Pump and Motor Gp 1
9U-7418 Hex Bit Socket 1
F 6V-3175 Double Acting Cylinder 1
350-7768 Electric Hydraulic Pump Gp 1
150-1784 Crossblock 1
1U-9889 Crossblock 1
150-1961 Washer 2
150-1786 Plate 2
4C-9634 Puller Stud 1
9U-6832 Nut 1
2K-7468 Locknut 1
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4K-0684 Locknut 2
6V-2078 Stud 2
5P-4807 Cap 2
H 140-7642 Duo-Cone Seal Installer As 1
J - Loctite 1
K 9S-3263 Thread Lock Compound 1
L - Loctite 1
1. Make sure that all parts of the final drive are thoroughly clean and free of dirt and debris
prior to assembly.
Note: Check the condition of all the O-ring seals that are used in the final drive. If any of
the seals are worn or damaged, use new parts for replacement.
2. Reassemble the final drive on wood blocks and Tooling (A).
Illustration 1 g00875656
3. Apply Tooling (J) to the surfaces that contact the bearing cones. Install the bearing cone
with a press. Raise the temperature of bearing cone (51) and install the bearing cone.
4. Apply Tooling (J) to the surfaces that contact pins (50) and install contact pins (50).
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5. Apply Tooling (J) to the surfaces that contact the bearing cups. Install bearing cups (48) and
(49).
6. Attach Tooling (C) and a suitable lifting device to main housing (45). Install main housing
(45) on motor housing (39). The weight of main housing (45) is approximately 191 kg
(420 lb).
7. Install bearing cone (46) and the bearing cone.
8. Use the following procedure to determine the bearing preload and the correct number of
shims.
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a. Use a depth micrometer to measure the step length of the coupling gear (42). Take
measurements at several different locations around the gear. Compute the average of
the measured dimensions and record the number. Call this Dimension (X).
b. Use Tooling (F) to apply a load of 10700 kPa (1550 psi) to seat the bearings. A
pressure of 10700 kPa (1550 psi) is the equivalent of 10000 kg (22050 lb) on a
suitable press. Rotate the housing to seat the bearing. Reduce the load to 4825 kPa
(700 psi).
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c. Rotate Tooling (F) by 90° and repeat Step 8.b.
d. Maintain the load on the bearings. Use a depth micrometer and measure the distance
between the top face of motor housing and the bearing cone. Take this measurement
in several locations around the bearing. Compute the average of the measured
dimensions and record the number. Call this Dimension (Y).
e. Determine the correct thickness of the shim pack that will be installed between the
bearing cone and the coupling gear. The shim pack thickness is equal to Dimension
(X) minus Dimension (Y). Tolerance for the shim pack is 0.10 mm (0.003 inch).
Note: If two shims are required, install the thinner shim next to the coupling gear
when the coupling gear is installed.
9. Use Tooling (C) and a suitable lifting device to remove the main housing from the motor
housing. The weight of the main housing is approximately 191 kg (420 lb).
Note: Refer to Disassembly and Assembly, "Duo-Cone Conventional Seals - Install"
.
Note: The rubber seals and all surfaces that contact the seals must be clean and dry. After
installation of the seals, apply clean oil on the contact surfaces of the metal seals.
10. Use Tooling (H) to install Duo-Cone seal (47) in the main housing.
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11. Use Tooling (H) to install Duo-Cone seal (52) in the motor housing.
Note: Make sure that the Duo-Cone seals are not scratched or damaged during the assembly
of the main housing or during the assembly of the motor housing. After installation of the
main housing on the motor housing, there will be a small gap between the components. The
gap is caused by the Duo-Cone seals. The gap will be eliminated during installation of the
gear.
12. Use Tooling (C) and a suitable lifting device to position main housing (45) on motor
housing (39). Make sure that the Duo-Cone seals are not scratched or damaged during
installation. The weight of the main housing is approximately 191 kg (420 lb).
13. Install bearing cone (46).
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Typical Example
14. Place shims (43) in the correct position on the motor housing. If two shims were required,
put the thinner shim in contact with coupling gear (42). Make sure that all the holes in the
components are in alignment with each other. Put coupling gear (42) in the original position
on the motor housing.
15. Apply Tooling (K) on the threads of bolts (41). Install the bolts to secure coupling gear (42)
in place. Tighten bolts (41) evenly in a crisscross pattern to a torque of 1800 ± 200 N·m
(1327 ± 148 lb ft).
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16. Install O-ring seal (40) in the main housing.
17. Use Tooling (C) and a suitable lifting device to position housings (39) and (45) on Tooling
(A). The combined weight of housings (39) and (45) is approximately 363 kg (800 lb).
18. Install bolts (44) to secure the housings to Tooling (A).
19. Remove the suitable cribbing.
20. Thoroughly clean the mating surface of main housing (39) that contacts ring gear (38).
Apply a bead of Tooling (L) on the mating surface of ring gear (38). Use Tooling (C) and a
suitable lifting device to place ring gear (38) in position on main housing (39). Make sure
that the alignment mark on main housing (39) and ring gear (38) line up with each other. It
may be necessary to use a suitable hammer to seat ring gear (38) on main housing (39).
21. Assemble the carrier assembly, as follows:
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a. Apply clean oil on bearings (34) and (36). Install bearings (34) and (36) in planetary
gear (35).
b. Install thrust washers (33) and (37) on each side of planetary gear (35).
c. Install planetary gear (35) and thrust washers (33) in carrier assembly (28).
d. Install planetary shaft (32) in carrier assembly (28) and through planetary gear
assembly (30). Make sure that the spring pin hole in planetary shaft (32) is in
alignment with the spring pin hole in carrier assembly (28).
e. Install spring pin (31) in carrier assembly (28) and into planetary shaft (32). Make
sure that the spring pin hole in planetary shaft (32) is in alignment with the spring pin
hole in carrier assembly (28).
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f. Orient the split in spring pin (31) horizontally to the carrier. Align the split in the
spring pin to the left or to the right. Make a stake mark on each side of the spring pin
hole in the carrier. This will prevent the spring pin from falling out of the spring pin
hole. Each stake mark should be approximately 1.5 to 3.00 mm
(0.06 to 0.118 inch)from the outside diameter of the spring pin hole.
g. Repeat Steps 21.a through 21.f to install the other three planetary gears in carrier
assembly (28).
22. Use Tooling (C) and a suitable lifting device to install carrier assembly (28) in the ring gear.
The weight of carrier assembly (28) is approximately 125 kg (275 lb).
23. Install spacer (29).
24. Assemble the carrier assembly, as follows:
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365C L Excavator MCY00001-UP (MACHINE) POWERED BY C-15 Engine(SEB...
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a. Apply clean oil on bearing (26). Install bearing (26) in planetary gear (25).
b. Install thrust washers (27) on each side of planetary gear (25).
c. Install thrust washers (27) and planetary gear (25) in the carrier assembly.
d. Install planetary shaft (24) in the carrier assembly and through planetary gear
assembly (23). Make sure that the spring pin hole in planetary shaft (24) is in
alignment with the spring pin hole in the carrier.
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e. Orient the split in the spring pin (22) horizontally to the carrier. Align the split in the
spring pin to the left or to the right. Make a stake mark on each side of the spring pin
hole in the carrier. This will prevent the spring pin from falling out of the spring pin
hole. Each stake mark should be approximately 1.5 to 3.00 mm (0.06 to 0.118 inch)
from the outside diameter of the spring pin hole.
f. Repeat Steps 24.a through 24.e to install the other two planetary gears in the carrier
assembly.
25. Install gear assembly (21), spacer (20), and retaining ring (19).
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26. Use Tooling (B) and a suitable lifting device to install carrier assembly (18). The weight of
carrier assembly (18) is approximately 68 kg (150 lb).
27. Apply clean oil on bearing (16). Install washers (15) and bearing (16) in gear (17).
28. Install gear assembly (12) and shaft (14). Drive spring pin (13) into shaft (14).
29. Repeat Steps 27 and 28 for the remaining gear assemblies.
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30. Install sun gear (11), spacer (10), and retaining ring (9).
31. Use Tooling (B) and a suitable lifting device to install carrier assembly (8). The weight of
carrier assembly (8) is approximately 30 kg (55 lb).
32. Install sun gear (7).
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33. Install the shims and spacer (4) in the cover.
34. Install ring gear (6) and socket head bolts (5) in the cover.
35. Use Tooling (C) and a suitable lifting device to position cover (2). Install bolts (3). The
weight of cover (2) is approximately 66 kg (145 lb).
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36. Remove the final drive from Tooling (A). The weight of the final drive is approximately
817 kg (1800 lb).
End By:
a. Install the final drive. Refer to Disassembly and Assembly, "Final Drive - Install"
.
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All Rights Reserved.
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Sat Dec 5 01:37:15 UTC+0800 2020
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Shutdown SIS
Previous Screen
Product: EXCAVATOR
i02388152
Final Drive - Install
SMCS - 4050-012
Installation Procedure
Table 1
Required Tools
A
132-8223 Power Pack 1
132-8119 Hydraulic Torque Wrench Assembly 1
B 9S-3263 Thread Lock Compound 1
Note: The procedure to install the right hand final drive and the procedure to install the left hand
final drive is identical. The procedure that follows is for one of the final drives.
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1. Use a suitable lifting device to install final drive (1). The weight of the final drive is
approximately 817 kg (1800 lb).
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Note: Make sure that mounting holes (Z) for the travel motor are aligned. This is necessary
for the correct installation of the travel motor.
2. Apply Tooling (B) to bolts (2). Install bolts (2). Use Tooling (A) in order to tighten bolts (2)
to a torque of 1800 ± 200 N·m (1328 ± 148 lb ft).
End By:
a. Install the travel motor. Refer to Disassembly and Assembly, "Travel Motor - Install".
b. Install the final drive sprocket. Refer to Disassembly and Assembly, "Final Drive Sprocket -
Remove and Install".
Sat Dec 5 01:38:12 UTC+0800 2020
3/3
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Shutdown SIS
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Product: EXCAVATOR
i02380916
Swivel - Remove
SMCS - 5060-011
Removal Procedure
Table 1
Required Tools
A 1P-1855 Retaining Ring Pliers 1
B 138-7575 Link Bracket 2
Note: Cleanliness is an important factor. Before the disassembly procedure, the exterior of the
component should be thoroughly cleaned. This will help to prevent dirt from entering the internal
mechanism.
NOTICE
Care must be taken to ensure that fluids are contained during
performance of inspection, maintenance, testing, adjusting and repair
of the product. Be prepared to collect the fluid with suitable containers
before opening any compartment or disassembling any component
containing fluids.
Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop
Products Guide" for tools and supplies suitable to collect and contain
fluids on Caterpillar products.
Dispose of all fluids according to local regulations and mandates.
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Personal injury can result from hydraulic oil pressure and hot oil.
Hydraulic oil pressure can remain in the hydraulic system after the
engine has been stopped. Serious injury can be caused if this pressure is
not released before any service is done on the hydraulic system.
Make sure all of the work tools have been lowered to the ground, and
the oil is cool before removing any components or lines. Remove the oil
filler cap only when the engine is stopped, and the filler cap is cool
enough to touch with your bare hand.
Note: Put identification marks on all lines, on all hoses, on all wires, and on all tubes for
installation purposes. Plug all lines, hoses, and tubes. This helps to prevent fluid loss and this
helps to keep contaminants from entering the system.
1. Disconnect hose assemblies (1), (2), (3), and (4) .
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2. Use Tooling (A) in order to remove retaining rings (6) .
3. Remove support (5) .
4. Use two people in order to remove bolts (7) and covers (8) .
5. Disconnect hose assemblies (9), (12), and (13) .
6. Remove fittings (10) .
7. Remove bolts (11) .
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8. Remove bolts (14) and retainer (15) .
9. Attach Tooling (B) and a suitable lifting device to swivel (16). The weight of swivel (16) is
approximately 125 kg (275 lb).
10. Use the suitable lifting device in order to remove swivel (16) .
Sat Dec 5 01:39:10 UTC+0800 2020
4/4
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Shutdown SIS
Previous Screen
Product: EXCAVATOR
i02388639
Swivel - Disassemble
SMCS - 5060-015
Disassembly Procedure
Table 1
Required Tools
A 1P-2420 Transmission Repair Stand 1
B
6V-3822 Bolt 2
1P-5546 Crossblock 1
5P-4168 Step Plate 1
5F-7366 Screw 1
Start By:
A. Remove the swivel. Refer to Disassembly and Assembly, "Swivel - Remove".
NOTICE
Care must be taken to ensure that fluids are contained during
performance of inspection, maintenance, testing, adjusting and repair
of the product. Be prepared to collect the fluid with suitable containers
before opening any compartment or disassembling any component
containing fluids.
1/3
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Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop
Products Guide" for tools and supplies suitable to collect and contain
fluids on Caterpillar products.
Dispose of all fluids according to local regulations and mandates.
Note: Cleanliness is an important factor. Before the disassembly procedure, the exterior of the
component should be thoroughly cleaned. This will help to prevent dirt from entering the internal
mechanism.
1. Install the swivel on Tooling (A), as shown.
2. Remove bolts (1) and cover (2) from outside housing (8) .
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Caterpillar Cat 365C L Excavator (Prefix MCY) Service Repair Manual (MCY00001 and up).pdf

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