Caterpillar Cat 432D BACKHOE LOADER (Prefix TDR) Service Repair Manual Instant Download.pdf

Service Repair Manual
Model
432D BACKHOE LOADER

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Product: BACKHOE LOADER
Model: 432D BACKHOE LOADER TDR
Configuration: 432D Backhoe Loader TDR00001-UP (MACHINE) POWERED BY 3054C Engine
Disassembly and Assembly
3054C Engines for Caterpillar Built Machines
Media Number -SENR5069-18 Publication Date -01/05/2015 Date Updated -19/09/2018
i02296699
Rocker Shaft and Pushrod - Remove
SMCS - 1102-011; 1208-011
Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 6K-0806 Cable Strap 3
Start By:
a. Remove the valve mechanism cover. Refer to Disassembly and Assembly, "Valve
Mechanism Cover - Remove and Install".
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
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432D Backhoe Loader TDR00001-UP (MACHINE) POWERED BY 3054C Engine(S...
2019/9/19
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Illustration 1 g00960222
1. If the rocker shaft will not be disassembled, install the Tooling (A) around the rocker arms
(4) in order to slightly compress the springs (5). The rocker arms must be held away from
the machined faces of the cylinder head (2) during installation.
2. Remove the Torx screws (1) from the rocker shaft (3).
3. Remove the rocker shaft assembly from the cylinder head.
4. Remove the pushrods (6) from the cylinder head. Place an identification mark on each of the
pushrods for installation.
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i02298103
Rocker Shaft - Disassemble
SMCS - 1102-015
Disassembly Procedure
Table 1
Required Tools
A 1P-1855 Retaining Ring Pliers 1
Start By:
a. Remove the rocker shaft assembly. Refer to Disassembly and Assembly, "Rocker Shaft and
Pushrod - Remove".
Personal injury can result from being struck by parts propelled by a
released spring force.
Make sure to wear all necessary protective equipment.
Follow the recommended procedure and use all recommended tooling to
release the spring force.
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1. Remove the retaining ring (1) and remove the washer (2) from both ends of the rocker shaft
assembly.
Note: The rocker shaft (7) is not symmetrical as there is a machined flat (6) toward one end
of the shaft.
2. Place an identification mark on each of the components for installation. Ensure that you
note the component's relationship to the machined flat (6).
3. Remove the rocker arm assembly (3) for the inlet valve from the rocker shaft (7). Remove
the rocker arm assembly (4) for the exhaust valve from the rocker shaft (7).
4. Remove the spring (5) from the rocker shaft assembly.
5. Repeat Step 3 and Step 4 in order to completely disassemble the rocker shaft assembly.
Thu Sep 19 19:41:58 UTC+0800 2019
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i02298104
Rocker Shaft - Assemble
SMCS - 1102-016
Assembly Procedure
Table 1
Required Tools
A 1P-1855 Retaining Ring Pliers 1
Typical example
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1. Clean all of the components and inspect all of the components. Inspect the grooves for the
circlips (1) and ensure that all of the oil holes in the rocker shaft (7) and in the rocker arms
(3 and 4) are not plugged before you begin the assembly procedure. If necessary, replace
any worn components and any damaged components.
2. Check the clearance between the rocker shaft (7) and the bushing of every rocker arm (3 and
4). Refer to the Specifications Manual, "Rocker Shaft" or further information. If necessary,
replace any worn components.
3. Lubricate all of the components with clean engine oil before assembly.
Note: Ensure that the machined flat (6) on the rocker shaft (7) is facing upward.
4. Install a circlip (1) onto the end of the rocker shaft (7) that is closest to the machined flat
(6). Install a washer (2) onto the rocker shaft (7).
5. Install the rocker arm assembly (3) for the inlet valve onto the rocker shaft (7). Install the
rocker arm assembly (4) for the exhaust valve onto the rocker shaft (7).
6. Install the spring (5) onto the rocker shaft (7).
7. Repeat Step 5 and Step 6 in order to assemble the rocker shaft assembly.
Improper assembly of parts that are spring loaded can cause bodily
injury.
To prevent possible injury, follow the established assembly procedure
and wear protective equipment.
8. Install the remaining washer (2) and the remaining circlip (1) onto the rocker shaft (7).
Thu Sep 19 19:42:53 UTC+0800 2019
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i02298106
Rocker Shaft and Pushrod - Install
SMCS - 1102-012; 1208-012
Installation Procedure
Table 1
Required Tools
A 6K-0806 Cable Strap 3
NOTICE
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1. Apply clean engine lubricating oil to both ends of the pushrods (6). Install the pushrods (6).
Note: Ensure that the pushrods are installed in the original location and that the pushrods
are seated in the valve lifters correctly.
2. If the rocker shaft was disassembled, install the Tooling (A) around the rocker arms (4) in
order to slightly compress spring (5). The rocker arms must be held away from the
machined face of the cylinder head (2) during reassembly.
3. Loosen the nut (8) and the adjustment screw (7) on each rocker arm. This will help prevent
a bent valve or a bent pushrod during the installation of the rocker shaft.
4. Position the rocker shaft assembly on the cylinder head.
Note: The rocker shaft (3) of the rocker shaft assembly is not symmetrical. The rocker shaft
(3) has a machined flat at the front end of the shaft. Ensure that the machined flat is toward
the top and toward the front end of the engine.
5. Install the Torx screws (1) in the rocker shaft (3).
Note: The longest Torx screw must be installed at the front of the cylinder head in the hole
(X).
6. Ensure that the adjustment screws (7) are properly seated in the ends of the pushrods (6).
7. Alternately tighten the Torx screws (1). Start from the center and work toward the outside.
Tighten the Torx screws (1) to a torque of 35 N·m (26 lb ft).
8. Cut and remove the Tooling (A) from the rocker shaft assembly.
9. Adjust the inlet valve lash to 0.20 mm (0.008 inch) and adjust the exhaust valve lash to
0.45 mm (0.018 inch). Refer to Testing and Adjusting, "Engine Valve Lash -
Inspect/Adjust" for more information on adjusting the valve lash.
End By:
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a. Install the valve mechanism cover. Refer to Disassembly and Assembly, "Valve Mechanism
Cover - Remove and Install".
Thu Sep 19 19:43:49 UTC+0800 2019
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i02298184
Cylinder Head - Remove
SMCS - 1100-011
Removal Procedure
Start By:
a. Drain the coolant from the engine oil cooler into a suitable container for storage or disposal.
Drain the engine oil from the engine oil cooler into a suitable container. Refer to Operation
and Maintenance Manual for the procedure on draining the engine coolant and the engine
oil.
b. Remove the hose from the air filter to the integral air inlet. Refer to the OEM information
for further details.
c. Remove the fuel priming pump. Refer to this Disassembly and Assembly Manual, "Fuel
Priming Pump and Fuel Filter Base - Remove and Install".
d. Remove the pipe for the boost control.
e. Remove the fuel injectors. Refer to this Disassembly and Assembly Manual, "Fuel Injection
Nozzles - Remove".
f. Remove the exhaust manifold. Refer to Disassembly and Assembly, "Exhaust Manifold -
Remove and Install".
g. Remove the rocker shaft assembly and the pushrods. Refer to Disassembly and Assembly,
"Rocker Shaft and Pushrod - Remove".
h. Remove the glow plugs. Refer to this Disassembly and Assembly Manual, "Glow Plugs -
NOTICE
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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, "Dealer Service Tool
Catalog" for tools and supplies suitable to collect and contain fluids on
Cat products.
Dispose of all fluids according to local regulations and mandates.
Note: Refer to Operation and Maintenance Manual, "Refill Capacities" for the coolant capacity
and the engine oil capacity of the engine.
1. Remove the setscrew (1) and the fuel line from the cylinder head.
2. Disconnect the harness assembly (4) from the coolant temperature sensor.
3. Disconnect tube assembly (5) from the cylinder head.
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4. Remove the setscrews (6). Remove the bypass tube (7) from the cylinder head. Remove the
O-ring seals from the bypass tube. Discard the O-ring seals.
5. Gradually loosen the setscrews (8) in reverse numerical order. Refer to Illustration 3. This
will help prevent distortion of the cylinder head.
6. Remove the setscrews (8) from the cylinder head (9).
7. Use a suitable lifting device and carefully lift the cylinder head off the cylinder block. The
weight of the cylinder head is approximately 57 kg (126 lb).
Note: Take care not to damage the machined surfaces of the cylinder head (9) during
removal.
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Note: Do not use a lever to separate the cylinder head from the cylinder block.
NOTICE
Place the cylinder head on a surface that will not scratch the face of the
cylinder head.
8. Remove the cylinder head gasket. Discard the cylinder head gasket.
Note: Note the location of the dowels on the cylinder block.
Thu Sep 19 19:44:45 UTC+0800 2019
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i02298802
Cylinder Head - Install
SMCS - 1100-012
Table 1
Required Tools
A 9U-6238 Guide Bolt 2
B 8T-3052 Degree Wheel 1
C - Red Rubber Grease -
NOTICE
Note: Thoroughly clean the top of the cylinder block and the bottom of the cylinder head. Ensure
that there is no debris in the cylinder bores, the coolant passages, and the lubricant passages.
Note: Thoroughly clean the hole in the cylinder head for the gas that is ventilated from the
crankcase. Ensure that the hole is not restricted by debris and/or oil deposits.
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1. Install the cylinder head gasket on the dowels (10) on top of the cylinder block.
Note: Do not use any sealant or compound on the cylinder head gasket.
2. Install the Tooling (A) in the cylinder block.
3. Use a suitable lifting device to install the cylinder head. The weight of the cylinder head is
approximately 57 kg (126 lb).
Note: Ensure that the cylinder head is positioned on dowels (10). Take care not to damage
the machined surfaces of the cylinder head during installation.
4. Remove the Tooling (A).
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5. Clean the threads of the setscrews that secure the cylinder head. Inspect the threads of the
setscrews that secure the cylinder head.
Note: Do not use the setscrews if there is any visual reduction in the diameter of the threads
(Y) that has not been engaged with the cylinder block. Use a straight edge to check the
bolts.
6. Apply clean engine oil to the threads and the shoulder of the setscrews that secure the
cylinder head before installation.
7. Install the setscrews (8) in cylinder head (9).
Note: The short setscrews are installed in holes that are marked 2, 5, 6, 7, 8, 9, and 10.
Note: The long setscrews are installed in holes that are marked 1, 3, and 4.
8. Tighten the setscrews in numerical order to a torque of 50 N·m (37 lb ft). Refer to
Illustration 3.
9. Tighten the setscrews in numerical order to a torque of 100 N·m (74 lb ft). Refer to
Illustration 3.
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10. Use the Tooling (B) to achieve the correct final torque.
Note: If the Tooling (B) is not available, place an index mark on each setscrew.
11. Tighten the setscrews in numerical order. Refer to Illustration 3.
a. Turn the short setscrews (2, 5, 6, 7, 8, 9, and 10) for an additional 225 degrees.
b. Turn the long setscrews (1, 3, and 4) for an additional 270 degrees.
12. Install new O-ring seals on the bypass tube (7). Apply Tooling (C) to the O-ring seals.
Install the bypass tube in the cylinder head. Install the setscrews (6).
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13. Connect the tube assembly (5) to the cylinder head.
14. Connect the harness assembly (4) to the coolant temperature sensor.
15. Install bolt (1) and the fuel line to the cylinder head.
16. Fill the cooling system with coolant. Fill the lubrication system with engine oil.
Note: Refer to Operation and Maintenance Manual, "Refill Capacities" for the cooling
system capacity and the lubrication system capacity of the engine.
End By:
a. Install the glow plugs. Refer to Disassembly and Assembly Manual, "Glow Plugs - Remove
and Install".
b. Install the rocker shaft and the pushrods. Refer to Disassembly and Assembly, "Rocker
Shaft and Pushrod - Install".
c. Install the exhaust manifold. Refer to Disassembly and Assembly, "Exhaust Manifold -
d. Install the fuel injection Nozzles. Refer to Disassembly and Assembly Manual, "Fuel
Injection Nozzles - Install".
e. Install the pipe for the boost control.
f. Install the fuel priming pump. Refer to Disassembly and Assembly Manual, "Fuel Priming
Pump and Fuel Filter Base - Remove and Install".
g. Install the hose from the integral air inlet to the air filter. Refer to the OEM information for
further details.
h. Refill the engine with coolant and engine oil. Refer to the Operation and Maintenance
Manual for the correct procedure, the quantities, the coolant specification, and the
specification for the engine oil.
Thu Sep 19 19:45:41 UTC+0800 2019
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6/6
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i02333592
Lifter Group - Remove and Install
SMCS - 1209-010
Removal Procedure
Table 1
Required Tools
A 1U-7262 Telescoping Magnet 1
Start By:
a. Remove the camshaft. Refer to Disassembly and Assembly, "Camshaft - Remove and
Install".
NOTICE
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1. Use Tooling (A) to remove lifters (1).
Note: Place an identification mark on the lifters for installation purposes.
Table 2
Required Tools
A 1U-7262 Telescoping Magnet 1
NOTICE
1. Lubricate the lifters with clean oil before installing the lifters in the cylinder block.
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2. Use Tooling (A) to install lifters (1).
Note: Ensure that the lifters are installed in the original location and that the lifters are
seated correctly.
End By:
a. Install the camshaft. Refer to Disassembly and Assembly, "Camshaft - Remove and Install".
Thu Sep 19 19:46:36 UTC+0800 2019
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i02299051
Camshaft - Remove and Install
SMCS - 1210-010
Removal Procedure
Start By:
a. Remove the rocker shaft assembly and the pushrods. Refer to Disassembly and Assembly,
"Rocker Shaft and Pushrod - Remove".
b. Remove the front housing. Refer to Disassembly and Assembly, "Housing (Front) -
Remove".
NOTICE
1. Turn the engine upside-down so the valve lifters are held in a position away from the
camshaft.
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NOTICE
Do not damage the lobes or the bearings when the camshaft is removed
or installed.
2. Carefully remove camshaft (3) from the cylinder block.
NOTICE
Note: Ensure that the camshaft is clean. Lubricate the camshaft with clean engine oil prior
to installation.
NOTICE
Do not damage the lobes or the bearings when the camshaft is removed
or installed.
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1. Carefully install camshaft (3) in the cylinder block.
End By:
a. Install the front housing. Refer to Disassembly and Assembly, "Housing (Front) - Install".
b. Install the rocker shaft and the pushrods. Refer to Disassembly and Assembly, "Rocker
Shaft and Pushrod - Install".
Thu Sep 19 19:47:32 UTC+0800 2019
3/3
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i02299758
Camshaft Bearings - Remove and Install
SMCS - 1211-010
Removal Procedure
Table 1
Required Tools
A
8S-2241 Camshaft Bearing Tool Group 1
8H-0684 Ratchet Wrench 1
Start By:
a. Remove the camshaft. Refer to Disassembly and Assembly, "Camshaft - Remove and
Install".
NOTICE
1/3
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1. Use the Tooling (A) in order to remove the camshaft bearing (1) from the cylinder block.
Table 2
Required Tools
A
8S-2241 Camshaft Bearing Tool Group 1
8H-0684 Ratchet Wrench 1
NOTICE
2/3
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1. Use the Tooling (A) in order to install the camshaft bearing (1) into the bore in the cylinder
block.
Note: Align the oil hole in camshaft bearing (1) with the oil hole in the bore in the cylinder
block.
Note: The camshaft bearing must be inserted until the front edge of the bearing is flush with
the face of the recess in the cylinder block.
End By:
a. Install the camshaft. Refer to Disassembly and Assembly, "Camshaft - Remove and Install".
Thu Sep 19 19:48:28 UTC+0800 2019
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2019/9/19

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i05003149
Engine Oil Pan - Remove and Install
SMCS - 1302-010
Removal Procedure
NOTICE
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, "Dealer Service Tool
Catalog" for tools and supplies suitable to collect and contain fluids on
Cat products.
Dispose of all fluids according to local regulations and mandates.
1/5
2019/9/19

Caterpillar Cat 432D BACKHOE LOADER (Prefix TDR) Service Repair Manual Instant Download.pdf

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