Caterpillar Cat 422E Backhoe Loader (Prefix DSK) Service Repair Manual (DSK00001 and up).pdf

Service Repair Manual
Models
422E Backhoe Loader

Shutdown SIS
Previous Screen
Product: BACKHOE LOADER
Model: 422E BACKHOE LOADER DSK
Configuration: 422E Backhoe Loader DSK00001-UP (MACHINE) POWERED BY C4.4 (MECH) Engine
Disassembly and Assembly
C4.4 (Mech) Engines for Caterpillar Built Machines
Media Number -KENR9210-10 Publication Date -01/12/2014 Date Updated -08/08/2018
i02763425
Flywheel - Remove
SMCS - 1156-011
Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A -
Guide Bolt
(1/2 inch - UNF by 4 inch)
2
Start By:
a. Remove the electric starting motor. Refer to Disassembly and Assembly, "Electric Starting
Motor - Remove and Install".
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
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422E Backhoe Loader DSK00001-UP (MACHINE) POWERED BY C4.4 (MECH) En...
2019/11/29
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Illustration 1 g01245126
Typical example
1. Remove two bolts from positions (X) on flywheel (1).
2. Install Tooling (A) to positions (X) on flywheel (1).
3. Attach a suitable lifting device to flywheel (1). Support the weight of the flywheel. The
weight of the flywheel is approximately 71 kg (155 lb).
4. Remove remaining bolts (2).
5. Use the lifting device in order to remove the flywheel from the engine.
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Typical example
6. Inspect flywheel (1) and ring gear (3) for wear or damage. Replace any components that are
worn or damaged.
7. To remove the flywheel ring gear, follow Steps 7.a and 7.b.
a. Place the flywheel assembly on a suitable support.
Note: Identify the orientation of the teeth on the flywheel ring gear.
b. Use a hammer and a punch in order to remove ring gear (3) from flywheel (1).
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Fri Nov 29 23:26:18 UTC+0800 2019
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Shutdown SIS
Previous Screen
i07030539
Flywheel - Install
SMCS - 1156-012
Installation Procedure
Table 1
Required Tools
A -
Guide Bolt
(1/2 inch - 20 UNF by 4 inch)
2
NOTICE
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Typical example
Always wear protective gloves when handling parts that have been
heated.
1. If the flywheel ring gear was removed, follow Steps 1.a through 1.c to install a new ring
gear to the flywheel.
a. Identify the orientation of teeth (4) on the new ring gear (4).
Note: The chamfered side of the ring gear teeth must face toward the starting motor
when the flywheel is installed. The correct orientation of the chamfered will ensure
the correct engagement of the starting motor.
b. Heat flywheel ring gear (3) in an oven to a maximum temperature of 250 °C (482 °F)
prior to installation.
Note: Do not use a torch to heat the ring gear.
c. Ensure that the orientation of ring gear (3) is correct and quickly install the ring gear
onto flywheel (1).
2. Inspect the crankshaft rear seal for leaks. If there are any oil leaks, replace the crankshaft
rear seal. Refer to Disassembly and Assembly, "Crankshaft Rear Seal - Remove" for the
correct procedure.
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Typical example
3. Install a suitable lifting device to flywheel (1). The flywheel weighs approximately 71 kg
(155 lb).
4. Install Tooling (A) to positions (X) on the crankshaft.
5. Use the lifting device to position flywheel (1) onto Tooling (A).
6. Install bolts (2) to flywheel (1) finger tight.
7. Remove Tooling (A) and install remaining bolts (2) to flywheel (1).
8. Remove the lifting device from flywheel (1).
9. Use a suitable tool to prevent the flywheel from rotating. Tighten bolts (2) to a torque of
140 N·m (103 lb ft).
10. Check the run out of the flywheel. Refer to System Operation, Test, and Adjusting,
"Flywheel - Inspect" for further information.
End By:
a. Install the electric starting motor. Refer to Disassembly and Assembly, "Electric Starting
Motor - Remove and Install".
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Shutdown SIS
Previous Screen
i02763427
Crankshaft Rear Seal - Remove
SMCS - 1161-011
Removal Procedure
Table 1
Required Tools
A 227-4390 E12 Torx Socket 1
Start By:
a. Remove the flywheel. Refer to Disassembly and Assembly, "Flywheel - Remove".
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.
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Dispose of all fluids according to local regulations and mandates.
Note: The crankshaft rear seal and the housing are manufactured as a one-piece assembly. The
assembly is not serviceable. If the crankshaft rear seal is removed, the assembly must be replaced.
Typical example
1. Use Tooling (A) in order to remove torx screws (1) from crankshaft rear seal (2).
2. Remove crankshaft rear seal (2) from the cylinder block. Discard the crankshaft rear seal.
Fri Nov 29 23:28:09 UTC+0800 2019
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Shutdown SIS
Previous Screen
i02763428
Crankshaft Rear Seal - Install
SMCS - 1161-012
Table 1
Required Tools
A 227-4390 E12 Torx Socket 1
B FT-2806 Alignment Tool 1
Note: The crankshaft rear seal and the housing are manufactured as a one-piece assembly.
NOTICE
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Typical example
1. Ensure that crankshaft flange (1) is clean, dry and free from damage.
2. Ensure that the face of the cylinder block and the bridge piece are clean and dry.
3. A new crankshaft rear seal is supplied with a plastic sleeve (3). Ensure that the plastic
sleeve is squarely installed within crankshaft rear seal (2).
Note: The plastic sleeve is included in order to protect the lip of the seal as the seal is
pushed over the crankshaft flange.
Note: Do not lubricate the crankshaft rear seal or the crankshaft flange. The
crankshaft rear seal must be installed dry.
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4. Align plastic sleeve (3) with crankshaft flange (1). Ensure that the plastic sleeve is engaged
onto the crankshaft flange. Push new crankshaft rear seal (2) squarely onto the crankshaft
flange.
During this process, the plastic sleeve will be forced out of the crankshaft rear seal. Discard
the plastic sleeve.
5. Align the two molded locators on crankshaft rear seal (2) with the holes in the cylinder
block. Ensure that the crankshaft rear seal is seated against the cylinder block.
Tightening sequence for the crankshaft rear seal
6. Install torx screws (4) finger tight.
Note: Do not install torx screws to positions (X) at this stage.
7. Install Tooling (B) to crankshaft rear seal (2) and to crankshaft flange (1).
8. Use Tooling (A) in order to tighten torx screws (4) to a torque of 22 N·m (16 lb ft). Tighten
torx screws (4) in the sequence that is shown in Illustration 3.
9. Remove Tooling (B).
10. Install remaining torx screws (4) to positions (X). Use Tooling (A) in order to tighten the
torx screws to a torque of 22 N·m (16 lb ft). Refer to Illustration 3.
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End By:
a. Install the flywheel. Refer to Disassembly and Assembly, "Flywheel - Install".
Fri Nov 29 23:29:05 UTC+0800 2019
4/4
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Shutdown SIS
Previous Screen
i02763429
Flywheel Housing - Remove and Install
SMCS - 1157-010
Removal Procedure
Start By:
a. Remove the flywheel. Refer to Disassembly and Assembly, "Flywheel - Remove".
NOTICE
1. Install a suitable lifting device to the flywheel housing in order to support the flywheel
housing. The flywheel housing weighs approximately 30 kg (66 lb).
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Typical example
2. Remove bolts (2) and bolts (3) from flywheel housing (1).
3. Use the lifting device in order to remove flywheel housing (1) from the cylinder block.
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Typical example
4. If the engine has an aluminum oil pan, remove dust seal (5).
5. If necessary, remove dowels (4) from the cylinder block.
Table 1
Required Tools
A -
Guide Stud
(M10 by 100 mm)
2
B 8T-5096 Dial Indicator Gp 1
NOTICE
1. Ensure that the flywheel housing is clean and free from damage. If necessary, replace the
flywheel housing.
Typical example
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2. Inspect crankshaft rear seal (6) for leaks. If there are any oil leaks, replace the crankshaft
rear seal. Refer to Disassembly and Assembly, "Crankshaft Rear Seal - Remove" and refer
to Disassembly and Assembly, "Crankshaft Rear Seal - Install".
3. Clean the rear face of the cylinder block. If necessary, install dowels (4) to the cylinder
block.
4. Install Tooling (A) to the cylinder block.
5. Install dust seal (5).
Typical example
6. Install a suitable lifting device to the flywheel housing. The flywheel housing weighs
approximately 30 kg (66 lb).
7. Use the lifting device to align flywheel housing (1) with Tooling (A). Install the flywheel
housing to the cylinder block.
8. Install bolts (2) and bolts (3) finger tight.
9. Remove Tooling (A). Install remaining bolts (3).
10. Tighten bolts (3) to a torque of 63 N·m (46 lb ft).
11. Tighten bolts (2) to a torque of 75 N·m (55 lb ft).
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12. Use Tooling (B) to check the alignment of the flywheel housing with the crankshaft. Refer
to Systems Operation, Testing and Adjusting, "Flywheel Housing - Inspect".
End By:
a. Install the flywheel. Refer to Disassembly and Assembly, "Flywheel - Install".
Fri Nov 29 23:30:01 UTC+0800 2019
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2019/11/29

Caterpillar Cat 422E Backhoe Loader (Prefix DSK) Service Repair Manual (DSK00001 and up).pdf

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