BEARING 4J8006 - Caterpillar

Note: The setting of the front housing is only necessary if the front housing is damaged or if the front housing must be renewed.
Table 1
Required Tools
Tool Part Number Part Description Qty
A 330-7396 Dial Indicator
graduated in 0.01 mm (0.0004 inch)
Extension that is 20 mm (0.787 inch)long 1
B 330-7397 Dial holder 1
C 330-7398 Adapter for the cylinder block 1
D 330-7399 Calibration spring 1
E 8C-4982 Allen head screw (M4 x 20 mm x 0.70) 1
F 9U-7400 Multitach Tool Gp 1 Record the Governor Settings
The engine must be in running condition in order to carry out the governor adjustment procedure. If the engine cannot be returned to a running condition contact an authorized Caterpillar Dealer.
If a Boost Compensation Device is installed on the engine, contact an authorized Caterpillar Dealer.
If the front housing has been removed, install the front housing. Refer to Disassembly and Assembly, "Housing (Front) - Install".The setting of the low idle stop screw and the high idle stop screw must be recorded. The settings are recorded in order to ensure that the governor operation is restored.Note: Engine speed must be recorded from the crankshaft.
Operate the engine until the normal operating temperature is reached.
Use Tooling (F) to record the engine rpm at low idle.
Accelerate the engine to high idle. Use Tooling (F) and record the engine rpm as "Speed A".
Illustration 1 g01494533
Typical example
Illustration 2 g01445067
Remove tamper proof caps (1).
Record Protrusion (X) of the high idle stop screw (4).
Record Protrusion (Y) of the low idle stop screw (5).
Release locknut (3). Turn high idle trimmer screw (2) for four turns counterclockwise and tighten locknut (3).
Accelerate the engine to high idle. Use Tooling (F) and record the engine rpm as "Speed B". Note: The recorded "Speed B" will be lower than the recorded "Speed A" .Removal of the Old Front Housing
Illustration 3 g01490633
Remove fuel injection pump (6). Refer to Disassembly and Assembly, "Fuel Injection Pump - Remove and Install" for the correct procedure.
Remove the crankshaft pulley. Refer to Disassembly and Assembly, "Crankshaft Pulley - Remove".
Illustration 4 g01490998
Remove front housing (7). Refer to Disassembly and Assembly, "Housing (Front) - Remove" for the correct procedure.
Remove the gasket (8). Ensure that the face of the front plate is clean.
Illustration 5 g01494273
Install Tooling (E) to lever assembly (9). Tighten tooling (E) to a torque of 0.4 N m (3.540 lb in).
Illustration 6 g01494293
Remove start spring (10) and replace the start spring with Tooling (D).
Install the front housing. Refer to Disassembly and Assembly, "Housing (Front) - Install" for the correct procedure. Note: Do not install a gasket.
Install the fuel injection pump to the cylinder block. Install the original shim. Refer to Disassembly and Assembly, "Fuel Injection Pump - Remove and Install" for the correct procedure.
Illustration 7 g01494333
Install To