SENSOR GP 2661471 - Caterpillar

Removal Procedure of Type C Wet Back-End Housing
Table 1
Required Tools
Tool Part Number Part Description Qty
A - Guide Studs M12 by 100 mm 2 Start By:
Remove the flywheel. Refer to Disassembly and Assembly, "Flywheel - Remove" for the correct procedure.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Note: The wet back-end flywheel housing may be installed on standard engines. When installing a wet back-end flywheel housing, to a standard engine a seal will not be installed to the flywheel housing.
There are five types of flywheel housing that can be installed on the engine. The removal procedures for all types of flywheel housing are similar but all the installation procedures are different.Ensure that you use the correct procedure and the correct grades of bolts for your application.
Illustration 1 g03739859
Type C Wet Back-End Housing
Illustration 2 g06058063
Type C Wet Back-End Housing
Remove bolts (4) from Positions (X) in flywheel housing (3).
Install Tooling (A) into Positions (X) to flywheel housing (3).
Install a suitable lifting device onto flywheel housing (3) to support the flywheel housing. The weight of the flywheel housing is approximately 40 kg (88 lb).
Remove remaining bolts (4) from flywheel housing (3).
Remove bolts (1) and bolts (2) from flywheel housing (3).
Use the lifting device to remove flywheel housing (3) from the cylinder block.
Illustration 3 g03743022
Typical example
Illustration 4 g03743021
Typical example
Remove dust seal (6).
If equipped, remove gasket (7).
If necessary, remove dowels (5) from the cylinder block.
If equipped, remove oil seal (8) from flywheel housing (3).Installation Procedure of Type C Wet Back-End Housing
Table 2
Required Tools
Tool Part Number Part Description Qty
A - Guide Studs M12 by 100 mm 2
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Ensure that the flywheel housing is clean and free from damage. If necessary, replace the flywheel housing.Ensure that the crankshaft palm is free from oil and grease.
Illustration 5 g03743021
Typical example
Illustration 6 g06058494
Positions for Tooling (A).
Install a new oil seal (8) to flywheel housing (3).Note: Press the oil seal into the flywheel housing from the rear. Ensure that the front edge of the oil seal is flush with the gasket surface of the flywheel housing.
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" and refer to Disassembly and Assembly, "Crankshaft Rear Seal - Install" for the correct procedures.
Clean the rear face of the cylinder block. If necessary, install dowels (5) to the cylinder block.
Install Tooling (A) in Positions (X) to the cylinder block.
If necessary, install new gasket (7) onto Tooling (A).
Install new dust seal (6).
Illustration 7 g06058104
Type C flywheel housing
Bolts (1) are 16 mm
Bolts (2) are 10 mm
Bolts (4) are 12 mm
Illustration 8