CLUTCH GP 3N8613 - Caterpillar

Illustration 27 g03739859
Type C flywheel housing
Bolts (1) are 16 mm
Bolts (2) are 10 mm
Bolts (4) are 12 mm
Illustration 28 g03743506
Tightening sequence of Type C flywheel housing
Ensure that bolts (1), bolts (2) and bolts (4) are clean and free from oil or grease. Ensure that all threaded holes in the cylinder block are clean and free from oil or grease.
Install a suitable lifting device onto the flywheel housing. The weight of the flywheel housing is approximately 40 kg (88 lb).
Use the lifting device to align flywheel housing (3) with Tooling (A). Install the flywheel housing to the cylinder block.
Install bolts (1), bolts (3) and bolts (4).
Remove Tooling (A). Install remaining bolts (4).
Follow Step 14.a through Step 14.c to tighten bolts (1), bolts (2) and bolts (4) in the tightening sequence that is shown in Illustration 24.
Tighten bolts (2) to a torque of 115 N m (85 lb ft).
Tighten bolts (1) to a torque of 190 N m (140 lb ft).
Tighten bolts (4) to a torque of 63 N m (46 lb ft).
Check the alignment of flywheel housing (3) with the crankshaft. Refer to System Operation, Testing and Adjusting, "Flywheel Housing - Inspect" for more information.End By:
Install the flywheel. Refer to Disassembly and Assembly, "Flywheel - Install" for the correct procedure.Installation Procedure of Type D Wet Back-End Housing
Table 8
Required Tools
Tool Part Number Part Description Qty
A(1) - Guide Studs M10 by 100 mm 2
- Guide Studs M12 by 100 mm 2
(1) Use either tooling
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.
Illustration 29 g03743094
Typical example
Illustration 30 g03743521
Typical example
Install a new oil seal (9) to flywheel housing (4).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 procedure.
Clean the rear face of the cylinder block. If necessary, install dowels (7) to the cylinder block.
Install Tooling (A) to the cylinder block.
Align a new gasket (10) with Tooling (A). Install the gasket to the cylinder block.
Install dust seal (8).
Illustration 31 g03739858
Type D Wet Back-End Housing
Bolts (3) are 16 mm
Bolts (5) are 10 mm
Bolts (6) are 12 mm
Illustration 32 g03743518
Tightening sequence of Type D flywheel housing
Ensure that bolts (2), bolts (3), bolts (5), and bolts (6) are clean and free from oil or grease. Ensure that all threaded holes in the cylinder block are clean and free from oil or grease.
Install a suitable lifting device onto the flywheel housing. The weight of the flywheel housing is approximately 40 kg (88 lb).
Use the lifting device to align flywheel housing (4) with Tooling (A). Install the flywheel housing to the cylinder block.
Install bracket (1) to flywheel housing (4).