TUBE ASSEM. 5D8349 - Caterpillar

If necessary, remove engine mountings from the flywheel housing. Refer to Original Equipment Manufactures (OEM) for the correct procedure.
Illustration 1 g02062234
Remove bolts in Position (X) from flywheel housing (7).
Install Tooling (B) into Position (X) of flywheel housing (7).
Remove bolts (1) and bolts (6) from blanking plate (2) and blanking plate (5).
Remove blanking plate (2) and blanking plate (5) from the flywheel housing. Remove O-ring seal (3) (not shown) and O-ring seal (4) (not shown).
Illustration 2 g02063693
Install Tooling (A) and a suitable lifting device onto flywheel housing (7). The weight of flywheel housing (7) is approximately 134 kg (295 lb).
Remove bolts (8), bolts (9) and bolts (10) from flywheel housing (7).
Use the suitable lifting device in order to remove flywheel housing (7) from the cylinder block.
Illustration 3 g02062293
Illustration 4 g02062275
If necessary, remove dowels (11) from the cylinder block.
Remove gasket (12).
Remove oil seal (13) from flywheel housing (7). Installation Procedure
Table 2
Required Tools
Tool Part Number Part Description Qty
A 138-7574 Link Bracket 2
B - Guide Studs
M10 by 100 mm 2
C - Loctite 5900 -
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 5 g02062293
Illustration 6 g02063873
Install a new oil seal (13) to flywheel housing (7). 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 crankshaft rear seal (14) 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 (11) to the cylinder block.
Install Tooling (B) to the cylinder block.
Align a new gasket (12) with Tooling (B). Install the gasket to the cylinder block.
Illustration 7 g03384799
Install Tooling (A) and a suitable lifting device onto flywheel housing (7). The weight of the flywheel housing is approximately 134 kg (295 lb).
Apply Tooling (C) to the bottom of flywheel housing (7) in order to fill the space between the cylinder block, the flywheel housing, and the engine oil pan.
Position flywheel housing (7) on the cylinder block. Install bolts (8), bolts (9), and bolts (10) hand tight.
Remove Tooling (B) and install reaming bolts (10).
Illustration 8 g03384833
Flywheel housing tightening sequence
Follow Steps 11.a through Step 11.c in order to tighten bolts (8), bolts (9), and bolts (10). Tighten the bolts in the numerical sequence. Refer to Illustration 8.
Tighten the M10 bolt (8) to a torque of 63 N m (46 lb ft).
Tighten the M16 bolt (9) to a torque of 260 N m (192 lb ft).
Tighten the M12 bolt (10) to a torque of 115 N m (85 lb ft).
Remove Tooling (A) from the flywheel housing.
Check the alignment of the flywheel housing with the crankshaft. Refer to System Operation, Testing and Adjusting, "Flywheel Housing - Inspect" for more information.
If necessary,