C15 On-highway Engine Caterpillar

Flywheel Housing - Remove and Install

Usage:

C15 BXS

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Table 1
Required Tools
Tool	Part Number	Part Description	Qty
A	138-7574	Link Bracket	2

Start By:

Remove the crankshaft rear seal. Refer to Disassembly and Assembly, "Crankshaft Rear Seal - Remove".
Remove the electric starting motor. Refer to Disassembly and Assembly, "Electric Starting Motor - Remove and Install".

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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. Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat products. Dispose of all fluids according to local regulations and mandates.

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NOTICE

Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life.

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Remove bolts (3) . Remove flywheel housing (2) from the cylinder block. The weight of the flywheel housing is approximately 27 kg (60 lb).

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NOTICE

Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life.

Thoroughly clean the mating surfaces of the flywheel housing and the cylinder block.

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Install Tooling (A) and a suitable lifting device on the flywheel housing. The weight of the flywheel housing is approximately 27 kg (60 lb).

Apply Tooling (B) on seal (4) and seal (5) . Install the seals in the flywheel housing.
Note: Apply Tooling (B) to the bottom of seal (5) in order to fill the space at the cylinder block, the flywheel housing, and the engine oil pan.

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Position flywheel housing (2) on the cylinder block. Install bolts (3) and remove Tooling (A) .

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Tighten the bolts, as follows:
1. In a numerical sequence, tighten bolt 1 through bolt 9 to a torque of 100 ± 20 N·m (75 ± 15 lb ft).
1. In a numerical sequence, tighten bolt 10 through bolt 24 to a torque of 40 ± 10 N·m (30 ± 7 lb ft).
1. In a numerical sequence, again tighten bolt 1 through bolt 9 to a torque of 135 ± 20 N·m (100 ± 15 lb ft).
1. In a numerical sequence, again tighten bolt 10 through bolt 24 to a torque of 55 ± 10 N·m (40 ± 7 lb ft).

End By:

Install the electric starting motor. Refer to Disassembly and Assembly, "Electric Starting Motor - Remove and Install".
Install the crankshaft rear seal. Refer to Disassembly and Assembly, "Crankshaft Rear Seal - Install".