NIPPLE-PIPE 3B7263 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 138-7573 Link Bracket 2
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
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, PERJ1017, "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.
Illustration 1 g00589791
Install Tool (A) on flywheel (1) and attach a suitable lifting device.
Remove two bolts (2) and install two 1-14 NF guide bolts.
Remove remaining bolts (2).
Remove flywheel (1). The flywheel weighs approximately 167 kg (370 lb). Installation Procedure
Table 2
Required Tools
Tool Part Number Part Description Qty
A 138-7573 Link Bracket 2
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Inspect the condition of the flywheel gear. Replace the gear, if necessary.
Remove the damaged ring from the flywheel.
Heat the new ring gear to a maximum temperature of 316 °C (600 °F).
Install the gear on the flywheel with the chamfer of the gear teeth toward the engine.
Illustration 2 g00589791
Install two 1-11 NC guide bolts in the end of the crankshaft. Note: Ensure that the mark on the flywheel is aligned with the mark on the crankshaft.
Install Tool (A) and a suitable lifting device on flywheel (1).
Place clean engine oil on the threads of the bolts and install ten bolts (2).
Remove Tool (A) and the guide bolts in order to install remaining two bolts (2). Tighten all of the bolts to a torque of 1150 60 N m (850 44 lb ft). Note: Refer to the Specifications Module, "Flywheel" for more information.