INSERT-VALVE SEAT 2668719 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A - Guide Stud
(1/2 inch - UNF by 4 inch) 2 Start By:
Remove the electric starting motor. Refer to Disassembly and Assembly, "Electric Starting Motor - Remove and Install".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g01336668
Typical example
Remove bolts from position (X) on flywheel (1).
Install Tooling (A) in position (X) on flywheel (1).
Install a suitable lifting device on flywheel (1). Support the weight of the flywheel. The flywheel can weigh 71 kg (156 lb).
If necessary, remove bolts (2) that secure the housing for pilot bearing (3) to flywheel (1). Remove the housing for pilot bearing (3).
Remove remaining bolts (4).
Use the lifting device to remove the flywheel from the engine.
Illustration 2 g01336669
Typical example
Inspect flywheel (1) and ring gear (5) for wear or damage. Replace any worn components or damaged components.
To remove flywheel ring gear (5), follow steps 8.a and 8.b.
Place the flywheel assembly on a suitable support.
Use a hammer and a punch in order to remove ring gear (5) from flywheel (1). Note: Identify the orientation of the teeth on the flywheel ring gear.