MOTOR GP-GEAR 4867352 - Caterpillar

Installation Procedure
Table 1
Required Tools    
Tool    Part Number    Part Description    Qty    
A     138-7575     Link Bracket     1    
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g00477056
Note: The ring gear must be installed with the chamfered side of the teeth upward, shown in the inset of Illustration 1. The chamfered side of the gear teeth will be facing toward the starting motor when the flywheel is installed to engage the starting motor correctly.
Heat ring gear (1) to a maximum temperature of 320 °C (608 °F). Install the ring gear.
Illustration 2 g00477169
Typical Example. Tooling (A) that is show is not what is called out in the above Table.
Install Tool (A) on the flywheel.
Install two 5/8-18 NF guide bolts in the crankshaft for alignment, if necessary.
Slide the flywheel onto the guide bolts. Ensure that mark (2) on the crankshaft is aligned with mark (3) on the flywheel. Hold the flywheel in position and install the bolts. Remove the two guide bolts and install the remaining two bolts, if necessary. Tighten the bolts to a torque of 205 27 N m (151 20 lb ft).
Remove Tool (A) from the flywheel.
Check the flywheel runout. Refer to the Testing and Adjusting, "Basic Block" topic for more information on flywheel runout.End By: Install the electric starting motor. Refer to Disassembly and Assembly, "Electric Starting Motor - Remove and Install".