PISTON 8G3102 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 2P-8312 Retaining Ring Pliers 1
B 8H-0663 Bearing Puller Gp 1
C 1P-0510 Driver Gp 1
Turn the fuel supply to the “OFF” position and turn the power disconnect switch to the OFF position.
Illustration 1 g02155173
Disconnect tube assemblies (1) and (2).
Remove bolts (4).
Remove fuel transfer pump (3) and remove the O-ring seal (not shown).
Illustration 2 g02155430
Remove nut (5). Remove bolts (7) and remove pump drive (6).
Illustration 3 g02155446
Remove bolts (10) and retainers (11) that secure adapter (14) to bearing (12).
Use Tooling (A) in order to remove retaining ring (13).
Use Tooling (C) and a suitable press to remove assembled bearing (12) and gear (9) from adapter (14).
Use Tooling (B) and a suitable press in order to remove bearing (8) from gear (9).
Use Tooling (B) and a suitable press in order to remove bearing (12) from gear (9). Installation Procedure
Install the fuel transfer pump in reverse order.
Illustration 4 g02155446
Raise the temperature of bearing (8) and install the bearing onto gear (9).
Raise the temperature of bearing (12) and install the