HEAD GP-PUMP 5537280 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1P-0520 Driver Group 1 Start By:
Remove the flywheel. Refer to Disassembly and Assembly, "Flywheel - Remove" for the correct procedure.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
If necessary, remove the OEM equipment from the rear power take-off (RPTO).
Illustration 1 g02069019
Illustration 2 g02069023
Remove bolts (1). Remove adapter (2) from flywheel housing (9). Remove O-ring seal (3) (not shown). Note: Make a temporary mark on the adapter and the flywheel housing in order to show the correct orientation of the adapter.
Remove bolts (4). Remove adapter (5) from flywheel housing (9). Remove O-ring seal (6) (not shown). Note: Make a temporary mark on the adapter and the flywheel housing in order to show the correct orientation of the adapter.
Remove gear (7) from crankshaft (8).
If necessary, follow Steps 5.a through Steps 5.b in order to remove the sleeve bearing from the adapter.
Place adapter (2) onto suitable support.
Use Tooling (A) and a suitable press in order to remove sleeve bearing (10) from adapter (2).
Repeat Steps 6.a through Step 6.b in order to remove the sleeve bearing from adapter (5).
Place adapter (5) onto suitable support.
Use Tooling (A) and a suitable press in order to remove sleeve bearing (10) from adapter (5).
Illustration 3 g02069020
Remove gear assembly (11) and gear assembly (12) from flywheel housing (9).
Illustration 4 g02069021
Illustration 5 g02069453
Remove bolts (13). Remove gear (17) and idler hub (15) from flywheel housing (9).
Remove bolts (14). Remove gear (18) and idler hub (16) from flywheel housing (9).
If necessary, follow Steps 10.a through Steps 10.b in order to remove the sleeve bearing from the gear.
Place gear (17) onto suitable support.
Use Tooling (A) and a suitable press in order to remove sleeve bearing (19) from gear (17).
Illustration 6 g03453499
Repeat Steps 11.a through Step 11.b in order to remove the sleeve bearing from the remaining gear.
Place gear (18) onto suitable support.
Use Tooling (A) and a suitable press in order to remove sleeve bearing (19a) from gear (18).
Illustration 7 g02069024
If necessary, follow Steps 12.a through Steps 12.b in order to remove the sleeve bearings from the flywheel housing.
Use a suitable tool in order to remove sleeve bearing (20) from flywheel housing (9).
Repeat Step 12.a in order to remove sleeve bearing (21) from flywheel housing (9).