PUMP GP-PISTON 4350063 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 369-9451 Grease 1
B 6V-3009 Crossbar 1
6V-4832 Forcing Screw 1
8B-7560 Step Plate 1
126-7181 Sliding Plate 2
1U-6342 Threaded Rod M10 by 1.5 Thread 1
8T-4133 Nut 2 Start By:
If necessary, remove the catalyst (module).
Illustration 1 g02245414
View from the front of the engine.
Disconnect tube assembly (1).
Remove stud bolt (2) and position the tube assembly out of the way.
Illustration 2 g02245498
Remove four bolts (3).
Remove manifold (4) as an assembly.
Illustration 3 g02291533
Remove bolts (7) and separate mixing tube (8) from plate (6).
Remove bolts (9) and separate mixing tube (8) from air inlet manifold (5). Remove and discard the O-ring seals.
Illustration 4 g02291578
View from rear of the engine.
Remove bolt (11) from elbow (13).
Remove stud bolt (10) from elbow (13).
Remove eight bolts (12) and remove elbows (13).Installation Procedure
Install manifold (4) in the reverse order of removal.
Apply Tooling (A) to the O-ring Seals for elbows (13).
Illustration 5 g02733037
Position Tooling (B) and a suitable block of wood on the engine. Use Tooling (B) to install mixing tube (8) and install bolts (3).