EXTENSION GP-BACKREST 3653544 - Caterpillar

Assembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
C 1P-0510 Driver Gp 1
D 7N-8268 Installation Tool 1
E 438-8155 Installation Tool 1 Reference: Refer to Reuse and Salvage Guidelines, SEBF8418, "Salvage of Water Pumps in 3500 Series Engines" for reuse and salvage guidelines.
Illustration 1 g06133754
Install filters (15) into pump housing (10).
Illustration 2 g06133753
Install ring (14) and the locating pin.
Use Tooling (C) to install lip seal (13) into pump housing (10).
Illustration 3 g06133750
Install shaft assembly (8), thrust washer (9), bolts (7), and the washers into pump housing (10).
Illustration 4 g06133755
Illustration 5 g03476619
Use Tooling (D) to install stationary seal group (11) with the ceramic side facing out.
Illustration 6 g06133756
Illustration 7 g06133757
Use Tooling (E) and a suitable press to install rotating seal group (6). Rotating seal group (6) is to be installed with installation clips (X) in place until rotating seal group (6) is fully seated. Remove installation clips (X).Note: Do not use hammer to install seal groups as damage to the ceramic faces on the seal groups will occur.
Illustration 8 g06133758
Lubricate the shaft assembly with a light coat of engine oil. Use a suitable press to install impeller (5) into pump housing (10) and onto the shaft assembly. Install impeller (5) to a depth of 0.0 0.15 mm (0.00000 0.00591 inch) from the end of the shaft assembly to the outer face of the impeller.Note: Support the shaft assembly to prevent damage to the thrust washer.
Illustration 9 g06133759
Install plug assembly (12) and the O-ring seal into pump housing (10).
Illustration 10 g03475339
Install O-ring seal (4) and O-ring seal (3) onto cover assembly (2).
Illustration 11 g03475023
Install cover assembly (2), the studs, and nuts (1). Tighten the studs to a torque of 35 5 N m (25 3 lb ft). Tighten nuts (1) to a torque of 27 5 N m (19 3 lb ft).End By:
Install the water pump.