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SEAL-PISTON 2333798 - Caterpillar

2333798 SEAL-PISTON Caterpillar parts SEAL
Alternative (cross code) number:
Caterpillar 2333798 SEAL-PISTON

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Disassembly Procedure
Start By:
Remove the automatic lubrication pump. Refer to Disassembly and Assembly, "Lubrication Pump (Automatic) - Remove".
Illustration 1 g00469247Note: Refer to Parts Manual, SEBP2787 for the repair kits that are available.
Position the automatic lubrication pump onto a suitable work bench, as shown.
Remove hose assembly (1).
Loosen the four clamps (arrows). Remove the lid from the container.
Illustration 2 g00469248
Remove hose assembly (2).
Loosen the two screws. Remove ring (4) (not shown). Disconnect the chain. Remove the lower part of follower assembly (3).
Illustration 3 g00538435
Remove two bolts (8), the two washers, and the two nuts that connect the mounting bracket of the pressure regulating valve to the lid.
Remove four bolts (9) and the washers. Remove pump assembly (5), pressure regulating valve (7), and gasket (6) (not shown).
Illustration 4 g00469547
Disconnect the pressure regulating valve and the fitting assembly from the pump assembly. Note: The pressure regulating valve cannot be separated from the pump assembly until the pump assembly is separated from the lid.
Illustration 5 g00469572
Remove bushing (10), tee (12), and nipple (11).
Remove adapter (14), check valve (15), and nipple (16).
Remove coupling (13), elbow (17), and relief valve (19).
Remove bracket (18), the two bolts, and the two washers.
Illustration 6 g00470097
Illustration 7 g00470099
Remove elbow (20), tube (28), nut (26), plate (27), and six washers (25).
Remove nut (23), rod (29), fitting (30), and plate (21).
Remove fitting (24) and nut (22). Note: The following items of the follower assembly are serviced as a kit: lower part of follower assembly (3), ring (4), elbow (20), nut (23), six washers (25), nut (26), plate (27), rod (29) and fitting (30).

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