SEAL 3K0350 - Caterpillar

Illustration 1 g06137706
(1) 232-3868 Belleville Spring
(2) 135-3859 Spacer
(3) 357-1728 Spacer
(4) 486-3732 Spacer
(5) 486-3733 SpacerThe new parts are listed in Table 1.
Table 1
Item Qty New Part Number Part Name
1 4 232-3868 Belleville Spring
2 1 135-3859(1) Spacer
3 1 357-1728(1) Spacer
4 1 486-3732(1) Spacer
5 1 486-3733(1) Spacer
(1) Use the required spacer as per the dimension of the gapThe gap and thickness of the spacers are listed in Table 2.
Table 2
Spacer Gap
Part Number Thickness Dimension
135-3859 1.57 mm 1.28 to 1.32 mm (0.050 to 0.052 inch)
486-3733 1.96 mm 0.91 to 1.27 mm (0.036 to 0.050 inch)
357-1728 2.28 mm 0.60 to 0.90 mm (0.024 to 0.035 inch)
486-3732 2.50 mm 0.40 to 0.59 mm (0.016 to 0.023 inch) Rework Procedure
Follow latest implement pump assembly instruction in Disassembly and Assembly manual for the machine.Note: After installing the rotating group into the body assembly, the bronze surface of the pump barrel should be 2.1 mm (0.08 inch) above the surface of the body assembly.Note: Do not install Belleville Springs (1) or listed Spacers ( (2), (3), (4), or (5) ) with 179-6521 Test Ring.
Refer to Table 2 to determine the correct spacer to use.
Remove 179-6521 Test Ring.
Install four Belleville Springs (1) and Spacer ( Refer to step 2). Refer to Illustration 1 for required belleville spring orientation.
Complete pump assembly by following instructions in Disassembly and Assembly manual for machine.