SWITCH-OP 2354974 - Caterpillar

Perform the following procedure to convert the former 122-0725 Oil Filter Base Group to the new 166-1329 Oil Filter Base Group .
Disassemble the former 122-0725 Oil Filter Base Group. Refer to the Disassembly and Assembly, "Engine Oil Filter Base " section.
Replace the 9M-0853 Relief Valve Plunger with a 1P-1367 Plunger .
Illustration 2 g00672559
Components of the former 122-0725 Oil Filter Base Group
Table 3
Components of the Former 122-0725 Oil Filter Base Group    
Item     Qty     Pt. No.     Description    
1     2     6V-5217     Bolts (1)    
2     2     9M-1974     Hard Washers (2)    
3     1     122-0726     Oil Filter Base (1)    
4     1     6V-4367     O-Ring Seal (2)    
5     1     9Y-3902     Valve (1)    
( 1 ) These components can be discarded.
( 2 ) These components will be used in Step 4.
Assemble all of the components from the former 122-0725 Oil Filter Base Group into the new 166-1328 Base except for the components that are identified in Illustration 2 and Table 3. Discard the components that are identified in Illustration 2 and Table 3 except for hard washers (2) and O-ring seal (4). Hard washers (2) and O-ring seal (4) will be used in Step 4. Refer to the Disassembly and Assembly, "Engine Oil Filter Base" section.
Illustration 3 g00672572
Components of the new 166-1329 Oil Filter Base Group
Table 4
Components of the New 166-1329 Oil Filter Base Group    
Item     Qty     Pt. No.     Description    
2     2     9M-1974     Hard Washers (1)    
4     1     6V-4367     O-Ring Seal (1)    
6     1     9X-2097     Studbolt    
7     1     6V-3940     Bolt    
8     1     1P-1367     Plunger    
9     1     7C-2891     Cover    
10     1     7C-3953     Spring    
( 1 ) These components were removed in Step 1.
Refer to Illustration 3 and Table 4 in order to perform the following procedure:
Install plunger (8), spring (10), and O-ring seal (4) into the new 166-1328 Base .
Install cover (9), hard washers (2), studbolt (6), and bolt (7) into the new 166-1328 Base .