PUMP GP-GEAR 4251283 - Caterpillar

Illustration 1 g03051256
Illustration 2 g03051260
Bolt Tightening Sequence
Table 1
Specification for 389-7915 Air Lines Gp    
Item     Qty     Part     Specification Description    
1     8     6V-3917 O-Ring Seal     Before assembly, lightly lubricate the bore with 5P-3975 Rubber Lubricant.    
2     12     6J-0934 Bolt     Use the following procedure in order to tighten the bolts for aftercooler assembly:
1. Assemble seals to the aftercooler core.
2. Temporarily secure the bottom seal with tape. Do not use an adhesive, a silicone lubricant, or any other lubricant for retention of the seal.
3. Assemble the aftercooler with the seals to the inlet manifold.
4. Inspect the bottom seal in order to ensure that the seating is correct in the recess.
5. Install the aftercooler cover.
6. Inspect the upper seal in order to ensure that the seating is correct in the recess.
7. Install the cover bolts and hand tighten the bolts.
8. Tighten the bolts in the numerical sequence as shown in Illustration 2 to
24 6 N m (18 4 lb ft).
9. Tighten the bolts in the numerical sequence as shown in Illustration 2 to
47 9 N m (35 7 lb ft).
10. Remove the tape.    
3     4     6L-3005 Band Clamp     Torque to
8.5 1.0 N m (75.2 8.9 lb in).    
4     4     306-1720 Band Clamp     Torque to
27 5 N m (239 44 lb in).    
5     8     9L-7373 High Temperature Bolt     Before assembly, apply Loctite C5A copper anti-seize to the threads and the bearing surfaces.    
Torque to
55 10 N m (41 7 lb ft).
6     16     6V-5101 O-Ring Seal     Before assembly, lightly lubricate the bore with 5P-3975 Rubber Lubricant.    
Illustration 3 g03051257
View of area A
Table 2
Item     Qty     Part     Specification Description    
7     4     3J-5389 Plug     Before assembly, apply Loctite C5A copper anti-seize to the threads and the bearing surfaces.    
Torque to
20 5 N m (177 44 lb in).
8     8     6V-1943 High Temperature Bolt     Before assembly, apply Loctite C5A copper anti-seize to the threads and the bearing surfaces.    
Torque to
55 10 N m (41 7 lb ft).
9     3     5P-8940 O-Ring Seal     Before assembly, lightly lubricate the bore with 5P-3975 Rubber Lubricant.