COUPLING 1242153 - Caterpillar

Illustration 1 g06264275
Illustration 2 g06144823
Bolt tightening sequence
Table 1
Item Qty Part Specification description
1 10 6V-8675 Bolt Apply blue Loctite 243 to threads.
2 32 378-2695 Bolt Use the following procedure to tighten the bolts:
1. Torque to 250 40 N m (184 30 lb ft).
Turn to an additional angle of 60 5 degrees.
3 1 4B-8353 Pin Protrusion (B) is 3.60 0.20 mm (0.142 0.008 inch).
4 — — Mating surfaces and washers must be free of paint.
5 1 4N-1230 O-Ring Seal Lubricate lightly with lubricant that is being sealed.
6 Refer Disassembly and Assembly "Final Drive - Remove and Install - Scraper" before installing the shim pack:
1 415-7152 Shim Pack Total thickness of one is 2.85 mm (0.112 inch).
Thickness of each shim in the shim pack for six shims is 0.05 mm (0.002 inch).
Thickness of each shim in the shim pack for one shim is 0.80 mm (0.032 inch).
Thickness of each shim in the shim pack for seven shims is 0.25 mm (0.010 inch).
7 8 6V-5686 Bolt Tighten the bolts in the numerical sequence as shown in the Illustration 2.
8 1 5H-8624 O-Ring Seal Lubricate lightly with lubricant that is being sealed.
9 22 8T-5878 Bolt Torque to 900 100 N m (664 74 lb ft).
10 28 7X-2563 Bolt Torque to 520 70 N m (384 52 lb ft).
11 36 213-5007 Bolt Mating surfaces and washers must be free of paint.
Torque to 570 80 N m (420 59 lb ft)