336, 336 GC and 340 Excavator Systems Caterpillar


Swing Gear and Bearing

Usage:

336 DKS


Illustration 1g02961976
Top view

Table 1
Item  Qty  Part  Specification Description 
Position "S" that is on inner race (3) relative to the carbody assembly (1) and bearing stopper (2). Refer to Illustration 1. 


Illustration 2g02961857

Table 2
Item  Qty  Part  Specification Description 
8T-4137 Bolt  Before assembly, apply blue Loctite 243 to the threads.
Torque to 37 ± 4 N·m (27 ± 3 lb ft)
7Y-1650 Hose Clamp  Torque to 5.4 ± 0.5 N·m (47.8 ± 4.4 lb in)
8T-4136 Bolt  Before assembly, apply blue Loctite 243 to the threads.
Torque to 37 ± 4 N·m (27 ± 3 lb ft)
7Y-1095 Dowel  Before assembly, apply Loctite C5A Copper Anti-Seize Compound to the dowel holes. 
Before assembly, apply 8C-8422 Sealant between the mating surfaces of the gear group and upper frame assembly. and between the gear group and carbody assembly. 
8T-4136 Bolt  Before assembly, apply blue Loctite 243 to the threads.
Torque to 20 ± 2 N·m (177 ± 18 lb in)
10  42  461-3888 Bolt  Before assembly, remove compound, oil and dust from female threads, then apply Loctite C5A Copper Anti-Seize Compound to the threads.
Use the following tightening procedure:

1. Tighten bolts to 250 ± 25 N·m (184 ± 18 lb ft).
2. Turn to an additional angle of 65 ± 5 degrees. 
11  46  461-3885 Bolt  Before assembly, remove compound, oil and dust from female threads, then apply Loctite C5A Copper Anti-Seize Compound to the threads.
Use the following tightening procedure:

1. Tighten bolts to 250 ± 25 N·m (184 ± 18 lb ft).
2. Turn to an additional angle of 55 ± 5 degrees. 

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