SWITCH GP 9Y6671 - Caterpillar

Illustration 1 g03765520
Typical example
Illustration 2 g03765521
Tightening sequence
Table 1
Specification for 356-1937 Tandem Drive Gp , and 354-6543 Tandem Drive Gp    
Item     Qty     Part     Specification Description    
1     32     200-0999 Stud     Install studs until the stud flange is firmly fixed against the chain box.    
2     32     142-9036 Nut     Use the following procedure in the tightening sequence as shown in Illustration 2:
1. Tighten the nuts to 160 15 N m (118 11 lb ft).
2. Turn an additional angle of 60 5 degrees.    
Illustration 3 g03765522
Right side view
Table 2
Item     Qty     Part     Specification Description    
A     -     -     Allowable free middle span movement on the slack side of the tension chain assembly is
10.0 to 15.0 mm (0.39 to 0.59 inch).    
3     2     7G-8839 Spacer     Orient the chamfer of the spacer toward the hydraulic motor.