REPAIR KIT 1U6535 - Caterpillar

Table 1
Rocker Arm Reman Part Number    Original Screw Part Number    Screw Diameter    Lock Nut Torque    
20R-3317     274-4491    
9.525 mm (0.375 inch)    
30 7 N m (22 5 lb ft)    
20R-3328     274-4491    
9.525 mm (0.375 inch)    
30 7 N m (22 5 lb ft)    The torque specifications for the new adjusting screws and lock nuts are listed in Table 2.
Table 2
Rocker Arm Reman Part Number    New Screw Part Number    Screw Diameter    Lock Nut Torque    
20R-3317     335-7395    
11.125 mm (0.438 inch)    
35 7 N m (26 5 lb ft)    
20R-3328     335-7395    
11.125 mm (0.438 inch)    
35 7 N m (26 5 lb ft)