ACTUATOR AS-GOVERNOR 1384139 - Caterpillar

Illustration 1 g02826636
Table 1
Specification for 159-7156 Piston Motor Gp    
Item     Qty     Part     Specification Description    
The procedure on adjustment of the drive units is in the following module in the service manual for your machine. Testing and Adjusting for Hydraulic Systems, "Adjustment of the Steering Motor".    
1     4     8T-3957 Bolt     Torque to 85 15 N m (63 11 lb ft).    
Illustration 2 g02826697
Table 2
Item     Qty     Part     Specification Description    
2     1     171-3061 Spring     Free length is
47.90 mm (1.886 inch).    
A     -     -     Dimension is
111.20 to 111.30 mm (4.378 to 4.382 inch).    
3     As required, use the following shims in order to achieve dimension (A) :    
1 9T-1576 Shim     Thickness is
0.10 mm (0.004 inch).    
1 9T-1579 Shim     Thickness is
0.30 mm (0.012 inch).    
4     7     113-4420 Screw     Before assembly, apply blue Loctite 242 to threads.
Torque to
15.5 1.5 N m (137.2 13.3 lb in).    
B     -     -     Dimension is
0.325 0.075 mm (0.0128 0.0030 inch).    
5     As required, use any one of the following shims in order to achieve dimension (B) :    
1 171-3060 Shim     Thickness is
3.60 mm (0.142 inch).    
1 171-3059 Shim     Thickness is
3.70 mm (0.146 inch).    
1 171-3058 Shim     Thickness is
3.80 mm (0.150 inch).    
1 171-3057 Shim     Thickness is
3.90 mm (0.154 inch).    
1 171-3055 Shim     Thickness is
4.00 mm (0.157 inch).