CYLINDER & SEAL GP 9V7983 - Caterpillar

1. Remove flange (2) and the cover from secondary steering diverter valve (1).
There is a spring force against cover (3). When the bolts that hold the cover in place are removed, the spring force will be released. To prevent possible personal injury, hold the cover in place as the mounting bolts are being removed.
2. Remove cover (3) from the diverter valve. Remove the O-ring seals from the cover. 3. Remove valve spool assembly (4) from the valve body. Put identification marks on springs and valves for installation purposes.4. Push down on springs (6) and remove sleeves (5), spring (6) and sleeves (7) from valve spool (8). 5. Remove springs (9) and the valves behind the springs from the valve body.
There is a spring force behind plug (10). When the plug is removed, the spring force will be released. To prevent possible personal injury, slowly remove the plug to release the spring force.
6. Slowly remove plug (10). Remove the O-ring seal from the plug. Remove the springs, shims and valve stem from the valve body. 7. Turn the valve body around and remove plug (11). Remove the O-ring seal from the plug. Remove cover (12). Remove the two O-ring seals from the cover.
An orifice is inside passage (13). Do not remove the orifice unless a replacement is needed.