GMC 1976 ZEO 6083 Maintenance Manual page 549

Figure 13-Removal of Relief Valve
not to damage the housing bore ; discard the shaft
seal .
CLEANING AND INSPECTION
Carefully clean all pump parts in non-toxic clean-
ing solvent. Replace any damaged or worn parts .
Figure 14-Tapping Shaft to Unseat Pressure Plate
STEERING 9- 1 7
Figure 15-Removal of Shaft, Pressure Plate, Pump
Ring, Vanes and Rotor
1 . Inspect flow control valve assembly for score
marks, wear, burrs, or other damage .
2. Inspect castings for cracks or other visual evi-
dences of damage . Check machined surfaces, espe-
cially mating surfaces on "O" ring seats, for
scratches or burrs that might permit leaks. Examine
Figure 16-Removing Dowel Pins From Housing