23
17.
Examine pump for thrust bearing endplay. (Figure 6.3)
Figure 6.3: Thrust Play
Checking endplay on thrust bearing. Thrust
play should not be more then 0.0015”
18.
Examine pump for bracket/frame perpendicularity. (Figure 6.4)
Figure 6.4: Frame Adaptor/Case Perpendicularity
Checking frame adaptor perpendicularity. This value
should not be more then 0.005”
If any of the above measurements are out of specification please refer to table 6-1
Table 6-1
Assembly Measurement Troubleshooting Chart
Symptom
Cause
Remedy
Shaft Run Out
Shaft bent
Replace
Radial Play
Inboard or radial bearings are worn.
Bearing housing is worn
Replace bearing
Replace bearing housing
Axial Play
Outboard or axial bearings are worn.
Steps in shaft are worn
Replace bearing
Replace shaft
Frame Adaptor/case not
Perpendicular
Irregular machined mating surfaces
Frame adaptor warped
Clean machine surfaces
Replace bearing housing
