a) If the pump has a packed stuffing box, remove packing and lantern ring from the stuffing box
cover.
b) If the pump has a mechanical seal, the rotary portion of seal will slide off with the sleeve. Do
not damage seal faces.
12. Scribe shaft at coupling hub for proper positioning of hub during reassembly and remove hub.
To disassemble remainder of the liquid end; casing, suction sideplate, and suction piece (if sup-
plied), proceed as follows:
13. Disconnect suction and discharge flanges.
14. Remove casing hold-down bolts and move casing toward driver. If preferred, casing can be re-
moved from bedplate for further disassembly.
15. Remove suction sideplate nuts.
Figure 58: Liquid end disassembly
16. Remove the suction sideplate by tightening the jacking screws evenly. Be sure not to damage the
sideplate O-ring. Remove the sideplate-tocasing gasket.
To complete disassembly of the power end, proceed as follows:
17. Remove the bolts which hold the frame adapter to the bearing frame. Remove the frame adapter.
18. Remove the deflector from the shaft.
19. Remove the bolts which hold the inboard bearing end cover to the frame. Remove the end cover.
Do not damage the oil seal.
20. Tap the oil seal from the inboard bearing end cover if replacement of seal is required. Refer to
6.6 Inspection and Overhaul on page 61
21. Remove bearing housing bolts (2). Impeller adjustment bolts with jam nuts (1) can be used to assist
in the removal of the shaft and bearing assembly from the bearing frame.
6.5 Disassemble the Pump
3175 Installation, Operation and Maintenance Instructions
59
