8 Disassembly and Reassembly
8.1 Disassembly and Reassembly
NOTICE:
Do not apply heat to the hub or nose of a threaded impeller.
Danger of explosion.
8.1.1 Disassembly of a bottom suction pump - VJC
1.
Lock out power supply to motor.
2.
Shut off valves controlling flow from the pump. Remove all auxiliary piping and tubing.
3.
Remove pump.
4.
Loosen v-belts or disconnect coupling. Remove either from shaft.
5.
Remove motor and motor mount if a direct connected pump.
6.
Unbolt and remove suction cover (182) and suction cover liner (1008).
7.
With the shaft (122) clamped, tum the impeller (101) in the direction of normal rotation and unscrew
from the shaft. To avoid damage to shaft, wrap tape around threads.
8.
Unbolt studs, nuts and bolts (370 & 371H). Remove casing (100) with rubber gasket (211).
9.
Unbolt nuts (370H) from throttle bushing (473) and remove from column pipe. Access to nuts is
made through column pipe relief holes.
10. Slide shaft sleeve (126) from shaft (122).
11. Disassemble column pipe (192) and discharge pipe (195).
12. Remove nuts from bearing housing locking studs (370C). See Fig. 8.
13. Draw bearing housing and shaft assembly from the frame (228).
Figure 9: VJC suction end
8 Disassembly and Reassembly
Model VJC Installation, Operation, and Maintenance Manual
27
Содержание VJC
Страница 1: ...Installation Operation and Maintenance Manual Model VJC ...
Страница 2: ......
