Pump Disassembly
Tools required:
1. (2) 7/16” wrenches (for 2-
3/4
” bolts)
2. Large flat blade screwdriver
3. Small flat blade screwdriver
4. 9/16” open end wrench (for 1” bolts)
Disassembly for repair can be made as follows:
2. Close all necessary valves on inlet and discharge lines and drain the pump by removing both drain
plugs.
3. Loosen and remove the seven (7) 2-
3/4
” hex bolts that hold the volute and the bracket together.
4. Pull the rear sub-assembly away from the volute. The volute may remain attached to the plumbing.
5.
Hold the motor shaft stationary by removing the cover on the opposite end of the motor.
Insert a screwdriver in the slot or a wrench on the opposite drive end of the motor shaft depending
on the motor design and
unscrew the impeller by turning it counter clockwise as viewed from the
7.
Loosen and remove the four (4) 1” hex-bolts that hold the bracket to the motor face. Slide the bracket
away from the motor.
6.
To remove the shaft seal, place the bracket face down on a flat surface and press out the mechanical
seal from the back side. Never pry it out from the front. Carefully remove the ceramic seal from the
back of the impeller hub by carefully prying up with a small flathead screwdriver.
8. Clean the bracket, seal housing and the motor shaft as necessary. Remove slinger if replacing bearings.
If the motor shaft has corrosion build up, use emery cloth to clean it.
8
1. Disconnect the pump from the power source by unplugging or turn off at the circuit breaker.
pump end.
SLINGER
MOTOR
BRACKET
BORE O-RING
MECHANICAL
SEAL
VOLUTE
O-RING
VOLUTE
DRAIN PLUG
WITH ORING
IMPELLER
BRACKET
DRAIN PLUG
WITH ORING
2
-
3/4”
HEX BOLT
1” HEX BOLT
MAINTENANCE
Содержание Cascade Series
Страница 13: ...Performance Data 13 PERFORM ANCE ...