All moving parts are located in the rear sub-assembly of this pump.
Tools required:
1. 3/32 inch Allen wrench
2. 7/16 inch open end wrench
3. 9/16 inch open end wrench
5. #3 Phillips screw driver
Disassembly and repair of the motor sub-assembly 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 six (6) 1-1/8” 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.
6.
Remove the set screw from the impeller eye, if present. To remove, hold the impeller stationary and
turn the set screw clockwise to loosen (screw is left-hand threaded).
7. Hold the motor shaft stationary by removing the cap on the opposite end of the motor and inserting a screwdriver
in the slot or use a wrench on the flat spot on the motor shaft depending on the motor design and unscrew the
impeller by turning it counter-clockwise.
8. Loosen and remove the four (4) 7/8” hex-bolts that hold the bracket to the motor face.
10.
Clean the bracket, seal bore housing and the motor shaft as necessary. Remove slinger if replacing bearings.
1.
Rear Sub-assembly
Disconnect the pump from the power souce by unplugging or turn off at the circuit breaker.
Loosen and remove the two (2) diffuser set screws that hold the diffuser to the bracket.
4. Small and large flathead screwdrivers
9. To remove the shaft seal, place the bracket face down on a flat surface and press out the carbon/spring seal from the
back side. Never try to pry it our from the front. Carefully remove the ceramic seal from the back of the impeller hub
by carefully prying up with a small flathead screwdriver.
PUMP DISASSEMBLY
Teton
Page 11
