STA-RITE 7SB50 Instrucciones De Operación Y Instalación página 9

9. Slide the seal off the motor shaft. This can be done
by gently prying the seal plate away from the motor.
This will push the seal off the shaft.
Figure 11 – Prying seal plate.
10. Remove the seal plate from the motor shaft, turn it
face down, and push the ceramic stationary half of
the seal out of the seal plate.
Assembly
Refer to the exploded view on Pages 10-17.
1. Install the new seal (stationary half) into the seal
plate. Lay the seal plate flat and lubricate the
rubber side of the seal with a small amount of soap.
Set the seal into the recess and press it in fully.
Protect the face with the cardboard disc (included).
Use a tool such as a 3/4" socket with extension to
press it in evenly. Discard the cardboard disk.
Figure 12 – Installing seal.
2. Put the seal plate on the motor shaft.
3. Install the new rotating half of the seal on the motor
4. Install the spacer on the stack. It fits in grooves in
5. Use a 7/16" open end wrench to hold the motor
Seal
Seal Plate
6. Install the seal plate O-Ring into the recess on the
7. Assemble the motor/pump stack assembly into the
8. Attach the motor to the pump body with four
9. Reinstall the motor end cover on the motor.
9
shaft. Polished surfaces face each other. Push the
seal on evenly. The seal will seat fully when the
pump shaft is tightened.
both the seal plate and stack and will stay in place
once the pump shaft is tightened.
shaft at the wiring end of the motor. Thread the
coupling end of the pump stack onto the threaded
motor shaft. Use SAF-T-LOK (provided with the
new stack) on the threads. Tighten with 7/16"
wrenches on the motor shaft and on the pump
stack shaft. Tightening the shaft will fully seat the
seal.
pump body.
pump body.
capscrews. Tighten the capscrews firmly in a cross
pattern. Do not over-tighten the bolts. Torque the
bolts to 25 foot-lbs torque.