Zenit Group | 29 Mar 2018
UNIQA - ZUG V WET Dismantling
- Place the pump vertical on the workbench
- Undo the pump body screws
- With a hoist, lift off the motor by the handle
- Hang the motor section with the impeller over a firm support to hold the motor while the impeller is removed
- Loosen the impeller fixing screw but do not remove it
- Use a lever to free the impeller from its tapered seat
- Undo the impeller fixing screw and remove it
- With a hoist, lift up the motor and lay it horizontal on the workbench
- Screw a male eye-bolt onto the shaft
- Drain the oil from the chamber into a suitable container
- CAUTION take care when unscrewing the caps as there may be pressure inside the chamber
- With a hoist, lift the motor by the shaft
- Remove the handle
- Place the motor vertical on a firm support which does not crush the cable
- Remove the V-ring
- Undo the screws of the pump plate and put it on the workbench
- Undo the counterface locking ring screws and remove the oil cage, O-ring and counterface
- Remove the seal
- Undo the fixing stud bolts of the casing and remove it
- Remove the snap ring that secures the seal
- Remove the seal using 2 levers
- Remove the snap ring that secures the flange
- Screw a male eye-bolt onto the shaft and lift it up to remove the flange. Use a Teflon hammer if necessary
- Unscrew the male eye-ring from the shaft and remove the sealing flange
- Remove the seal from the flange
- CAUTION To avoid damaging the seal, do not use metal tools