Maintenance Videos

Zeno Academy

Better Together
Zenit Group | 29 Mar 2018

UNIQA - ZUG V WET Assembly

  1. Fit the O-ring into place on the flange and grease
  2. Fit the flange onto the shaft, with a suitable driver
  3. Secure the flange with the snap ring, making sure it is perfectly snug
  4. Wet the counterface with alcohol and fit it, using a suitable driver
  5. Blow with compressed air to remove all traces of dirt and lubricate the counterface
  6. Clean the surfaces of the seal with a paper towel
  7. Wet the seal in alcohol and fit it onto the shaft, using a suitable driver
  8. Fix the seal with the snap ring
  9. Fit the shim ring on the rotating side
  10. Fit the casing onto the shaft and tighten the fixing stud bolts, securing them with Loctite 243 threadlocker
  11. Grease the O-ring and fit it into place on the rotating side
  12. Fit the seal onto the shaft, paying attention to the positions of the locator slots
  13. Wet the counterface with alcohol and fit it into place in the pump plate, using a suitable driver
  14. Fit the counterface locking ring and fit the screws without fully tightening them. Use Loctite 243 threadlocker
  15. Fit the O-ring into its seat
  16. Fit the oil cage and tighten the counterface locking ring screws
  17. Fold the wings of the oil cage inward, taking care that they do not interfere with rotation of the seal
  18. Fit the O-ring into the seat in the pump plate
  19. Blow with compressed air to remove all traces of dirt and lubricate the counterface
  20. Fit the O-rings into the oil chamber screw seats
  21. Fit the pump plate onto the oil chamber and fix it with the screws
  22. Tighten at least two opposite screws by hand to fit it gradually into position.
  23. Fit a cap into one oil chamber hole and a compressed air fitting into the other
  24. Pour in a little alcohol to check for leaks
  25. Test for tightness at a maximum pressure of 1 bar
  26. Remove the cap and fitting
  27. Grease the V-ring and fit it onto the shaft
  28. Screw a male eye-bolt onto the shaft and lift the motor with a hoist
  29. Refit the handle so that the cable will not be crushed when handling the motor
  30. Lay the motor part horizontal on the workbench with the oil chamber caps upward
  31. Tighten the handle screws
  32. Fill the chamber with oil. Refer to the documentation for the correct amount
  33. Seal the oil chamber with the caps
  34. Place the impeller on a firm support and connect it to the drive shaft
  35. Secure the impeller with the fixing screw. Use Loctite 270 threadlocker
  36. Spray the pump plate O-ring with spray lubricant
  37. With a hoist, lift the motor by the handle and connect it to the pump body
  38. Fix the pump body with the screws
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