Replace the wear protection: H-impeller
This procedure only applies to the following pumps:
• 3127.090
• 3127.181
1. Remove the wear protection from the oil housing bottom.
2. Check that the surface intended for the wear protection is clean and undamaged.
3. Fit the new wear protection.
To prevent deformation use either a rubber mallet or a wooden block and a hammer.
Replace the insert ring
This procedure does not apply to the following pumps:
• 3102.170
• 3102.890
1. Turn the pump housing upside down.
2. Press out the insert.
3. Turn back the pump housing.
4. Check the surface intended for the insert ring is clean and undamaged.
5. Press in a new insert ring until it bottoms out.
Replace the cutting ring
This procedure only applies to the following pumps:
• 3102.170
• 3102.890
When the impeller and cutter wheel are replaced, also replace the cutting ring.
1. Remove the cutter wheel from the pump housing.
2. Knock out the cutting ring from the inside of the pump housing.
Maintenance (Continued)
Flygt 3102 Service and Repair Instructions
39