Compressor Shaft Seal: Service and Repair

REPLACING SHAFT SEALING

Removing

Note: Briefly loosen vent plugs on line connections, so that any remaining gas can escape.

1. Remove coupling plate.

2. Remove dust seal with blunt object.

3. Remove key with key puller.

4. Remove shaft seal retaining ring.




5. Pull out friction washer using puller.




6. Remove axial face seal with puller. Introduce puller. Push down the axial face seal spring with the puller and simultaneously turn to the right, until the seal catches.


Installing

Note: Prior to installation, coat axial face seal and friction washer with refrigerator oil.
Do not damage the sealing faces of the shaft sealing.


1. Install axial face seal with pulling tool.




2. Install friction washer with pulling tool

3. Using thrust member and nut, push friction washer to where the groove for the retaining ring is fully visible.




4. Insert retaining ring and remove thrust member.




5. Insert key, apply key inserter, and drive in the key.

6. Insert dust sealing.

7. Install coupling plate.
Tightening torque: 16 Nm (12 ft lb)