Shaft Seal

The shaft seal assembly is precision-machined and its critical parts are finished to extremely close tolerances. The assembly must be handled with great care, its slip face demanding particularly careful handling.

Removal

1. Remove the magnetic clutch assembly.

Snap Ring Removal:

2. Remove the snap ring with external snap ring pliers.

Seal Seat Removal:

3. Using Remover (J 33942-B), remove the seal seat of the O-ring. Discard the seal seat and O-ring.

Shaft Seal Removal:

4. Using Remover (J 33941-A), remove the shaft seal as follows: Turning clockwise, hitch the remover hook to the shaft seal hook, and draw out the seal slowly. Discard the shaft seal.
5. Check the shaft and inside of the compressor neck for dirt or foreign material and be sure these areas are perfectly clean before installing new shaft seal.

Inspection
Shaft seal assembly should not be reused. Always use a new shaft seal kit when reassembling the compressor. Be extremely careful to ensure that the face of the shaft to which the shaft seal is to be installed is not scratched or damaged in any way. Make sure the seal seat and shaft seal are free of dirt which could damage the shaft seal surface.

Installation

1. Clean the sealed section of the compressor.
2. Apply clean compressor oil to the new shaft seal and the drive shaft. If the slip faces are dirty, clean them with thinner. After drying the cleaned face, apply clean compressor oil to slip faces.

Shaft Seal Installation:

3. Install the new shaft seal on the drive shaft, using Remover (J 33941-A), matching the chamfered portion of the shaft seal retainer to the corresponding chamfered part of the drive shaft.
4. Fit the new O-ring to the groove inside of the compressor neck.
5. Apply clean compressor oil to the seal seat.
6. Install the seal seat using Remover (J 33942-B).
7. Using internal snap ring pliers, install the snap ring.
8. Install the magnetic clutch assembly.
9. Carry out leak test.