Shaft Seal

Removal:
1. Remove spring plate.

Note: Removal of pulley and clutch coil when removing and installing shaft seal is not required.

2. Remove holding ring (5) and felt ring (8).






Section: Shaft seal and sealing seat
1 shaft
2 Hub
3 Collar nut
5 Holding ring
7 Key
8 Felt ring
9 Locking ring
10 Ceramic ring
11 0-ring
12 Shaft seal
13 Front head member

NOTE: Puller is self-made of 2.5 mm dia. brass wire.






Removal of holding ring
5 Holding ring

3. Remove locking ring (9) for shaft seal.
4. Remove slip ring (3 or 9) by means of remover and installer (2).






Removal of locking ring for shaft seal
9 Locking ring






Removal of ceramic slip ring
1 Refrigerant compressor
2 Remover and installer
3 Slipring

5. Remove shaft seal (2 or 11) with assistance of tool (3). For this purpose, push down on tool, turn tool to the right to engage lugs of shaft seal and locking tongues on tool. Remove complete shaft seal by straight pulling from shaft.






Removal of shaft seal
1 Refrigerant compressor
2 Shaft seal
3 Remover and installer

6. Remove 0-ring (11) from inside bore in front head section of refrigerant compressor. A wire, which has been bent to a hook, may be used.

Installation:
7. Check whether parts of the old seal are still in bore of front head section. Clean bore prior to inserting a new seal.
8. Insert new 0-ring (11) into groove of bore in head section (13), making sure that the sealing ring is inserted in lower groove.






Section: Shaft seal and sealing seat
1 shaft
2 Hub
3 Collar nut
6 Holding ring
7 Key
8 Felt ring
9 Locking ring
10 Ceramic ring
11 0-ring
12 Shaft seal
13 Front head member

9. Provide shaft seal (11) with refrigerant oil prior to installation to prevent damaging seal during installation.
10. Insert shaft seal (2 or 12) into tool (3) and slip on shaft in compressor. Keep turning tool to the right until shaft seal engages in shaft. Only then turn tool to the left for disengagement from lugs of shaft seal and remove.






Installation of shaft seal
1 Refrigerant compressor
2 Shaft seal
3 Remover and installer

11. Introduce slip ring (3 or 10) with assistance of tool (2) into bore of front head section until slip ring touches shaft seal. Make sure that the 0-ring (11) is not pushed out of groove.






Installation of ceramic slip ring
1 Refrigerant compressor
2 Remover and installer
3 Slip ring

Attention! Protect sealing surface of slip ring against any kind of damage such as scratches

12. Introduce locking ring (9) with flat side in downward direction into bore until locking ring rests on slip ring. Then push with circlip pliers or a screw driver on locking ring until locking ring snaps into groove.






Installation of locking ring for shaft seal
9 Locking ring

Note: The shoulder (refer to arrow) seen from end of bore is a projection and not a groove.

13. Install spring plate.
14. Check oil level in refrigerant compressor.
15. Check compressor for leaks.






Section: Shaft seal and sealing seat
1 Shaft
2 Hub
3 Collar nut
5 Holding ring
7 Key
8 Felt ring
9 Locking ring
10Ceramic ring
11 0-ring
12 Shaft seal
13 Front head member