Diesel Data: Automotive Repair

With R-4 Compressor

R-4 Compressor Component View:






The shaft seal is designed to seep oil for lubrication. Replace the seal if a large leak is detected. Use J 29547 to determine refrigerant oil leakage.

If the seal needs replacing, remove the accumulator. Drain, measure and replace the refrigerant oil with new 525 viscosity refrigerant oil.

Remove or Disconnect

Tools Required:
J 5403-A Internal Snap Ring Pliers
J 22974-A Compressor Shaft Oil Seal Protector
J 23128-A Ceramic Seal Remover and Installer
J 34614 Shaft Seal Protector

1. Clutch drive hub (3).
2. Retainer ring (11).

Clean
^ The inside of the compressor neck area.

3. Shaft seal (12).

Removing The Shaft Seal With J 23128-A:





^ Engage J 23138-A into the recessed portion of the seal by turning with a hand motion.
^ Lift the seal with a rotary-pulling motion.

Removing And Installing The Shaft Seal:





4. Seal (O-ring) (13) with J 9553-01.

Install or Connect

Tool Required:
J 33011 "O" Ring Installer

Installing The Seal:





1. Seal (O-ring) (14) to the shaft (22).
^ Dip the seal in clean 525 viscosity refrigerant oil.
^ Seal (O-ring) to J 33011.
^ Insert J 33011 over the shaft and down until it reaches the bottom of the shaft.
^ Tower the slide on J 33011 to release the seal (O-ring) into its groove.
^ Rotate J 21508-A to seat the seal (O-ring).

2. Shift seal (12).
^ Shaft seal to J 23128-A.
^ J 23128-A and shaft seal to the shaft.
^ Slide J 23128-A over and down the shaft until it stops.
^ Disengage J 23128-A from the shaft seal with a reverse hand twisting motion.

4. Retainer ring (11).
5. Clutch drive hub (3).