Sanden Compressor

1. Remove the center nut while holding the armature plate with the tool.




2. Remove the armature plate by pulling it up by hand.




3. Remove snap ring B with snap ring pliers.

NOTE:
- Be careful not to damage the rotor pulley and compressor during removal/installation.
- Once snap ring B is removed, replace it with a new one.




4. Remove the rotor pulley from the shaft with a puller and the special tool.

NOTE: Place the claws of the puller on the back of the rotor pulley, not on the belt area; otherwise the rotor pulley can be damaged.

5. Remove the screw from the field coil ground terminal then disconnect the field coil connector. Remove snap ring A with snap ring pliers, then remove the field coil.

NOTE:
- Be careful not to damage the field coil and compressor during remove/installation.
- Once snap ring A is removed, replace it with a new one.
- When installing the field coil, align the boss on the field coil with the hole in the compressor.




6. Position the rotor pulley squarely over the field coil. Press the rotor pulley onto the compressor boss with the special tool. If the rotor pulley does not press on straight, remove it, and check the rotor pulley and compressor boss for burrs or damage.

CAUTION: Maximum press load: 39,200 kPa 1400 kg/sq.cm, 5,690 psi)




7. Assemble in the reverse order of disassembly. Make note of the following items.
- Install the field coil with the wire side facing down.
- Clean the rotor pulley and compressor sliding surfaces with non-petroleum solvent.
- Make sure the snap rings are fully seated in the groove.
- Make sure that the rotor pulley turns smoothly after it's reassembled.
- Route and clamp the wires properly or they can be damaged by the rotor pulley.