With SD-709 Compressor
Compressor Components:
Remove or Disconnect
Tool Required:
J 37791 Clutch Front Plate Spanner Wrench
J 36045 Front Plate Puller
J 37792 Puller Fingers
J 8433 Puller Set
J 37795 Bearing Remover and Installer/Pulley Installer
J 29886 Driver Handle
^ Insert the two pins of the J 37791 into any two threaded holes of the clutch front plate (2). Hold the clutch plate stationary.
1. Hex nut using a 19 mm socket.
2. Clutch front plate using J 36045.
^ Align the puller center bolt to the compressor shaft.
^ Thumb tighten the three puller bolts into the threaded holes.
^ Turn the center bolt to the right with the socket wrench until the front plate is loosened.
Removing The Shaft Key:
3. Shaft key (27) by lightly tapping it loose with a slot screw driver and hammer.
4. Internal bearing snap ring (4) with internal type snap ring pliers.
5. Rotor pulley assembly.
^ Insert J 37792 into the snap ring groove.
^ Align the thumb head bolts of J 8433 to the puller fingers and tighten.
^ Turn the puller center Dolt to the right with a socket wrench until the rotor pulley is free.
6. Rotor bearing.
^ Remove the snap ring from the rotor.
^ Place the rotor in a vise.
^ Install J 37795 and J 29886.
Removing The Bearing:
^ Tap the bearing (6) out.
7. Field coil (10).
^ Loosen the coil lead wire from the clip on top of the compressor front housing.
Removing The Coil Snap Ring:
^ Remove the snap ring (7).
^ Remove the coil.
Install or Connect
Tools Required:
J 37795 Bearing Remover & Installer/Pulley Installer
J 29886 Driver Handle
J 27796 Shaft Protector
J 37791 Clutch Front Plate Spinner
1. Field coil and snap ring retainer
^ The coil flange protrusions must match the hole in the front housing to prevent coil movement and to correctly place the lead wire.
2. Coil wire to clip.
^ Clamp the compressor in a vise by the mounting ears or support the compressor on the four mounting ears at the rear of the compressor.
Installing The Rotor Bearing:
3. Bearing to the rotor with J 37795 and J 29886.
4. Snap ring to the rotor.
5. Rotor pulley (5) to the front housing hub and align.
^ Place J 37795 into bearing cavity with the outer edge of the rotor bearing outer race.
^ Place J 29886 into the ring.
^ Use a hammer to tap the end of J 29886 to guide the rotor until it bottoms out against the compressor front hub. Listen for a distinct change of sound during the tapping process.
6. Internal bearing snap ring.
7. Shaft key (27).
8. Front plate assembly.
^ Align the front plate keyway to the compressor shaft key.
9. J 37796 to the compressor shaft.
^ Tap the front plate to the shaft until the plate bottome to the clutch shims.
10. Shaft hex nut.
^ Hold the plate with J 37791.
Tighten
^ Nut to 36 N.m (27 ft.lbs.).
^ Check the air gap with a feeler gauge. It should be 0.49 to 0.79 mm (0.016 to 0.031 inch). If the gap is not consistent all around, pry up slightly at points of minimum variation. Lightly tap down at points of maximum variation. The gap is determined by the shims. If necessary, add to or remove, shims from the shim stack.