Compressor Clutch: Service and Repair

Compressor Clutch:

Required Special Tools:
- MB991367: Special Spanner
- MB991386: Pin

DISASSEMBLY SERVICE POINT




<> SELF-LOCKING NUT REMOVAL

ASSEMBLY SERVICE POINTS

>>A<< FIELD CORE ATTACHMENT

Line up the pin hole on the compressor unit with the field core projection and attach.

>>B<< SNAP RING INSTALLATION

Using snap ring pliers, fit the snap ring so that the snap ring's tapered part is on the outside.

>>C<< SELF-LOCKING NUT INSTALLATION
Using a special tool, as when removing the nut, secure the armature and tighten the self-locking nut.

>>D<< AIR GAP ADJUSTMENT

Apply voltage from the battery to the magnetic clutch and check that the clutch air gap is inside the standard value. If outside the standard value, use a shim to adjust the gap.
Standard value:
- 0.3 - 0.5 mm (0.012 - 0.020 inch)

NOTE: The shims are available in 0.05 mm steps across the thickness range 0.35 - 0.70 mm, and in 0.1 mm steps of thickness.