Withdrawal
1. While holding the armature disk/hub with a suitable puller, remove the screw (1). Tightening torque: 10-15 Nm.
2. Remove the anchor disc (2) and adjusting washers (3).
3. Remove the fixing ring (4) with suitable forceps.
Note: be careful not to damage the pulley (5) and compressor. Replace retaining ring (4) when installing.
4. Loosen the screw (6) wires «masses» electromagnetic clutch. Remove retaining ring (7) and clutch winding (8).
Installation
5. Installation is carried out in the reverse order of removal.
Examination
6. Check the pulley bearing for excessive runout and binding by turning the pulley in the direction shown. If faults are found, replace the pulley (2) and anchor disc (1).
7. Check the gap between the pulley (4) and anchor disc (3) around the entire circumference. Nominal value: 0.35-0.65 mm. If the measured value is greater than the nominal value, remove the armature disk and install or remove the shim to increase or decrease the gap, respectively.
Note: shims 0.7 thick are available as spare parts; 0.8; 0.9; 1.0; 1.1; 1.2 and 1.3 mm.
8. Connect «+» battery to the electromagnetic clutch terminal, and «-» - to the compressor housing. Make sure that a characteristic sound is heard when the electromagnetic clutch is activated.