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(4) Remove rotor-pulley retaining snap ring with Snap Ring Pliers C-4574. Slide rotor-pulley assembly (5) Loosen the lead wire retaining clamps and re- move lead wire from the compressor front end plate. (6) Remove the snap ring which secures the field coil-core assembly to the front boss (Fig. 2). Note the WARNING: TAKE CARE THAT THE SNAP RING INSPECTION Examine frictional faces of the rotor-pulley and ar- mature plate for wear. The pulley and plate should Check rotor-pulley bearing for roughness or exces- sive grease leakage. Check for bearing grease con- The rotor-pulley and armature plate should be re- placed as a matched set. INSTALLATION (1) Position the back of the field coil-core over the compressor front boss. This will allow the locating (2) Fasten lead wire to the compressor front plate with the retaining clip. Connect the lead wire to the (3) Install field coil-core retaining snap ring (bevel side outward) with Snap Ring Pliers C-4574. Press CAUTION: If snap rings on field coil-core and rotor- (4) Slide pulley assembly onto compressor. CAUTION: Do not mar the pulley frictional surface. (5) Install rotor-pulley assembly retaining snap ring (bevel side outward) with Snap Ring Pliers (6) If the original armature plate assembly and ro- tor-pulley assembly are to be reused, the old shim(s) (7) Install armature plate to the compressor shaft. Note the machined mating splines (Fig. 3). Fig. 1 Compressor Shaft Nut Removal/Installation Fig. 2 Armature Plate/Rotor-Pulley/Field Coil-Core Fig. 3 Aligning Clutch Plate Splines Ä HEATING AND AIR CONDITIONING 24 - 33 |