Installation

Fig. 21 Installing pulley & bearing:

1. If original pulley and bearing assembly is being installed, wipe frictional surfaces of pulley clean. If frictional surfaces of pulley show any indication of damage due to overheating, pulley should be replaced.
2. Check bearing for brunnelling, excessive looseness, noise or lubricant leakage. If any of these conditions exist, bearing should be replaced.
3. Press or tap pulley and bearing assembly on neck of compressor until it seats, using tools shown in Fig. 21. Installer will apply force to inner race of bearing, preventing damage to bearing.
4. Check pulley for binding or roughness. It should rotate freely.
5. Install retainer ring.
6. Install clutch plate and hub.