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.Replace the bearing, ifrequired.INSTALLATION(1) Align the dowel pin on the back of the clutchfield coil with the hole in the compressor front hous-ing and press the field coil into place.(2) Install the clutch coil wire lead retaining clipon the compressor front housing and tighten theFig.15 Check Air Gapretaining screw.(3) Install the clutch field coil and snap ring with(6) Install the drive plate onto the clutch andsnap ring pliers.The bevel side of the snap ring musttighten to 98 N·m (72 ft.lbs.).be facing outward.Press the snap ring to make sure(7) Install the drive spool onto the drive plate.it is properly seated in the groove.Tighten the drive spool bolts to 16 N·m (12 ft.lbs.).(8) Reverse the remaining removal procedures toCAUTION: If the snap ring is not fully seated in thecomplete the installation.groove it will vibrate out, resulting in a clutch fail-ure and severe damage to the front housing of theCLUTCH BREAK-INcompressor.After a new compressor clutch has been installed,cycle the compressor clutch approximately twenty(4) Check that the original clutch spacer shims aretimes (five seconds on, then five seconds off).Duringin place on the compressor shaft and install thethis procedure, set the heater-A/C control to the A/Cclutch plate.Replace the shaft bolt and tighten to(Recirc) mode, the blower motor switch in the highest14.4 N·m (10.5 ft.lbs.).speed position, and the engine speed at 1500 to 2000rpm.This procedure (burnishing) will seat the oppos-NOTE: The clutch air gap is determined by theing friction surfaces and provide a higher compressorspacer shims.When installing the original or a newclutch torque capability.clutch assembly, try the original shims first.Wheninstalling a new clutch onto a compressor that pre-
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