PULLEY, COUPLING ASSY REPLACE
Removal and Installation
This task covers:
Bearing, - Part Number
Kit, NSN 5180-00-545-8645
63B Wheel Vehicle Mechanic
Remove access panel
Release the tension on "V" belt and remove from boost pump pulley.
Remove the two bolts that secure the bushing to the pulley. Reinstall the bolts into the other tapped
holes in the bushing. Tighten bolts evenly. This will seperate the bushing from the pulley.
Remove the boost pump from the mounting plate. If shims are installed note there position for
Loosen the set screw from the coupling half on the pulley shaft and remove the coupling half.
Remove the two bearing retaining rings from bearing support.
Tap the pulley shaft toward the oil cooler using a mallet.
Remove bearings from bearing support.
Press bearings into bearing support and install two retaining rings.
Install pulley shaft through the bearings. Ensure that small retaining ring is installed in the groove of
the shaft and facing toward the oil cooler.
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