TM 9-2320-289-3410-24. AIR CONDITIONER COMPRESSOR MAINTENANCE (M1010) (Con’t).12.13.14.1 5.16.Gently tap pulley (23) with pulley bearing (22) into place until it seats. Check pulley to ensurethat it rotates freely. Install pulley snapring (20).NOTEKey (50) has a slight curve for interference fit with keyway of clutch (17).Insert key (50) into keyway of clutch(1 7), Allow key to project 3/16 in.(4.8 mm) out of keyway. Aline keywith shaft keyway (51) and positionclutch on shaft (27).Hold clutch (17) in place with clutchhub holder. Using hub and drive pullerand installer, install clutch until thereis about 3/32 in. (2.4 mm) clearancebetween clutch and pulley (23).Ensure that key (50) stays in place.Install clutch snapring (19). Installnew locknut (18). Tighten locknut to25 Ib.-ft. (34 N.m).Check to ensure that there is0.022-0.057 in.(0.6-0.14 mm)clearance between clutch (17) andpulley (23).If clearance is notcorrect, check for mispositioned key(50) or shaft (27).e.INSTALLATION 1 .2 .3 .If there are no signs of refrigerantleakage in air conditioning system,add refrigerant oil to compressor (14)equal to the amount drained fromcompressor, plus 1 oz. (0.059 1).If there are signs of refrigerant oilleakage in air conditioning system,removereceiver-dehydrator (seeparagraph 10-27), and drain andmeasurerefrigerantoil.Addrefrigerant oil to compressor (14)equal to this amount plus amountdrained from compressor. Installreceiver-dehydrator. (See paragraph10-27)Install drain screw and new gasket oncompressor assembly (14).TA5046010-97
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