TM 5-3805-262-20ADJUSTMENT( a)(b)(c)(d)( e )( f )(g)( h )Using a belt tension gage (1),check tension of drive belt (2)as shown below. Tension of aused drive belt shall be 90pounds; tension of a new drivebelt shall be 110 pounds. If adrive belt tension gage is nota v a i l a b l e , d e p r e s s d r i v e b e ltmidway between air compressorpulley and fan pulley. Drivebelt deflection should be 1/2i n c h.If tension of drive belt is notas specified above, do the fol-lowing steps.Loosen two capscrews (3) secur-ing air compressor (4) to mount-ing bracket (5).Using clothes hanger wire, wrapwire (6) around base of air com-pressor as shown. Then, using aprybar (7) move air compressoraway from engine until properd r i v e b e l t t e n s i o n i s o b t a i n e d.Aline air compressor pulley withfan pulley and tighten two cap-screws (3) to secure air com-pressor (4) to mounting bracket( 5 ) .Using belt tension gage (l),check tension of drive belt (2)as shown above. Tension of aused drive belt shall be 90pounds; tension of a new drivebelt shall be 110 pounds. If adrive belt tension gage is nota v a i l a b l e , d e p r e s s d r i v e b e ltmidway between air compressorpulley and fan pulley. Drivebelt deflection should be 1/2inch. If necessary, do steps (c)through (e) above.Remove wire from around base ofair compressor.R e i n s t a l l e n g i n e r i g h t s i depanels (page 9-17).7-97
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