TM 5-3805-262-203-19. AIR BRAKE SYSTEM TROUBLESHOOTING (CONT)MALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTION7. AIR COMPRESSOR FAILS TO MAINTAIN SUFFICIENT AIR PRESSURE (Cont).S t e p 6 . ( C o n t ).b . I f i n l e t s c r e e n i s n o t c l o g g e d , r e i n s t a l l i n l e t s c r e e n a n d i n l etport and secure using two lock washers and capscrews. Go to step7 below.Step 7. Disconnect air compressor outlet hosef o r o b s t r u c t i o n ( c a r b o n d e p o s i t s ).a .b .8. NOISY OPERATIONStepStep1.2.I f h o s e o r f i t t i n g i s o b s t r u c t e d ,hose or fitting. Reconnect outletand inspect hose and fittingremove obstructions or replacehose to air compressor.Reinstall air compressor (steps (b) through (m), page 7-92).If hose or fitting is not obstructed, complete removal and re-placement of air compressor (page 7-88).OF AIR COMPRESSOR.Remove engine right side panels (page 9-14).Check for loose air compressor pulley.a . I f p u l l e y i s l o o s e , t i g h t e n .b. If pulley is not loose, go to step 2 below.Loosen and disconnect oil supply hose from air compressor.Loosen and disconnect other side of oil supply hose connectedcylinder block.Check oil supply hose and fitting for restriction .t o3-135
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