TM 5-3805-262-20
3-19. AIR BRAKE SYSTEM TROUBLESHOOTING (CONT)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
7. 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 et
port and secure using two lock washers and capscrews. Go to step
7 below.
Step 7. Disconnect air compressor outlet hose
f 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 OPERATION
Step
Step
1.
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 outlet
and inspect hose and fitting
remove obstructions or replace
hose 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 connected
cylinder block.
Check oil supply hose and fitting for restriction .
t o
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