TM 5-6675-319-14
Table 2-4. ORGANIZATIONAL TROUBLESHOOTING - Cont
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2. CENTRIFUGAL FAN DOES NOT BLOW AIR WHEN MAIN POWER AND DRYER SWITCHES ARE ON -
Cont
(b) Remove retaining screws and front cover.
(c) Remove fuse from holder.
(d) Connect multimeter probes to fuse and check for continuity.
(1) If both fuses are good, proceed to step 2.
(2) If one or both fuses are bad, replace fuse(s).
Step 2.
Check for broken or improperly adjusted centrifugal fan belt.
( a ) I f c e n t r i f u g a l f a n b e l t i s i m p r o p e r l y a d j u s t e d , a d j u s t b e lt
(paragraph 2 - 16 . 2) .
( b ) I f c e n t r i f u g a l f a n b e l t i s b r o k e n , r e p l a c e b e l t ( p a r a g r a ph
2 - 1 6 . 2 ) .
( c ) I f b e l t i s n o t b r o k e n , p r o c e e d t o s t e p 3 .
Step 3.
Check continuity of DRYER switch.
( a ) I f s w i t c h c o n t i n u i t y i s i n c o r r e c t , r e p l a c e d r y e r s w i t ch
(paragraph 2 - 16 . 8).
( b ) I f c o n t i n u i t y i s c o r r e c t ,
r e f e r t o d i r e c t / g e n e r a l s u p p o rt
maintenance for replacement of centrifugal fan motor.
3.
DRYER HEATER DOES NOT WARM DRYING AIR.
WARNING
Death or serious injury may occur from electrical shock unless power is
t u r n e d o f f b e f o r e s e r v i c i n g .
Step 1.
Check for defective fuse.
( a ) T u r n o f f c i r c u i t b r e a k e r.
2-77