TM 5-6675-319-14
Table 3-3, ORGANIZATIONAL TROUBLESHOOTING - Cont
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3 .
REFRIGERATED CABINET DOES NOT MAINTAIN PRESET TEMPERATURE - Cont
( b ) I f r e f r i g e r a n t l e v e l i s l o w , c h a r g e s y s t e m t o c o r r e ct
pressure of 150 psi (1034.2 KPa) lowside and 235 psi (1620.3
KPa) high side.
Step 2.
Check CABINET switch for continuity when the switch is on.
( a ) I f c o n t i n u i t y i s c o r r e c t , p r o c e e d t o s t e p 3.
(b) If switch does not indicate continuity when on, replace
defective CABINET switch (paragraph 3-16.6).
Step 3.
Check for defective cabinet thermostat.
( a ) I f t h e r m o s t a t i s n o t d e f e c t i v e , p r o c e e d t o s t e p 4.
( b ) I f t h e r m o s t a t i s d e f e c t i v e , r e p l a c e c a b i n e t t h e r m o s t at
(paragraph 3 - 16 . 3).
Step 4.
Check cabinet evaporator fan for operation .
( a ) I f f a n d o e s n o t o p e r a t e ,
replace evaporator fan motor (para-
graph 3-16.8).
( b ) I f f a n o p e r a t e s , 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 r t m a i n t e n a n c e.
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