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TM 9-4110-257-14
f.
Pressure Gage Indicates Below 165 psi (1139 kPa).
OPEN ALL REFRIGERATION VALVES (PARA 4-7). IF
ANY VALVES WERE CLOSED, OPERATE UNIT
(PARA 2-5). IS PRESSURE GAGE ABOVE
165 PSI (1139 kPa)?
YES
NO
PUT UNIT BACK INTO SERVICE.
NOTIFY DIRECT SUPPORT MAINTENANCE TO
CHECK AND ADJUST THE REFRIGERANT CHARGE IF
NEEDED.
g.
Compound Gage Indicates Above 15 psi (103 kPa).
OPEN ALL REFRIGERATION VALVES (PARA 4-7). IF
ANY VALVES WERE CLOSED, OPERATE UNIT
(PARA 2-5). IS COMPOUND GAGE BELOW 15 PSI
(103 kPa)?
YES
NO
PUT UNIT BACK INTO SERVICE.
NOTIFY DIRECT SUPPORT MAINTENANCE TO CHECK
AND ADJUST THE REFRIGERANT
CHARGE IF NEEDED.
h.
Compound Gage Indicates Below 0 psi (0 kPa).
OPEN ALL REFRIGERATION VALVES (PARA 4-7). IF
ANY VALVES WERE CLOSED, OPERATE UNIT
(PARA 2-5). IS COMPOUND GAGE ABOVE 0 PSI
(0 kPa)?
YES
NO
PUT UNIT BACK INTO SERVICE.
NOTIFY DIRECT SUPPORT MAINTENANCE TO
CHECK AND ADJUST THE REFRIGERANT CHARGE IF
NEEDED.
4-37
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