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 TM 5-4120-341-13
TO 35E9-256-1
LOCATION/lTEM
REMARKS
ACTION
TOP OF HOUSING
3. Refrigerant System
Remove caps from discharge and suction service
a.
valves.
Pressure check the refrigerant system as follows:
b.
(1) Connect suction pressure gauge to suction
service valve.
(2) Start air conditioner.
(3) Connect discharge pressure gauge to dis-
charge service valve.
(4) Open discharge and suction service valves,
(5) Compare gauge readings with the normal
range of system pressure as shown in the
following table.
(6) Close discharge and discharge service
valves,
(7) Remove gauges and install valve caps.
Normal Operating Pressures
Suction Pressure
Discharge Pressure
Suction Pressure
Discharge Pressure
5-6
Change 3
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