TM 9-4110-255-14
NOTE
Push switch in side door will prevent refrigeration unit from operating if door is open. Do not
pass the service manifold hoses through the side door if the refrigeration unit will need to be
operated.
(4)
Pass service manifold hoses through front door and connect service manifold pressure gage hose to
discharge flare coupling and compound gage hose to suction flare coupling.
(5)
Connect service manifold charge hose to recovery unit.
(6)
Turn discharge and suction shut off valves one turn clockwise to crack open valves.
(7)
Open service manifold pressure gage valve and charge valve. Operate recovery unit and allow
refrigerant to purge for 3-5 seconds. Close pressure gage and charge valves then shut down recovery
unit.
(8)
Open service manifold compound gage valve and charge valve. Operate recovery unit and allow
refrigerant to purge for 3-5 seconds. Close compound gage and charge valves then shut down
recovery unit.
b.
Removal.
(1)
Turn shut off valves fully counterclockwise to backseat them.
(2)
Open service manifold pressure and compound gage valves.
(3)
Open service manifold charge valve. Operate recovery unit and allow refrigerant to purge from hoses.
(4)
Close service manifold valves.
(5)
Shut down recovery unit.
(6)
Disconnect service manifold pressure gage hose from discharge flare coupling and compound gage
hose from suction flare coupling.
(7)
Install two shut off valve and flare coupling caps.
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