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Page Title: SERVICE MANIFOLD INSTALLATION. - Continued
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TM 9-4110-257-14 5-6.SERVICE MANIFOLD INSTALLATION.  - Continued NOTE Push  switch  in  condenser  side  door  will  prevent  refrigeration  unit  from operating  if  door  is  open.    Do  not  pass  the  service  manifold  hoses through the condenser side door if the refrigeration unit will need to be operated. (4)   Pass service manifold hoses through front bottom doors and connect service manifold pressure gauge hose to discharge flare coupling and compound gauge 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 gauge valve and charge valve.  Operate recovery unit and allow refrigerant to purge for 3-5 seconds.  Close pressure gauge and charge valves then shut down recovery unit. (8)   Open service manifold compound gauge valve and charge valve.  Operate recovery unit and allow refrigerant to purge for 3-5 seconds.  Close compound gauge 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 gauge 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 gauge hose from discharge flare coupling and compound gauge hose from suction flare coupling. (7)   Install two shut off valve and flare coupling caps. NOTE FOLLOW-ON MAINTENANCE: Close front bottom doors. Close right side condenser door. Connect battery (para. 4-35) and put unit back into service. 5-10

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