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 TM 9-2320-366-20-3
WARNING
Wear protective goggles to protect against
Wear
possible injury from release of high pressure
air. Failure to comply may result in injury to
personnel.
AIR PRESSURE TEST
(1) Disconnect air hose from input 90 degree
fitting of M1089 LH/RH 30K winch drum
tension actuator.
(2) Connect air hose to M1089 30K winch
pneumatic test adapter.
(3) Start engine (TM 9-2320-366-10-1) and
allow vehicle to build air pressure.
(4) Perform STE/ICE-R Test #50 and note
reading on STE/ICE-R.
(5) If 55-65 PSI (380-448 kPa) is not present,
replace air hose (para 23-5).
(6) If 55-65 PSI (380-448 kPa) is present,
repair or replace M1089 LH/RH 30K winch
cable tensioner (para 17-30).
(7) Shut down engine (TM 9-2320-366-10-1).
(8) Drain air tanks (TM9-2320-366-10-1).
NOTE
Air pressure trapped in wrecker air
system will be released when
disconnecting air hose from M1089
30K winch pneumatic test adapter.
(9) Disconnect air hose from M1089 30K
winch pneumatic test adapter.
(10) Connect air hose to input 90 degree fitting
of M1089 LH/RH 30K winch drum tension
actuator.
(11) Close LH and RH catwalks.
NOTE
Perform step (12) for M1089 RH 30K
winch cable drum tensioner.
(12) Install M1089 control panel covers
(para 17-20).
Change 1
2-2430.3
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