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 TM 9-2320-366-20-2
WARNING
Wear approved eye protection when
performing transmission pressure checks.
If oil contacts eyes, seek medical attention
immediately. Failure to comply may result
in injury to personnel.
CAUTION
Loose or dirty connectors may cause
intermittent loss of power to transmission
ECU and diagnostic codes to be logged.
Ensure that all connectors are clean and tight
before performing troubleshooting. Failure to
comply may result in incorrect test results.
CLUTCH PRESSURE TEST
(1) Remove front and intermediate propeller
shafts (para 9-2).
(2) Position drain pan under C3 pressure
tap plug.
(3) Remove C3 pressure tap plug and
preformed packing from control valve
module. Discard preformed packing.
(4) Connect tube to boss adapter, hose, and
pipe to tube adapter to C3 pressure tap.
(5) Perform STE/ICE-R Test # 50 (TM 9-4910-
571-12&P).
(6) Start engine (TM 9-2320-366-10-1) and
run at idle.
(7) With parking brake applied, make shift
indicated by sub code while assistant
notes reading on STE/ICE-R.
(8) If pressure does not drop to zero in
selected range indicated by code values,
gaskets or C solenoid may be faulty in
control valve module, notify DS
Maintenance.
(9) Shut down engine (TM 9-2320-366-10-1).
(10) Remove pipe to tube adapter, hose, and
tube to boss adapter from C3 pressure
tap.
(11) Position preformed packing and C3
pressure tap plug in control valve module.
(12) Tighten C3 pressure tap plug to 84-120
Sub
lb-in. (9-14 Nm).
Sub Code Meaning
Code
(13) Remove drain pan under C3 pressure tap.
(14) Install front and intermediate propeller
11
1st
Range
VER
shafts (para 9-2).
22
2nd
Range
VER
44
4th
Range
VER
66
6th
Range
VER
88
N1
Range
VER
99
N2/N4
Range
VER
Change 1
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