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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.
CLUTCH PRESSURE TEST
(1) Remove front and intermediate propeller
shafts (para 9-2).
(2) Position drain pan under pressure tap.
(3) Remove pressure tap plug and preformed
packing from off-going clutch indicated by
the sub code, refer to Table 2-28.
Off-Going Clutch Pressure Tap. Discard
preformed packing.
(4) Connect tube to boss adapter, hose, and
pipe to tube adapter to clutch 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 one or more off-going clutches fail to
loose pressure, 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 clutch pressure
tap.
(11) Position preformed packing and pressure
tap plug in control valve module.
(12) Tighten pressure tap plug to 84-120 lb-in.
(9-14 Nm).
(13) Remove drain pan under pressure tap.
(14) Install front and intermediate propeller
shafts (para 9-2).
(15) Clear diagnostic codes (para 8-4).
Sub
Sub Code
Off-Going
Code
Meaning
Clutch
Location
10
2-1 Downshift
C5
Stationary Clutch
12
2-3 Upshift
C5
Stationary Clutch
21
3-2 Downshift
C4
Stationary Clutch
23
3-4 Upshift
C4
Stationary Clutch
43
5-4 Downshift
C2
Rotating Clutch
45
5-6 Upshift
C1
Rotating Clutch
65
7-6 Downshift
C4
Stationary Clutch
Change 1
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