WARNING
TM 9-2320-365-20-2
Change 1 2-1455
08
18
28
29
38
39
48
49
58
59
68
78
99
69
Sub
Code
N3-N2 or N2-N3 Shift
L-N1
1-N1
2-N1
2-N2
3-N1
3-N3
4-N1
4-N3
5-N1
5-N3
6-N1
6-N4
R-N1
Sub Code Meaning
Off-Going
Clutch(s)
C3
C1
C1 & C4
C1
C1
C1 & C3
C1 & C2
C1 & C2
C2 & C3
C2
C2 & C4
C2 & C4
C2
C3
Table 2-28. Off-Going Clutch Pressure Tap
CLUTCH PRESSURE TEST
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.
(1) Remove front and rear 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 9-2320-365-10) 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 off-going clutch pressure does not go
to 8 psi (55 kPa) or less when shift is
made, notify DS Maintenance.
(9) If off-going clutch pressure does go to 8 psi
(55 kPa) or less when shift is made, replace
WTEC III TEPSS (para 8-2).
(10) Shut down engine (TM 9-2320-365-10).
(11) Remove pipe to tube adapter, hose, and
tube to boss adapter from clutch pressure
tap.
(12) Position preformed packing and pressure
tap plug in control valve module.
(13) Tighten pressure tap plug to 84-120
lb-in. (9-14 N·m).
(14) Remove drain pan under pressure tap.
(15) Install front and rear propeller shafts
(para 9-2).
(16) Clear diagnostic codes (para 8-4).
