Change 1 2-581
TM 9-2320-366-34-1
Sub Code
Shift
From - To
01
1-2
2-N-2
4-3
4-5
6-5
6-7
R-1
R-2
R-N-1
R-2
N3-N2
99
79
78
72
71
56
34
54
32
08
Table 2-6. C3 Pressure Switch
PRESSURE TEST
(1) Remove front and intermediate propeller
shafts (TM 9-2320-366-20-4).
(2) Place drain pan under pressure tap.
(3) Remove C3 pressure tap plug.
(4) Connect tube to boss adapter, hose, and
pipe to tube adapter to C3 pressure tap.
(5) Connect batteries (TM 9-2320-366-20-3).
(6) Perform STE/ICE-R test #50 (TM 9-4910-
571-12&P).
(7) Start engine (TM 9-2320-366-10-1).
(8) With parking brake applied, make shift
indicated by sub code, refer to Table
2-4.2. C3 Pressure Switch, and note
reading on STE/ICE-R.
(9) If STE/ICE-R indicates greater than 0 psi
(0 kPa), replace C3 solenoid regulator
valve (para 7-7).
(10) If STE/CE-R indicates 0 psi (0 kPa), replace
C3 pressure switch (para 7-8).
(11) Shut down engine (TM 9-2320-366-10-1).
(12) Remove pipe to tube adapter, hose, and
tube to boss adapter from C3 clutch
pressure tap.
(13) Install C3 pressure tap plug and remove
drain pan.
(14) Install front and intermediate propeller
shafts (TM 9-2320-366-20-4).
