TM-9-2320-366-20-2
M1083 SERIES, 5 TON, 6x6, MEDIUM TACTICAL VEHICLES (MTV)
TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; UNIT MAINTENANCE; VOLUME NO. 2 OF 5
FEBRUARY 2006
CHANGE 3
TM-9-2320-366-20-2 - Page 1037 of 1632
Change 1
2-1793
TM 9-2320-366-20-2
(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 clutch pressure tap indicated by the sub code.
Refer to Table 2-43.
Clutch Pressure Tap.
(4)
Connect tube to boss adapter, hose, and pipe to tube adapter to clutch pressure tap.
(5)
Start engine (TM 9-2320-366-10-1).
(6)
Perform STE/ICE-R Test #50 (TM 9-4910-571-12&P).
(7)
With parking brake applied, make shift indicated by sub code. Refer to Table 2-43.
Clutch Pressure Tap.
(8)
Accelerate engine until WTEC III TPSS displays denied range. Refer to Table 2-43.
Clutch Pressure Tap.
(9)
Maintain sufficient engine speed to keep desired transmission range while assistant notes reading on
STE/ICE-R.
(10)
Let engine return to idle.
(11)
Shift WTEC III TPSS into neutral.
(12)
If one or more clutches failed to indicate proper pressure, notify DS Maintenance.
(13)
If all clutches indicate proper pressure, replace WTEC III transmission ECU (para 8-7).
(14)
Shut down engine (TM 9-2320-366-10-1).
(15)
Remove pipe to tube adapter, hose, and tube to boss adapter from clutch pressure tap.
(16)
Position preformed packing and pressure tap plug in control valve module.
(17)
Tighten pressure tap plug to 84-120 lb-in. (9-14 N·m).
(18)
Remove drain pan under pressure tap.
(19)
Install front and intermediate propeller shafts (para 9-2).
(20)
Clear diagnostic codes (para 8-5).
CLUTCH PRESSURE TEST
01
07
10
12
17
21
23
27
32
34
43
54
56
65
70
71
72
80
81
82
83
85
86
92
93
95
96
97
45
L-1
Sub
Code
Sub Code
Meaning
L-R
1-L
1-2
1-R
2-1
2-3
2-R
3-2
3-4
4-3
4-5
5-4
5-6
6-5
R-L
R-2
R-1
N1-L
N1-1
N1-2
N1-3
N1-5
N1-6
N2-2
N3-3
N3-5
N4-6
2-R
Downshift
Shift
Upshift
Upshift
Shift
Downshift
Upshift
Shift
Downshift
Upshift
Downshift
Downshift
Upshift
Downshift
Upshift
Downshift
Shift
Shift
Shift
Shift
Shift
Shift
Shift
Shift
Shift
Shift
Shift
Shift
Shift
Shift
C1 & C5
C3 & C6
C1 & C4
C3 & C5
C1 & C5
C1 & C3
C3 & C5
C1 & C4
C1 & C2
C1 & C3
C2 & C3
C1 & C2
C2 & C4
C2 & C3
C3 & C6
C1 & C5
C1 & C4
C3 & C6
C1 & C5
C1 & C4
C1 & C3
C2 & C3
C2 & C4
C1 & C4
C1 & C3
C2 & C3
C2 & C4
C3 & C5
Pressure
at Clutch(s)
C3 & C5
Pressure Readings at Taps
187-305 psi (1280-2100 kPa)
215-276 psi (1480-1900 kPa)
142-203 psi (
980-1400 kPa)
215-334 psi (1480-2300 kPa)
215-276 psi (1480-1900 kPa)
186-305 psi (1280-2100 kPa)
142-203 psi (
980-1400 kPa)
215-334 psi (1480-2300 kPa)
142-203 psi (
980-1400 kPa)
142-203 psi (
980-1400 kPa)
142-203 psi (
980-1400 kPa)
128-189 psi (
880-1300 kPa)
142-203 psi (
980-1400 kPa)
128-189 psi (
880-1300 kPa)
128-189 psi (
880-1300 kPa)
142-203 psi (
980-1400 kPa)
186-305 psi (1280-2100 kPa)
142-203 psi (
980-1400 kPa)
215-276 psi (1480-1900 kPa)
215-305 psi (1480-2100 kPa)
186-305 psi (1280-2100 kPa)
215-305 psi (1480-2100 kPa)
164-239 psi (1130-1650 kPa)
164-239 psi (1130-1650 kPa)
215-305 psi (1480-2100 kPa)
215-305 psi (1480-2100 kPa)
164-239 psi (1130-1650 kPa)
164-239 psi (1130-1650 kPa)
215-305 psi (1480-2100 kPa)
Table 2-43. Clutch Pressure Tap
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