TM-9-2320-279-34-1
M977 SERIES, 8x8 HEAVY EXPANDED MOBILITY TACTICAL TRUCKS (HEMTT)
TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS DIRECT SUPPORT AND GENERAL SUPPORT, VOLUME 1 OF 3
TM-9-2320-279-34-1 - Page 524 of 709
TM 9-2320-279-34-1
Transmission Maintenance Instructions (Cont)
7-20. CONTROL VALVE BODY REMOVAL/REPAIR/INSTALLATION (CONT).
Table 7-2. Spring Load-Length Specifications
(Cont)
Spring
Second clutch
Length
Length
Text Reference
Without Load
Under Load
Load
Step
Callout
in. (mm)
in. (mm)
lb (N)
No.
No.
2.56
1.94
20 to 22
trimmer valve (primary)
Accumulator
valve
Fourth clutch
trimmer valve (secondary)
Fourth clutch
trimmer valve (primary)
2-3 Relay
valve
1-2 Relay
valve
Governor
accumulator valve
Regulator
valve
1-2 Shift
valve
2-3 Shift
valve
3-4 Shift
valve
3-4 Relay
valve
Trimmer
(65.0)
2.77
(70.4)
1.45
(36.8)
2.27
(57.7)
2.18
(55.4)
1.52
(38.6)
1.84
(46.7)
1.68
(42.7)
2.65
(67.3)
2.51
(63.8)
2.69
(68.3)
2.18
(55.4)
1.33
(49.3)
1.49
(37.9)
1.10
(27.9)
1.94
(49.3)
1.20
(30.5)
1.10
(28.0)
(17.8)
1.15
(29.2)
1.15
(29.2)
1.15
(29.2)
1.15
(29.2)
1.20
(30.5)
0.86
(89.0 to 97.9)
11.6 to 12.8
(51.6 to 56.9)
21.7 to 25.3
(96.6 to 112.6)
9.4 to 11.4
(41.8 to 50.7)
16.2 to 19.8
(72.1 to 88.1)
7.2 to 6.8
(32.0 to 39.1)
9.6 to 10.6
(42.7 to 47.2)
5.14 to 5.36
(22.9 to 23.8)
8.65 to 9.35
(38.5 to 41.6)
10.75 to 11.25
(14.6 to 15.3)
8.9 to 9.6
(12.1 to 13.0)
16.2 to 19.8
(72.1 to 88.1)
2.3 to 2.54
regulator valve
(33.78)
(21.84)
(10.2 to 11.3)
(16)
(39)
(17)
(45)
(18)
(48)
(18)
(47)
(19)
(58)
(20)
(54)
(21)
(61)
(22)
(68)
(24)
(74)
(25)
(80)
(26)
(86)
(27)
(92)
(28)
(96)
7-144
Change 3
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