TM 9-2320-279-34-1
Transmission Maintenance Instructions (Cont)
(28)
Remove retaining pin (94), valve stop (95), valve spring (96), and trimmer regulator valve (97)
from control valve body (5).
c.
Cleaning/Inspection.
WARNING
Adhesives, solvents, and sealing compounds can burn easily, can give off harmful
vapors, and are harmful to skin and clothing. To avoid injury or death, keep away
from open fire and use in well-ventilated area. If adhesive, solvent, or sealing
compound gets on skin or clothing, wash immediately with soap and water.
(1)
Clean all metallic parts with drycleaning solvent.
(2)
Inspect all valves, valve stops, and plugs for damage. Replace damaged parts.
(3)
Inspect bores and surfaces of control valve body for damage.
(4)
Replace springs which do not meet load-length specifications listed in Table 7-2.
Table 7-2. Spring Load-Length Specifications
Spring
Lubrication
Length
Length
Text Reference
Without Load
Under Load
Load
Step
Callout
in. (mm)
in. (mm)
lb (N)
No.
No.
2.56
1.97
35.72 to 39.48
(7)
(14)
check valve
Modulator
valve
Priority
valve
Third clutch
trimmer valve (primary)
Third clutch
trimmer valve (secondary)
First clutch
trimmer valve (secondary)
First clutch
trimmer valve (primary)
Second clutch
trimmer valve (secondary)
(65.0)
1.47
(37.3)
1.17
(29.7)
2.27
(57.7)
1.45
(36.8)
1.69
(42.9)
2.96
(75.2)
1.95
(49.5)
(50.0)
0.80
(20.3)
0.94
(23.9)
1.94
(49.3)
1.10
(27.9)
1.10
(27.9)
1.10
(27.9)
1.10
(27.9)
(158.9 to 175.6)
11.9 to 13.1
(52.9 to 58.3)
8.15 to 9.25
(36.3 to 41.2)
9.4 to 11.4
(41.8 to 50.7)
20.7 to 25.3
(92.52 to 112.5)
32.6 to 39.8
(145.0 to 177.0)
15.95 to 17.65
(70.9 to 78.5)
29.0 to 35.4
(128.9 to 157.5)
(9)
(19)
(10)
(23)
(14)
(29)
(14)
(30)
(15)
(34)
(15)
(35)
(16)
(40)
Change 3
7-143
