TM 5-3805-258-24-1
956B HYDRAULIC SYSTEM
SPECIFICATIONS
CONTROL VALVES FOR LIFT,
TILT AND ATTACHMENT
(1)
(2)
(3)
(4)
(5)
(6,7,9,10) Torque toinstall theline relief
valves . . . . . . . . . . . . . . . . . . . . . . . . . .
~25N.m(48~41b.ftJ
(4T2749)
4T470 Springs (outer)
Free length after test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64.5 mm(2.54 in.)
Outside diameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51.41 mm(2.024 in.)
3G8991 Springs (inner):
Length under test force . . . . . . . . . . . . . . . . . . . . . . . . 43.37 mm(l.707 in.)
Test force . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
111 & 6N(25.O f 1.31b.)
Free length after test . . . . . . . . . . . . . . . . . . . . . . . . . . . 75.05 mm(2.955 in.)
Outside diameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
25.79 mm (1.015 in.)
7S8491 Springs for load check valves:
Length under teat force . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25.4 mm (1.00 in.)
Test force . . . . . . . . . . . . . . . . . . . . . . . . . . . .
19.2 + 1.6 N (4.31 * .35 lb.)
Free length after test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41.1 mm (1.82 in.)
Outside diameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30.18 mm (1.188 in.)
1 J8960 Spring for make-up valve:
Length under test force . . . . . . . . . . . . . . . . . . . . . . . . 67.46 mm (2.656 in.)
Test force . . . . . . . . . . . . . . . . . . . . . . . . . . . .
12.4 k 1.0 N (2.78 * .22 lb.)
Free length after test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82.6 mm (3.25 in.)
Outside diameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28.58 mm (1.125 in.)
Length under test force . . . . . . . . . . . . . . . . . . . . . . . . 67.46 mm (2.656 in.)
Test force . . . . . . . . . . . . . . . . . . . . . . . . . . . .
12.4 2 1.0 N (2.78 Y .22 lb.)
Free length after teat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62.6 mm (3.25 in.)
Outside diametw . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26.58 mm (1.125 in.)
Torque for fivetilts . . . . . . . . . . . . 60t4N.m (60~31b. ft.)
(8) Torque to instsll main relief
valve . . . . . . . . . . . . . . . . . . . . . . . . .
110 ~ 10 N*m (SO t 7 lb. ft.)
2-66