TM 5-3805-258-24-1
950B STEERING SYSTEM
SPECIFICATIONS
STEERING CONTROL VALVE
(1U4051 and 9T1707)
(1) Cylinder flow balance shims:
5J4776 Shim thickness . . . . . . . . . . . . . . . . . . .005 in. (0.13 mm)
Two 5J4776 Shims will change the steering time
at high idle by approximately. , . . . . . . . . . . . . . . . . . .05 second
4J8224 Shim thickness . . . . . . . . . . . . . . . . . . .010 in. (0.25 mm)
Two 4J6224 Shims will change the steering time
at high idle by approximately . . . . . . . . . . . . . . . . . . . . .1 second
NOTE The addition of shims will cause a faster right turn (stop to
stop) and a slower left turn. The result is opposite when shims
are removed.
(2) 9J5714 Spring for valve spool:
Length under test force . . . . . . . . . . . . . . . . . 1,60 in, (40,6 mm)
Test force . . . . . . . . . . . . . . . . . . . . . . . . .
12.6f 1,4 lb, (56t 6 N)
Free length after test . . . . . . . . . . . . . . . . . . . . 2,18 in, (55,4 mm)
Outside diameter
. . . . . . . . . . . . . . . . . . . . . . .
1.44 in, (36,6 mm)
(3) 9H2367 Spring for check valve:
(4)
(5)
(6)
(7)
(8)
Has no function on this machine.
Shims for flow control valve:
4J6806 Shim thickness . . . . . . . . . . . . . . . . . . ,048 in, (1,22 mm)
one shim will change the steering time (stop to stop) at high
idle by approximately . . . . . . . . . . . . . . . . . . . . . . . . . . . .l second
2J6088 Spring (outer) for flow control valve:
Length under test force ,., . . . . . . . . . . . . . . 1,53 in, (36,9 mm)
Test force . . . . . . . . . . . . . . . . . . . . . . . . . 22,111,11 b,(96t5N)
Free length after test . . . . . . . . . . . . . . . . . . . . 2,34 in, (59,4 mm)
Outside diemeter . . . . . . . . . . . . . . . . . . . . . . .612 in, (20,62 mm)
4J7490 Spring (inner) for flow control valve:
Length under test force . . . . . . . . . . . . . . . . . 1.63 in, (41,4 mm)
Test force . . . . . . . . .’ . . . . . . . . . . . . . . . . . 13.3 f,71b. (59t3N)
Free length after test . . . . . . . . . . . . . . . . . . . . 2,00 in, (50,8 mm)
Outaide diameter . . . . . . . . . . . . . . . . . . . . . . ,600 in, (15.24 mm)
2J6089 Spring for pilot valve:
Color code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . yellow stripe
Length under test force ... ., . . . . . . . . . . . . 1.43 in, (36,3 mm)
Test force . . . . . . . . . . . . . . . . . . . . . . . 67,6 ~3.41b, (301 t15N)
Free length after test . . . . . . . . . . . . . . . . . . . . l,74in. (44,2 mm)
Outside diameter . . . . . . . . . . . . . . . . . . . . . .
.492 in. (12.50 mm)
Pressure relief setting for steering
system . . . . . . . . . . . . . . . . . . .
2500 f 50 psi (17200 i 340 kPa)
Shim for pilot valve spring:
3H2549 Shim thickness . . . . . . . . . . . . . . . . .
,010 in. (0.25 mm)
One 3H2549 Shim will change the relief pressure
by approximately,.., . . . . . . . . . . . . . . . . . . . . . 50psi(340kPa)
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