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STEERING CYLINDERS
NEUTRALIZER VALVES
TM-5-3805-258-24-1 Loader Scoop Type DED 4x4 Articulated Frame Steer 2 1/2 Cubic Yard Bucket (CCE) Airborne/Airmobile Manual
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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)
2-52
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