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MOUNTING GROUP (ROPS)
HAND METERING UNIT (HMU)
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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950B
STEERING
SYSTEM
TM 5-3805-258-24-1
SPECIFICATIONS
HYDRAULIC PUMP FOR IMPLEMENT,
STEERING AND PILOT SYSTEMS
(4T6914)
Rotation
is
counterclockwise
when
seen
from drive
end.
Type
of
pump:
VANE.
For
test,
use SAE 10W oil at 65° C
(150°
F).
Opening
pressure
of
relief
valve
. .
2400
~ 340 kPa
(350
f 50
psi)
ata
flow
of . . . . . . . . . . . . . . . . . .
4
liter/rein
(1
U.S.
gpm)
minimum
(1)
Torque
for
bolts
(four)
. . . . . . . . . . . 55 t 7 N.m (4O t 5 lb, ft. )
(2)
Torque
for
bolts
(four)
. . . . . . . 95 f 17 N.i-n
(70
i 5 lb. ft. )
DRIVE
END
SECTION
(Implement)
Test
at Full
Speed:
Output
. . . . . . . . . . . . . . . . . . . . . . . . .
2271iter/min
(60 U.
S.gpm)
ata
pressure
of . . . . . . . . . . . . . . .
690k
Pa(lOO
psi)
with
pump
at . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2092rpm
with
engine
at
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2200
rpm
Output
. . . . . . . . . . . . . . . . . . . . . . . . .
2161iter/min
(57 U,
S.gpm)
ata
pressure
of . . . . . . . . . . . . . . . . . . .
6900
kPa(lOOO pai)
with
pump
at . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2092rpm
with
engine
at . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2200rpm
Test
at
Half
Speed
Output
. . . . . . . . . . . . . . . . . . . . . . . . .
1141iter/min
(30 U.
S.gpm)
ata
pressure
of . . . . . . . . . . . . . . . . . . . . . .
690k
Pa(lOO
psi)
with
pump
at
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1046
rpm
with
engine
at . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1100rpm
Output . . . . . . . . . . . . . . . . . . . . . . . . . . 961iter/min (26 US, gpm)
ata pressure of . . . . . . . . . . . . . . . . . . . . 6900 kPa(lOOO psi)
with pump at . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1046rpm
with engine at . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . llOOrpm
CENTER SECTION (Steering)
Test at Full Speed:
output . . . . . . . . . . . . . . . . . . . . . . .
138 liter/rein (36.5 U.S. gpm)
ata pressure of . . . . . . . . . . . . . . . . . . . . . . 690k Pa(lOO psi)
with pump at . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2092rpm
with engine at . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22r30rpm
Output . . . . . . . . . . . . . . . . . . . . . . . . . 1291iter/min (34 U, S.gpm)
ata pressure of . . . . . . . . . . . . . . . . . . . . 6900 kPa(lOOO psi)
with pump at . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..2092rpm
with engine at...........,.. . . . . . . . . . . . . . . . . 2200rpm
Test at Half Speed:
Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 681iter/min (16 U. S.gpm)
ata pressure of . . . . . . . . . . . . . 690k Pa(lOO psi)
with pump at . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1046rpm
with engine at . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . II Or)rpm
output . . . . . . . . . . . . . . . . . . . . . . . . . . 611iter/min (16 U, S,gpm)
ata pressure of . . . . . . . . . . . . . . . . . . . . 6900 kPa(lOOO psi)
with pump at . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1046rpm
with engine at . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1100rpm
COVER END SECTION (Pilot)
Teat at Full Speed:
Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 liter/rein (5 U.S. gpm)
at a preaaure of . . . . . . . . . . . . . . . . . . . . . . . 690 kPa (100 psi)
with pump at . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2092 rpm
with engine at . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22OO rpm
output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 liter/rein (4.8 U.S. gpm)
at a pressure of . . . . . . . . . . . . . . . . . . 6900 kPa (1000 psi)
with pump at . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2092 rpm
with engine at . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22OO rpm
Teat at Half Speed:
Output . . . . . . . . . . . . . . . . . . . . . 10 liter/rein (2,7 U.S. gpm)
at a pressure of . . . . . . . . . . . . . . . . . . . . . . . . . . 690 kPa (1OO psi)
with pump at . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1046 rpm
with engine at . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11OO rpm
output . . . . . . . . . . . . . . . . . . . . . . . . . .
9.8 liter/rein (2.6 U.S. gpm)
at a pressure of
. . . . . . . . . . . . . . . . . . . . . .
6900 kPa (1000 psi)
with pump at . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1046 rpm
with engine at . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1100 rpm
2-49
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