SRT45 Off-Highway Truck
9-4
Safety, Operation and Maintenance Manual
disc pack.Hydraulically released.
Hold-off pressure
..................................
8.3MPa
(1200 lbf/in
2
)
Steering system
Independent hydrostatic steering with closed-
centre steering valve, accumulator and
pressure compensating piston pump.
Accumulator provides uniform steering
regardless of engine speed. In the event of
loss of engine power it provides steering of
approximately two lock-to-lock turns.
A low pressure indicator light warns of system
pressure below 11.5MPa (1660 lbf/in
2
).
Steering meets ISO 5010 and SAE J53.
Steering angle (left /right)
..........................
±40°
Minimun turning radius(SAE)..............9400mm
Hoist system
It is set up separately from the power hydraulic
system.Two body hoist cylinders are mounted
between the frame rails. Cylinders are two-
stage with power down in the second stage.
System pressure
....................................180bar
(2610 lbf/in
2
)
Hoist pump:
Type
..................................................
Gear type
Capacity at (at 2100 r/min)
................
307 L/min
（81US gal/min）
Control valve:
Type
...............
Servo control, neutral gear open
Body raise time
..........................................
13 s
Body lower time
.........................................
11 s
Body
Longitudinal 'V' type floor with integral
transverse box-section stiffeners. The body is
exhaust heated and rests on resilient impact
absorption pads.
Body wear surfaces are high hardness
abrasion resistant steel.
Plate thicknesses:
Floor
.........................................
18 mm (0.70 in)
Side
..........................................
10 mm (0.39 in)
Technical Data
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