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42hW-201601
CHAPTER 6 HYDRAULIC SYSTEM
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3015R(h)/3515R(h)/4015R(h)/F36R(h)/F42R(h) TRACTOR
4.12 POSITION CONTROL
F42W634A
(1) Position control lever
The position control lever (1) is used to control the
position of the 3-point hitch. The control valve and
feedback link mechanism are used to lift and lower
an implement.
The position of the implement can be set by the
position control lever. When it is pushed forward, the
lift arm is lowered. Pulling it lifts the lift arm.
When the position control lever is moved, its link
moves the control valve spool in the hydraulic
cylinder case to the lifting or lowering position.
As soon as the lever stops moving, the spool is
returned to its neutral position to stop the 3-point
hitch.
4.11 OIL COOLER [HST MODEL]
A42W622B
A42W623B
The oil cooler is installed to the face of the radiator
in the engine compartment. Oil is heated while
passing through the steering system and PTO valve.
Thishotoilowsthroughtheoilcoolerwhichlowers
the oil temperature to a proper level enough for the
HST operation.
SPECIFICATIONS
Temperature of oil-intake 90 °C
Heat rejection rate Min 4,400 kcal/h
Core type DRAWN CUP type
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