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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
(1) Bracket assy, pedal
(2)Hexangebolt
(3) Bush
(4) Shaft assy, front
(5) Shaft assy, rear
(6) Roller
(7) Snap ring
(8) Pedal ass'y, front
(9) Pedal ass'y, rear
(10) Spring pin
(11) Pedal cover
(12) Damper
(13) Snap pin
(14) Plain washer
(15) Switch(fr)
(16) Bolt w/washer
(17) Cruise magnet
(18)Hexangebolt
(19) Joint
(20) Hexagon socket bolt
(21) Arm ass'y
(22) Ball bearing
(23) Snap ring
(24) Bush
(25) Shaft
(26) Bolt w/washer
(27) Holder assy, spring
(28) Spring
(29) Bolt
(30) Hex nut
(31) Wire
(32) Snap pin
(33) Rod assy
(34) Bracket assy, cruise
(35) Snap pin
The forward and reverse driving pedals are installed at different hinge point shafts (4 & 5) and they are
interlinked.
Therefore, when the forward driving pedal is depressed, the reverse driving pedal is lifted and vice versa.
There is the rod (33) between the forward driving pedal and connecting joint (19). The connecting joint is
rotated for the amount of movement of the pedal in the reverse direction for the forward/backward driving.
The connecting joint is connected to the swash plate of the HST. While it is turned clockwise or
counterclockwise, it determines the driving direction (forward/reverse) and driving speed. Also, the connecting
joint is engaged with the neutral control bracket (21). This neutral control bracket has the ball bearing (22)
which slides along the curve of the connecting joint according to the rotating direction of the joint, moving
the neutral control bracket accordingly. Then, its motion in the same direction for the connecting joint pulls or
release the HST accelerator cable (31), which is connected to the neutral control bracket, to determine the
engine speed.
Also, the safe start neutral switch (15) is connected to the rear bracket of the forward driving pedal to detect
theneutral position.The cruise control bracket(34)isattached withthe electromagnet(17) whichxesthe
forward driving pedal atthe specied position in the cruise control mode to maintain the constant driving
speed.