8-S12
L2800, L3400, WSM
HYDRAULIC SYSTEM
Position Control Feedback Rod Adjustment
1. Set the position control lever (1) to the lowest position.
2. Start the engine, and after warming-up, set the engine speed to
idle.
3. Move the position control lever (1) to the uppermost position.
4. While pushing the feedback rod forward, turn the adjusting nut (4)
counterclockwise until the relief valve begins to be operated.
5. From the relief valve operating position, turn the adjusting nut (4)
clockwise 2 turns.
6. Tighten the lock nut (5).
7. Set the engine speed to maximum.
8. Move the position control lever (1) to the lowest position and
uppermost position to check the relief valve does not operate.
9. Set the position control lever (1) to the uppermost position, then
move the lift arm to the upper end by hand and measure the free
play.
10.If the measurement is not within the factory specifications, adjust
the position control feedback rod setting length.
To reduce lift arm free play
→
Lengthen the position control
feedback rod (3).
To increase lift arm free play
→
Shorten the position control
feedback rod (3).
W1020369
Lift arm free play at
maximum raising
position
Factory spec.
10 to 15 mm
0.39 to 0.58 in.
(1) Position Control Lever
(2) Stopper
(3) Position Control Feedback Rod
(4) Adjusting Nut
(5) Lock Nut
KiSC issued 08, 2007 A
Tractor Manuals Scotland - Please Do Not Copy
Tractor Manuals Scotland