Kubota WSM L3540-II, Workshop Manual

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HYDRAULIC SYSTEM L3540-II, L4240-II, L5040-II, L5240-II, L5740-II , WSM
8-S13
[4] POSITION CONTROL ROD
Adjusting Uppermost Position of Lift Arm
1. Set the position control lever (1) to the lowest position.
2. Start the engine, and after warming-up, set the engine speed at
the idling.
3. Move the position control lever (1) to the uppermost position.
[Contact to the position control lever stopper (2).]
4. While pulling the feedback rod to the rear, turn the adjusting nut
(4) clockwise until the relief valve begins to be operated.
5. From the relief valve operating position, turn back the adjusting
nut (4) counterclockwise by 2 turns.
6. Tighten the lock nut (5).
7. Set the engine speed at the 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 →
Shorten the position control feedback rod setting length.
• To increase lift arm free play →
Lengthen the position control feedback rod setting length.
9Y1211167HYS0010US0
Lift arm free play at
maximum raising
position
Factory specification
10 to 15 mm
0.39 to 0.59 in.
(1) Position Control Lever
(2) Stopper
(3) Position Control Feedback Rod (4) Adjusting Nut
(5) Lock Nut
KiSC issued 02, 2015 A