wsm L3301 - L4701

HYDRAULIC SYSTEM
L3301, L3901, L4701, WSM
8-S16
(2) L4701
Feedback Rod Adjustment
1. Set the position control lever (1) to the lowest position.
2. Start the engine, and set the engine revolution to idling.
3. Move the position control lever (1) to uppermost position.
4. While pushing feedback rod (3) backward, turn the adjusting nut
(4) clockwise until the relief valve starts working.
5. When relief valve starts operation, turn the adjusting nut (4)
counterclockwise 2 turns.
6. Tighten the lock nut (5) as holding the adjusting nut (4) not to
turn.
7. Set the engine revolution to 1500 min
-1
(rpm).
8. Move the position control lever (1) to lowest position.
9. Move the position control lever (1) to uppermost position.
10. Check the relief valve does not operate. If operates, adjust the
feedback rod again.
11. Measure the lift arm free play.
12. If measurement is not within the factory specification, adjust the
feedback rod length.
• When lift arm free play is large
– Shorten the feedback rod (3)
• When lift arm free play is small
– Lengthen the feedback rod (3)
9Y1211012HYS0008US0
Lift arm free play at
maximum raising
position
Factory specification
10 to 15 mm
0.40 to 0.59 in.
(1) Position Control Lever
(2) Stopper
(3) Feedback Rod
(4) Adjusting Nut
(5) Lock Nut
A: Lift Arm Free Play
KiSC issued 09, 2016 A