HYDRAULIC SYSTEM
L3301, L3901, L4701, WSM
8-S15
[5] POSITION CONTROL ROD
(1) L3301/L3901
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) forward, turn the adjusting nut
(5) counterclockwise until the relief valve starts working.
5. When relief valve starts operation, turn the adjusting nut (5)
clockwise 2 turns.
6. Tighten the lock nut (4) as holding the adjusting nut (5) not to
turn.
7. Set the engine revolution to maximum.
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
– Lengthen the feedback rod (3)
• When lift arm free play is small
– Shorten the feedback rod (3)
9Y1211012HYS0007US0
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) Lock Nut
(5) Adjusting Nut
A: Lift Arm Free Play
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