HYDRAULIC SYSTEM
M6040, M7040, WSM
8-S11
Adjusting Uppermost Position of Lift Arm
1. Move the position and draft control levers all the way down.
2. Start the engine and set the engine speed at maximum speed.
3. Operate the position control lever to the uppermost position.
4. Measure the distance "L1" between cylinder body end and
cylinder rod end.
5. Raise the lift arm (3) to the top dead center by hand.
6. Measure the distance "L2" and calculate the cylinder free play.
7. If the cylinder free play is not within the factory specifications
adjust the position feedback rod (2).
9Y1210143HYS0009US0
Cylinder free play
"L2 – L1"
Factory specification
5 to 8 mm
0.197 to 0.315 in.
(1) Hydraulic Cylinder
(2) Position Feedback Rod
(3) Lift Arm
(4) Turnbuckle
L1: Distance
L2: Distance
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