HYDRAULIC SYSTEM
6-37
D569-W02 May-2003
569W622A
f. Sensitivity Control of Control Valve (MLS)
1. Apply the elevating arm with load of 500 kg (1100
lbs) and move control lever upward to be the center.
This time, the MLS valve is positioned at neutral.
2. Perform a sensitivity control while rotating the pre-
ventative screw (2) counterclockwise using a hex.
wrench until elevating arm is swung.
3. Rotate the preventative screw (2) clockwise until the
elevating arm stops moving and make sure it is
locked at that position.
4. After a completion of the adjustment mentioned
above, rotate the preventative screw (2) 1/4 turns
clockwise to set into position firmly. This time the
sensitivity of the MLS valve will be set to the max.
(1) Lock Nut
(2) Looseness Preventative Screw
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