wsm STW37 - 3-Point Hydraulic System

HYDRAULIC SYSTEM
STW34, STW37, STW40, WSM
8-S11
(5) 3-Point Hydraulic System
Adjusting Feedback Rod
1. Set the position control lever (1) to the floating position.
2. Start the engine, and after warming-up, set the engine speed at
1000 to 1500 min
-1
(rpm).
3. Set the position control lever stopper (2) to the maximum raising
position.
4. Move the position control lever (1) to the maximum raising
position. (See photo).
5. Turn the adjusting nut (5) and lock nut (4) until the relief valve
begins to be operated. (Turn to clockwise).
6. Then turn back the adjusting nut (5) counterclockwise by 2 turn.
7. Tighten the lock nut (4) and set the engine speed to maximum.
8. Move the position control lever to the lowest position and
maximum raising position (3 to 5 times to check the relief valve
does not operate).
9. Set the position control lever to the maximum raising position,
then move the lift arm to the upper end by hand and measure
the free travel.
10. Stop the engine.
11. If the measurement is not within the factory specification,
adjusting position control rod again.
Condition
• Engine speed:
Maximum
• Oil temperature:
40 to 60 °C (104 to 140 °F)
9Y1211109HYS0011US0
Lift arm free travel at
maximum raising
position
Factory specification
12 to 17 mm
0.48 to 0.66 in.
(1) Position Control Lever
(2) Position Control Lever Stopper
(at Maximum Raising Position)
(3) Feedback Rod
(4) Lock Nut
(5) Adjusting Nut
KiSC issued 11, 2014 A