STV32 · STV36 · STV40, WSM HYDRAULIC SYSTEM
8-S13
(5) Three 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 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
A Engine speed ........ Maximum
A Oil temperature ..... 40 to 60 (104 to 140 )
Lift arm free travel at
maximum raising
position
Factory spec.
5.0 to 15.0 mm
0.197 to 0.591 in.
(1) Position Control Lever (3) Feedback Rod
(2) Position Control Lever Stopper (4) Lock Nut
(at Maximum Raising Position) (5) Adjusting Nut
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