
103
MicroController Control System
Testing And Adjusting
Lift Sensor
1.
Disconnect the battery and discharge the head
capacitor.
Lift Sensor Adjustment
(1) Lift Sensor(transducer) (2) Magnet. (3) Screw.
(4) Setscrew. (A) 1.0 mm (.039 in) Clearance.
NOTICE
Lift sensor may be damaged. Do not allow the magnet
(2) to make contact with the plastic bracket when the
lift lever is activated.
2.
Loosen setscrew (4).
3.
Adjust screw (3) to make clearance (A) 1.0mm
(.039 in) between lift sensor (1) and magnet (2)
when the lift lever is activated fully (pulled all the
way back).
4.
Tighten setscrew (4). Check lift sensor circuit. The
valve control card may need adjusting.
1
3
2
4
Valve Control Card Adjustment
The lift truck can move suddenly. Injury to
personnel or damage to the lift truck is possible.
Safety lift the drive wheels off the floor. Put blocks
of wood under the frame so both drive wheels are
free to turn. Keep away from drive wheels that turn.
1.
Verify the lift sensor clearance is adjusted correctly.
2.
Disconnect all tilt and auxiliary switch connectors.
3.
Place the lift truck in “Quick” diagnostics so that the
display shows the lift speed.
Valve Control Card Adjustment
(1) P1 Potentiometer. (2) P2 Potentiometer.
4.
Turn potentiometer P1 (1) fully counterclockwise
unitl a clicking sound is heard (roughly 20 turns).
5.
Turn potentiometer P2 (2) fully counterclockwise
until a clicking sound is heard (roughly 20 turns).
6.
Turn potentiometer P2 (1) 15 full turns clockwise.
7.
Position the lift lever just prior to the hydraulic valve
opening. Adjust P1(1) clockwise until a “1” is
obtained on the display.
WARNING
1 2
Содержание B20S-3
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