
104
MicroController Control System
Testing And Adjusting
8.
Pull the lift lever all the way back. A “10” must be
displayed.
9.
If a “10” is not displayed, adjust P2 (2) clockwise
until it is.
10.
Release the lift lever and adjust P1
counterclockwise until a “A0” is displayed.
11.
Repeat steps 9 and 10 until “A0” to “10” speeds
correct.
12.
Put the lift truck back in the run mode so the
actual hydraulics can be tested.
13.
Connect the battery, close the seat switch and
turn the key to ON.
14.
Pull the lift lever back until the pump motor turns
on. The forks must not move. Adjust P1 so the
motor starts just before the valve opens.
If the valve opens before the motor turns on, adjust
P1 (1) clockwise.
If the motor turns on too far in advance of the valve
opening, adjust P1 (1) counterclockwise.
Tilt and Auxiliary Switch Adjustment
Because each tilt and auxiliary switch can turn on the
pump motor, it is recommended that only one be
connected to start with. After adjusting the first switch
proceed with the next one.
1.
Disconnect the battery and discharge the head
capacitor. Disconnect all but one switch connector.
Tilt and Auxiliary Switch Adjustment
(1) Screw. (2) Screws.
2.
With valve spool in neutral position, loosen screws
(2) and adjust screw (1) to center the switch roller
on cam.
3.
After adjusting switch in or out to obtain correct
switch point, tighten screws (1) and (2) to lock
switch into position.
4.
Connect the battery, close the seat switch and turn
the key to on. Readjust switch if needed, so that
the pump motor turns on before the control valve
opens.
This must be adjusted for each lever direction
(pushed or pulled).
5.
Connect the next switch and repeat this proccdure.
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Содержание B20S-3
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