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4 — MAINTENANCE
4-19
Adjusting Outrigger Position Switches
The outrigger position switches are set up to detect when the boom lift load is transferred
from the trailer wheels to the outriggers. When the load is transferred to each outrigger,
the related position switch is engaged and the related LED lights up on the control panel.
All four position switch circuits must be engaged to enable lift boom operation. Use the
following procedure to check and adjust the outrigger position switches.
1. Inspect the outrigger position switches for loose mounting or visible damage. If
the mounting hardware is loose, tighten the hardware. If a position switch is
damaged, replace the switch.
2. Lower the outriggers and raise the trailer wheels off the ground. Verify that all
four outrigger LEDs light up.
3. If an LED is lit before the outrigger is lowered or if an LED fails to light when
the outrigger is lowered, check the adjustment of the related outrigger position
switch as follows:
a. Measure the distance between the actuator roller and the outrigger pivot,
Figure 4-13. The roller should be 1/8 inch (3 mm) from the outrigger pivot.
Adjust the actuator as needed.
b. If the actuator is correctly adjusted, but the LED fails to light up or go dim,
check the switch, LED, and wiring. Repair or replace the faulty component.
Refer to the detailed electrical diagram in Figure 4-15.
OUTRIGGER
POSITION SWITCH
OUTRIGGER
PIVOT
POSITION SWITCH
TRIP POINT
ACTUATOR
ROLLER
Figure 4-13. Outrigger Position Switch