JLG 601S Operator Manual - Manual (Page 26)

SECTION 2 - USER RESPONSIBILITIES, MACHINE PREPARATION, AND INSPECTION
2-6 – JLG Lift – 3121218
2.3 LIMIT SWITCH FUNCTIONAL CHECK
TO AVOID COLLISION AND INJURY IF PLATFORM DOES NOT STOP
WHEN A CONTROL SWITCH OR LEVER IS RELEASED, REMOVE FOOT
FROM FOOTSWITCH OR USE EMERGENCY STOP TO STOP THE
MACHINE.
NOTE: For adjustments see Service Manual - Limit Switch Adjust-
ments.
1. Check elevation limit and boom angle switches as fol-
lows:
a. Make sure the boom is fully lowered and retracted.
b. Verify the capacity indicator starts with the 1000 lb
(450 kg) light on. Raise the boom and verify the
capacity indicator changes to the 500 lb (230 kg)
light.
2. Check capacity limit and boom length switches as fol-
lows:
a. Make sure the boom is fully lowered and retracted.
b. Raise boom to horizontal.
c. Verify the capacity indicator starts with the 1000 lb
(450 kg) light on. Telescope the boom out and verify
the capacity indicator changes to the 500 lb (230
kg) light.
d. Retract the boom and verify the capacity indicator
changes to 1000 lb (450 kg) capacity.
TO AVOID COLLISION AND INJURY IF PLATFORM DOES NOT STOP
WHEN A CONTROL SWITCH OR LEVER IS RELEASED, REMOVE FOOT
FROM FOOTSWITCH OR USE EMERGENCY STOP TO STOP THE
MACHINE.
3. Raise main boom, extend and retract telescope. Check
for delayed movement of fly section, indicating loose
cables.