6 boom sensors, Boom elevation limit switch, Boom sensors -11 – JLG T500J Service Manual User Manual
Page 143: Boom elevation limit switch -11
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SECTION 4 - BOOM & PLATFORM
3121200
– JLG Lift –
4-11
4.6 BOOM SENSORS
There are two mechanical sensors that are standard on
the machine which sense the boom state. One is located
on the side of the base boom and senses when the boom
is fully telescoped in. The other sensor, which is mounted
to the side of the upright, senses whether the main boom
is elevated and is activated by a cam on the lift cylinder
bushing.
Boom Elevation Limit Switch
1. Set the limit switch to trip at 3.8° above horizontal
(Main Boom Position).
2. Set the switch to reset at 1° below horizontal (Main
Boom Position).
BOOM
ELEVATION
LIMIT
SWITCH
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