JLG 120-SXJ Service Manual - Manual (Page 61)

SECTION 4 - BOOM & PLATFORM
3121810 – JLG Lift – 4-13
4.3 WEAR PADS
Shim up wear pads to within 1.6 mm (1/16 in.) tolerance
between wear pad and adjacent surface.
Replace wear pads when worn within 3.2 mm (1/8 in.) of
threaded insert.
4.4 LIMIT SWITCH ADJUSTMENTS
Boom Limit Switch
The boom limit switch is located on the left side of the
base section of the boom. The switch will activate when
the boom is extended past a set point with the axles
retracted. When activated, the switch cuts out Telescope
Out and Lift Up. Adjust the limit switch to trip at 3 meters
(10 feet) of boom extension.
Horizontal Cut-Out Switch
The horizontal cut-out switch is located on the right side of
the boom at the boom pivot pin. When activated, the
switch cuts out the High Engine, High Drive and 2 Speed
functions. Adjust the switch to activate when the boom
reaches horizontal.