3 - 70
S-100 • S-105 • S-120 • S-125
Part No. 1268494
March 2017
Section 3 • Repair Procedures
LSB2RS:
Safety Limit Switch, 101’ Extend. This
switch cuts power to boom extend, boom down
and engine fuel solenoid when it is mechanically
activated at 101 feet, if boom angle is less than
65
O
.
LSB2RO:
Operational Limit Switch, 100’ Retract.
This switch is activated anytime boom length is
100’ or less. Anytime the boom is being retracted
while this switch is activated, the BN lockout valve
is activated allowing hydraulic flow out of the inner
cylinder.
LSB19LO:
Operational Limit Switch, Down
Overload. This switch disables all functions except
boom retract and boom up and activates a medi-
um frequency alarm and the boom down overload
diagnostic code.
LST1O:
Operational Limit Switch, Drive Enable.
This switch is activated when the turntable is rotat-
ed in the standard drive zone.
Turntable Level Sensor:
Measures the X axis
and Y axis of the turntable. The alarm sounds at
4.5
O
.
Platform Level Sensor:
Measures the angle of
the platform. The range of measurement is +/- 20
O
.
The safety cutout is set at +/- 10
O
from gravity and
will disable the primary and secondary boom up/
down functions and the platform level up/down
functions.
LIMIT SWITCHES
Summary of Contents for S-100
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