Sensor #4 - main boom cylinder angle sensor (1), Sensor #5 - main boom transport length switch (1), Main boom cylinder angle (protractor) sensor -39 – JLG 1850SJ Service Manual User Manual

Page 321

SECTION 6 - JLG CONTROL SYSTEM

3121619

– JLG Lift –

6-39

Sensor #4 - Main Boom Cylinder Angle Sensor (1)

This sensor's function is to measure Main Boom angle relative
to the Turntable. A rotary type sensor is mounted to the Turn-

table and attached to the Main Lift cylinder of the base boom.
It is a dual output sensor in a single mechanical body with
electrically opposing signals.

Sensor #5 - Main Boom Transport Length Switch (1)

See (See Figure 6-20.)

This switch is used to indicate Main Boom retracted position
for transport. This is a mechanical limit switch.

LINK

ANGLE SENSOR

Torque 3.4 Nm

Torque 12 Nm

SENSOR

BEI ANGLE

BASE TERMINAL

BOLT,

WASHER

THREADLOCKER

P/N-0100035

BOLT,
THREADLOCKER

P/N-0100035

BOLT,
THREADLOCKER

P/N-0100011

ADAPTER

RING

ANGLE SENSOR

ADAPTER

ANGLE SENSOR

Figure 6-19. Main Boom Cylinder Angle (Protractor) Sensor