Service manual

SECTION 3 - CHASSIS & SCISSOR ARMS

3121122 – JLG Lift – 3-5

Tilt Sensor, JLG P/N 4000021:

NOTE: Refer to Figure 3-4., Tilt Sensor Removal for num-

bers in parenthesis.

1. Disconnect the batteries.

2. Open the Ground Control Box to gain access to the

Tilt Sensor Assembly.

3. Remove the four Screws (3), Lockwashers (4),

Standoff Insulators (5), and Washers (6) to remove

the Tilt Sensor (1) and Sensor Mount (2) from the

Ground Control Box.

4. The Tilt Sensor (1) can be removed from the Sensor

Mount (2) by removing the three Screws (7).

NOTE: Follow the above procedures in reverse order when

installing the tilt sensor assembly. After installing, be

sure to calibrate the tilt sensor (refer to Section 3.1,

Calibrations).

1. Ground Control Box

2. Tilt Sensor Assembly (JLG P/N 1810140)

Figure 3-3. Tilt Sensor Location

Table 3-2. Tilt Sensor Harness

Wire Color Function Connector Pin

Red VCC 1

Green PWMX 2

White PWMY 3

Black Ground 4

1. Tilt Sensor (JLG P/N 4000021)

2. Sensor Mount

3. Screw, 6-32 x 1

4. Lockwasher

5. Standoff Insulator

6. Washer, 0.313 x 0.250 Nylon

7. Screw, M3.5 x 0.6 x 10

Figure 3-4. Tilt Sensor Removal