Lull 944E-42 Service Manual - Manual (Page 189)

9-31 944E-42
Electrical System
5. Unplug the engine boom angle sensor connector (1)
from the wiring harness connector.
6. Loosen and remove the sensor locknut (2).
7. Remove the sensor from the outside of boom frame.
b. Disassembly
DO NOT disassemble the sensor. The sensor is not
serviceable. Replace the sensor if found to be defective.
c. Boom Angle Sensor Installation
1. Install boom angle sensor through outside of boom
frame.
2. Install locknut onto sensor.
3. Measure the clearance between the sensor and
frame, and adjust sensor distance (3) to
0.120”- 0.190” (3,05 - 4,8 mm) and tighten locknut.
4. Properly connect the batteries.
5. Close and secure the engine cover.
9.11.12 Coolant Temperature Switch
a. Coolant Temperature Switch Removal
1. Park the machine on a firm, level surface, level the
machine, fully retract the boom, raise the boom,
place the transmission control lever in
(N) NEUTRAL, engage the park brake and shut the
engine OFF.
2. Place a Do Not Operate Tag on both the ignition key
switch and the steering wheel, stating that the
machine should not be operated.
3. Open the engine cover. Allow the system fluids to
cool.
4. Properly disconnect the batteries.
5. Label and disconnect the wiring connector from the
Coolant Temperature Switch (5).
6. Unthread the switch from the engine.
b. Coolant Temperature Switch Disassembly
DO NOT disassemble the Coolant Temperature Switch.
Replace a defective switch with a new part.
MU4451
3
1
2
MH6430
5