Electrical System
9.30
3507, 3508, 3509, 3512, 3513, 4007, 4008, 4009, 4012, 4013
9.12.7 Engine Oil Pressure Sender
The engine oil pressure sender is located below the
injector pump.
a. Engine Oil Pressure Sender Removal
1. Park the machine on a firm, level surface, level the
machine, fully retract the boom, lower 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 engine to cool.
4. Disconnect the battery negative (-) cable at the
battery negative (-) terminal.
5. Unplug the engine oil pressure sender connector
from the wiring harness connector.
6. The sender is threaded into the engine block.
Remove the sender.
b. Engine Oil Pressure Sender Inspection and
Replacement
Inspect the sender and the wiring harness connector
terminals for continuity. Replace a defective or faulty
sender with a new part.
c. Engine Oil Pressure Sender Installation and
Testing
1. Thread the engine oil pressure sender into the
engine block snugly, then connect the sender
connector to the wiring harness connector.
2. Connect the battery negative (-) cable to the battery
negative (-) terminal.
3. Check for proper oil level.
4. Start the engine, and observe the operator’s display
for warning indication. If the sender is not defective,
the problem could be elsewhere; possibly in a a
shorted wire, improper-running engine, low oil,
obstructed or faulty oil pump, defective instrument
display.
5. Close and secure the engine cover.
9.12.8 Boom Angle Sensor
The boom angle sensor (11) is located at the top left
inside rear of the machine.
a. Boom Angle Sensor Removal
1. Park the machine on a firm, level surface, level the
machine, fully retract the boom, lower 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 engine to cool.
4. Disconnect the battery negative (-) cable at the
battery negative (-) terminal.
5. Disconnect the boom angle sensor electrical
connector.
6. Loosen and remove the nut holding the rod
assembly to the sensor arm.
7. Loosen and remove the two bolts holding the sensor
to the sensor seat.
8. Remove the sensor assembly.
b. Boom Angle Sensor Inspection and Replacement
Inspect the sensor and the wiring harness connector
terminals for continuity. Replace a defective or faulty
sensor with a new sensor.
MZ1320
256.5 mm (10 in)
11
Courtesy of Crane.Market
To Next Page
Loading...
