10.13.15 Engine Low Oil Pressure Sender - JLG sky trak mmv Service Manual

Electrical System

10.13.15 Engine Low Oil Pressure Sender

The engine oil pressure sender (1) is located on the en-
gine and is connected via the engine wiring harness,
bulkhead connector and cab wiring harness to the opera-
tor's display panel.
The operator's display panel indicator (3) illuminates
when engine oil pressure is too low to properly lubricate
the engine. The warning indicator illuminates when oil
pressure is below 8.7 psi (0,6 bar) and an audible alarm
will also sound. When the engine has attained normal oil
pressure, the sender opens and the operator's display
panel indicator and alarm turn OFF. (Refer to Section
10.9.6, Engine Oil Pressure Warning Indicator Trouble-
shooting .)
3
10.162
a. Engine Oil Pressure Sender Removal
1. Remove engine side battery box cover (4). Remove
2. Disconnect the negative (-) battery cable (7) at the
3. Disconnect the negative (-) cable (8) at the bottom of
4. Unplug the engine low oil pressure sender
1
2
MT2390
4
5. The sender (1) is threaded into the engine block.
b. Engine Oil Pressure Sender Disassembly
DO NOT disassemble the sender. Replace a defective or
faulty sender.
c. Engine Oil Pressure Sender Inspection and
Inspect the sender and the wiring harness connector ter-
minals for continuity. Replace a defective or faulty sender
MM1921
with a new one.
d. Engine Oil Pressure Sender Installation and
1. Thread the sender (1) into the engine block snugly,
wing nuts (5) and carriage bolts (6) and set cover
and mounting hardware aside for later re-assembly.
battery negative (-) terminal on the battery in the
engine side battery box.
the battery equalizer (9).
connector (2) from the wiring harness connector.
5
6
Remove the sender.
Replacement
Testing
then connect the wiring harness connector lead to
the engine low oil pressure sender connector (2).
9
8
7
MM2911
Model MMV Rev. 12-04