Service Manual User Manual

Section 10
10-78
Model 3606 • Origin 10/99
Figure 10– 100. Disconnect the negative (-) battery cable
at the negative (-) battery terminal.
b. Engine Oil Pressure Sender Disassembly
DO NOT disassemble the sender. Replace a defective or
faulty sender with a new one.
c. Engine Oil Pressure Sender Inspection and
Replacement
Inspect the sender and the wiring harness connector ter-
minals for continuity. Replace a defective or faulty sender
with a new one.
d. Engine Oil Pressure Sender Installation and
Testing
1. Thread the sender (Cummins, Fig. 10– 101 or
Perkins, Fig. 10– 98) into the engine block snugly,
then connect the wiring harness connector lead to
the sender.
2. Connect the negative (-) battery cable to its battery
terminal (Fig. 10– 100).
3. Start the engine, allow it to reach operating
temperature, and observe the operators display
panel for sender indication. If the sender is not
defective, the problem could be elsewhere; possibly
in a shorted wire, improper-running engine, defective
display, etc.
OS1040
Negative (-)
Terminal