ARMY TM 9-6115-645-24
AIR FORCE TO 35C2-3-444-12
MARINE CORPS TM 09244A/09245A-24/2
2-107
OIL PRESSURE SENDER.
2-107.1
Testing.
a.
Shut down generator set.
b.
Open battery access door and disconnect negative battery cable.
c.
Open left side engine access doors.
d.
Disconnect electrical lead to oil pressure sender (2., FIGURE 2-30).
e.
Set multimeter for ohms and connect between sender terminal and casing.
f.
Multimeter indication shall be between 216 and 264 ohms. If not, tap side of case and recheck.
g.
Connect negative battery cable.
h.
Start generator set.
i.
As engine is cranking and accelerates to rated speed, observe multimeter. Indication shall decrease to
between 100 and 33 ohms.
j.
Shut down generator set and disconnect negative battery cable.
k
Replace oil pressure sender if indications are not as above.
I.
If replacement is not needed, connect electrical lead to oil pressure sender.
m.
Close left side engine access doors.
n.
Connect negative battery cable and dose battery access door.
2-107.2 Removal.
a.
Shut down generator set.
b.
Open battery access door and disconnect negative battery cable.
c.
Open left side engine access door and disconnect oil pressure sender (2., FIGURE 2-30) electrical lead.
d.
Unscrew oil pressure sender (2.) from engine block
2-107.3 Cleaning and Inspection.
a
Shut down generator set.
b.
Remove oil pressure sender, paragraph 2-107.2.
WARNING
Dry cleaning solvent Is flammable and toxic to eyes, skin, and respiratory tract. Skin/eye
protection required. Avoid repeated prolonged contact Good general ventilation Is normally
adequate.
WARNING
Use low pressure air, 15 psi maximum. Wear protective glasses when using compressed air.
Failure to follow this warning could result in severe personal Injury.
c.
Clean oil pressure sender with dry, filtered compressed air and wipe with a cleaning cloth (Item 8, Appendix
C) lightly moistened with dry cleaning solvent (Item 20, Appendix C).
d.
Inspect oil pressure sender for cracked casing, stripped or damaged threads, corrosion, or other visible
damage.
e.
If no repair is needed, install oil pressure sender, paragraph 2-107.4.
Change 3 2-141
