ARMY TM 9-6115-641-24
AIR FORCE TO 35C2-3-456-12
2-91. OIL PRESSURE SENDER.
2-91-1.
a.
b.
c.
d.
e.
f.
9.
h.
2-91-2.
a.
b.
c.
d.
2-91-3.
a.
b.
c.
d.
e.
2-91-4.
a.
b.
Testing.
Shut down generator set.
Open left side engine access door.
Disconnect electrical lead from oil pressure sender (2, Figure 2-25).
Set multimeter for ohms and connect to oil pressure sender terminal and casing. Multimeter should indicate
216 to 264 ohms.
Start generator set and observe multimeter. As the engine cranks and accelerates to rated speed, the multime-
ter indication should decrease to a value between 100 ohms and 33 ohms.
Shut down generator set.
Replace oil pressure sender if above resistance requirements are not met.
Connect electrical lead and close left side engine access door.
Removal.
Shut down generator set.
Open left side engine access door and disconnect negative battery cable.
Tag and disconnect oil pressure sender (2, Figure 2-25) electrical lead.
Unscrew oil pressure sender (2) from fitting on left side rear engine wall.
Cleaning and Inspection.
Remove oil pressure sender, paragraph 2-91-2.
Use clean, low pressure air, 30 psi maximum. Wear protective glasses when using
compressed air. Failure to follow these instructions could result In eye injury.
Dry cleaning solvent is flammable and toxic to eyes, skin, and respiratory tract.
Skin/eye protection required. Avoid repeated/proIonged contact. Good general
ventilation is normally adequate.
Clean oil pressure sender with dry, filtered compressed air and wipe with cleaning cloth (Item 6, Appendix C)
lightly moistened with approved solvent (Item 18, Appendix C).
Inspect oil pressure sender for cracked casing, stripped or damaged threads, corrosion, or other visible dam-
age.
Inspect oil line (3, Figure 2-25) for deterioration and damage.
Install oil pressure sender, paragraph 2-91-4.
Installation.
Screw oil pressure sender (2, Figure 2-25) into fitting on left side rear engine wall.
Install electrical lead and remove tag.
c.
Install negative battery cable and close access door.
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