ARMY TM 9-6115-644-24
AIR FORCE TO 35C2-3-446-12
MARINE CORPS TM 09249A/09246A-24/2
h. Start the generator set. Place BATTLE SHORT switch in the ON position before releasing MASTER SWITCH
from START position.
i. Connect multimeter to switch connector pins C and NC. Multimeter shell indicate open circuit.
Connect multimeter across switch connector pins C and NO. Multimeter shall indicate continuity.
k. Shut down generator set. Return BATTLE SHORT switch to OFF position.
I. Disconnect negative battery cable.
m. If switch fails to meet continuity requirements, replace low oil pressure switch.
n. If replacement is not needed, connect electrical leads to low oil pressure switch and remove tags.
o. Close left side engine access doors.
p. Connect negative battery cable and close battery access door.
a. Shut down generator set.
b. Open battery access door and disconnect negative battery cable.
c. Open left side engine access door, tag and disconnect low oil pressure switch (1, FIGURE 2-30) electrical
d. Unscrew low oil pressure switch (1) from oil sample valve assembly.
2-106-3 Cleaning and Inspection
a. Shutdown generator set.
b. Remove low oil pressure switch, paragraph 2-106-2.
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 nor-
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.
Clean low oil pressure switch with dry, filtered compressed air and wipe with a cleaning cloth (Item 8, Appendix
C) Iighty moistened with dry cleaning solvent (item 20, Appendix C).
d. Inspect low oil pressure switch for cracked casing, stripped or damaged threads, corrosion, or other damage.
If no repair is needed, install low oil pressure switch, paragraph 2-106-4.
Install low oil pressure switch (1, FIGURE 2-30) into oil sample valve assembly.
b. Connect electrical leads, remove tags and close left side engine access doors.