ARMY TM 9-6115-645-24
AIR FORCE TO 35C2-3-444-12
MARINE CORPS TM 09244A/09245A-24/2
2-110
MAGNETIC PICKUP.
2-110.1 Removal.
a.
Shut down generator set.
b.
Open battery access door and disconnect negative battery cable.
c.
Open left side engine access doors, tag and disconnect magnetic pickup (6, FIGURE 2-30) electrical leads.
d.
Loosen lock nut (7) and remove magnetic pickup (6) from flywheel housing.
2-110.2 Cleaning and Inspection.
a.
Shut down generator set.
b.
Remove magnetic pickup, paragraph 2-110.1.
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 magnetic pickup 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 magnetic pickup for cracked casing, stripped or damaged threads, corrosion, or other visible damage.
e.
If no repair is needed, install magnetic pickup, paragraph 2-110.3.
2-110.3 Installation.
a.
Screw magnetic pickup (6., FIGURE 2-30) into flywheel housing until contact is made with top surface of gear
tooth on flywheel. Back magnetic pickup out one complete revolution and tighten nut (7).
b.
Connect electrical leads and remove tags.
c.
Connect negative battery cable. Close battery access door.
d.
Adjust magnetic pickup in accordance with paragraph 2-110.4.
e.
Close left side engine access doors.
2-110.4 Adjustment.
a.
Release control panel by turning two fasteners and lower control panel slowly.
b.
Disconnect wire 147C from terminal 16 and wire 148C from terminal 17 of governor control unit.
c.
Set multimeter for ohms and connect to ends of disconnected wires 147C and 148C. Multimeter should
indicate between 800 and 1100 ohms.
d
Leave multimeter connected to wires 147C and 148C and set multimeter for AC volts.
e.
Crank engine with DEAD CRANK switch and observe multimeter. Multimeter indication should be between
2.0 and 3.0 VAC
Change 4 2-145
