ARMY TM 9-6115-643-24
AIR FORCE TO 35C2-3-445-22
c. Clean magnetic pickup with dry, filtered compressed air and wipe with a cleaning cloth (Item 7, Appendix C) lightly
moistened with dry cleaning solvent (Item 18, 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 2.108.3.
Install bushing (16, FIGURE 2-31) into flywheel housing.
b. Screw magnetic pickup (4) into flywheel housing until pickup bottoms out on top surface of gear tooth
on flywheel. Back magnetic pickup out 1 turn and tighten lock nut (5).
c. Connect electrical leads and remove tags.
d. Connect negative battery cable. Close battery access door.
e. Adjust magnetic pickup in accordance with paragraph 2.108.4.
f. Close right side access door.
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 900 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
Do not adjust magnetic pickup inward more than one eighth turn each
time, or damage to magnetic pickup may result.
f. To adjust output voltage in step e, loosen jam nut and turn magnetic pickup in no more than one-eighth turn at a
time to increase output voltage, and out no more than one-eighth turn at a time to decrease output voltage. Tighten
g. Repeat steps e and f until proper output voltage is achieved
h. Remove multimeter, connect wires to governor control unit.
i. Raise and secure control panel.
2.109. DEAD CRANK SWITCH.
a. Shut down generator set
b. Open battery access door and disconnect negative battery cable.
c. Open right side engine access door.