ARMY TM 9-6115-643-24
AIR FORCE TO 35C2-3-445-22
c. Release control panel by turning two fasteners and lower control panel slowly.
d. Tag and disconnect frequency transducer (38, FIGURE 2-14) electrical leads.
e. Remove screws (37) and frequency transducer (38).
2.51.5.
Installation.
a. Install frequency transducer (38, FIGURE 2-14) with screws (37).
b. Connect all electrical leads and remove tags.
c. Raise and secure control panel.
d. Connect negative battery cable. Close battery access door.
2.52. KILOWATT TRANSDUCER.
2.52.1.
Inspection.
a. Shut down generator set.
b. Inspect transducer for cracked casing, burned or broken terminals, and other damage.
2.52.2. Testing.
a. Start and operate generator set at rated voltage and frequency.
b. Apply some load to generator set.
c. Release control panel by turning two fasteners and lower control panel slowly.
d. Set multimeter for AC volts and take readings between terminals V1 and N1, V2 and N2, and V3 and N3. Multimeter
indication should be 120 VAC between each set of terminals.
e. Take readings between terminals S1 and -, S2 and –, S3 and –, L1 and –, L2 and –, and L3 and-. Multimeter indica-
tion should be 0.1 to 3 VAC (reading will vary depending on amount of load applied to generator set).
f. Change multimeter setting to DC millivolts and take reading between terminals + and –. Multimeter indication
should be 0.1 to 50 mv (dependent on amount of load applied to generator set).
g. Shut down generator set.
h. Replace kilowatt transducer if multimeter indications are within ranges stated in steps d and e, but not within range
stated in step f.
i. If no repair is needed, raise and secure control panel.
2.52.3.
Removal.
a. Shut down generator set.
b. Open battery access door and disconnect negative battery cable.
c. Remove control box top panel, paragraph 2.15.1.
d. Tag and disconnect kilowatt transducer (40, FIGURE 2-14) electrical leads.
e. Remove screws (39) and kilowatt transducer (40).
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