ARMY TM 9-6115-639-13
AIR FORCE TO 35C2-3-386-51
MARINE CORPS TM 10155A-13/1
Table 4-4. Unit Level Troubleshooting (continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
15. BATTLE SHORT INDICATOR WILL NOT ILLUMINATE WHEN BATTLE SHORT SWITCH
IS ON
a. Press FAULT RESET/PUSH TEST.
If indicator does not illuminate, replace fault indicator module (Para. 4-18).
b. Check BATTLE SHORT switch S7 as follows:
(1)
Connect positive (+) probe of multimeter to switch S7-3.
(2)
Connect negative (-) probe to terminal board TB3, test point TP31.
(3)
Place START / RUN / STOP switch in RUN position. Place S7 to On position.
(4)
Zero VDC reading?
If not zero VDC, remove and replace BATTLE SHORT switch (Para. 4-19).
c. Defective fault indicator module A2.
Remove and replace fault indicator module (Para. 4-18).
16. FAN (B2) DOES NOT OPERATE AT HIGH TEMPERATURE
a. Check temperature switch S20 as follows (60 Hz model MEP 831A):
(1)
Connect positive (+) probe of multimeter to switch at S20-2.
(2)
Connect negative (-) probe to terminal board TB3, test point TP35.
(3)
Start generator set. Enclosure temperature must be above 100F.
(4)
120 } 2 VAC present?
If not present, remove and replace temperature switch (Para. 4-48).
b. Check temperature switch S20 as follows (400 Hz model MEP 832A):
(1)
Connect positive (+) probe of multimeter to switch at S20-2.
(2)
Connect negative (-) probe to terminal board TB3, test point TP31.
(3)
Place START / RUN / STOP switch in RUN position. Enclosure temperature must be
above 100F.
(4)
20 to 32 VDC present?
If not present, remove and replace temperature switch (Para. 4-48).
c. Defective fan B2.
Remove and replace fan (Para. 4-48).
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