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TM 10-4320-343-14
Table 4-2.1. Unit Troubleshooting Table (Model 350 PAFN). (Continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
6. AMMETER READING LOW DURING OPERATION.
WARNING
Do not smoke and or use spark or flame producing equipment while
troubleshooting.
Move equipment off line and have a fire extinguisher at hand when troubleshooting
involves electrical circuits.
Failure to heed these warnings can result in death or serious injury of personnel.
NOTE
Ammeter pointer should indicate an approximate charge rate of 5 to 10 Amps when
equipment is operating.
Step 1
Check for broken or loose alternator belt (item 4, Figure 4-11).
Replace alternator belt (paragraph 4.10.7), if broken or badly worn and/or adjust belt as required.
Step 2
Remove control panel cover and check for 12 to 14 Vdc at ammeter contacts (Figure 4-42.1), using a
multimeter.
Replace ammeter (paragraph 4.13.5), if voltage is not obtained.
Step 3
Test control panel (paragraph 4.13.2.1).
Repair control panel (paragraph 4.13.3 through 4.13.10) if defective.
Step 4
Test system wiring (paragraph 4.12.4.1).
Replace system wiring harness (paragraph 4.12.5.1) and/or repair individual defective wires.
Step 5
Test alternator (paragraph 4.10.11).
Replace alternator (paragraph 4.10.12), if defective.
7. INOPERABLE PANEL LIGHTS.
WARNING
Do not smoke or use spark or flame producing equipment while troubleshooting.
Move equipment off line and have a fire extinguisher at hand when troubleshooting
involves electrical circuits.
4-10.8 Change 1
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