ARMY TM 9-6115-643-24
AIR FORCE TO 35C2-3-445-22
TABLE 2-6. UNIT TROUBLESHOOTING - Continued.
TEST OR INSPECTION
Step 5. Check for defective load measuring unit, paragraph 2.64.1.
If load measuring unit is not defective, and trouble persists, notify next higher level
If defective, replace load measuring unit, paragraph 2.64.3.
FREQUENCY METER (HERTZ) FREQUENCY FLUCTUATES.
Step 1. Check for erratic engine operation. Refer to Malfunction 4 Engine Runs Erratically or
Stalls Frequently. If engine is operating properly, do Step 2.
Step 2. Test for defective frequency transducer, paragraphs 2-51-2 or 2-51-3.
If frequency transducer is not defective, do Step 3.
If defective, replace frequency transducer, paragraph 2-51.
Step 2. Test for defective FREQUENCY meter (HERTZ), paragraphs 2-28-2 or 2-28-3.
If defective, replace FREQUENCY meter (HERTZ), paragraph 2-28.
NO VOLTAGE AT CONVENIENCE RECEPTACLE.
Step 1. Open control panel and inspect circuit interrupter on side of Ground Fault Circuit
If devices is tripped, reset device for generator sets, contract number DAAK01-94-
For generator sets, contract number DAAK01-88-D-D082, check in-line fuse on black
lead of Ground Fault Circuit Interrupter.
If device is not tripped, do Step 2.
Step 2. Check Ground Fault Circuit Interrupter.
If indicator is tripped, reset by pressing RESET button.
If Indicator is not tripped, do Step 3
Step 3 Check voltage across convenience receptacle.
If voltage is present, replace convenience receptacle.
If voltage is not present, do Step 4.
Step 4. Check voltage across Terminals 4 and 6 no TB-5.
If voltage is present, replace Ground Fault Circuit Interrupter.
If voltage IS not present, search for loose or broken wires or loose pin in connectors.
2-24 Change 4