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BATTERY CHARGING AMMETER SHOWS NO CHARGE WHEN BATTERIES ARE LOW | Up
TM-9-6115-464-34 Generator Set Diesel Engine Driven Tactical Skid Mtd 15 Kw 3 Phase 4 Wire 120/208 and 240/416 Volts Manual | Next
GENERATORS DO NOT PARALLEL PROPERLY. |
ARMY TM 9-6115-464-34
AIR FORCE TO 35C2-3-445-2
NAVY NAVFAC P-8-624-34
Table 2-2. TROUBLESHOOTING (CONTINUED)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 2. Defective undervoltage, short circuit (K-13) or overload relay (K-14).
Replace defective relay assembly (para. 3-89).
NOTE
See DC schematic diagram on left engine cover door for location of relays.
Step 3. Defective contactor switch S3.
Step 4.
Step 5.
Step 6.
Step 7.
Step 8.
Step 9.
Check switch S3. Replace if defective.
Defective main load contactor (figure 3-100).
Repair or replace main load contactor (para 3-84).
Defective short circuit relay K13.
Check relay K13. Replace if defective (para. 3-89).
Defective overload reload relay K14.
Check relay K14. Replace if defective (para. 3-89).
Defective reverse power relay K15.
Check relay K15. Replace if defective (para. 3-89).
Defective undervoltage relay K11 (Precise sets only).
Check relay K11. Replace if defective (para. 3-91).
Defective under-frequency relay K12.
Check relay K12. Replace if defective (para. 3-91).
Step 10. Defective permissive paralleling relay K16.
Check relay K16. Replace if defective (para. 3-91).
NOTE
See DC schematic diagram on left engine cover door for location of relays.
18. GENERATOR TERMINAL VOLTAGE DROPS WHEN LOAD IS APPLIED.
Step 1. Defective voltage regulator assembly (figure 3-130).
Repair voltage regulator assembly (para. 3-92).
2-11
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