ARMY TM 9-2815-255-24 AIR FORCE TO 38G1-95-2 MARINE CORPS TM 2815-24/4 TABLE 3-2.  Troubleshooting - Continued MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION 17.  BATTERY CHARGER AMMETER SHOWS NO CHARGE WHEN BATTERIES ARE LOW. Step 1.  Check for broken or loose fan belts. a. Inspect fan belts.  Refer to end item maintenance manual.  If belts not loose or broken, do step 2. b. Adjust or replace fan belts.  Refer to end item maintenance manual. Step 2.  Test for defective battery charging alternator. a. Inspect and test battery charging alternator.  Refer to paragraph 3-11.  If alternator not defective, do step 3. b. Repair or replace battery charging alternator.  Refer to paragraph 3-11. Step 3.  Check for breaks or loose connections in charging circuit. If breaks or loose connections are found, repair charging circuit.  Refer to end item maintenance manual. 18.  BATTERY CHARGE AMMETER SHOWS ECESSIVE CHARGING AFTER PROLONGED PERIOD. Step 1.  Check for defective batteries. a. Test batteries.  Refer to end item maintenance manual.  If batteries not defective, do step 2. b. Replace batteries.  Refer to end item maintenance manual. Step 2.  Test for defective battery charging alternator. a. Inspect and test battery charging alternator.  Refer to paragraph 3-11.  If alternator not defective, do step 3. b. Repair or replace battery charging alternator.  Refer to paragraph 3-11. 3-14