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TM-9-2350-247-20-1 Unit Maintenance Manual Volume 1 M548A1 M548A3 Tracked Cargo Carrier Download

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TM 9-2350-247-20-1 STE/ICE-R BATTERY TROUBLESHOOTING—Continued 0111 00 4Y WARNING Battery posts and cables touched by metal objects can short circuit and burn you. Do not wear jewelry, necklaces, or watches when working on the electrical system. Keep tools away from posts, wires, and terminals. 1. Batteries are OK. 2. If display shows GO, there is a bad connection in the starter circuit. Check cables and connections to starter and repeat test. 3. If GO is still displayed, then you may have a very poor battery in the series pair being tested. Test each battery individually. 4. If display shows .9.9.9.9., there may be a bad connection on the battery being tested. Clean and tighten the connections on the batteries and repeat test. 5. If display shows E013 or .9.9.9.9., the batteries being tested may be in a discharged state. Check batteries’ electrolyte level; charge batteries and repeat test. 6. If display shows E013 three consecutive times, or −−−−, or .9.9.9.9. after batteries have been charged, replace battery. 7. Clamp current probe between batteries and starter. 8. Point arrow on probe toward starter. 9. Set test select switches to 72. 10. Press and release test button. 11. Is a number displayed? YES NO GO TO BY (PAGE 0111 00-4) 5Y 1. Check to see if first peak current reading is within 700 to 1275 amps. 2. Is the first peak current reading within 700 to 1275 amps? YES NO GO TO CY (PAGE 0111 00-5) 0111 00-3