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 0111 00 INITIAL SETUP: M a i n t e n a n c e L e v e l Unit T o o l s a n d S p e c i a l T o o l s General Mechanic’s Tool Kit (WP 0541 00, Item 57) STE/ICE-R Test Set (WP 0541 00, Item 6) P e r s o n n e l R e q u i r e d Unit Mechanic R e f e r e n c e s See your -10 TM 9-4910-571-12&P (WP 0052 00) E q u i p m e n t C o n d i t i o n Engine stopped (see your -10) Carrier blocked (see your -10) Fuel off, engine must not start (see your -10) All electrical power off (see your -10) Driver’s seat raised (see your -10) STE/ICE-R starter circuit test hooked up (WP 0116 00) STE/ICE-R power hooked up (WP 0114 00) T 1. Make sure all electrical accessories are off. 2. Set test select switches to 75. 3. Press and hold test button until CAL appears on display. 4. Release test button, wait for offset value to appear on display. 5. Is offset value within −225 to +225? YES NO TN 1. Go to offset fault isolation TM 9-4910-571-12&P. 2. Verify no faults found. Y NOTE While cranking engine with bad or discharged batteries, it is possible for VTM to lose power and come on again after cranking has stopped. If this occurs, clean battery posts and clamps. If they are loose or corroded, correct them and repeat test. 1. Press and release test button. 2. When GO appears, engage starter switch for two seconds or until OFF is displayed. 3. Is test value displayed? YES NO YN 1. If display shows GO, there is a bad connection in the starter circuit. Check cables and connections to starter and repeat test. 2. If GO is still displayed, then you may have a very poor battery in the series pair being tested. 3. If display shows .9.9.9.9., there may be a bad connection on the batteries being tested. Clean and tighten the connections on the batteries and repeat test. 4. If display shows −−−− or .9.9.9.9., the batteries being tested may be in a discharged state. Check batteries’ electrolyte level; charge batteries and repeat test. 5. If display shows E013 three times, or −−−−, or .9.9.9.9. after batteries have been charged, replace batteries. 6. Verify no faults found. 0111 00-1