TM-9-2350-261-20-1 Unit Maintenance Manual Volume 1 M113A2 M577A2 M1064 M1068 M1059 M901A1 Download

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TM 9-2350-261-20-1 STE/ICE-R STARTER CIRCUIT TROUBLESHOOTING 0101 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 0780 00, Item 29) STE/ICE-R Test Set (WP 0780 00, Item 73) P e r s o n n e l R e q u i r e d Unit Mechanic 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) Trim vane lowered (see your -10) Power plant access door open (see your -10) All electrical power off (see your -10) STE/ICE-R hooked up for tests 72 thru 75 (WP 0109 00) STE/ICE-R hooked up for power (WP 0106 00) T 1. Make sure all electrical accessories are off. 2. Set test select switches to 74. 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? TN 1. Go to Offset Fault Isolation. See 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. Install current probe on positive battery cable. 2. Shut off fuel. 3. Press and release test button. 4. When GO appears, crank engine until OFF or ERROR message is displayed (normally 5 seconds). 5. Is a number displayed? YN GO TO BY (PAGE 0101 00-2) 2Y 1. Check if starter circuit resistance is within 5 to 27. 2. Is starter circuit resistance within 5 to 27? 2YN GO TO CY (PAGE 0101 00-3) 0101 00-1