TM-9-2350-277-20-1 Unit Maintenance Manual Volume 1 M113A3 M577A3 M1064A3 M1068A3 M58 Download
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TM 9-2350-277-20-1 STE/ICE TEST 73 BATTERY RESISTANCE AND STE/ICE TEST 75 BATTERY RESISTANCE CHANGE (PACK) 0130 00 THIS WORK PACKAGE COVERS: Test (page 0130 00-1). INITIAL SETUP: M a i n t e n a n c e L e v e l Unit P e r s o n n e l R e q u i r e d Unit Mech 63T10 R e f e r e n c e s See your -10 TM 9-4910-571-12&P E q u i p m e n t C o n d i t i o n Engine stopped (see your -10) Vehicle blocked (see your -10) All electrical accessories turned off (see your -10) Fuel OFF, engine must not start (see your -10) STE/ICE hooked up to DCA 6 (WP 0117 00) NOTE Both TEST 73 and TEST 75 must be performed to determine battery pack condition. 1. Select TEST 73. 2. Perform offset test. a. Press and hold TEST button until CAL appears. Release TEST button. b. If VTM reads between -250 and +250, offset test passes. c. If offset test fails, go to STE/ICE DCA current shunt diagnostic troubleshooting (WP 0142 00). 3. Press and release TEST button. a. If VTM display is erratic or cannot be obtained, go to STE/ICE DCA battery voltage diagnostic troubleshooting (WP 0141 00). b. If fault cannot be corrected in (WP 0141 00), go to STE/ICE DCA current shunt diagnostic troubleshooting (WP 0142 00). 4. When GO appears, crank engine over for two seconds or until one of the following appears on display: DISPLAY PERFORM/RESULT OFF Stop cranking and wait for message to appear. A number BATTERY RESISTANCE (go to Step 5) .9.9.9.9 Beyond range of VTM, cannot be measured Error message See TM 9-4910-571-12&P (—) VTM lost power during test. Batteries may be too weak. Try powering VTM using external source. 5. Observe VTM reading. a. If VTM reading is 30 (milliohms) or less, test passes. 0130 00-1