TM-9-2320-361-24-1 Field Maintenance Manual Volume 1 for M44A2 Series Trucks
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TM 9-2320-361-24-1 0018 00 0018 00-27 SIMPLIFIED TEST EQUIPMENT FOR INTERNAL COMBUSTION ENGINE— REPROGRAMMABLE STE/ICE-R NO-GO CHAIN TROUBLESHOOTING (Contd) Table 2. STE/ICE-R No-Go Chain Test (Contd). NO YES MEASURE BATTERY RESISTANCE: • Dial 77 into TEST SELECT switches and push TEST. • If GO appears, press starter switch until OFF appears on VTM display. • If error message appears, refer to TM 9-4910-571-12&P. 4 • Compare reading with resistance change given below. • Check battery electrolyte level. • Clean battery terminals. • Refer to Troubleshooting Index (WP 0011 00) to check battery specific gravity. • Charge battery, if necessary. • Repeat test on this battery. • If battery has been charged and battery resistance change is greater than the limit, replace battery (WP 0127 00). • Is battery resistance charge less than above limit? BATTERY IS OK: • If vehicle has more than one battery, perform test on second battery. • If engine is tight, refer to Mechanical Systems Troubleshooting Index (WP 0007 00) to diagnose engine. NO YES VEHICLE MAXIMUM RESISTANCE CHANGE ALL C1 VEHICLES 25 MILLIOHMS/SECOND VEHICLE MAXIMUM RESISTANCE ALL C1 VEHICLES 13 MILLIOHMS PROMPTING MESSAGE BATTERY TESTS (Contd) NG81 TK MODE • Is battery resistance less than above limit? NOTE In freezing weather, if battery fails crank engine for 5 seconds and retest. This will warm battery slightly. NOTE In freezing weather, if battery fails, crank engine for 5 seconds and retest. This will warm battery slightly. NOTE After completing repair, rerun GO Chain tests (WP 0017 00) to verify that problem is fixed and no other problems exist. • Check battery electrolyte level. • Clean battery terminals. • Refer to Troubleshooting Index (WP 0011 00) to check battery specific gravity. • Charge battery, if necessary.