TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 1 Download
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TM 9-2320-280-20-1 STARTER CURRENT AVERAGE TEST #71 Description: This procedure measures the average starter current in the 0 - 1000 amps range. Test requires DCA hookup only. Typical Applications: Check Starter Current. Test Procedure: 1. Disconnect fuel solenoid wire 54A to prevent startimg. 2. Set TEST SELECT switch to 71. 3. Press and hold TEST button until CAL appears on display. 4. Release TEST button and wait for offset value to appear on display. If offset is within -150 to 150, proceed. If not, go to DCA .Troubleshooting Procedure. 5. Press and release TEST button. 6. Crank engine. 7. Observe the displayed starter current. Pre-Test Procedureas Run Confidence Test. Control Functions: 01,02,03,04,08 Possible Error Messages E005 Offset not performed. 2-744