TM-9-2320-387-24 HMMWV Direct Support & General Support Maintenance Manual Volume 1 Download
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TM 9-2320-387-24-l p-46. STUICE-R TEST PROCEDURES (Cont’d) I POWER TEST (PERCENT) TEST #13 Description: This procedure measures the percen- tage of engine’s power-producing potential as compared to a good engine. Test requires DCA hookup only. Typical Applications: Check engine power. Test Procedure: 1. Start and idle engine. 2. Set TEST SELECT switches to 10. 3. Press and release TEST button. 4. Observe displayed value (RPM) to adjust idle speed, if necessary. 5. Press down sharply on on engine accelerator and observe displayed value (RPM) to adjust governor speed, if necessary. 6. Set TEST SELECT switches to 13. 7. Press and release TEST button. 8. Wait for prompting message CIP to appear. 9. When CIP appears on display, press down sharply on engine accelerator and hold it to the floor. When VTM displays OFF, release accelerator. 10. A number will be displayed after the engine has returned to idle speed. This number is the test result in units of percent of nominal-rated power. Pre-Test Procedures: Run confidence test. Warm up engine to operating temperature. Possible Error Messages: . EOO9 Engine not running at start of test. E011 Throttle control operated incorrectly. E012 Ignition adapter/pulse tachometer miss;,rg. E024 Test not valid for VID entered. NOTE: Engine idle speed must be checked before performing power test. Idle speed must be approximately 675 rpm to run test. Engine governor no-load speed must be checked before performing power test. Governor no-load speed must be within the 3,900 - 4,100 rpm range to run test. 2-492