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 2-46. STUICE-R TEST PROCEDURES (Cont’d) POWER TEST (RPM/SEC) TEST #12 Description: This procedure measures an engine’s power-producing potential in units of RPM/SEC. Test requires DCA hookup only. Typical Applications: Check engine power in units of RPM/SEC. 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 accelerator and observe displayed value (RPM) to adjust governor speed, if necessary. 6. Set TEST SELECT switches to 12. 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 a number, release accelerator. 10. Observe displayed value (RPM/SEC). Pre-Test Procedures: Run confidence test. Warm up engine to operating temperature. Possible Error Messages: Eoog Engine not running at start of test. Eel 1 Throttle control operated incorrectly. E012 Ignition adapter/pulse tachometer missing. E014 Incor..&t number of cylinder entries. E033 Error in entry of power test constants. NOTES: 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 3.600 - 3,800 rpm range to run test. 2-491