TM-9-2320-387-24 HMMWV Direct Support & General Support Maintenance Manual Volume 1 Download
Page 414 of 1205
TM 9-2320-387-24-l INSTRUMENTS CIRCUIT DIAGNOSTIC FLOWCHART KNOWN INFO ELECTRICAL GAUGES OK INSPECT VACUUM HOSE FROM AIR FILTER HOUSING TO RESTRICTION GAUGE. IS THE LINE INTACT? POSSIBLE PROBLEMS AIR RESTRICTION GAUGE VACUUM HOSE I REASON FOR QUESTION R the line leaks, any pressure differential won’t be seen by the gauge. I KNOWN INFO I VACUUM HOSE OK POSSIBLE PROBLEMS AIR RESTFtICTlON GAUGE DOES THE GAUGE READ YELLOW WHEN VACUUM IS APPLIED TO THE HOSE AND DOES IT HOLD THE READING? OPTIONS APPLY VACUUM TO HOSE (YOU CAN JUST SUCK ON THE HOSE TO TEST IT). REASON FOR QUESTlON Thii will check gauge operation. - 2-360