ARMY TM 9-6115-604-12NAVY NAVFAC P 8 633-12b.RemoveSee Figure 4-75.(1) Set MAINTENANCE LOCKOUT switch S100 to MAINTENANCE.(2) Tag and disconnect wiring to FUEL LEVEL gage M4 (3).(3) Remove hexagonal nuts and lockwashers at rear of FUEL LEVEL gage M4. Remove mounting bracket fromrear of gage and remove gage from front of cabinet C door.c Install. See Figure 4-75.(1) Install FUEL LEVEL gage M4 (3) from front of cabinet C door while assembling mounting bracket from therear.(2) Secure with lockwashers and hexagonal nuts provided.(3) Connect wires and discard tags(4) Set MAINTENANCE LOCKOUT switch S100 to OPERATE.4-125. TIME TOTALIZING METER M5 (4, Figure 4-75). TIME TOTALIZING meter M5 Indicates the total runninghours of the generator set.Dangerous voltage levels may be present at components located within cabinet C.Observe all applicable safety precautions as outlined in Chapter 1, Section III, ofthis manual.a.Test(1) Disconnect and tag leads from TIME TOTALIZING meter M5. Record indication on meter.(2) Connect positive side of 24 V dc supply to positive terminal of TIME TOTALIZING meter M5 and thenegative side of the 24 V dc supply to Its negative terminal. TIME TOTALIZING meter M5 should run.(3) Perform a time check against a known accurate time source, such as a wrist watch, over a period of 30minutes.(4) Read elapsed time from the last digit which displays tenths of an hour. Markings are shown as blacknumerals on a white drum TIME TOTALIZING meter M5 should show a change of five-tenths for a period of30 minutes(5) If it fails to show a change of five-tenths, replace TIME TOTALIZING meter M5.b.Remove. See Figure 4-75.(1) Set MAINTENANCE LOCKOUT switch S100 to MAINTENANCE Tag and disconnect wiring from TIMETOTALIZING meter M5 (4).(2) Remove three attaching screws, nuts, and lockwashers, and remove TIME TOTALIZING meter M5 fromcabinet C door panel.c.Install.See Figure 4-75.(1) Install TIME TOTALIZING meter M5 (4) from front of cabinet C door.(2) Secure TIME TOTALIZING meter M5 (4) to cabinet C door with screws, nuts, and lockwashers provided.(3) Connect wires and discard tags.(4) Set MAINTENANCE LOCKOUT switch S100 to OPERATE4-188
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