ARMY TM 9-6115-604-12
NAVY NAVFAC P 8 633-12
b.
Remove See 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 from
rear 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 the
rear.
(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 running
hours 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, of
this 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 the
negative 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 30
minutes.
(4) Read elapsed time from the last digit which displays tenths of an hour. Markings are shown as black
numerals on a white drum TIME TOTALIZING meter M5 should show a change of five-tenths for a period of
30 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 TIME
TOTALIZING meter M5 (4).
(2) Remove three attaching screws, nuts, and lockwashers, and remove TIME TOTALIZING meter M5 from
cabinet 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 OPERATE
4-188