ARMY TM 9-6115-673-13&P
AIR FORCE TO 35C2-3-512-1
HERTZ FREQUENCY METER. (MEP-531A)
a.
Inspection.
(1) Shut down generator set.
(2) Release instrument cover by turning fastener, open instrument cover.
(3) Release instrument panel by turning fastener, open instrument panel slowly.
(4) Inspect HERTZ frequency meter for security, cracked lens, corrosion, and other
damage.
(5) Close and secure instrument panel and instrument cover.
b.
Testing.
(1) Shut down generator set.
(2) Release instrument panel by turning fastener, open instrument panel slowly.
(3) Remove gauge protective cover.
(4) Set multimeter for ohms and check for continuity in wires M4-1↔M2-1 and M4-
2↔M2-2.
NS
TIO
C
TRU
INS
NG
ATI
ER
OP
1A,
IN
ST.
FU
SE
VO
LTA
G
-
ION
UT
CA C
VA
120
SCREW
HERTZ
FREQUENCY
METER
