20
TM 9-6115-651-14&P
Table 3-2. Operator/Crew Preventive Maintenance Checks and Services (PMCS) (cont).
B - Before
D – During
A – After
W- Weekly
M – Monthly
l
GENERATOR SET GAGES AND INSTRUMENTS
(cont)
c.
d.
e.
Check that frequency meter (20) indicates
400 Hz (red line) when generator is operating
under load.
Check that kilowatt meter (21) reading does
not exceed 100%.
4883-015
Check that A.C. ammeter (22) reading does not
exceed 100% of rated current or more than 5%.
load difference between phases.
Correct frequency cannot be
maintained.
No indication when load
is applied.
3-13
