Table 3-2. Operator/Crew Preventive Maintenance Checks and Services (PMCS) (cont).
B - Before
GENERATOR SET GAGES AND INSTRUMENTS
Check that frequency meter (20) indicates
400 Hz (red line) when generator is operating
Check that kilowatt meter (21) reading does
not exceed 100%.
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
No indication when load