Table of Contents
Advertisement
AC GENERATORS
Use the "Flow Charts" in conjunction with the detailed
instructions in Section 2.4. Test numbers used in
the flow charts correspond to the numbered tests in
Section 2.4.
Problem 1 - Generator Produces Zero Voltage or Residual Voltage
TEST 1 - CHECK
MAIN CIRCUIT
BREAKER
RESET TO
"ON"
OR REPLACE
IF BAD
TEST 5 - WIRE
CONTINUITY
BAD
GOOD
TEST 6 -
FIELD BOOST
BAD
REPAIR
GOOD
REPLACE
THEN
RETEST
REPLACE
VOLTAGE
REGULATOR
PART 2
TEST 4 - PERFORM
A
FIXED EXCITATION /
ROTOR AMP DRAW
B
C
TEST 7 - TEST
STATOR
BAD
REPAIR
OR
REPLACE
OR
TROUBLESHOOTING FLOWCHARTS
GENERAL
The first step in using the flow charts is to correctly
identify the problem. Once that has been done, locate
the problem on the following pages. For best results,
perform all tests in the exact sequence shown in the
flow charts.
G
D
GOOD
PERFORM STATOR
INSULATION
RESISTANCE TEST
-
SECTION 1.4
BAD
REPAIR
REPLACE
SECTION 2.3
RE-TEST
OR REPLACE
TEST 8 -
GOOD
CHECK
ROTOR
CIRCUIT
BAD
TEST 9 -
BAD
BRUSHES &
SLIP RINGS
TEST 10 -
OR
TEST ROTOR
BAD
ASSEMBLY
PERFORM ROTOR
INSULATION
BAD
RESISTANCE TEST
SECTION 1.4
REPAIR
FUSES
CHECK
VOM
FUSES
CHECK
GOOD
GOOD
-
Page 35
Advertisement
Table of Contents
Troubleshooting
