DeWalt DXGNR5700 - Problem 7 - Excessive Voltage;Frequency Droop When Load Is Applied; Problem 8 - Generator Produces High Voltage at No-Load

Section 2 Direct Excitation (Brush Type)
14 Diagnostic Repair Manual
Problem 7 – Excessive Voltage/Frequency Droop When Load is Applied
Problem 8 – Generator Produces High Voltage at No-Load
TEST 29 – CHECK & ADJUST
ENGINE GOVERNOR
GO TO
PROBLEM 5
GO TO
PROBLEM 7
GO TO PROBLEM 5,
TEST 12 – ADJUST
VOLTAGE
REGULATOR
FREQUENCY
GOOD, LOW OR
RESIDUAL VOLTAGE
FREQUENCY IS GOOD
BUT NO-LOAD
VOLTAGE IS HIGH
NO-LOAD FREQUENCY &
VOLTAGE GOOD BUT
THEY DROOP TOO MUCH
WHEN LOAD IS APPLIED
GO TO PROBLEM 23
REDUCE LOAD
END TEST
TEST 10 – CHECK
LOAD VOLTAGE &
FREQUENCY
TEST 11 – CHECK
LOAD WATTS &
AMPERAGE
GOOD
GOOD
BAD
OVERLOADED
NOT OVERLOADED
TEST 29 – CHECK
& ADJUST
ENGINE
GOVERNOR
REPLACE
ALTERNATOR
BAD
STOP
TESTS
FREQUENCY AND
VOLTAGE O.K.
FREQUENCY O.K.,
BUT VOLTAGE IS
STILL HIGH
TEST 29 – CHECK & ADJUST
ENGINE GOVERNOR
TEST 1 – CHECK
NO-LOAD VOLTAGE
AND FREQUENCY
TEST 12 – ADJUST
VOLTAGE
REGULATOR
FREQUENCY O.K.,
BUT VOLTAGE HIGH
FREQUENCY
HIGH
REPLACE AUTOMATIC
VOLTAGE REGULATOR
GOOD
RE-CHECK VOLTAGE
AT RECEPTACLE
PANEL