(B) Flashing Exciter Field Without Test Box - Hobart 6921 Series Operation And Maintenance Manual

OM-2040 / Operation and Maintenance Manual
90D20 / Generator Sets
b. Flashing exciter field without test box.
Remove test receptacle cover (1-3; Fig. 3) . Use two test leads equipped with a test prod on
one end and an "alligator" clip on the other. Insert the test prod of one lead in terminal "D" of
the test receptacle and momentarily touch the other end (alligator clip) to the "hot" terminal
(4, Fig. 4) on the starter solenoid to flash the field.
CAUTION
Flashing the field in a reverse direction could cause damage to voltage regulator
diodes.
(11) Check position of load contactor "on-off" switch (21 Fig. 1) , and generator control mode switch
(17) .
a. Load contactor switch (21) must be in OFF position.
b. Generator mode control switch (17) must be in IDLE position.
Chapter 2-3
Page 4
1. Starter Connection to Solenoid
2. Solenoid
3. Negative Battery Cable Connection
4. Positive Battery Cable
5. Starter Solenoid Switch
6. Starter
Starter and Solenoid Switch
Figure 2
February 28/94 Revised