Checking for Field Coil Breakage
1.
To
check conduction, place the tester probes
on
the lead and brush.
2.
If not conducting, replace.
Reference value
If
it is conducting, the coil
is
good; if it is not, the coil
is faulty.
Checking Insulation Between Field Coil and
Yoke
1.
Place each tester probe
on
the field coil and
yoke.
2.
If conducting, replace.
Reference value
If
is
is
not conducting, the insulation
is
good; if it
is
conducting, the insulation
is
defective.
163 .