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2)
Measure the resistance of field coil with a circuit
tester. (See Fig.
11-3.)
(R
x
195
10%)
NORMAL RESISTANCE
lRemedy1
If
the resistance
is
not normal, replace rotor
with new one.
Fig.
11-3
3)
Check the magnetic force
of
magnets molded in
the rotor.
[Remedy1
1.
If the magnetic force
is
weak, replace the rotor with a new one.
2.
If the diode
or
the resistor
is
faulty, replace rotor assembly with new one.
When all removed these parts are good, assemble them and then solder.
11-2 AC VOLTAGE
IS
TOO HIGH
OR
TOO
LOW
11-2-1 CHECKING ENGINE
r.p.m.
.
If the engine r.p.m.
is
too high or too low, adjust it to the rated r.p.m.
.
mow
to adjust
engine
r.p.m.
.]
Loosen the nut on the adjusting screw.
H
Turn the adjusting screw clockwise to in de-
crease engine speed or counter-clockwise to
increase engine speed.
Normal engine speed at no load
is
:
3750
-
3800
r.p.m.
11 -2-2 CHECKING
STATOR
Check stator referring to Step
11-1-1.
11-2-3
CHECKING
CONDENSER
Check condenser referring to Step
11-1-2.
d
Fig.
7
1-5
11-2-4
CHECKING
ROTOR
Check rotor referring
to
Step
11-1-3.
-
49
-