Measure the insulation across one
of
the
soldered terminals
of
the rotor and the core.
(Fig.
11-6)
If
insulation is bad, replace rotor with a new
one.
Fig.
11
-6
11-2
AC VOLTAGE
IS
TOO HIGH
OR
TOO LOW
11-2-1
CHECKING ENGINE SPEED
If
the engine speed is too high or too low, adjust it
to the rated r.p.m.
[How
to
adjust
engine
r.p.m.1
Loosen the lock nut on the adjusting screw.
Turn the adjusting screw clockwise
to
de-
crease engine speed
or
counter-clockwise to
increase engine speed.
Normal engine speed at no load
is
:
3100
-
3150
r.p.m. for 50Hz type
3700
-
3750
r.p.m. for 6OHz type
11
-2-2 CHECKING CONDENSER
Check condenser referring to Step
11-1-1
11 -2-3 CHECKING STATOR
Check stator referring to Step
11-1-2.
11-2-4 CHECKING
ROTOR
Check
rotor
referring to Step
11-1-3.
.
..
.
..
;
;;
I
Fig.
1
1
-7
-
61
-
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