11-3
AC
VOLTAGE
IS
NORMAL
AT NO-LOAD,
BUT
THE
LOAD CANNOT
BE
APPLIED.
11-3-1 CHECK THE ENGINE SPEED.
If
the engine speed is low, adjust it to the rated r.p.m.
*Refer to Step
11
-2-1
for engine speed adjustment.
11-3-2 CHECK THE TOTAL WATTAGE
OF
APPLIANCES CONNECTED TO THE GENERATOR.
Refer to Section
7
“RANGE
OF APPLICATIONS”
for the wattage of the appliances.
If
the generator
is
overloaded, reduce the load to the rated output of the generator.
11-3-3 CHECK THE APPLIANCE FOR TROUBLE.
If the appliance is faulty, repair
it.
11-34 CHECK IF THE ENGINE IS OVERHEATED.
If
the cooling air inlet andor cooling air outlet is
clogged
with
dirt,
grass, chaff or other debris,
re-
move it.
(ALTERNATOR)
Fig.
11-8
11-3-5
CHECK
THE INSULATION
OF
THE GENERATOR.
Stop the engine. Measure
the
insulation resistance
between the live terminal of the receptacle and
the ground terminal.
If
the insulation resistance is less than
1
MSZ,
dis-
assemble the generator and check the insulation
resistance of the stator, rotor and the live parts in
the control
box.
(Refer
to
Section
8-3.)
Any part where the insulation resistance is
less
than
1
MQ
the insulation is faulty and may cause
electric leakage.
Replace the faulty part.
I
I
j
i
!
I/
U
..
Fig.
11-9
-
56-
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