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WIRING DIAGRAM FOR ENGINE SYSTEM
Your engine is of 12V system and its electric circuit is as shown in
the diagram in pocket of back cover.
For
installing electrical parts, connect them correctly by referring
to the diagram and at the same time check for damaged wire sheathing
and confirm that grounding is provided properly.
Care must always be
taken while working on the electrical system.
Never shut the engine battery switch off while the engine is running.
Damage to the battery charging alternator will result should this be
done.
GENE RATOR COMPONENT OF GENERATOR SET
All generators for the inherently regulated series (4, 7.5, 11, 12.5)
are
identical
in design and alike except for
length of the various
sizes.
Wear iog and replaceable parts are similar throughout.
bearing~
(8), rectifier (42), capacitor (45) all bear a
commonality.
(See page opposite.)
Brushes
(39),
high degree of
It is necessary only to give correct model and serial number to obtain
correct parts from your local Dealer or Distributor.
Occasionally when a generator set is started, there will be no voltage
build-up.
When this occurs,
the fields must be flashed to restore
residual magnetism.
The fields may be flashed with a
6
or 12 volt
battery as follows:
stop the engine; remove the generator end cover.
You
will
notice
the
positive (+) lead from the
field coil is connected to
the
+
terminal of the rec-
tifier
(Part 42,
opposite
page),
the
negative
lead
from
the
field
coil
is
connected. to the opposite
negative unmarked terminal
of the rect i fier.
Using
alligator
clips,
connect
field
coil
positive
to
battery positive and field
coil
negative
to
bat~ery
negative for approximately
10 seconds.
The set will
then
build
voltage
and
output.
(Be careful not
to
connect
on
the
AC
terminals
as
this
will
destroy the rectifier.)
115V
Armature
F1eld W1ncI1lIr
18
AC
AC
Field
Excitatior.
Rectifier
,
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