Table of Contents
Advertisement
1:32
fig.
5.
58 B
Stater cutaway
®
Pole core
®
Field coil
fig.
5. 59
©
Starting motor
Fig.
5.
60
Sectional view of
commutator
5.
ELECTRICAL PARTS
I
I
_
_
_
_
..J
contact
with
the inside surface of the end
bracket, also, assure that the lead dose not
interfere with the
action of
the brush.
e.
The
starting
motor is completely
sealed
and
designed
to be
waterproof,
therefore, excer-
size core
that the O ring and
gaskets are
not
damaged during
installatio n.
2.
Commutator
The
normal
condition of
the
commutator is as
shown is
Fig.
5. 60 (A)
and ofter a period of
use,
the copper contacts become worn
to
a shape
shown in (Bl.
When
this condition develops,
the commutator must be restored to the original
condition.
This rework (under-cutting the mica)
requires special skill and tooling,
therefore, it
should be referred to a specially shop.
(Fig.
5.
60,
5.
61)
(D
Mica
piece
®
Commutator !copper!
Whenever
the
commutator is
worn
to an extent
that
the
difference
between the copper contact
and the micd
is
greater that
·o.3
mm (0.012 inl.
the rotor should be replaced.
®_
Motor shaft
Correct
ion
required
Fig,
5.
61
Commutator correction
©
Commutator (copperl
Norm.al
®
Mica
Advertisement
Table of Contents
