2
PIPER
SENECA
II
SERVICE
MANUAL
1.
OILSEAL
2.
DRIVE
END
HEAD
ASSEMBLY
3.
DRIVE
END
BEARING
4.
THRUST
WASHER
5.
ARMATURE
6.
THRU
BOLT
7.
FRAME&FIELDASSEMBLY
8.
BRUSH
SET
9.
BRUSH
SPRING
10.
THRUST
WASHER
11.
COMMUTATOR
END
HEAD
ASSEMBLY
Figure 11-15. Exploded View
of
Starting Motor
d.
The
starting
motor
should be operated
for
a few seconds with the ignition switch off. This
is
to
determine
that
the starter engages properly
and
that
it
turns
freely
without
binding
or
excessive noise. Start
the engine
two
or
three times
to
check
the
starter drive assembly.
NOTE
Refer
to
the engine manufacturer's service information concerning
the
starter drive mechanism.
11-30. OVERHAUL. If during the above inspection any indication
of
starting
motor
difficulty
is
noted,
the starting
motor
should be removed from the engine for cleaning and repair.
11-31. REMOVAL. To remove the starting
motor
from the engine first disconnect the ground cable from
the battery post to prevent short circuiting. Disconnect the lead from the starting
motor
terminal; then take
out
the mounting bolts. The
motor
can then
be
lifted
off
and taken to the bench for overhaul.
11-32. DISASSEMBLY.
a.
Remove the safety wire and thru bolts from the
commutator
end and pull the end head from the
frame.
b.
Pull the drive end head
an<l
armature from the frame and separate the drive end head from the
armature.
c.
The drive end bearing may
bt:
removed by pressing
0ut
of
the drive end head.
d. Each part should
be
cleaned and inspected for excessive wear
or
damage. Bearing should be
checked for proper clearance and evidence
of
roughness or galling. Oil and dirt should
be
removed from
insulation and the condition of the insulation checked.
Reissued:
10/11/79
ELECTRICAL
SYSTEM
2G17
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