Ignition Section; General; Magneto Replacement - Superior Vantage Engine O-360 SERIES Maintenance Manual

General

Maintenance of the O-360 and IO-360 series
Vantage Engine ignition systems is limited to the
procedures in this section.
magnetos and ignition system components must
be performed by approved facilities.

Magneto Replacement

Magneto Removal
•
Remove the harness from the magneto.
•
Remove magneto, nut, washer, and clamp.
Refer to Figure 74-10-01.1.
•
Remove the magneto and discard gasket.
•
Remove the adapter and discard gasket.
•
Remove cotter pin, nut, and washer.
•
Remove magneto gear and return the
washer and nut to drive shaft to prevent
damage to drive shaft threads.
NOTE: Clamp gear in "soft jaw" type vise to
aid in removal and reassembly.
Table 74-00-00.1 • List of Equipment
Description
Timing light Commercially Available
T-118 Timing pin Commercially Available
Timing Magneto To Engine
•
Remove one spark plug from the No. 1
cylinder and place thumb over the spark
plug hole. Refer to Figure 74-10-01.2.
•
Rotate the crankshaft clockwise until the
compression stroke is reached. This will be
noted when the pressure inside the cylinder
pushes your thumb off the spark plug hole.
•
Continue to rotate the crankshaft until the
timing mark on the front of the starter
support is in alignment with the small hole
on the front face of the starter housing. The
ring gear is marked at 20° and 25° BTDC.
Refer to engine specifications in the model
specific Installation and Operation Manual
(SVIOM01) or engine dataplate for the
© March 2006 Superior Air Parts Inc.
Maintenance Manual
O-360 and IO-360 Series Engines

IGNITION SECTION

Overhaul of
Source
1
correct timing of your engine model. Refer
to Figure 74-10-01.2.
Timing Magnetos
•
Align magneto rotor shaft to fire cylinder #1.
•
Insert the T-118 timing pin provided in the L
hole (for left-handed or counter-clockwise
rotation) of the distributor block.
•
Turn the rotor shaft clockwise until the timing
pin inserts to the shoulder or 7/8-inch into
the distributor block. The timing pin will seat
against the distributor block when properly
installed.
•
If the timing pin is not seated 7/8-inch into
the distributor block and the rotor shaft
cannot be turned, remove the pin and turn
the rotor shaft 1/8 turn and re-insert the
timing pin.
•
With the timing pin fully seated in the
distributor block, the magneto is aligned to
fire cylinder #1.
CAUTION: REMOVE THE TIMING PIN FROM
THE MAGNETO BEFORE ROTATING THE
MAGNETO ROTOR
PROPELLER. FAILURE TO REMOVE THE
TIMING PIN FROM
DISTRIBUTOR BLOCK MAY DAMAGE THE
MAGNETO.
Install Magnetos
•
Install new gasket and reinstall adapter if
required. Refer to Figure 74-10-01.1.
•
Install magneto gear in new magneto and
secure with supplied nut, washer, and cotter
pin.
•
Clean the magneto flange.
gasket to adapter.
•
Install the magneto on to adapter flange and
secure with clamp, washer, and nut.
Tighten "finger tight" in order to hold the
magneto in place.
•
Remove the timing pin from the distributor
block.
SHAFT OR THE
THE MAGNETO
Install new
74-00-00
Ignition Section