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AC3 Series of Engines
24
Module
Remove the ignition module:
1. Remove the starter by following the procedures
described in Chapter 6: starter.
2. Disconnect the two wires from the module.
See Figure 4.5.
NOTE: The black wire will come off with the module
mounting screws.
3. Remove the module by removing the two screws.
4. To install the module, turn the flywheel so that the
magnets are away from the module.
5. Install the two screws half way. Do not tighten them
down.
NOTE: Make sure the black wire is on the proper
mounting screw. See Figure 4.6.
6. Place a non-magnetic, 0.010” feeler gauge on the
flywheel magnets and rotate the flywheel until the
magnets line up with the module. Let the magnets
draw the module against the flywheel with the feeler
gauge trapped between them. See Figure 4.6.
NOTE: The air gap range is 0.010” - 0.015” (0.25 -
0.38mm).
7. Torque the module screws to 28 - 35 in lbs (3 - 4
Nm).
8. Reassemble the engine by following the above steps in reverse order.
9. Test run the engine in a safe area before returning it to service.
Figure 4.5
Module
Flywheel
Figure 4.6
0.010” brass feeler
gauge
Black wire
on mounting screw