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Starter and Charging System
77
Charging system
Some engines are equipped with a charging system. The charging system used on MTD engines consists of three
components, the rotor, stator and the rectifier.
• Alternator rotor: The rotor consists of five magnets
on the inside of the flywheel that rotate around a
stator that is mounted to the cylinder block. As the
crankshaft and flywheel rotate, the moving mag
-
nets induce a charge in the stator.
See Figure 6.14.
• Alternator stator: The stator consists of copper field
windings around an iron core. The stator is
attached to the engine block beneath the flywheel.
See Figure 6.15.
• Rectifier: A set of four diodes that convert the AC
current into DC current. The rectifier is built into the
stator and it is not serviceable.
Figure 6.14
Magnets
Figure 6.15
Stator
For Parts Call 606-678-9623 or 606-561-4983
www.mymowerparts.com