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Questions and Answers
What type of couplings are equipped on the magnetos?
What type of couplings are equipped on the magnetos?
- Magnetic couplings
- Vacuum couplings
- Impulse couplings (correct)
- Electric couplings
What adjustment can be made on the breaker points of the magnetos?
What adjustment can be made on the breaker points of the magnetos?
- No adjustments can be made (correct)
- Internal timing
- External timing
- Spark gap adjustment
How are the magnetos timed to the engine?
How are the magnetos timed to the engine?
- By using a timing gun
- Using a timing light
- Manually rotating the magneto rotor shaft
- By aligning the timing marks on the distributor gear and block (correct)
What is the purpose of the timing hole in the magneto?
What is the purpose of the timing hole in the magneto?
What precaution should be taken during magneto maintenance?
What precaution should be taken during magneto maintenance?
Flashcards
Magneto Couplings?
Magneto Couplings?
Magnetos are equipped with impulse couplings.
Magneto Breaker Point Adjustments?
Magneto Breaker Point Adjustments?
No adjustments can be made to the breaker points of magnetos.
Magneto Timing?
Magneto Timing?
Magnetos are timed to the engine by aligning the timing marks on the distributor gear and block.
Timing Hole Purpose?
Timing Hole Purpose?
The timing hole in the magneto is used to lock the magneto in the proper firing position.
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Magneto Maintenance Precaution?
Magneto Maintenance Precaution?
During magneto maintenance, ensure the engine cannot fire or start when the propeller is moved.
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Magneto Characteristics
- Slick magnetos used on the engine are sealed and lightweight.
- Both magnetos are equipped with impulse couplings.
Maintenance and Repair
- Magnetos MUST NOT BE DISASSEMBLED.
- Internal timing is fixed and the breaker points are not adjustable.
Timing Procedure
- Timing marks are provided on the distributor gear and distributor block, visible through air vent holes, for timing to the engine.
- A timing hole is provided in the bottom of the magneto adjacent to the magneto flange.
- A timing pin (or 0.093 inch 6-penny nail) can be inserted through the timing hole into the mating hole in the magneto rotor shaft to lock the magneto approximately in the proper firing position.
Ignition Harness
- Slick lightweight ignition harness is used with the lightweight magnetos.
- For ignition harness repair, refer to the manufacturer's Service Manual.
Safety Precautions
- Always take proper precautions during magneto maintenance to ensure the engine cannot fire or start when the propeller is moved.
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