AirCooled Engine Technology · Air Cooled Engine Technology 1. _____ Ò _____ is a selfcontained...

23
AirCooled Engine Technology Briggs & Stratton Ignition System Worksheet Service Manual Use

Transcript of AirCooled Engine Technology · Air Cooled Engine Technology 1. _____ Ò _____ is a selfcontained...

Page 1: AirCooled Engine Technology · Air Cooled Engine Technology 1. _____ Ò _____ is a selfcontained transistor module, ignition armature and flywheel electronic ignition system that

Air­Cooled Engine Technology 

Briggs & Stratton Ignition System Worksheet Service Manual Use

Page 2: AirCooled Engine Technology · Air Cooled Engine Technology 1. _____ Ò _____ is a selfcontained transistor module, ignition armature and flywheel electronic ignition system that

Briggs & Stratton  – Ignition Systems  19 Points Directions:  Complete the following questions using Section 2 of the 

Briggs & Stratton #270962 Repair Manual. 

Air­Cooled Engine Technology

Page 3: AirCooled Engine Technology · Air Cooled Engine Technology 1. _____ Ò _____ is a selfcontained transistor module, ignition armature and flywheel electronic ignition system that

Air­Cooled Engine Technology 1.  _________________ ____________ is a self­contained transistor module, 

ignition armature and flywheel electronic ignition system that is mounted externally. (on the outside of the flywheel magnets)

Page 4: AirCooled Engine Technology · Air Cooled Engine Technology 1. _____ Ò _____ is a selfcontained transistor module, ignition armature and flywheel electronic ignition system that

Air­Cooled Engine Technology

Page 5: AirCooled Engine Technology · Air Cooled Engine Technology 1. _____ Ò _____ is a selfcontained transistor module, ignition armature and flywheel electronic ignition system that

Air­Cooled Engine Technology 2.  A flywheel must rotate a minimum of _____ RPM to check spark on a 

Magnetron ignition system.

Page 6: AirCooled Engine Technology · Air Cooled Engine Technology 1. _____ Ò _____ is a selfcontained transistor module, ignition armature and flywheel electronic ignition system that

Air­Cooled Engine Technology 3.  By placing either the #19051 or the #19368 spark tester in ____________ 

with the spark plug & wire, a complete absence of spark or an ignition miss during running will be readily apparent.

Page 7: AirCooled Engine Technology · Air Cooled Engine Technology 1. _____ Ò _____ is a selfcontained transistor module, ignition armature and flywheel electronic ignition system that

Air­Cooled Engine Technology 4.  _________________ cleaning machines should not be used on spark 

plugs.  (spark plug  replacement is preferred)

Page 8: AirCooled Engine Technology · Air Cooled Engine Technology 1. _____ Ò _____ is a selfcontained transistor module, ignition armature and flywheel electronic ignition system that

Air­Cooled Engine Technology 5.  A _____________ spark plug (R) is required in some areas to suppress 

Radio Frequency Interference.

Page 9: AirCooled Engine Technology · Air Cooled Engine Technology 1. _____ Ò _____ is a selfcontained transistor module, ignition armature and flywheel electronic ignition system that

Air­Cooled Engine Technology 6.  When using flywheel pullers, always use the _________________ ______ 

threaded on to the crankshaft in a flush position to prevent thread damage.  Never use a knock­off tool on a Briggs & Stratton!

Page 10: AirCooled Engine Technology · Air Cooled Engine Technology 1. _____ Ò _____ is a selfcontained transistor module, ignition armature and flywheel electronic ignition system that

Air­Cooled Engine Technology 7.  A sheared _________key on a Magnetron ignition system will allow a 

spark but it will occur at the wrong time!  Note:  A sheared flywheel key on a breaker point ignition will usually cause a no­spark condition.

Page 11: AirCooled Engine Technology · Air Cooled Engine Technology 1. _____ Ò _____ is a selfcontained transistor module, ignition armature and flywheel electronic ignition system that

Air­Cooled Engine Technology 8.  Spark Timing is controlled by the ______________ _______ on most 

Magnetron ignition systems.

Page 12: AirCooled Engine Technology · Air Cooled Engine Technology 1. _____ Ò _____ is a selfcontained transistor module, ignition armature and flywheel electronic ignition system that

Air­Cooled Engine Technology 9.  Adjusting ignition ________________ ______ ______ is done with a 

non­magnetic thickness gauge placed between the coil laminations and the flywheel magnet.

Page 13: AirCooled Engine Technology · Air Cooled Engine Technology 1. _____ Ò _____ is a selfcontained transistor module, ignition armature and flywheel electronic ignition system that

Air­Cooled Engine Technology 10­13.  Label the names of the types of stop switches in the pictures below:

Page 14: AirCooled Engine Technology · Air Cooled Engine Technology 1. _____ Ò _____ is a selfcontained transistor module, ignition armature and flywheel electronic ignition system that

Air­Cooled Engine Technology 14.  A good stop switch should have ______________ in one direction and be 

an open circuit in the other.

Page 15: AirCooled Engine Technology · Air Cooled Engine Technology 1. _____ Ò _____ is a selfcontained transistor module, ignition armature and flywheel electronic ignition system that

Air­Cooled Engine Technology 15.  ________ switches can be mounted on the CPSC Blade Brake bracket to 

ensure the spark is cut off when the blade brake bail at the operator’s position is released.

Page 16: AirCooled Engine Technology · Air Cooled Engine Technology 1. _____ Ò _____ is a selfcontained transistor module, ignition armature and flywheel electronic ignition system that

Air­Cooled Engine Technology 16.  ________ switches can be mounted on the carburetor throttle linkage so 

the engine speed is cut down before the spark is shut off preventing HC from being drawn into the hot muffler causing a “pop”.

Page 17: AirCooled Engine Technology · Air Cooled Engine Technology 1. _____ Ò _____ is a selfcontained transistor module, ignition armature and flywheel electronic ignition system that

Air­Cooled Engine Technology 17­19.  Spark Plug Gap:  _____” 

90000 series Two­Leg Armature Air Gap Spec:  ____________” 

90000 series Flywheel Nut Torque Spec:  _____________Ft. Lbs.

Page 18: AirCooled Engine Technology · Air Cooled Engine Technology 1. _____ Ò _____ is a selfcontained transistor module, ignition armature and flywheel electronic ignition system that

Air­Cooled Engine Technology

Page 19: AirCooled Engine Technology · Air Cooled Engine Technology 1. _____ Ò _____ is a selfcontained transistor module, ignition armature and flywheel electronic ignition system that

Air­Cooled Engine Technology

Page 20: AirCooled Engine Technology · Air Cooled Engine Technology 1. _____ Ò _____ is a selfcontained transistor module, ignition armature and flywheel electronic ignition system that

Air­Cooled Engine Technology

Page 21: AirCooled Engine Technology · Air Cooled Engine Technology 1. _____ Ò _____ is a selfcontained transistor module, ignition armature and flywheel electronic ignition system that

Air­Cooled Engine Technology

Page 22: AirCooled Engine Technology · Air Cooled Engine Technology 1. _____ Ò _____ is a selfcontained transistor module, ignition armature and flywheel electronic ignition system that

Air­Cooled Engine Technology

Page 23: AirCooled Engine Technology · Air Cooled Engine Technology 1. _____ Ò _____ is a selfcontained transistor module, ignition armature and flywheel electronic ignition system that

Air­Cooled Engine Technology