Designed to Test a wide range of parameters like Voltage, current, power, power factor. Below, a crankshaft mounted dynamo is being tested with the help of our universal adaptor plate.
If the points are clean and it is still a no go the next step is to check the condenser(capacitor for the electrical engineering types). The John Deere electrical service manual describes steady firing at a 9MM gap at 1000 RPM. Sometimes a few strokes will polish the points to like new. A fouled plug can short out the spark and not look dirty.
The best RX is to get the contact surfaces smooth and shiny. Old service literature describes a minimum of 2 megohms of leakage at the operating temperature of the condenser and 20 megohms at room temperature.
The magneto tester is designed for bench mounting. We will start with some basic tests one can do without special service equipment and show how things can get really complicated, confusing and totally out of control later with test instruments. The instrument panel and magneto under test are lighted by an adjustable working lamp. HOW TO TEST A CONDENSER - IG-129. You set E-gap. When the dynamo is being tested as a generator, the test load is applied by switching on any combination of these bulbs which vary from 6v, 5W to 12v, 55W. The flying lead connects to one end of the winding and the blade itself, acting as the other terminal, is sharp enough to pierce the enamel coating on the wire to check for a continuous circuit. For sale new Magneto Test Bench. RPM,Frequency, Flow, Input suction vacuum, Output pressure and pump temperature. We made this electronic tester to check the polarity of the HT spark. It has a 2HP variable speed DC motor and variable width spark gaps. I would add that I believe that the 0.1 mm gap distance has to be accurately set on all electrodes in order to get even sparking across leads. If needed, higher loads are added via the sockets in the centre. The teaser electrode is insulated from the other two electrodes and is typically set to 0.1 mm gap from the main electrode (5 mm gap). Measure the distance between the flywheel and the magneto; it is usually set from .010-inch to .012-inch. The test report can be generated / printed as per user defined prescribed format. Alternatively, if the dynamo is off the vehicle, Regrettably, The Magneto Guys no longer work on dynamos - see our.
Spin your flywheel.
Aircraft maintenance tips for users of Mechanic's Toolbox software. Look for missing magnets. Teaser Electrode extends from back of bar to lower electrode. Digital meters will be accurate with a capacitor(condenser) for measuring capacitance with no leakage and will show an overstated capacitance value with a leaky device.