If … It can also save you time by allowing you to check if the problem is actually in your ignition. How to Check a Chain Saw Coil. To check if your spark plug has gone bad you'll need to inspect your part for common signs suggestive that it might be fouled or damaged. Stopped working. tomari. Attach the tester to the boot and spark plug. have replaced coil. Press the metal end of the spark tester into the boot-- then place the rubber female end over the spark plug. I have a Stihl chainsaw with no spark. 1. A spark plug wire is a basic but critical engine component. It carries the high voltage (30k to 50k volts) produced by the ignition coil to the spark plug. Step 1- Disconnect the spark … The electricity creates sparks within the spark plug, and the sparks ignite the […] ... the block, or the exhaust will work and check fire there. 3. If you see a spark jumping the gap between the top of the sparkplug and the ground, there is sufficient spark. The chainsaw ignition system is a series of parts that form a spark when starting the tool engine. The switch gear looks OK so I bought a new ignition module but am unable to get a - Answered by a verified Technician. Locate the spark plug on your chainsaw and remove the cover. The parameter depends on the model of the chainsaw. Step 5 Check to be sure the wires leading to the "On-Off" switch aren't tangled or touching a metal point on the engine if there is no spark, advises the Garden Grapevine website. Take the wire off the spark plug, take the plug out and put in back into the wire. It is indicated in the instruction manual. If you don’t have a good spark in a combustion engine, the engine will not run. Nonetheless, it is an issue that should be solved as soon as possible, as it may be an early sign of the saw’s wear. chainsaw has no spark. If no spark is seen when another transformer is tried, then suspect a faulty ignition module, faulty ignition switch or loose/bad connections. The electric spark occurs when an electric current jumps across the spark … Flywheel and spark plug. How to Replace the Spark Plug and Check the Ignition Spark on Your Makita 2-Stroke Chainsaw. The ignition module of a foreign chainsaw then you need to check the gap between the coil. If either reading is off, that … New coil ohms out same as original coil which l … read more A weak spark on a Husqvarna chainsaw can be caused by one of these misfiring components in the ignition system. Air gap should be set at 0.015 inch. Checking the revolutions per minute of the engine on your Husqvarna chain saw can help you diagnose a number of problems that affect its performance. I am sorry you were having a problem with the chainsaw. Opened it up and found no spark in the plug when I removed it and pulled the started with the plug grounded to the metal part of the engine. Spark Problems. Tug on the starter cord and look for a blue spark across the "hex" part of the spark plug, according to M & D Mower and Appliances' article, Engine Repair Help. As you crank the engine, you should see a small spark at the tip of the spark plug. This is the spark arrestor and is usually made of fiberglass. Nope. With the plug out, it will be easier to check for fire. Fit the spark plug back into the rubber boot but don't attach them to the engine. references & resources YouTube: Chainsaw Ignition Coil Test Old Engine Shed: Basic 2 … It can be done fairly easily at … How to Troubleshoot a Stihl 031. Inside the chainsaw’s engine is a small screen that serves to prevent sparks given off by the engine. have verified ground between core of coil and engine. How to Check Your Spark Arrestor When Your Chainsaw Won't Start. Not having proper spark is an especially common problem when the chainsaw will turn over but not stay running, as the rotating assembly within the motor will turn as you pull the cable, but there is not enough spark to sustain that movement. If you are not getting a strong spark, I recommend checking the air gap between the ignition coil and the magnet. The spark plug produces the spark that ignites the air-fuel mixture which then burns in the combustion chamber. An Ohm meter, which is part of a multimeter, can only check a spark plug for a short circuit or a breakdown of insulation resistance. At least in order to be sure that everything is in order with this. A good spark plug should show an open circuit between the center electrode and the tip. There are several other ways to check a car engine if it is getting a spark.You can check for spark using a multimeter, test light, screwdriver or even by removing the spark plug and grounding it on the engine block or frame. Check the spark arrestor. If your plugs indicate that something is seriously wrong with your engine, ask a professional for an opinion. Seeing a chainsaw throw sparks at you isn’t normal – that being said, this does not mean right away that there is something that wrong going on with it.. The following instructions are based on the DCS6400, DCS6401, DCS6420, DCS6421, DCS7300, DCS7301, DCS7900, and DCS7901 model Makita chainsaws. Pull on the starter cord and check for a spark across the metal and spark plug. To read a spark plug and assess engine troubles, you first have to remove it. Position the plug in an area near the hole or any metal area so that you can see the electrode of the plug. You can actually read your spark plugs for valuable “clues” about how your engine is operating. The average value is a parameter of 0.2-0.4 mm. Hold the spark plug a short distance from a metal spot on the engine block. Periodically adjust the ignition of the chainsaw. removed on/off switch. ... You can check the resistance of the ignition coil with a digital multimeter to see if there is a short, you would need to find out what the values should be from a … Any resistance at all would mean the plug is bad. Bought a Stihl 270C new two years ago, always ran fine. The spark arrestor on your chainsaw prevents dangerous hot sparks from igniting fires while you're working. If the gap is fine, disconnect the kill wire from coil and check for spark. Follow these guidelines for an easy way to use a Spark Plug Tester. How to Test the Ignition Coils for a Husqvarna Chain Saw. Stihl is an American-made chainsaw. Remove the spark plug boot. When your Husqvarna chain saw won't start, you may immediately assume that there's a problem with the spark … If you have difficulty starting your chain saw or it stalls during operation, then check its ignition coil to … To check for a spark. This will just pull off of the engine shroud with a little bit of force. It can become clogged from soot over time after many uses which can result in the chainsaw stalling once it starts or to run roughly. Learn your vehicle's gap specifications. Pull the start rope to test spark If a weak spark appears in the window, this means you will need to replace the ignition coil. A spark plug gap distance has to be correct, otherwise an engine will not run smoothly or safely. 8. If you have a library close, take a look at a Chain Saw Service Manual put out by Intertec Publishing. Use a spark plug wrench with […] If all else fails then it could be your spark arrestor which is at fault. Check for Clogged Spark Arrestor. How to Check the RPM on a Husqvarna Chain Saw. Chainsaw model # 358.350980 Craftsman, only used about three times. The company is known as the only manufacturer of gasoline-powered chainsaw that produces its own bars and chains. Whether you're shopping for new plugs, you just bought new plugs that you want to check before installing, or you want to check the function of your current set of spark plugs, you need to learn the appropriate gap between the two electrodes on the end of each plug.. Each vehicle's measurement will be different, though most … Luckily, this is one of the easiest things to check on your chainsaw. How to check the ignition coil of a chainsaw with a multimeter? Even if in the case of checking the spark plug there is good reason to believe that the fault is in the fuel system, you need to check the spark plug for a spark. If you see a strong spark but the weed eater still fails to start, you can try cleaning, regapping or replacing the spark plug, and then try the test again to see if the spark is stronger. I've taken off the flywheel cover, removed the spark plug, and used an electric drill to turn it over. If you have a points system you can just use an ohm meter to set the timing. This action involves setting the correct clearance of the spark plug between the coil and the flywheel. Adjusting the gap of a spark plug on a Husqvarna 55 Air Injection Rancher chainsaw is essential for proper use. Testing the Spark. If you have difficulty in trying to start your chainsaw or if it stalls during operation, then check its ignition coil to see if it is functioning properly. Spark Plugs; The spark plug is one of the first parts that you should check if your chainsaw won’t start. Next, check the secondary resistance by moving the negative probe to the metal piece that connects the coil to the spark plug. Generally, the secondary resistance should be between 6,000-8,000 ohms. NO spark, Craftsman chain Saw. Electrical currents run through the ignition coil and transmit electricity to the spark plug. Check the spark plug's gap (refer to your model's user manual for specific spark plug gap measurements). Most people think you can check a small engine’s ignition system by removing the spark plug and grounding it while cranking the engine and watching for a spark. It doesn’t mean the ignition coil is strong enough to fire the plug when under full compression. How to Test Spark Plug Wires. How to set the ignition on a chainsaw. Read rest of the answer.In respect to this, how do I check for spark? Without a spark, the fuel is unable to ignite, and the chainsaw won’t be able to start up. Get shopping advice from experts, friends and the community! 2. A spark plug tester is a handy tool that allows you to check if your spark plug is working properly. Remove the spark plug from the cylinder and attach the spark plug wire to it. Check out the steps below which outline how to determine why your spark plug is no longer working correctly. The gap should be .0010 to .0013 thousandths. 13 years ago. That just confirms that the spark plug fires in open air. I had to use a lawnmower battery to power the timing light. There are many different components of the ignition system on a chainsaw and any time these parts aren’t working they will misfire in the chamber, which can make starting the chainsaw impossible.