This video provides step-by-step repair instructions for replacing the ignition coil on a Weed Eater edger. The most common reason for replacing the ignition coil is when the edger won’t start.
All of the information for this ignition coil replacement video is applicable to the following brands: Craftsman, Weedeater, Poulan Pro, Poulan, Husqvarna, Paramount, Turf King Tools used: T25 Torx screwdriver, small flat head screwdriver, Phillips head bit Step-By-Step Instructions 1 Before you replace the ignition coil on your edger first make sure the engine has cooled. 2 Next, remove the wire and boot from the spark plug to prevent the engine from accidentally starting. 3 Use a t-25 torx bit screwdriver to remove the screws securing the gearbox assembly. 5 Detach the gas tank from the mounting posts and move it out of the way. 6 Use a socket or a spark plug wrench to help unthread the spark plug. 7 Confirm that the piston is in the “down” position then insert a cord into the cylinder to prevent the piston from moving. 8 Use a half-inch socket to help unthread the clutch mounting nut by rotating it counter-clockwise. 9 Remove the washer and pull off the clutch. 10 Remove the starter cup. 11 Remove the screw securing the throttle cable. 12 Note the location of the cable on the throttle plate then detach the cable. 13 Note the orientation of the fuel lines attached to the carburetor then detach them. 14 Next, unthread the mounting screws securing the carburetor. 15 Pull off the air box and remove the carburetor. 16 Now remove the screws to release the carburetor adaptor. 17 Remove the cord from the cylinder. 18 Remove the screws securing the engine cover. 20 Note the location of the on-off switch wires then detach them. 21 Next, remove the mounting screws securing the engine to the blower housing. 23 Now disconnect the ignition coil wire. 24 Confirm that the flywheel magnets are rotated out of the way then remove the mounting screws securing the old ignition coil. 25 Pull the old coil free. 26 Install the new ignition coil by aligning it on the engine. 27 Thread the mounting screws loosely. 28 Remember to secure the grounding wire under the upper screw. 29 Now pull the coil back and tighten the screws. 30 Insert a business card between the coil and flywheel then rotate the flywheel so the magnets align with the coil. 31 Loosen the screws to align the coil the correct distance from the flywheel. 32 Re-tighten the screws and remove the card. 33 Connect the ignition coil wire to the new coil. 34 With the new ignition coil installed, slide the engine back into place in the blower housing. 35 Replace the mounting screws to secure. 36 Attach the wires to the appropriate terminals on the on-off switch. 37 Reposition the engine cover and replace the screws to secure. 38 Realign the carburetor adaptor and secure it with the screws. 39 Confirm that the adaptor gasket is in place. 40 Now realign the air box, reposition the carburetor between the box and the adaptor then insert the upper mounting screw and thread it loosely. 41 Insert and thread the lower mounting screw and tighten both screws to secure. 42 Attach the fuel lines to the appropriate ports on the carburetor. 43 Attach the throttle cable to the appropriate hole in the throttle plate. 44 Insert the cable into the slot in the air box and replace the screw to secure. 45 Confirm that the piston is in the down position then reinsert the cord into the cylinder. 46 Slide on the starter cup. 47 Align the clutch on the cup. 48 Replace the washer then thread on the mounting nut and tighten. 49 Remove the cord from the cylinder. 50 Rethread the spark plug. 51 Be careful not to over tighten the plug. 52 Reposition the gas tank on the mounting posts. 53 Realign the gearbox assembly and rethread the screws to secure the assembly. 54 With the repair completed attach the spark plug wire and boot and your edger should be ready for use.