DescriptionThis video provides step-by-step repair instructions for replacing the ignition module (which contains the ignition coil and spark plug boot) on a Craftsman chainsaw. The most common reason for replacing the ignition module is when the chainsaw won’t start.
All of the information for this ignition module replacement video is applicable to the following brands:
Craftsman, Poulan
Tools needed: T-25 Torx bit screwdriver, T-20 Torx bit screwdriver
Step-By-Step Instructions1
Before you replace the ignition module on your chainsaw first make sure the engine has cooled. and that the on-off switch is in the “off” position.
2
Now unthread the knob securing the air filter cover and pull the cover off.
3
Release the retaining bar securing the air filter and pull the filter out.
4
Use a t-25 torx bit screwdriver to remove the screws securing the engine cover.
5
Confirm that the chain brake is engaged then pull the cover off.
6
Now use the t-25 torx bit screwdriver to remove the screws securing the starter assembly.
7
With the screws removed, pull off the assembly and lift off the air baffle.
8
Now detach the ignition module wire and remove the wire and boot from the spark plug.
9
Confirm that the flywheel magnets are rotated out of the way then use a t-20 torx bit screwdriver to unthread the module mounting screws.
10
Remove the old component.
11
You’re now ready to install the new ignition module.
12
Align the module on the engine and thread the mounting screws loosely.
13
Remember to thread the upper screw through the grounding wire.
14
Now pull the module back and tighten the screws.
15
Insert a business card between the module and flywheel then rotate the flywheel so the magnets align with the module.
16
Loosen the screws to align the module the correct distance from the flywheel.
17
Re-tighten the screws and remove the card.
18
Connect the wire to the new module.
19
Replace the air baffle and confirm that the ignition module wire sleeve is aligned in the groove.
20
Reposition the starter assembly and replace the screws to secure.
21
Realign the engine cover.
22
Attach the wire and boot to the spark plug.
23
Replace the screws to secure the cover.
24
Replace the air filter in the housing and secure it with the retaining bar.
25
Realign the air filter cover and rethread the knob to secure.
26
With the repair completed turn the on-off switch to the “on” position and your chainsaw should be ready for use.