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Video & Articles: Appliance & Equipment RepairHomelite Leaf Blower Ignition Coil Replacement (850108009) 
Homelite Leaf Blower Ignition Coil Replacement (850108009)
Skill Level
Total Parts Cost
$18.44Estimated Savings
$112.5006:06
- Description
This video provides step-by-step instructions for replacing the ignition coil on Homelite leaf blowers. The most common reason for replacing the ignition coil is if the leaf blower is running rough.
All of the information in this ignition coil replacement video is applicable to the following brands: Ryobi & Homelite.
Tools used: T-20 Torx bit, flat-head screwdriver, ¾-inch socket or a Spark Plug Wrench, half-inch socket or wrench.
All of the information in this ignition coil replacement video is applicable to the following brands: Ryobi & Homelite.
Tools used: T-20 Torx bit, flat-head screwdriver, ¾-inch socket or a Spark Plug Wrench, half-inch socket or wrench.
Step By Step Instructions
1
Leaf Blower Ignition Coil Replacement
2
Homelite Hand-Held Leaf Blower - Model UT09526
3
ATTENTION: TOOLS NEEDED
4
"You will need a T-20 Torx bit, a flat-head screwdriver, a 3/4 –inch socket or a spark plug wrench, a half-inch socket or wrench, and a business card or piece of cardboard for this procedure."
5
Make sure the engine has cooled.
6
Remove the wire and boot from the spark plug to prevent the engine from accidentally starting.
7
Rotate the blower tube assembly counter-clockwise to detach it from the blower housing.
8
"Using a T-20 Torx bit, unthread the ten screws securing the blower cover."
9
Use a flat-head screwdriver to release the retaining clip to fully remove the cover.
10
Use a 3/4 –inch socket or a spark plug wrench to unthread the spark plug.
11
"Confirm the engine piston is in the “down†position, then insert a cord into the cylinder to prevent the piston from moving."
12
Use a half-inch socket or wrench to unthread the blower fan blade retaining nut and remove the fan blade.
13
Remove the washer.
14
"Unthread the three mounting screws to release the engine cover, then unthread the four screws securing the lower housing assembly."
15
Remove the housing assembly.
16
"Make sure the flywheel magnets are rotated out of the way, then unthread the mounting screws to release the old coil."
17
"Install the new ignition coil by aligning it on the engine block, then thread the mounting screws loosely."
18
Pull the coil back and tighten the screws.
19
Insert a business card between the coil and flywheel then rotate the flywheel so the magnets align with the coil.
20
Loosen the screws to align the coil the correct distance from the flywheel.
21
Retighten the screws and remove the card.
22
Reinsert the cord to keep the piston in the down position if required.
23
Reposition the lower housing assembly and thread the screws to secure.
24
Realign the engine cover and secure it with the screws.
25
Slide the washer onto the motor shaft.
26
"Reposition the fan blade, then thread the retaining nut to secure."
27
Remove the cord from the cylinder and rethread the spark plug.
28
Be careful not to damage the threads by overtightening.
29
Reposition the blower cover on the housing and snap the retaining clip into place.
30
Thread all of the screws.
31
Reattach the blower tube assembly by aligning it on the blower housing and rotating clockwise until the tube locks into place.
32
Reattach the wire and boot to the spark plug.
33
Congrats! Your leaf blower is ready for use.
Description
This video provides step-by-step instructions for replacing the ignition coil on Homelite leaf blowers. The most common reason for replacing the ignition coil is if the leaf blower is running rough.
All of the information in this ignition coil replacement video is applicable to the following brands: Ryobi & Homelite.
Tools used: T-20 Torx bit, flat-head screwdriver, ¾-inch socket or a Spark Plug Wrench, half-inch socket or wrench.
All of the information in this ignition coil replacement video is applicable to the following brands: Ryobi & Homelite.
Tools used: T-20 Torx bit, flat-head screwdriver, ¾-inch socket or a Spark Plug Wrench, half-inch socket or wrench.
Step-By-Step Instructions
1
Leaf Blower Ignition Coil Replacement
2
Homelite Hand-Held Leaf Blower - Model UT09526
3
ATTENTION: TOOLS NEEDED
4
"You will need a T-20 Torx bit, a flat-head screwdriver, a 3/4 –inch socket or a spark plug wrench, a half-inch socket or wrench, and a business card or piece of cardboard for this procedure."
5
Make sure the engine has cooled.
6
Remove the wire and boot from the spark plug to prevent the engine from accidentally starting.
7
Rotate the blower tube assembly counter-clockwise to detach it from the blower housing.
8
"Using a T-20 Torx bit, unthread the ten screws securing the blower cover."
9
Use a flat-head screwdriver to release the retaining clip to fully remove the cover.
10
Use a 3/4 –inch socket or a spark plug wrench to unthread the spark plug.
11
"Confirm the engine piston is in the “down†position, then insert a cord into the cylinder to prevent the piston from moving."
12
Use a half-inch socket or wrench to unthread the blower fan blade retaining nut and remove the fan blade.
13
Remove the washer.
14
"Unthread the three mounting screws to release the engine cover, then unthread the four screws securing the lower housing assembly."
15
Remove the housing assembly.
16
"Make sure the flywheel magnets are rotated out of the way, then unthread the mounting screws to release the old coil."
17
"Install the new ignition coil by aligning it on the engine block, then thread the mounting screws loosely."
18
Pull the coil back and tighten the screws.
19
Insert a business card between the coil and flywheel then rotate the flywheel so the magnets align with the coil.
20
Loosen the screws to align the coil the correct distance from the flywheel.
21
Retighten the screws and remove the card.
22
Reinsert the cord to keep the piston in the down position if required.
23
Reposition the lower housing assembly and thread the screws to secure.
24
Realign the engine cover and secure it with the screws.
25
Slide the washer onto the motor shaft.
26
"Reposition the fan blade, then thread the retaining nut to secure."
27
Remove the cord from the cylinder and rethread the spark plug.
28
Be careful not to damage the threads by overtightening.
29
Reposition the blower cover on the housing and snap the retaining clip into place.
30
Thread all of the screws.
31
Reattach the blower tube assembly by aligning it on the blower housing and rotating clockwise until the tube locks into place.
32
Reattach the wire and boot to the spark plug.
33
Congrats! Your leaf blower is ready for use.
Applicable Product Model
Total$0.00
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