Video & Articles: Appliance & Equipment RepairPoulan Pro String Trimmer Replace Drive Shaft #530071788

Poulan Pro String Trimmer Replace Drive Shaft #530071788

02:18
This video provides step-by-step instructions for replacing the lower drive shaft on Poulan string trimmers. The most common reason for replacing the lower drive shaft is if it is damaged, causing the trimmer head not to spin.

All of the information in this drive shaft replacement video is applicable to the following brands: Poulan, Poulan Pro, Weedeater, Craftsman

Tools used: channel locks, ratchet and socket

Step By Step Instructions

1
Before you replace the lower drive shaft on your string trimmer first remove the wire and boot from the spark plug to prevent the engine from accidentally starting.
2
Keeping your hands clear of the line cutter, secure the drive hub with a wrench and unthread the trimmer head by rotating it counter-clockwise.
3
Next, unscrew the wingnut securing the string guard and remove the guard.
4
Now, loosen the locking nut then loosen the knob securing the old lower drive shaft.
5
Depress the alignment pin and pull the old drive shaft out.
6
Prepare the new lower drive shaft for installation by removing the protective cap.
7
Now insert the shaft into the upper drive shaft until the alignment pin snaps into place.
8
Tighten the knob first then tighten the locking nut.
9
Align the string guard on the mounting bracket and secure it with the wingnut.
10
Install the trimmer head by threading it clockwise onto the drive hub screw.
11
Reattach the wire and boot to the spark plug and your string trimmer should be ready for use.
Description
This video provides step-by-step instructions for replacing the lower drive shaft on Poulan string trimmers. The most common reason for replacing the lower drive shaft is if it is damaged, causing the trimmer head not to spin.

All of the information in this drive shaft replacement video is applicable to the following brands: Poulan, Poulan Pro, Weedeater, Craftsman

Tools used: channel locks, ratchet and socket
Step-By-Step Instructions
1
Before you replace the lower drive shaft on your string trimmer first remove the wire and boot from the spark plug to prevent the engine from accidentally starting.
2
Keeping your hands clear of the line cutter, secure the drive hub with a wrench and unthread the trimmer head by rotating it counter-clockwise.
3
Next, unscrew the wingnut securing the string guard and remove the guard.
4
Now, loosen the locking nut then loosen the knob securing the old lower drive shaft.
5
Depress the alignment pin and pull the old drive shaft out.
6
Prepare the new lower drive shaft for installation by removing the protective cap.
7
Now insert the shaft into the upper drive shaft until the alignment pin snaps into place.
8
Tighten the knob first then tighten the locking nut.
9
Align the string guard on the mounting bracket and secure it with the wingnut.
10
Install the trimmer head by threading it clockwise onto the drive hub screw.
11
Reattach the wire and boot to the spark plug and your string trimmer should be ready for use.

Applicable Product Model

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