Video & Articles: Appliance & Equipment RepairBriggs & Stratton Riding Lawn Mower Brush Retainer #691293

Briggs & Stratton Riding Lawn Mower Brush Retainer #691293

05:06
This video provides step-by-step instructions for replacing the brush retainer on Briggs and Stratton small engines, commonly found in Toro, John Deere, Lawn Boy, and Craftsman riding lawn mowers. The most common reason for replacing a brush retainer is if the brush is worn or the retainer is damaged and not sitting properly, which can cause the starter motor to not get current from the battery.

All of the information in this brush retainer replacement video is applicable to the following brands: Briggs & Stratton, Toro, John Deere, Lawn Boy, Craftsman

Tools used: 1/4” socket or nut driver, 3/8” socket or nut driver, 7/16” wrench, 1/2” socket or wrench, 5/16” socket or nut driver

Step By Step Instructions

1
Before you replace the brush retainer assembly in your engine starter, make sure the engine has cooled, the ignition switch is in the off position, and the key has been removed if applicable.
2
If necessary, disconnect the headlight wire harness.
3
Then, lift up the hood or engine cover and detach it.
4
Now, rotate the air filter cover retaining knobs counterclockwise and pull off the cover.
5
Lift out the air filter.
6
Use a quarter-inch socket or nut driver to unthread the screw inside the filter housing.
7
Now, use a 3/8-inch socket or wrench to unthread the four blower housing mounting bolts.
8
Detach the oil drain tube and lift off the blower housing.
9
Use a 7/16-inch wrench to help unthread the nut securing the wire to the starter.
10
Pull the wire off and use a half-inch socket and wrench to unthread the starter mounting bolts.
11
With the bolts unthreaded, detach the starter.
12
Use a 5/16-inch socket or nut driver to remove the bolts securing the bottom plate.
13
Remove the plate and pull out the old brush retainer assembly.
14
Install the new brush retainer assembly by inserting it into the bottom of the starter housing.
15
Once in place, pull out the retaining pins.
16
Realign the bottom plate, reinsert the bolts, and tighten to secure the plate.
17
Realign the starter on the engine, then secure it with the mounting bolts.
18
Remember to secure the wire retainer under the left bolt and secure the wires before tightening the bolt.
19
Attach the wire to the starter and replace the nut to secure.
20
Reposition the blower housing.
21
Make sure the housing is properly seated on the air diverter.
22
Re-thread and tighten the mounting bolts to secure the housing.
23
The longer bolts go in the back.
24
Replace the screw in the filter housing.
25
Reposition the air filter, realign the cover, and rotate the retaining knobs clockwise to secure.
26
Reattach the oil drain tube to the blower housing.
27
Reinstall the hood or engine cover and reconnect the headlight wire harness if applicable.
Description
This video provides step-by-step instructions for replacing the brush retainer on Briggs and Stratton small engines, commonly found in Toro, John Deere, Lawn Boy, and Craftsman riding lawn mowers. The most common reason for replacing a brush retainer is if the brush is worn or the retainer is damaged and not sitting properly, which can cause the starter motor to not get current from the battery.

All of the information in this brush retainer replacement video is applicable to the following brands: Briggs & Stratton, Toro, John Deere, Lawn Boy, Craftsman

Tools used: 1/4” socket or nut driver, 3/8” socket or nut driver, 7/16” wrench, 1/2” socket or wrench, 5/16” socket or nut driver
Step-By-Step Instructions
1
Before you replace the brush retainer assembly in your engine starter, make sure the engine has cooled, the ignition switch is in the off position, and the key has been removed if applicable.
2
If necessary, disconnect the headlight wire harness.
3
Then, lift up the hood or engine cover and detach it.
4
Now, rotate the air filter cover retaining knobs counterclockwise and pull off the cover.
5
Lift out the air filter.
6
Use a quarter-inch socket or nut driver to unthread the screw inside the filter housing.
7
Now, use a 3/8-inch socket or wrench to unthread the four blower housing mounting bolts.
8
Detach the oil drain tube and lift off the blower housing.
9
Use a 7/16-inch wrench to help unthread the nut securing the wire to the starter.
10
Pull the wire off and use a half-inch socket and wrench to unthread the starter mounting bolts.
11
With the bolts unthreaded, detach the starter.
12
Use a 5/16-inch socket or nut driver to remove the bolts securing the bottom plate.
13
Remove the plate and pull out the old brush retainer assembly.
14
Install the new brush retainer assembly by inserting it into the bottom of the starter housing.
15
Once in place, pull out the retaining pins.
16
Realign the bottom plate, reinsert the bolts, and tighten to secure the plate.
17
Realign the starter on the engine, then secure it with the mounting bolts.
18
Remember to secure the wire retainer under the left bolt and secure the wires before tightening the bolt.
19
Attach the wire to the starter and replace the nut to secure.
20
Reposition the blower housing.
21
Make sure the housing is properly seated on the air diverter.
22
Re-thread and tighten the mounting bolts to secure the housing.
23
The longer bolts go in the back.
24
Replace the screw in the filter housing.
25
Reposition the air filter, realign the cover, and rotate the retaining knobs clockwise to secure.
26
Reattach the oil drain tube to the blower housing.
27
Reinstall the hood or engine cover and reconnect the headlight wire harness if applicable.

Applicable Product Model

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