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Video & Articles: Appliance & Equipment RepairBriggs & Stratton Lawn Mower Replace Engine Breather #590395
Briggs & Stratton Lawn Mower Replace Engine Breather #590395
Skill Level
Total Parts Cost
$14.97Estimated Savings
$112.5006:02
- Description
This video provides step-by-step repair instructions for replacing the breather on a Briggs and Stratton small engine (commonly found in lawn mowers, riding tractors, zero-turn radius mowers, wheeled edgers, pressure washers, and generators). The most common reason for replacing the breather is when the small engine runs poorly.
All of the information for this breather replacement video is applicable to the following brands:
Briggs & Stratton, Toro, John Deere, Lawn Boy, Craftsman
Tools needed: flat-head screwdriver, hammer, 7/16th inch socket, 3/8th inch socket or nut driver, Phillips-head screwdriver, 5/16th inch socket or nut driver, 3/8th inch socket or nut driver, pliers
All of the information for this breather replacement video is applicable to the following brands:
Briggs & Stratton, Toro, John Deere, Lawn Boy, Craftsman
Tools needed: flat-head screwdriver, hammer, 7/16th inch socket, 3/8th inch socket or nut driver, Phillips-head screwdriver, 5/16th inch socket or nut driver, 3/8th inch socket or nut driver, pliers
Step By Step Instructions
1
Before you replace the breather on your engine first make sure the engine and muffler have cooled.
2
Next, you should remove the wire and boot from the spark plug to prevent the engine from accidentally starting.
3
We recommend performing this procedure with little or no fuel in the tank.
4
Use a flat-head screwdriver and hammer to bend the muffler mounting bolt locking tabs out of the way.
5
Now use a 7/16th inch socket to loosen and unthread the bolts.
6
Pull the muffler free of the cylinder along with the choke thermostat.
7
Use a 3/8th inch socket or nut driver to unthread the mounting bolts securing the breather.
8
Pull off the old breather.
9
Install the new breather by positioning it on the crankcase.
10
Rethread and tighten the bolts to secure.
11
To reinstall the choke thermostat and muffler assembly, confirm that the locking tab plate, bolts, gasket and heat shield are in place on the muffler.
12
Now position the inner thermostat gasket on the muffler followed by the choke thermostat itself and the outer gasket.
13
To allow proper alignment of the choke thermostat arm, we recommend removing the blower housing.
14
To do this, use a phillips-head screwdriver to unthread the mounting screws securing the engine cover.
15
Next, release the starter rope from the retainer.
16
Pull the cover off.
17
Now use a 5/16th inch socket or nut driver to remove the screws securing the fuel tank.
18
Use a 3/8th inch socket to remove the mounting bolt securing the tank to the side of the engine block.
19
Set the tank aside.
20
You can now remove the 3/8th inch bolts securing the blower housing.
21
Pull off the blower housing and oil dipstick tube.
22
Now apply some anti-seize to the threads of the muffler mounting bolts.
23
Position the muffler assembly on the cylinder, making sure the choke thermostat arm is inside the air vane hook.
24
Thread the mounting bolts and torque them to seven-and-a-half foot pounds.
25
Bend the locking tabs in to prevent the bolts from unthreading.
26
Be aware that the thermostat arm needs to be aligned between the markings on both the front and side of the air vane hook.
27
Replace the blower housing making sure the attached dipstick tube is inserted into the sump.
28
Thread the mounting bolts to secure and torque them to seven-and-a-half foot pounds.
29
Confirm that the spacer is in place on the fuel tank then reposition the tank on the blower housing.
30
Replace the bolt and mounting screws to secure.
31
Realign the engine cover.
32
Rethread and tighten the mounting screws.
33
Depress the bail arm, extend the starter rope and secure it in the retainer.
34
With the repair completed reattach the wire and boot to the spark plug refill the fuel tank and your engine should be ready for use.
Description
This video provides step-by-step repair instructions for replacing the breather on a Briggs and Stratton small engine (commonly found in lawn mowers, riding tractors, zero-turn radius mowers, wheeled edgers, pressure washers, and generators). The most common reason for replacing the breather is when the small engine runs poorly.
All of the information for this breather replacement video is applicable to the following brands:
Briggs & Stratton, Toro, John Deere, Lawn Boy, Craftsman
Tools needed: flat-head screwdriver, hammer, 7/16th inch socket, 3/8th inch socket or nut driver, Phillips-head screwdriver, 5/16th inch socket or nut driver, 3/8th inch socket or nut driver, pliers
All of the information for this breather replacement video is applicable to the following brands:
Briggs & Stratton, Toro, John Deere, Lawn Boy, Craftsman
Tools needed: flat-head screwdriver, hammer, 7/16th inch socket, 3/8th inch socket or nut driver, Phillips-head screwdriver, 5/16th inch socket or nut driver, 3/8th inch socket or nut driver, pliers
Step-By-Step Instructions
1
Before you replace the breather on your engine first make sure the engine and muffler have cooled.
2
Next, you should remove the wire and boot from the spark plug to prevent the engine from accidentally starting.
3
We recommend performing this procedure with little or no fuel in the tank.
4
Use a flat-head screwdriver and hammer to bend the muffler mounting bolt locking tabs out of the way.
5
Now use a 7/16th inch socket to loosen and unthread the bolts.
6
Pull the muffler free of the cylinder along with the choke thermostat.
7
Use a 3/8th inch socket or nut driver to unthread the mounting bolts securing the breather.
8
Pull off the old breather.
9
Install the new breather by positioning it on the crankcase.
10
Rethread and tighten the bolts to secure.
11
To reinstall the choke thermostat and muffler assembly, confirm that the locking tab plate, bolts, gasket and heat shield are in place on the muffler.
12
Now position the inner thermostat gasket on the muffler followed by the choke thermostat itself and the outer gasket.
13
To allow proper alignment of the choke thermostat arm, we recommend removing the blower housing.
14
To do this, use a phillips-head screwdriver to unthread the mounting screws securing the engine cover.
15
Next, release the starter rope from the retainer.
16
Pull the cover off.
17
Now use a 5/16th inch socket or nut driver to remove the screws securing the fuel tank.
18
Use a 3/8th inch socket to remove the mounting bolt securing the tank to the side of the engine block.
19
Set the tank aside.
20
You can now remove the 3/8th inch bolts securing the blower housing.
21
Pull off the blower housing and oil dipstick tube.
22
Now apply some anti-seize to the threads of the muffler mounting bolts.
23
Position the muffler assembly on the cylinder, making sure the choke thermostat arm is inside the air vane hook.
24
Thread the mounting bolts and torque them to seven-and-a-half foot pounds.
25
Bend the locking tabs in to prevent the bolts from unthreading.
26
Be aware that the thermostat arm needs to be aligned between the markings on both the front and side of the air vane hook.
27
Replace the blower housing making sure the attached dipstick tube is inserted into the sump.
28
Thread the mounting bolts to secure and torque them to seven-and-a-half foot pounds.
29
Confirm that the spacer is in place on the fuel tank then reposition the tank on the blower housing.
30
Replace the bolt and mounting screws to secure.
31
Realign the engine cover.
32
Rethread and tighten the mounting screws.
33
Depress the bail arm, extend the starter rope and secure it in the retainer.
34
With the repair completed reattach the wire and boot to the spark plug refill the fuel tank and your engine should be ready for use.
Applicable Product Model
Parts Needed
Breather
$14.97
Total$0.00
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