Medium
30-60 minutes
Seat Assembly Check Valve 84-613-1
OEM part for: Walbro
Part Number: 84-613-1
$4.99
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This part will fit the following 280 machines
Walbro
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Show More Compatible Models
This item works with the following types of products:
- Blower Parts
This part replaces obsolete part #: 84-576, 84-546, 84-613
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great fixer
good deal ,great dealer
glennon -
October 25, 2022
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hard to find part
Thanks for carrying this part! I'll be back
Guest -
September 29, 2020
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Check valve walbro carb
Recieved parts in good condition. Installed check valve, supprised how this makes the engine run well. Thanks
Wayne Duppong
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July 3, 2019
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Customer Repair Instructions ?
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part.
The fuel purge line was blowing off the carburetor
Richard - April 3, 2016
👍 12 of 12 people found this instruction helpful
Tool Type
Chain Saw
Difficulty
Medium
Time
30-60 minutes
Tools Used
Screwdriver, Power Drill, awl
Parts Used
I'm presuming if you are doing this you already know how to take apart and reassemble and adjust the carburetor.
This is the check valve between the needle control diaphragm chamber, and mixture screws cavity. It does not usually need to be replaced, and does not come in the carb kit (I think it should, you really can't fully clean the carb with it in there). I damaged the existing check when cleaning the carburetor, which is why I had to replace it.
Its very shallow, so I used a drill press (to avoid over drilling and destroying the cavity) to enlarge the opening just a tiny bit, . Then I popped the old check valve out with an awl. I gently drove the new one in with a drift punch.
This was on a Poulan 2375, with a Walbro ST324 carburetor. ( I think its in the WA family) The check valve was a 84-613-1.
It runs pretty good without the check working, but at high revs back pressure from the carb throat gets into the diaphragm chamber, which blows off the purge line that goes from the carburetor, to the purge bulb. Replacing the check solved the problem.
This is the check valve between the needle control diaphragm chamber, and mixture screws cavity. It does not usually need to be replaced, and does not come in the carb kit (I think it should, you really can't fully clean the carb with it in there). I damaged the existing check when cleaning the carburetor, which is why I had to replace it.
Its very shallow, so I used a drill press (to avoid over drilling and destroying the cavity) to enlarge the opening just a tiny bit, . Then I popped the old check valve out with an awl. I gently drove the new one in with a drift punch.
This was on a Poulan 2375, with a Walbro ST324 carburetor. ( I think its in the WA family) The check valve was a 84-613-1.
It runs pretty good without the check working, but at high revs back pressure from the carb throat gets into the diaphragm chamber, which blows off the purge line that goes from the carburetor, to the purge bulb. Replacing the check solved the problem.
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Our customer service team are at the ready daily to answer your part and product questions. We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.
All our part reviews are solicited directly from other customers who have purchased this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
Based on data from past customer purchasing behaviors, these parts are most commonly purchased together along with the part you are viewing. These parts may be necessary or helpful to replace to complete your current repair.
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