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Bump Feed Knob

Part Number: 791-181468B
RyobiMTDTroy-BiltYard ManBolens
Availability: 25+ in stock
Price: $11.87
Quantity:
Order within the next 4 hours
and your part ships today!

*This part replaces obsolete part #: 181468 and 791-181468.

Product Information
Manufacturer: Ryobi, MTD, Troy-Bilt, Yard Man, Bolens
Product Number: 791-181468B
Classification: Part
Weight: 0.09 lbs.
Also Known As: Bump Cap, Bump Cover, Spool Cover, Bump Knob
Shipping: Ships Worldwide
Description:
This is an OEM replacement part,it is sold individually.
The Bumper Head Knob is the part of the trimmer that when struck on the ground, advances the trimmer line in the spool.

To remove the Bumper Head Knob, thread it off the spindle of the gear box assembly.

Compatibility

This part is compatible with the following machines:

Ryobi
MTD
Troy-Bilt
Yard Man
Bolens

Products Compatibility

This item works with the following types of products:

  • • Trimmer
Questions & Answers

Where can I purchase eyelet on edger
Edward Lakomy for model number TB635EC
Hello Edward, thank you for writing. It is included with the replacement Cutting Head Assembly part 753-08156 for your model.
Repair Instructions: Submitted by Customers Like You
10 of 13 people found this instruction helpful
Tool Type:
Trimmer
Parts Used:
Bump Feed Knob - 791-181468B
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Adjustable Wrench
Bump head wore out
Very easy fix. Unscrew old bump head and screw in new one.
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6 of 6 people found this instruction helpful
Tool Type:
Trimmer
Parts Used:
Bump Feed Knob - 791-181468B
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Pliers, small scraper, small brush
Bumper no longer worked. Did not extend far enough out, end worn out.
Unscrew the old one. Clean out the grass and dirt. Screw the new Bumper in.
Test the bumper. It took several bumps before it worked. It might be better
to clean out the entire trimmer head.
The only difficulty was grasping the old bumper to unscrew it. Wasn't much left of the old one.
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3 of 3 people found this instruction helpful
Tool Type:
Trimmer
Parts Used:
Bump Feed Knob - 791-181468B
Reel and Line Assembly - 791-181460B
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
, no tools required
Ryobi Bump Head Knob Assembly and Reel & Line assembly was worn out. Just needed new parts.
Just replaced the parts that I ordered and I was back in business with my electric Ryobi weed eater/edger. I've ordered these replacement parts before and have always been very pleased.
Thank you ereplacementparts.com
Just unscrew the old bumper and release the the spool, install the new spool and screw in the new bumper
A satisfied customer
Carol from Texas
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2 of 2 people found this instruction helpful
Tool Type:
Trimmer
Parts Used:
Bump Feed Knob - 791-181468B
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Screwdriver
The bump head knob had broken off
Removed broken part and replaced it with the replacement part. Just screwed off the old part and screwed on the new one. Works great now. Glad I found this site and didn't have to purchase a whole new trimmer head.
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2 of 2 people found this instruction helpful
Tool Type:
Trimmer
Parts Used:
Bump Feed Knob - 791-181468B
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Pliers
Bump head worn
Simply unthread the old worn one, then thread on the new one.
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1 of 1 people found this instruction helpful
Tool Type:
Trimmer
Parts Used:
Bump Feed Knob - 791-181468B
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
, Hands
Worn out bump knob.
Way to easy just screw it on.
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Tool Type:
Trimmer
Parts Used:
Bump Feed Knob - 791-181468B
Reel and Line Assembly - 791-181460B
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Adjustable Wrench
Bump head wore out, fell apart and lost the spring.
Removed the old parts and put on the new parts and I was back in business.
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Tool Type:
Trimmer
Parts Used:
Bump Feed Knob - 791-181468B
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
, Hand
Trimmer wouldn't feed line
Unscrewed old knob, installed new.
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Tool Type:
Trimmer
Parts Used:
Bump Feed Knob - 791-181468B
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
, Hands
The bump knob was broken
Removed the old bump knob and installed the new bump knob
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Tool Type:
Trimmer
Parts Used:
Small Speed Spool Spring - 791-181459
Plunger - 791-181462
Slider - 753-04257
Bump Feed Knob - 791-181468B
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Pliers, Snap ring pliers
Ratcheting line feed mechanism failed-line would unspool until empty
1.Cleaned entire hub interior.
2. Lubricated appropriate areas with light grease.
3. Installed replacement parts using snap ring and C-clip.
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Reviews
5
Average Rating (out of 5):
13 Reviews
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  • Easy repair.
    Looking to get my string trimmer a few parts that I was missing and was glad you had them available to me.
    Bruce - 16 days ago Verified Purchase
    Easy repair
    Arrived quickly
    Guest - July 20, 2019 Verified Purchase
    worked well
    easy, quick, would use your company again thanks
    Guest - July 16, 2019 Verified Purchase
    Worked as expected
    Arrived as i expected and worked perfectly. Good service. Thanks.
    Guest - July 6, 2019 Verified Purchase
    Needed one part, Got it easily
    It was easy to identify and purchase the part I needed. It arrived quickly, attached perfectly, and I was back to work with the weed whacker a minute later. Very positive experience.
    Guest - July 5, 2019 Verified Purchase
    Easy repair.
    It worked great!!
    Guest - June 29, 2019 Verified Purchase
    exactly the right part for my trimmer
    This was the perfect replacement part. Now I can use my old trimmer again.
    Guest - June 18, 2019 Verified Purchase
    Just a Fit!!!
    The part was just what we needed to get our string trimmer operating again.
    Guest - June 3, 2019 Verified Purchase
    Repair was fast and just like new
    The parts were received without any issues I am very happy with the results I installed them that night and am back up and running looking for other parts and will be ordering them soon
    Guest - May 14, 2019 Verified Purchase
    Great replacement part
    This was the perfect replacement part and my trimmer is back to working order. Shipment was quick as well.
    Rob - May 13, 2019 Verified Purchase
    Verified Purchase
    eReplacementParts Team
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    • Most Recent
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    Product Information
    Manufacturer: Ryobi, MTD, Troy-Bilt, Yard Man, Bolens
    Product Number: 791-181468B
    Classification: Part
    Weight: 0.09 lbs.
    Also Known As: Bump Cap, Bump Cover, Spool Cover, Bump Knob
    Shipping: Ships Worldwide
    Repair Guides
    Watch the Repair Video for Bump Feed Knob
    How to Replace the Bump Head Knob Assembly on a Ryobi Trimmer
    Articles:
    How to Replace the Bump Head Knob Assembly on a Ryobi Trimmer
    Step-by-step instructions for removing and installing the bump head knob assembly on a Ryobi trimmer....
    September 21, 2015
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