RY28040SS26 Ryobi Trimmer - Overview

Diagrams for RY28040SS26

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Spool Retainer (Red-LH Thread) – Part Number: 308042003
$5.95
Special Order
Spool Retainer (Red-LH Thread)
Part #308042003
This is an OEM replacement part. It has a left hand threaded screw to remove and attach it to the trimmer head. Its purpose is to hold the spool with the cutting line, in the spool housing. It also acts as the bumper to advance the line from the spool. This is a well used and abused part of the trimmer. It may be a good idea to order an extra one.
Hanger Cap – Part Number: 518019004
$5.95
Special Order
Hanger Cap
Part #518019004
Genuine OEM replacement part, this item is sold individually. The purpose of the Hanger Cap is to place on the end of your Trimmer shaft assemblies that have the optional of the multiple add-on attachments. When you are not using the other attachments you can hang them up and get them out of the way. You can also remove the lower shaft on trimmers that have a upper and lower shaft assembly and hang it up also.
Screw (1/4-20 X 1-1/4 In.) – Part Number: 983381007
$5.95
Special Order
Screw (1/4-20 X 1-1/4 In.)
Part #983381007
It is a genuine item that is supplied directly from the original equipment manufacturer for use with Homelite and Ryobi handheld lawn and garden equipment. This is the special screw which is utilized to secure the gear head, please refer to the appropriate diagrams of your model for the correct location and application of this hardware. Keep in mind this durable metal hex head screw is sold individually, you will need a wrench to secure or remove it.
Screw (10-24 X 5/8 In.) – Part Number: 983774003
$5.95
Special Order
Screw (10-24 X 5/8 In.)
Part #983774003
It is a genuine OEM sourced replacement screw which is specially produced for use with Homelite and Ryobi handheld lawn and garden equipment. This is a standard hardware which has multiple applications depending on the model of your unit, please refer to appropriate diagrams for the correct location and use of this item. It is a high-quality hex head screw which is made of durable metal and it is sold individually.
Spring – Part Number: 638033001
$5.95
Special Order
Spring
Part #638033001
Clutch – Part Number: 300960002
$7.95
Special Order
Clutch
Part #300960002
This is an OEM sourced replacement part used on gas trimmers. A centrifugal clutch is a part that uses centrifugal force to connect two concentric shafts, with the driving shaft nested inside the driven shaft. Today's centrifugal clutches will function even when they shouldn't, far beyond the point of when they need to be replaced. Keeping an eye on equipment performance will determine when the centrifugal clutch requires attention. Please note the clutch drum, spacer and washer are all sold separately. This clutch is made out of metal and it is sold individually. To replace this item you would need a screwdriver and pliers.
Gear Head – Part Number: 308210009
$36.95
Special Order
Gear Head
Part #308210009
This Gear gear head assembly is designed to transfer power from the drive shaft to the cutting head, allowing the string trimmer or brush cutter to operate smoothly and efficiently. Housed in a durable gearcase, it supports reliable rotation and helps maintain consistent cutting performance during use. Replacing a worn or damaged gear head can resolve issues such as loss of power to the cutting head, excessive noise, or erratic operation, restoring dependable performance. A properly functioning gear head also helps reduce strain on the drive system, contributing to longer service life and more efficient trimming results.
Spring – Part Number: 06713
$5.95
In Stock
Spring
Part #06713
This is a genuine OEM replacement part, it is sold individually. This spring is used in a number of String Trimmers and Brush Cutters. This Spring is part of the String advancing system. It is placed in between the spool and the spool housing. Over time the spring will lose its tension and will have to be replaced.
Clamp – Part Number: PS04420
$5.95
Special Order
Clamp
Part #PS04420
This is a genuine item that is supplied by the original equipment manufacturer for Ryobi, Toro and Homelite handheld lawn and garden equipment. It is an identical replacement for a missing or damaged string guard clamp that was originally installed on a new unit, please make sure to refer to the owners manual of your model for the correct application of this component. Keep in mind this high-quality part is made of durable metal and is sold individually.
On - Off Switch – Part Number: 760700001
$7.44
Special Order
On - Off Switch
Part #760700001
This replacement part is sourced directly from original equipment manufacturer. This switch is designed for use with a variety of power equipment. It is an important piece of hardware responsible for handling on/off function of equipment. Because switches have internal mechanical part, over time they will break down requiring replacement. This switch has a plastic body and it includes a clear plastic cover. To complete this repair you would need a screwdriver. • First make sure the unit is not plugged in • Then you want to separate housing pieces by removing screws • Disconnect wires from the old switch • Replace old switch with a new one • Reconnect wires • Reassemble and test the unit
Washer – Part Number: PS05268
$5.95
Special Order
Washer
Part #PS05268
This is an authentic OEM sourced replacement washer which is specially designed for use with Homelite, Ryobi and Ridgid handheld lawn and garden equipment. Washers are commonly utilized to provide a tight seal between connected pieces, please refer to the appropriate diagrams of your model for the correct location and application of this hardware. It is a high-quality item which is made of durable metal and is sold individually.
PRIMER BULB – Part Number: 561635001
$6.95
Special Order
PRIMER BULB
Part #561635001
This is a genuine Ruixing replacement part, it is sold individually. By pressing the bulb, it will purge the carburetor of air. Fuel will be forced up from the fuel tank through the fuel line then into the carburetor. Then the excess fuel will be forced back into the fuel tank through the fuel return line. At some time the primer will lose its elasticity or crack and need to be replaced. We have an article and video on How to Replace a Primer Bulb, in our Repair Center. That can be found on the front page of our site.