RY28120 Ryobi Trimmer - Overview

Diagrams for RY28120

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Trimmer Screw (M6 X 20 Mm) – Part Number: 660697002
$5.95
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Trimmer Screw (M6 X 20 Mm)
Part #660697002
A loose upper shaft or housing may be caused by a damaged or missing mounting screw. This black metal fastener has an M6 x 20 mm thread and a Torx-style head. Check the clamp, threaded hole, bracket, and nearby hardware before installing a replacement. Match the screw to the full tool model and parts diagram because its use may differ between machines. Shut down the tool and prevent it from starting. Thread the screw by hand to avoid damage, then tighten it securely without crushing or cracking the parts it holds.
Screw (m4 X 19 Mm) – Part Number: 660968001
$5.95
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Screw (m4 X 19 Mm)
Part #660968001
This is a genuine manufacturer-sourced replacement screw which is specially designed for use with Homelite and Ryobi handheld lawn and garden equipment. It is a standard hardware which has multiple applications based on the model of your tool, please refer to the appropriate diagrams for the correct location and use of this part. It is made of high-quality metal and it is sold individually.
Crankcase Cover – Part Number: 638337005
$5.95
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Crankcase Cover
Part #638337005
This is an authentic replacement part sourced directly from the manufacturer. The crankcase cover is commonly found in yard tools from Ryobi and Homelite, such as trimmers, blowers, pruners, and edgers. This part is made of metal, and is used in the short block assembly to house the crankcase. You may require an Allen wrench or screwdriver when replacing this item. The crankcase cover is provided as an individual replacement part.
Heat Shield – Part Number: 638442001
$5.95
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Heat Shield
Part #638442001
It is a genuine item that is supplied directly from the original equipment manufacturer for use with Ryobi and Homelite handheld lawn and garden equipment. This is an identical replacement for a missing or a faulty heat shield that was installed on a new unit. Please make sure to refer to the appropriate diagrams of your model for the correct location and application of this component. Keep in mind this high-quality part is made of durable metal and is sold individually. Note, the hardware to secure it is sold separately.
Heat Dam – Part Number: 518497001
$5.95
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Heat Dam
Part #518497001
It is a high-quality replacement part that is sourced directly from the original equipment manufacturer for use with Homelite and Ryobi handheld lawn and garden equipment. Heat dam acts as a spacer for carburetor allowing it to stay cool. It is made of durable plastic material and it is sold individually, please note gaskets and other components are all sold separately.
Starter Rope 42 In. – Part Number: 900849012
$5.95
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Starter Rope 42 In.
Part #900849012
This is a genuine replacement part that is manufactured for use with outdoor power equipment. This nylon rope wraps around the starter recoil, and is pulled by the user to start the engine. The starter rope is sold individually, please note the grip is available separately.
Trimmer Intake Gasket – Part Number: 901551001
$5.95
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Trimmer Intake Gasket
Part #901551001
Genuine OEM replacement part, this item is sold individually. The purpose of the 901551001 Intake Gasket is to create a seal between the Heat Dam and the cylinder head. Over time because of the heat it is exposed to this gasket will deteriorate and will have to be replaced.
Edger Wing Nut – Part Number: PS02453
$5.95
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Edger Wing Nut
Part #PS02453
This is a genuine Homelite replacement part. The wing nut (1/4-20) is made of high quality metal, and is designed for use in many string trimmers. This item assists in securing the handle to the upper boom assembly. A wrench is needed to make the repair. This part is available to be purchased individually.
Spring – Part Number: 638033001
$5.95
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Spring
Part #638033001
Clutch – Part Number: 300960002
$7.95
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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.
Label – Part Number: 940654088
$5.95
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Label
Part #940654088
Label ul fire warning
On - Off Switch – Part Number: 760700001
$7.44
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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
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bearing set up in lower shaft.
3 of 4 people found this instruction helpful.
  • Irvin from BURR OAK, MI
  • Very Easy
  • Less than 15 mins
  • Socket set
Purchased and replaced curved lower shaft assembly.
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THE DRIVE SPLINE IN THE MIDDLE OF THE SHAFT WOULD NOT ENGAGE
3 of 5 people found this instruction helpful.
  • JAE from MILL HALL, PA
  • Very Easy
  • Less than 15 mins
REPLACED LOWER SHAFT
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