RY40002 Ryobi Trimmer - Overview

Diagrams for RY40002

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Screw – Part Number: 660208104
$5.95
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Screw
Part #660208104
Rear Handle Assembly – Part Number: 311222001
$32.95
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Rear Handle Assembly
Part #311222001
This rear handle assembly is designed to provide a secure, comfortable grip and structural support for handheld lawn and garden power tools. Made from durable, impact-resistant plastic, it houses the trigger mechanism and supports safe, controlled operation during use. Ideal for replacing a cracked or damaged handle, it helps restore proper handling, safety, and overall tool performance.
SCREW (M4 X 16 MM) – Part Number: T662028001
$5.95
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SCREW (M4 X 16 MM)
Part #T662028001
LOCK OFF BUTTON – Part Number: 525589001
$5.95
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LOCK OFF BUTTON
Part #525589001
This lock off button is an OEM from the Ryobi manufacturer. The plastic button is compatible with the RY40001 Power Head and the RY40002 Power Head Trimmer. This item is secured onto the switch trigger and contact plate assembly. The lock off button prevents the tool from unintentionally starting. This part is sold individually. A screwdriver is needed in making the repair.
SWITCH TRIGGER – Part Number: 526984001
$5.95
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SWITCH TRIGGER
Part #526984001
This Switch Trigger is an Authentic OEM replacement part sourced directly from Ryobi for the use in a Power Head Trimmer. The switch trigger allows the user to have control of the speed of the tool. The amount of pressure that is applied to the trigger the more speed you get. A screwdriver will be needed to repair this part. This is made of a high-quality plastic and is sold separately.
COMPRESSION SPRING – Part Number: 679406001
$5.95
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COMPRESSION SPRING
Part #679406001
This item has been sourced from the original manufacturer to ensure quality. The metal spring is intended to replace the original spring that would have come with the Ryobi trimmer. The spring is used to keep the switch in the correct position and to allow compression when the switch is actuated. This item is sold as an individual replacement part.
COMPRESSION SPRING – Part Number: 679494001
$5.95
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COMPRESSION SPRING
Part #679494001
SWITCH – Part Number: 760952001
$22.37
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SWITCH
Part #760952001
This is a genuine Ryobi replacement part that has been sourced from the original manufacturer and is intended to be used with trimmers. The switch assembly is used to relay electricity from the cord to the motor. This part is sold as an individual replacement part.
RUBBER PLATE – Part Number: 570115001
$5.95
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RUBBER PLATE
Part #570115001
DATA LABEL – Part Number: 940230203
$5.95
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DATA LABEL
Part #940230203
EXPANDIT LOGO LABEL – Part Number: 940726027
$5.95
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EXPANDIT LOGO LABEL
Part #940726027
EXPANDIT LOGO LABEL – Part Number: 940726028
$5.95
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EXPANDIT LOGO LABEL
Part #940726028

Questions And Answers for RY40002

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Dennis - For model number RY40002
April 11, 2023
how to replace triggers on head
Chris Boyle Profile
Hi Dennis, thank you for reaching out. Un-thread the screws of the rare handle assembly, locate the trigger, and remove the trigger switch and compressor spring. Install a new part. Put back all the parts in the same orientation. We hope this information is useful!
1 person found this instruction helpful.
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David - For model number RY40002
November 12, 2023
I need a replacement bump knob which is also part of the line spool of this trimmer. I believe the part number is # 530455002? It does not seem to appear in your parts list.
Chris Boyle Profile
Hi David, thank you for contacting us. The bump knob compatible with your model is part number PS16353017. We hope this helps.
$5.95
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BUMP KNOB (GREEN)
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Attachment clamp wing nut/bolt stripped out.
2 of 3 people found this instruction helpful.
  • Todd from LA PLACE, LA
  • Very Easy
  • Less than 15 mins
The upper boom assembly comes with the clamp and cost less than buying it separately, so I just took the clamp, spread it open, turned it a 1/4 turn clockwise and it came right off. Did the same with the new boom and clamp. Done!
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