1. Introduction
This instruction manual provides essential information for the proper identification, installation, and maintenance of the RYOBI 526920001 Genuine Spacer. This component is designed as a replacement part for various power tools to ensure correct spacing and secure fitting of blades or other operational elements. Please read this manual thoroughly before attempting any installation or replacement procedures.
2. Product Overview
The RYOBI 526920001 is a genuine OEM (Original Equipment Manufacturer) replacement plastic spacer. It is supplied in bulk packaging and is critical for maintaining the correct operational clearances within compatible power tools. Its primary function is to provide precise spacing, which is vital for the safe and effective operation of the equipment.

Image 1: The RYOBI 526920001 Genuine Plastic Spacer. This image displays the square-shaped plastic component with a distinct, irregularly shaped central opening, designed for specific tool applications.
3. Compatibility
This genuine spacer is compatible with a range of power tools from various brands. It is specifically listed for Ryobi model RY40107. Additionally, it is used on equipment from HOMELITE, RIDGID, Troy-BILT, Echo, Powerstroke, Workforce, and BLACKMAX. To ensure proper fit and function, always consult the owner's manual for your specific power tool to verify the correct part number identification before installation.
4. Installation
Proper installation of the 526920001 spacer is crucial for the safe and effective operation of your power tool. Always prioritize safety by disconnecting the tool from its power source before beginning any installation or maintenance.
- Consult Your Tool's Manual: Refer to the specific owner's manual for your power tool for detailed, step-by-step instructions on how to access and replace the spacer. This will provide precise guidance on disassembly and reassembly procedures.
- Part Number Verification: Confirm that the 526920001 spacer matches the part number specified in your tool's manual. Incorrect parts can lead to improper function or damage.
- Placement: Install the spacer in its designated position, ensuring it sits flush and provides the necessary clearance for the blade or other components.
- Secure Fasteners: Reassemble the tool, ensuring all fasteners are tightened according to the manufacturer's specifications. Do not overtighten.
- Functionality Check: After reassembly, perform a manual check to ensure all moving parts operate freely and without obstruction before reconnecting power and operating the tool.
Safety Warning: Failure to install the spacer correctly can result in equipment malfunction, personal injury, or damage to the tool.
5. Operating Function
Once correctly installed, the RYOBI 526920001 spacer functions passively by maintaining the precise distance between components, typically a blade and its mounting hardware. This ensures that the blade operates without excessive friction, wobble, or misalignment, which are critical for cutting precision and preventing premature wear on both the blade and the tool's motor or drive system.
6. Maintenance
As a plastic component, the spacer is subject to wear over time, especially in high-stress applications. Regular inspection is recommended.
- Visual Inspection: Periodically inspect the spacer for signs of wear, cracks, deformation, or thinning. This should be done during routine tool maintenance or blade changes.
- Replacement: If any signs of wear or damage are observed, the spacer should be replaced immediately with a genuine RYOBI 526920001 part to ensure continued safe and effective operation. Some users report needing to replace this type of plastic spacer after a season of heavy use.
7. Troubleshooting
Issues related to the spacer are typically straightforward to diagnose.
- Blade Wobble or Vibration: If the blade exhibits excessive wobble or the tool vibrates unusually, the spacer may be worn, damaged, or incorrectly installed. Disassemble and inspect the spacer and its seating.
- Improper Blade Fit: If the blade does not seat correctly or there is too much play, verify that the correct spacer is being used and that it is oriented properly.
- Difficulty in Assembly: If the spacer does not fit easily into its designated position, do not force it. Re-check the part number and ensure there are no obstructions or manufacturing defects.
8. Specifications
| Part Number | 526920001 |
| Item Model Number | HM-526920001-VB |
| Material | Plastic |
| Product Dimensions | 2.5 x 0.2 x 2.8 inches |
| Item Weight | 0.46 ounces |
| Manufacturer | Homelite Ryobi TTI |
| Date First Available | May 29, 2018 |
9. Warranty and Support
For specific warranty information regarding the RYOBI 526920001 Genuine Spacer, please refer to the documentation provided with your original power tool or contact RYOBI customer service directly. As a replacement part, its warranty may be subject to the terms and conditions of the original equipment manufacturer. For technical support or further assistance, please visit the official RYOBI website or contact their customer service department.







