1. Introduction
This manual provides essential information regarding the Hitachi 6696783 Brake Lever Spring. It covers product overview, safety guidelines, installation procedures, maintenance tips, and product specifications. Please read this manual thoroughly before attempting any installation or maintenance to ensure safe and correct usage of the part.
2. Product Overview
The Hitachi 6696783 Brake Lever Spring is a genuine replacement component designed for use in Hitachi and Tanaka branded outdoor power equipment. This spring plays a critical role in the proper function of the brake lever mechanism, ensuring reliable operation and safety of your equipment.

Figure 2.1: Hitachi 6696783 Brake Lever Spring. This image displays the compact design of the genuine Hitachi replacement spring, essential for the brake lever mechanism in outdoor power equipment.
3. Safety Information
Always observe the following safety precautions when handling or installing the brake lever spring:
- Read Equipment Manual: Refer to your specific outdoor power equipment's instruction manual for detailed safety warnings and procedures related to brake system components.
- Personal Protective Equipment (PPE): Wear appropriate safety glasses and gloves to protect against potential spring tension or sharp edges.
- Disconnect Power: Ensure the equipment is turned off, unplugged (if electric), and any spark plug wires are disconnected (if gasoline-powered) before beginning any work.
- Secure Equipment: Stabilize the equipment to prevent accidental movement during installation.
- Spring Tension: Springs can be under tension. Exercise caution during removal and installation to prevent injury.
- Genuine Parts: Use only genuine replacement parts to ensure compatibility and maintain equipment safety standards.
4. Installation
The following are general steps for replacing a brake lever spring. Specific procedures may vary depending on your equipment model. Always consult your equipment's service manual for precise instructions.
- Preparation: Ensure the equipment is safely powered off and secured. Gather necessary tools (e.g., pliers, screwdrivers).
- Access the Brake Lever: Locate the brake lever assembly on your outdoor power equipment. This may require removing covers or other components.
- Remove Old Spring: Carefully detach the old brake lever spring. Note its orientation and attachment points for correct reinstallation. Be aware of potential tension.
- Inspect Area: Clean the area and inspect other components for wear or damage. Replace any other worn parts as needed.
- Install New Spring: Position the new Hitachi 6696783 Brake Lever Spring in the same orientation as the old one. Securely attach it to its designated points. Ensure it is properly seated and provides the correct tension to the brake lever.
- Reassemble: Reattach any covers or components that were removed.
- Test Functionality: Before operating the equipment, thoroughly test the brake lever's functionality to ensure it engages and disengages correctly and smoothly.
If you are unsure about any step, it is recommended to seek assistance from a qualified service technician.
5. Maintenance
To ensure the longevity and proper function of your brake lever spring:
- Regular Inspection: Periodically inspect the spring for signs of wear, corrosion, stretching, or damage.
- Cleaning: Keep the area around the spring clean and free of debris, dirt, or rust that could impede its movement.
- Lubrication (if applicable): Some brake lever mechanisms may benefit from light lubrication on pivot points, but avoid lubricating the spring itself unless specified by the equipment manufacturer.
- Replacement: Replace the spring immediately if any signs of damage or reduced tension are observed. A faulty spring can compromise the safety and operation of your equipment.
6. Specifications
| Attribute | Value |
|---|---|
| Model Number | 6696783 |
| Brand | Hitachi |
| Product Dimensions | 1 x 1 x 1 inches |
| Item Weight | 0.353 ounces |
| Manufacturer | Hitachi - Outdoor Power |
| Part Type | Brake Lever Spring |
| Compatibility | Hitachi/Tanaka branded outdoor power equipment |
7. Warranty Information
This Hitachi 6696783 Brake Lever Spring is covered by a 90-day warranty. This warranty typically covers defects in materials and workmanship under normal use. For specific terms, conditions, and claim procedures, please refer to the official Hitachi warranty documentation provided with your original equipment or contact Hitachi customer support.
8. Customer Support
For technical assistance, troubleshooting, or warranty claims related to the Hitachi 6696783 Brake Lever Spring or your Hitachi/Tanaka outdoor power equipment, please contact Hitachi customer support. You can typically find contact information on the official Hitachi website or in your equipment's main instruction manual.
Official Hitachi Website: www.hitachipowertools.com (Note: This is a placeholder URL, please refer to the actual official website for current contact details.)