Draper Expert Model 35574 Ratchet Action Terminal Crimping Tool User Manual

1. Introduction

This manual provides essential instructions for the safe and effective use, maintenance, and troubleshooting of the Draper Expert Model 35574 Ratchet Action Terminal Crimping Tool. Please read this manual thoroughly before operating the tool and retain it for future reference.

The Draper Expert Model 35574 is a 220mm ratchet action crimping tool designed for creating secure electrical connections with insulated terminals. Its robust construction and ergonomic design ensure reliable performance for various electrical applications.

2. Safety Instructions

Always adhere to the following safety guidelines to prevent injury and ensure proper tool function:

• Eye Protection: Always wear approved safety glasses or goggles when using this tool to protect against flying debris.
• Insulated Handles: While the tool is designed for electrical work, the handles are not insulated against live electrical current. Always ensure power is disconnected before working on electrical circuits.
• Proper Use: Use the tool only for its intended purpose of crimping insulated electrical terminals. Do not use it for cutting, prying, or other unintended applications.
• Inspect Tool: Before each use, inspect the tool for any signs of damage, wear, or misalignment. Do not use a damaged tool.
• Keep Clear: Keep fingers and other body parts clear of the crimping jaws during operation to prevent pinching.
• Storage: Store the tool in a dry, secure place, out of reach of children and unauthorized users.

3. Product Overview

The Draper Expert Model 35574 crimping tool features a robust carbon steel construction with ergonomic soft-grip handles for comfortable and efficient operation. The integrated ratchet mechanism ensures consistent and accurate crimps.

Figure 1: The Draper Expert Model 35574 Ratchet Action Terminal Crimping Tool in its closed position, showcasing its blue ergonomic handles and crimping jaws.

Key components include:

• Crimping Jaws: Designed with color-coded cavities for different terminal sizes (Red, Blue, Yellow).
• Ratchet Mechanism: Ensures a complete crimp cycle before releasing, providing consistent pressure.
• Release Lever: Allows for manual release of the ratchet mechanism if needed.
• Ergonomic Soft Grips: Provides comfort and reduces hand fatigue during prolonged use.

4. Setup

Before first use, ensure the tool is clean and free from any packaging materials. No assembly is required for this tool.

4.1 Understanding Terminal Compatibility

The crimping jaws are color-coded to match standard insulated terminal sizes:

• RED: For wire sizes 22 - 18 AWG (0.5 - 1.0mm²)
• BLUE: For wire sizes 16 - 14 AWG (1.5 - 2.5mm²)
• YELLOW: For wire sizes 12 - 10 AWG (4.0 - 6.0mm²)

Always select the correct crimping cavity that corresponds to the color and size of the terminal you are using.

5. Operating Instructions

Follow these steps for proper crimping:

1. Prepare the Wire: Strip approximately 6-8mm of insulation from the end of the wire, ensuring the copper strands are clean and untwisted.
2. Open the Tool: Squeeze the handles together until the ratchet mechanism releases and the jaws open fully. If the jaws are already open, proceed to the next step.
3. Position the Terminal: Insert the appropriate insulated terminal into the corresponding color-coded crimping cavity. Ensure the terminal is seated correctly and held firmly by the jaws.
4. Insert the Wire: Insert the stripped wire into the terminal, ensuring all wire strands enter the terminal barrel. The wire insulation should butt up against the terminal's insulation support.
5. Crimp: Squeeze the handles firmly and steadily until the ratchet mechanism completes its cycle and automatically releases. This ensures a full and secure crimp.
6. Inspect the Crimp: After crimping, gently pull on the wire to ensure the connection is secure. The terminal should be firmly attached to the wire, and the insulation should be properly supported.

Figure 2: The crimping tool in action, demonstrating how a wire is inserted into a terminal within the tool's jaws for a secure connection.

5.1 Ratchet Release

If you need to open the jaws before a full crimp cycle is completed, locate the small release lever (often near the pivot point) and depress it while opening the handles. This will disengage the ratchet mechanism.

6. Maintenance

Regular maintenance ensures the longevity and optimal performance of your crimping tool:

• Cleaning: After each use, wipe the tool clean with a dry cloth to remove any dirt, dust, or debris. For stubborn grime, a slightly damp cloth can be used, followed by thorough drying.
• Lubrication: Periodically apply a light machine oil to the pivot points and moving parts of the ratchet mechanism to ensure smooth operation. Avoid over-lubricating.
• Storage: Store the tool in a clean, dry environment to prevent rust and corrosion. Keep the jaws closed when not in use to protect the crimping surfaces.
• Inspection: Regularly check the crimping jaws for wear or damage. Worn jaws can lead to poor crimps.

7. Troubleshooting

If you encounter issues with your crimping tool, consider the following:

• Poor Crimp Quality:
  • Ensure you are using the correct size and color-coded cavity for the terminal.
  • Verify the wire is stripped to the correct length and fully inserted into the terminal.
  • Confirm the ratchet mechanism completes its full cycle.
  • Inspect jaws for wear or damage.
• Tool Jams/Sticks:
  • Apply a small amount of lubricant to the pivot points and ratchet mechanism.
  • Check for any foreign objects obstructing the mechanism.
  • Ensure the release lever is not partially engaged.
• Handles are Stiff:
  • Clean and lubricate the pivot points.
  • Ensure no rust or corrosion is present.

8. Specifications

9. Warranty and Support

Draper tools are manufactured to high quality standards. For information regarding warranty coverage, terms, and conditions, please refer to the warranty documentation provided with your purchase or visit the official Draper Tools website. For technical support or service inquiries, please contact Draper Tools customer service through their official channels.