Description
The Central Tools Long Range Indicator Set (3D103) is an essential tool for automotive professionals and DIY mechanics. It allows for precise measurement of brake rotor run-out, a critical factor in diagnosing and resolving brake vibrations and pulsations. This set includes a dial indicator, locking pliers, and a flexible arm, providing versatility and ease of use in various applications. It can also be used to check ball joint wear.
KEY FEATURES AND BENEFITS:
- Precise Measurement: The dial indicator measures run-out with 0.001-inch graduations, ensuring accurate readings for effective diagnostics.
- Versatile Mounting: The locking pliers securely clamp to various vehicle components, allowing for flexible positioning of the indicator.
- Extended Reach: The included flex arm provides added reach and maneuverability, simplifying access to hard-to-reach brake rotors.
- Easy to Use: The simple design and straightforward operation make this tool accessible to both professionals and DIY enthusiasts.
- Durable Construction: Built with quality materials to withstand regular use in demanding automotive environments.
SPECIFICATIONS:
- Range: 0-1 inch
- Graduations: 0.001 inch
- Includes: Dial indicator, locking pliers, flexible arm
- Replacement Dial Indicator: 3D101-01
- Replacement Locking Pliers with Mounting Block: 3D103-01
- Replacement Flex Arm: 3D102-02
HOW TO USE:
- Secure the Rotor: Ensure the vehicle is safely lifted and the wheel removed to access the brake rotor.
- Attach the Locking Pliers: Clamp the locking pliers to a stable part of the vehicle’s suspension or brake assembly, positioning the mounting block for the dial indicator.
- Mount the Dial Indicator: Attach the dial indicator to the mounting block on the locking pliers.
- Position the Flex Arm: If needed, attach the flex arm to the dial indicator to achieve the desired position for measurement.
- Contact the Rotor: Carefully position the dial indicator’s tip against the brake rotor’s surface.
- Zero the Indicator: Rotate the rotor slightly and adjust the dial indicator to zero.
- Measure Run-Out: Slowly rotate the rotor a full revolution, observing the dial indicator’s readings. The total indicator movement represents the rotor run-out.
- Compare to Specifications: Consult the vehicle’s service manual for the acceptable run-out limits.
BENEFITS OF USING THE CENTRAL TOOLS LONG RANGE INDICATOR SET (3D103):
- Accurate Diagnostics: Precisely identify excessive rotor run-out, leading to effective brake system repairs.
- Improved Brake Performance: Correcting run-out issues restores smooth, vibration-free braking.
- Increased Safety: Ensuring proper brake function contributes to overall vehicle safety.
- Cost Savings: Diagnose and address brake problems early, preventing more extensive and costly repairs.
- Professional Results: Achieve accurate measurements and professional-quality brake service.
FEATURES:
- Precision Dial Indicator: For accurate readings.
- Locking Pliers: For secure and versatile mounting.
- Flexible Arm: For extended reach and easy positioning.
- Replacement Parts Available: For extended tool life.
- 0-1 Inch Measurement Range
- 0.001 Inch Graduations: For fine measurement.
- Simple and Easy to Use Design:
- Ideal for Both Professional Mechanics and DIYers:
- Compact and Portable: For easy storage.






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