Air Pneumatic Brake Caliper Windback Rewind Tool Kit - Laser - 3991
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Product Information
Full details
This pneumatic rewind tool kit is designed for mechanics and DIY enthusiasts who need to service brake calipers. Its key benefit is the efficient and safe retraction of brake pistons, compatible with both left and right-hand threads, making brake pad replacement easier. A potential caveat is the need for an air gun to operate the tool.
All features
| Model Part Number | 3991 |
|---|---|
| Brand | Laser |
Extended Product Information
FAQs
Do I need an air compressor to use this tool?
Yes, this is a pneumatic tool and requires an air gun connected to an air compressor to operate. The air compressor must be able to supply sufficient air pressure for the tool's function.
How do I know which adaptor to use?
The kit includes 15 adaptors, each designed for specific caliper piston types. Refer to the vehicle's service manual or visually inspect the caliper piston to determine the thread type (left or right-hand) and size, then select the corresponding adaptor from the kit.
Can this tool be used for pistons that screw in and out?
Yes, this tool is specifically designed for brake caliper pistons that require a winding or screwing motion to retract, which is common on many disc brake systems.
Is the tool reversible for both left and right-hand threads?
Yes, the tool is designed to work with both left and right-hand threaded pistons, offering versatility for different vehicle applications.
What is the part number for this specific tool?
The part number for this specific tool kit is 3991, with the internal part number often referred to as 2280 for the kit.
Does the kit include the air gun?
No, the kit includes the pneumatic rewind tool and adaptors. An air gun and air compressor are required separately for operation.
Troubleshooting
Tool not retracting piston
Ensure the correct adaptor is firmly seated on the piston. Verify the air gun is connected properly and providing adequate air pressure. Check if the piston threads are clean and free from debris. Confirm the tool is set to the correct rotation direction for the caliper's threading.
Air leaking from the tool
Check the connection between the air gun and the tool. Inspect the tool's air inlet for damage or debris. Ensure all seals are intact. If the leak persists, the tool may require professional servicing.
Adaptor does not fit piston
Review the vehicle's brake caliper specifications to identify the correct thread type and piston size. Consult the adaptor guide provided with the kit to select the most appropriate adaptor. Some pistons may have unique configurations requiring specific adaptors not included in every kit.
Pros and Cons
Pros
- Saves time and effort during brake pad replacement.
- Versatile with compatibility for both left and right-hand threads.
- Wide range of adaptors included for broad vehicle application.
- Durable construction for professional use.
- Reduces the risk of damaging caliper pistons.
Cons
- Requires an air gun (not included) to operate.
- May require some familiarity with pneumatic tools.
- Adaptors may need careful selection for optimal fit.
Setup, Compatibility & Care
Setup: To set up the tool, select the appropriate adaptor from the kit that securely fits the brake caliper piston. Attach the selected adaptor to the tool's drive mechanism. Connect your air gun to the tool's air inlet. Ensure the air gun is set to the correct pressure for pneumatic tools and that the caliper piston threads are clean before operation.
Compatibility: This tool is compatible with most standard pneumatic air guns. It is designed to work with brake caliper pistons featuring either left-hand or right-hand threads. The kit includes 15 adaptors to cover a wide array of vehicle applications.
Care: After each use, clean the tool and adaptors with a dry cloth to remove any brake dust or debris. Store the tool and all adaptors in the provided case to prevent loss and damage. Periodically check the air inlet for blockages and ensure the drive mechanism moves freely. Lubrication of the drive mechanism is generally not required for pneumatic tools of this type, but consult your air gun's manual for specific maintenance advice.