US PRO Tools Pneumatic Brake Fluid Bleeding and Refill System 1L - 6247
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Full details
This US PRO Tools Pneumatic Brake Fluid Bleeding and Refill System is ideal for mechanics and DIY enthusiasts seeking a fast and efficient way to bleed, flush, and replace brake fluid. Its key benefit is enabling one-person operation with a standard workshop air supply, controlled via a trigger for fluid flow. A potential caveat is the need for a compatible air compressor and understanding pneumatic system operation.
All features
| Model Part Number | 6247 |
|---|---|
| Brand | us pro |
Extended Product Information
FAQs
Can this system be used with all types of brake fluid?
Yes, the system is designed to be compatible with all standard DOT 3, DOT 4, and DOT 5.1 brake fluids. Always refer to your vehicle manufacturer's recommendations.
How long is the hose?
The hose length is 1.8 metres, providing ample reach for most service tasks.
What is the capacity of the main reservoir?
The main reservoir has a capacity of 1 litre.
Do I need a special air compressor?
No, a standard workshop air supply is sufficient, provided it can deliver the required working pressure (6-12 bar) and air consumption (180 L/min or 6.4 CFM).
What is the negative pressure rating?
The system achieves a negative pressure of 60%.
How do I prevent air from entering the system?
The included refill bottle is designed to maintain fluid levels in the master cylinder during operation, which helps reduce the risk of air entering the brake system.
What is the air inlet size?
The air inlet size is 1/4", and a fitting is included with the system.
Troubleshooting
System not drawing fluid
Check air supply pressure (6-12 bar). Ensure the air inlet is properly connected. Verify the hose is securely attached to the bleed nipple and there are no leaks. Ensure the bleed nipple is open.
Air in the brake lines
Ensure the refill bottle is consistently topped up and the main reservoir also has sufficient fluid. Check all connections for leaks, especially around the bleed nipple and hose.
Low suction power
Confirm air supply is adequate (6-12 bar and 180 L/min). Clean any potential blockages in the air inlet or fluid lines. Ensure the negative pressure setting (60%) is being achieved by the system.
Trigger not controlling fluid flow
Inspect the trigger mechanism for obstructions or damage. Check internal seals within the trigger assembly for wear or leaks.
Pros and Cons
Pros
- Enables efficient one-person brake fluid service.
- Trigger control offers precise fluid management.
- Eliminates the need for specialized brake reservoir caps.
- Integrated refill bottle minimizes air introduction into the system.
- Suitable for bleeding, flushing, and complete fluid replacement.
Cons
- Requires a workshop air supply and compressor.
- Learning curve for optimal pneumatic control.
- Hose length may be restrictive for some larger vehicles or complex setups.
- Fluid capacity might be insufficient for very large systems without refilling the refill bottle multiple times.
Setup, Compatibility & Care
Setup:
- Ensure you have a workshop air supply with a regulator capable of maintaining between 6-12 bar (87-174 psi).
- Connect the 1/4" air inlet fitting (included) to your air hose.
- Fill the main reservoir with fresh brake fluid.
- Fill the refill bottle with fresh brake fluid.
- Attach the collection hose to the brake caliper's bleed nipple.
Compatibility:
- Compatible with most vehicles requiring pneumatic brake fluid service.
- Requires a standard 1/4" air inlet connection.
- Ensure your air compressor can provide approximately 180 litres per minute (6.4 CFM) of air.
Care:
- After each use, thoroughly clean the main reservoir and refill bottle.
- Flush the system with clean brake fluid to remove any residual old fluid.
- Store in a clean, dry place.
- Regularly inspect the hose and connections for wear or damage.