User manual for CLAS HU 0185BL 25L Waste Oil Drainer
Quick guide for the CLAS HU 0185BL 25L Waste Oil Drainer. Learn how to safely operate, perform pneumatic oil extraction, drain the tank, and maintain your equipment.
Table of contents
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Click an image to enlargeQuick guide from the manual
This manual provides instructions for the CLAS HU 0185BL 25L Waste Oil Drainer. It is designed for the disposal of used oil from motor vehicles using gravity or pneumatic suction. Always read the full manual before operation to ensure safety and proper handling.

Product Description
The unit features a 25L tank with a height of 470mm. It includes a venturi system for pneumatic suction, requiring an air supply of 6 to 8 bar. The kit comes with various flexible and rigid probes for different vehicle types. The device is equipped with a level indicator and sturdy castors for mobility.

Safety Information
Always wear appropriate personal protective equipment (PPE) such as gloves and eye protection. Do not extract caustic or flammable liquids. Ensure the work area is clean, well-lit, and free of unauthorized persons. Do not exceed 70°C operating temperature. If the unit overheats, stop operation immediately.
Operation

Pneumatic Suction
- Connect compressed air (8 bar) to the vacuum pump connector.
- Wait for the gauge to point to the red zone (approx. 2.5-3 minutes).
- Disconnect the air supply.
- While the engine is warm, remove the dipstick and insert the appropriate oil probe as far as possible into the engine.
- Connect the suction hose to the probe and open the valve to extract oil.
- Close the valve once extraction is complete.
Draining the Tank
- Ensure the ball in the oil sump is securely locked.
- Connect a 0.5 bar air supply to the air inlet.
- Open the drain hose valve to transfer oil to a waste container.
- Clean up any oil leaks immediately and wash your hands.
Maintenance
Inspect the unit for leaks before every use. If leaks are found, do not use the device and contact a qualified service agent. Keep the unit clean and store it in a cool, dry place, out of direct sunlight. Do not store used oil in the tank for long periods to prevent corrosion.
Disposal
At the end of the machine's service life, dispose of it in accordance with national regulations. Do not dispose of used oil in the environment or drainage systems. Use secure containers and local recycling facilities.
Manufacturer information
CLAS EQUIPEMENTS
Practical help
Common problems
Check that air pressure is set to 6-8 bar, ensure the hose is correctly connected, and verify the engine is warm.
Stop operation immediately if the temperature exceeds 70°C and check for faults.
Do not use the drainer if leaks are identified; contact a qualified Clas service agent.
Before use
- Check the air hose for wear and tear.
- Ensure all connections are securely fastened.
- Verify no leaks are present.
- Wear appropriate PPE (gloves, eye protection).
- Ensure the work area is clean and well-lit.
Specs in practice
- Air supply (suction)
- 6 to 8 bar required for the venturi system.
- Air supply (emptying)
- 0.5 bar required for tank emptying.
- Operating temperature
- Must not exceed 70°C.
- Tank capacity
- 25 Liters.
Images and diagrams
- The parts diagram identifies the reservoir, vacuum generator, air inlet, and various suction probes.
- The usage diagram illustrates the connection points for the air supply and the suction hose.
Model compatibility
- Do not extract caustic or flammable liquids.
- Use only genuine Clas replacement parts.
Manual page author
Emily Carter
User documentation editor
Prepares concise manual descriptions and highlights the most useful setup, operation, and maintenance information for readers.