1. Introduction
This manual provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your TUXING TXES021 High Pressure PCP Air Compressor. Please read this manual thoroughly before using the compressor to ensure proper handling and to prevent damage or injury.


2. Package Contents
Upon unpacking, please verify that all the following items are included in your package:
- 1 x PCP Air Compressor
- 1 x Water Pump
- 1 x Water Pipe
- 1 x Home Power Line
- 1 x Oil Plug
- 1 x Oil/Water Separator
- 1 x Filter Cotton
- 1 x Air Outlet Hose
- 1 x Repair Kit (vulnerable parts)

3. Specifications
The TUXING TXES021 High Pressure PCP Air Compressor features the following technical specifications:
| Feature | Specification |
|---|---|
| Brand | TUXING |
| Model Number | TXES021 |
| Voltage | 110V/220V (Please note: The listed price is for 220V. Contact seller for 110V options.) |
| Dimension (L*W*H) | 41cm * 24cm * 45cm (16.14 * 9.45 * 17.72 inches) |
| Weight | 17kg |
| Working Pressure | 30MPa / 300bar / 4500psi |
| Air Capacity | Approx. 5 minutes to inflate a 0.5L tank from 0-300bar |
| Inflation Rate | 2800 R/MIN |
| Motor Power | 1.8kW |
| Shut Down | Manual Stop |
| Cooling System | Water and Fan Cooling |
| Working Temperature Range | 50-85°C |
| Lubrication Style | Lubricated |
| Gas Type | Air |
| Applicable Industries | Home Use, Retail, Diving, PCP Air Rifle, Paintball |
| Certification | CE |

4. Setup Instructions
Follow these steps to set up your compressor before initial use:
- Unpacking and Inspection: Carefully remove all components from the packaging. Inspect for any visible damage.
- Familiarize with Components: Refer to the structure diagram to identify key parts.
- Add Compressor Oil:
- Use ISO 100 high-pressure air compressor oil (e.g., Royal Purple Synfilm / Mobil brand).
- Fill the oil reservoir until the level is in the middle of the red dot on the oil sight glass.
- Connect Water Cooling System:
- Connect the provided water pump and water pipes to the compressor's cooling inlets/outlets.
- Place the water pump into a container with at least 18 liters of water. This water will circulate to cool the compressor.
- Connect Air Outlet Hose: Attach the air outlet hose to the compressor using the 8mm quick connector. Ensure a secure connection.
- Power Connection: Connect the home power line to the compressor and a suitable power outlet (ensure voltage matches your unit, 110V or 220V).


5. Operating Instructions
Once the compressor is set up, follow these steps for operation:
- Prepare the Item to be Inflated: Connect your PCP device, diving tank, or paintball tank to the air outlet hose.
- Start Cooling: Turn on the water pump to begin circulating cooling water.
- Start Compressor: Flip the power switch to the 'ON' position. The compressor will begin to operate.
- Monitor Pressure and Temperature:
- Continuously monitor the pressure gauge. The compressor features a manual stop, so you must turn off the machine once the desired pressure is reached.
- Keep an eye on the temperature gauge. If the temperature exceeds 85°C, immediately turn off the compressor and allow it to cool down before resuming operation.
- Stop Compressor: Once the target pressure is achieved, turn off the power switch.
- Bleed Air: Slowly open the manual bleed knob to release residual pressure from the system before disconnecting the air hose.
- Disconnect: Disconnect the air hose from your device and then from the compressor.


Applications
The TUXING TXES021 compressor is suitable for a wide range of high-pressure air applications, including:
- Filling PCP (Pre-Charged Pneumatic) air rifles
- Inflating paintball tanks
- Filling mini diving bottles for recreational diving
- Fire fighting applications
- Leakage detection and pressure-tight testing
- Air impermeability testing

6. Maintenance
Regular maintenance is crucial for the longevity and optimal performance of your compressor.
Oil Change Schedule
Use ISO 100 high-pressure air compressor oil.
- First Oil Change: After one month or 25 hours of use, whichever comes first.
- Subsequent Oil Changes: Every three months or 50 hours of use, whichever comes first.
- Annual Check: Change the oil every 100 hours of runtime or every year, whichever occurs first.
- Condition-Based Change: Change the oil if it is visibly dark, dirty, or if it foams during use. Operation in certain environments may require more frequent oil changes.
Filter Cotton Replacement
The oil/water separator includes filter cotton to ensure clean air. Regularly inspect and replace the filter cotton as needed to maintain air purity and compressor efficiency.

General Cleaning
Keep the exterior of the compressor clean and free from dust and debris to ensure proper airflow for cooling.
7. Troubleshooting
This section provides solutions to common issues you might encounter:
| Problem | Possible Cause | Solution |
|---|---|---|
| Compressor does not start | No power, loose connection, faulty switch | Check power cord, ensure secure connections, test power outlet. |
| Overheating (temperature > 85°C) | Insufficient cooling water, clogged cooling system, prolonged operation | Stop compressor immediately. Ensure water container has >18L water. Check water pump for proper function. Allow unit to cool before restarting. |
| Slow inflation or low pressure output | Air leaks, clogged filter, low oil level, worn components | Check all connections for leaks. Replace filter cotton. Verify oil level and add if necessary. Contact support if issue persists. |
| Water or oil in output air | Oil/water separator not functioning, saturated filter cotton | Inspect and clean/replace the oil/water separator and filter cotton. Ensure proper cooling. |
| Unusual noise during operation | Loose parts, internal component issue, low oil | Turn off immediately. Check for loose screws or components. Verify oil level. Contact support if noise is severe or persistent. |
8. User Tips
Here are some helpful tips from other users and common recommendations:
- Always ensure the oil level is at the middle of the red dot before starting the compressor.
- Use a large enough water container (more than 18L is recommended) for the cooling system to prevent overheating during longer inflation tasks.
- Adhere strictly to the oil change schedule. Fresh oil is vital for compressor health.
- Never leave the compressor unattended during operation, especially when monitoring pressure and temperature.
- After reaching the desired pressure, always bleed the air slowly before disconnecting to prevent sudden pressure release.
9. Warranty and Support
The TUXING TXES021 High Pressure PCP Air Compressor comes with a 1-year warranty on its main components.
For warranty claims, technical support, or any questions regarding your compressor, please contact the seller or manufacturer directly. Ensure you have your purchase details and model number (TXES021) ready when contacting support.
10. Certifications
This product is certified to meet relevant safety and quality standards, including CE certification.

