1. Introduction
This manual provides essential instructions for the safe and efficient installation, operation, and maintenance of your SUNTEC Burner Oil Pump Gear Pump, Model AN67C-7233. This component is designed for use in burner systems to ensure reliable oil supply and pressure regulation. Please read this manual thoroughly before attempting any installation or operation.
2. Safety Information
- Professional Installation Recommended: Installation and servicing of this oil pump should only be performed by qualified and authorized personnel familiar with burner systems and oil handling procedures.
- Electrical Safety: Ensure all electrical connections are made according to local codes and manufacturer specifications. Disconnect power before servicing.
- Oil Handling: Exercise caution when handling fuel oil. Wear appropriate personal protective equipment (PPE) to prevent skin contact and inhalation of fumes.
- Pressure Hazard: The pump operates under pressure. Ensure all connections are secure and leak-free before operation. Do not exceed the maximum operating pressure.
- Hot Surfaces: The pump and surrounding components may become hot during operation. Allow to cool before handling.
3. Package Contents
- 1 x SUNTEC Burner Oil Pump Gear Pump (Model AN67C-7233)
- Note: Additional mounting hardware or accessories may be sold separately.
4. Setup and Installation
Proper installation is critical for the safe and efficient operation of the oil pump. Refer to your burner system's specific installation diagrams and guidelines in conjunction with these general instructions.
- Mounting: Securely mount the pump to the designated location on the burner assembly using appropriate fasteners. Ensure the pump is stable and free from vibration.
- Oil Line Connections: Connect the suction and return oil lines to the pump's inlet and outlet ports. Ensure all connections are tight and sealed to prevent leaks.
- Pressure Regulation: The pump features pressure adjustment capabilities. The maximum operating pressure for the main line and bypass is 2 bar max. Adjust according to your burner system's requirements.
- Electrical Connections: Connect the pump's electrical wiring to the burner control system as per the system's wiring diagram. Verify correct voltage and polarity.
- Priming: After installation, the pump may need to be primed to remove air from the oil lines. Follow your burner system's priming procedure.

Figure 1: Front view of the SUNTEC Burner Oil Pump, Model AN67C-7233. The image displays the SUNTEC brand logo, the text "Made in France - 21600 Longvic", and indicators for pressure settings: "2 bar max" for the main line and "BY-PASS 2 bar max" for the bypass line, along with directional arrows.
5. Operating Instructions
Once properly installed and primed, the SUNTEC oil pump will operate in conjunction with your burner control system to deliver fuel oil at the required pressure. Monitor system pressure gauges to ensure operation within specified limits.
- Initial Startup: After installation, carefully follow the burner manufacturer's startup procedure.
- Pressure Monitoring: Regularly check the oil pressure to ensure it remains within the recommended range for your burner system. The pump is designed for a maximum pressure of 2 bar.
- Bypass Function: The bypass mechanism, also rated at 2 bar max, helps regulate excess oil flow back to the tank, maintaining stable system pressure.
6. Maintenance
Regular maintenance ensures the longevity and reliable performance of your oil pump. Always disconnect power to the burner system before performing any maintenance.
- Visual Inspection: Periodically inspect the pump and connections for any signs of leaks, corrosion, or damage.
- Filter Checks: If your system includes an oil filter, check and clean or replace it as recommended by the burner manufacturer. A clogged filter can affect pump performance.
- Cleaning: Keep the exterior of the pump clean and free from dust and oil buildup.
7. Troubleshooting
If you encounter issues with your oil pump, consider the following common problems and solutions. For complex issues, consult a qualified technician.
- No Oil Flow: Check for clogged filters, air in the lines (requires priming), or a faulty motor/pump.
- Low Oil Pressure: Verify pressure settings, check for air leaks in the suction line, or inspect for wear in the pump components.
- Oil Leaks: Inspect all connections and seals. Tighten loose fittings or replace damaged gaskets/seals.
- Unusual Noise: May indicate air in the system, cavitation, or internal pump wear.
8. Specifications
| Feature | Detail |
|---|---|
| Brand | SUNTEC (Manufacturer) |
| Model Number | AN67C-7233 |
| Manufacturer | Original factory |
| Origin | Made in France (Longvic) |
| Item Weight | 20 pounds |
| Product Dimensions | 1 x 1 x 1 inches |
| Maximum Pressure | 2 bar (main and bypass) |
| Included Components | NEW (Pump unit) |
| ASIN | B0DF78XZN2 |
| Date First Available | August 26, 2024 |
9. Warranty and Support
Specific warranty information for the SUNTEC Burner Oil Pump Gear Pump Model AN67C-7233 is not provided in this manual. For warranty details, technical support, or replacement parts, please contact the original seller or the manufacturer directly. Keep your purchase receipt as proof of purchase.





