1. Introduction
This manual provides essential information for the safe and efficient installation, operation, and maintenance of the SUNTEC Burner Oil Pump Gear Pump, model AN67A-7345. Please read this manual thoroughly before attempting any installation or operation to ensure proper function and to prevent damage or injury.
The SUNTEC AN67A-7345 is a precision-engineered gear pump designed for reliable performance in burner oil systems. It is manufactured in France, known for its quality and durability.
2. Safety Information
- Always disconnect power to the burner system before performing any installation, maintenance, or troubleshooting.
- Wear appropriate personal protective equipment (PPE), including gloves and eye protection.
- Ensure all connections are secure and leak-free to prevent fire hazards.
- Installation and service should only be performed by qualified personnel in accordance with local codes and regulations.
- Do not operate the pump if it is damaged or leaking.
3. Product Overview
The SUNTEC AN67A-7345 is a compact and robust gear pump designed for precise oil delivery in burner applications. Key features include adjustable pressure settings and a bypass function.
Figure 1: Front view of the SUNTEC AN67A-7345 Burner Oil Pump. The pump features the SUNTEC logo, "Made in France - 21600 Longvic" text, and indicators for "2 bar max" pressure and a "BY-PASS 2 bar max" setting, along with directional arrows for adjustment.
3.1. Main Components
- Inlet Port: For oil supply.
- Outlet Port: For oil delivery to the burner.
- Pressure Adjustment Screw: To set the operating pressure.
- Bypass Port: For returning excess oil to the tank.
- Shaft: Connects to the motor for pump operation.
4. Setup and Installation
Proper installation is crucial for the pump's performance and longevity.
4.1. Mounting
- Mount the pump securely to a stable surface, ensuring it is level.
- Ensure adequate clearance for connections and future maintenance.
4.2. Plumbing Connections
- Connect the oil supply line to the inlet port. Ensure the line is clean and free of debris.
- Connect the oil delivery line to the outlet port, leading to the burner.
- Connect the bypass line (if applicable) to the bypass port, returning to the oil tank.
- Use appropriate thread sealant on all connections to prevent leaks.
4.3. Electrical Connections
Refer to the burner system's electrical diagram for proper wiring. Ensure the motor rotation matches the pump's directional arrow.
5. Operating Instructions
5.1. Priming the Pump
Before initial operation, the pump must be primed to ensure it is filled with oil and free of air. This typically involves running the pump briefly while ensuring oil is available at the inlet.
5.2. Pressure Adjustment
The operating pressure can be adjusted using the pressure adjustment screw. Turn clockwise to increase pressure and counter-clockwise to decrease pressure. Monitor the pressure gauge on the system during adjustment. The maximum bypass pressure is indicated as 2 bar (approximately 29 PSI) on the pump body.
5.3. Initial Start-up
- Verify all connections are secure and there are no leaks.
- Ensure the oil tank has sufficient fuel.
- Restore power to the burner system.
- Initiate the burner start-up sequence. Observe the pump for smooth operation and check for any unusual noises or vibrations.
6. Maintenance
Regular maintenance ensures optimal performance and extends the lifespan of your SUNTEC oil pump.
6.1. Routine Checks (Monthly)
- Inspect all oil lines for leaks or damage.
- Check electrical connections for tightness and signs of corrosion.
- Listen for unusual noises during operation.
6.2. Filter Replacement (Annually or as needed)
If your system includes an oil filter, replace it according to the manufacturer's recommendations or more frequently if the oil supply is known to be contaminated. A clogged filter can reduce pump efficiency and cause damage.
6.3. Cleaning
Keep the exterior of the pump clean and free of dust and oil residue. Do not use harsh chemicals that could damage the pump's housing.
7. Troubleshooting
This section provides solutions to common issues you might encounter.
| Problem | Possible Cause | Solution |
|---|---|---|
| Pump not delivering oil | No oil in tank, clogged filter, air in lines, incorrect motor rotation, faulty pump. | Check oil level, replace filter, prime pump, verify motor rotation, inspect pump for damage. |
| Low oil pressure | Air in lines, clogged filter, worn pump components, pressure adjustment too low. | Prime pump, replace filter, adjust pressure setting, consider professional service for worn components. |
| Oil leaks | Loose connections, damaged seals/gaskets, cracked housing. | Tighten connections, replace seals/gaskets, replace pump if housing is cracked. |
| Excessive noise/vibration | Air in lines, cavitation, misalignment, worn bearings. | Prime pump, check for restrictions in suction line, ensure proper alignment, professional service for worn bearings. |
If the problem persists after attempting these solutions, contact a qualified service technician.
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | AN67A-7345 |
| Manufacturer | Original factory (SUNTEC) |
| Item Weight | Approximately 20 pounds (9.07 kg) |
| Product Dimensions | Approximately 1 x 1 x 1 inches (2.54 x 2.54 x 2.54 cm) - Note: These dimensions appear to be placeholder values and may not reflect the actual size of the pump. |
| Max Bypass Pressure | 2 bar (approx. 29 PSI) |
| Origin | Made in France |
9. Warranty and Support
For specific warranty information, please refer to the documentation provided at the time of purchase or contact your supplier. Typically, products are covered against manufacturing defects for a limited period.
For technical support, spare parts, or service inquiries, please contact your authorized SUNTEC distributor or the point of purchase. When contacting support, please have your pump's model number (AN67A-7345) and any relevant purchase details available.
