Introduction
This manual provides detailed instructions for the installation, operation, maintenance, and troubleshooting of your VDO Viewline Oil Pressure Gauge. This precision instrument is designed for marine applications to accurately monitor engine oil pressure, ensuring optimal performance and preventing potential damage.
Product Overview
Image: Front view of the VDO Viewline Oil Pressure Gauge. The gauge features a black face with white numerical markings for pressure (20, 40, 60, 80) and smaller numbers (1, 2, 3, 4, 5) likely for bar readings. The needle is white, pointing towards a low reading. "psi bar" is printed on the lower left, and an oil can symbol is on the lower right. A warning triangle symbol is at the bottom center.
Setup and Installation
Proper installation is crucial for the accurate and safe operation of your oil pressure gauge. It is recommended that installation be performed by a qualified marine technician.
Tools and Materials Required:
- Appropriate hole saw for 52mm (2-1/16 inch) diameter
- Mounting bracket and nuts (typically included)
- Wiring for power, ground, and sender unit
- Oil pressure sender unit (compatible with VDO Viewline gauges)
- Crimping tool and electrical connectors
- Sealant (marine grade, if applicable)
Installation Steps:
- Panel Preparation: Select a suitable location on your dashboard or panel. Ensure sufficient clearance behind the panel for the gauge body and wiring. Drill a 52mm (2-1/16 inch) diameter hole.
- Mounting the Gauge: Insert the gauge into the drilled hole from the front. Secure it from the rear using the supplied mounting bracket and nuts. Tighten firmly but do not overtighten.
- Wiring Connections:
- Power (Ignition): Connect the gauge's positive terminal (usually marked "+12V" or "IGN") to a switched 12V DC power source that is active when the ignition is on. Use an inline fuse for protection.
- Ground: Connect the gauge's negative terminal (usually marked "GND" or "-") to a reliable common ground point on the vessel.
- Sender Unit: Connect the gauge's sender input terminal (usually marked "S" or "Sender") to the signal wire from the oil pressure sender unit. Ensure the sender unit is properly installed in the engine's oil pressure port.
- Illumination (Optional): If your gauge has illumination, connect the illumination terminal to a switched 12V DC power source, typically from your navigation light circuit, to illuminate the gauge when lights are on.
- Sender Unit Installation: Install the compatible oil pressure sender unit into the designated oil pressure port on your engine. Refer to your engine's service manual for the correct location and torque specifications. Ensure a proper seal to prevent oil leaks.
- Testing: Before fully securing the panel, turn on the vessel's ignition and check for proper gauge operation. The needle should move from zero. Start the engine and observe the oil pressure reading.
Operating Instructions
The VDO Viewline Oil Pressure Gauge provides a continuous display of your engine's oil pressure. Understanding the readings is essential for engine health.
Reading the Gauge:
- The gauge displays pressure in both PSI (pounds per square inch) and Bar. The larger numbers (20, 40, 60, 80) typically correspond to PSI, while smaller numbers (1, 2, 3, 4, 5) correspond to Bar.
- Normal operating oil pressure varies by engine type and manufacturer. Consult your engine's manual for the recommended oil pressure range at idle and at operating RPMs.
- A sudden drop in oil pressure, or a reading consistently below the manufacturer's specifications, indicates a potential problem and requires immediate attention.
- High oil pressure can also indicate an issue, such as a clogged oil filter or a faulty pressure relief valve.
Maintenance
The VDO Viewline Oil Pressure Gauge is designed for durability and requires minimal maintenance.
- Cleaning: Clean the gauge face and bezel with a soft, damp cloth. Avoid abrasive cleaners or solvents that could damage the plastic lens or finish.
- Connections: Periodically check all electrical connections for corrosion or looseness. Ensure connections are clean and secure to maintain accurate readings.
- Sender Unit: Inspect the oil pressure sender unit and its connection for leaks or damage during routine engine maintenance.
Troubleshooting
If your oil pressure gauge is not functioning correctly, consider the following common issues and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Gauge reads zero or no movement | No power to gauge; Poor ground connection; Faulty sender unit; Open circuit in sender wire. | Check power supply and fuse; Verify ground connection; Test sender unit (refer to sender manual); Inspect wiring for breaks. |
| Gauge reads maximum pressure constantly | Short circuit in sender wire; Faulty sender unit. | Inspect sender wire for shorts; Test or replace sender unit. |
| Inaccurate or fluctuating readings | Poor electrical connections; Incorrect sender unit; Air in oil system (less common for gauge itself). | Check and clean all connections; Ensure sender unit matches gauge specifications; Consult engine mechanic for oil system issues. |
| Gauge illumination not working | No power to illumination wire; Faulty bulb/LED (if replaceable). | Check illumination power source and fuse; Consult manufacturer for illumination repair. |
Specifications
| Feature | Detail |
|---|---|
| Model Name | VDO Computers Marine 2-1/16 Inch (52mm) Viewline Oil Pressure Gauge - A2C59514128 |
| Part Number | A2C59514128 |
| Brand | VDO |
| Manufacturer | Veratron |
| Gauge Diameter | 2-1/16 Inch (52mm) |
| Color | Black |
| Material | Plastic |
| Item Weight | 0.4 Pounds (approx. 181 Grams) |
| Item Dimensions (LxWxH) | 5 x 5 x 4 inches |
| Included Components | VDO Computers Marine 2-1/16 Inch (52mm) Viewline Oil Pressure Gauge - A2C59514128 (gauge unit only) |
Warranty Information
This VDO product is covered by a manufacturer's warranty. For specific details regarding the warranty period, coverage, and claims process, please refer to the warranty documentation included with your purchase or contact Veratron, the manufacturer.
Warranty Description: Warranty
Support and Contact
For technical assistance, replacement parts, or further inquiries regarding your VDO Viewline Oil Pressure Gauge, please contact the manufacturer:
Manufacturer: Veratron
Please visit the official Veratron website or refer to your product packaging for the most current contact information and support resources.
