Instruction Manual: Replacement Air Filter

Introduction

This manual provides essential information for the installation, operation, and maintenance of the UGP Replacement Air Filter, model UNV140-3116. This air filter is designed as a direct replacement for Onan 0140-3116 air filters, compatible with Onan RV Generators 5500 and 7000 series, including models HGJAA, HGJAB, and HGJAC. Proper maintenance of your generator's air filter is crucial for optimal performance and longevity of the engine.

Safety Information

Always prioritize safety when working with generator components. Failure to follow these safety guidelines may result in injury or damage to equipment.

• Turn Off Generator: Ensure the generator is completely shut down and cooled before attempting any maintenance or installation. Disconnect the spark plug wire to prevent accidental starting.
• Consult Generator Manual: Refer to your specific Onan generator's owner's manual for detailed safety procedures and air filter replacement instructions.
• Wear Protective Gear: Use appropriate personal protective equipment, such as gloves and eye protection, to prevent injury.
• Proper Disposal: Dispose of old filters and any waste materials according to local regulations.

Product Overview

The UGP Replacement Air Filter (UNV140-3116) is a high-quality component designed to filter incoming air for your Onan RV generator. A clean air filter is essential for preventing dust, dirt, and debris from entering the engine, which can cause premature wear and reduced efficiency. This filter ensures your generator receives clean air for optimal combustion and performance.

Figure 1: Top view of the UGP Replacement Air Filter, highlighting the pleated filtration media and durable blue frame.

Figure 2: Side view of the air filter, showing "Universal Generator Parts Performance Air Filter Part#UNV140-3116" printed on the filter material.

Compatibility:

• Onan RV Generators 5500 series
• Onan RV Generators 7000 series
• Onan Marquis Gold/RV QG models: HGJAA, HGJAB, HGJAC
• Replaces Onan Part Number: 0140-3116

Installation

Follow these steps to replace the air filter in your Onan RV generator:

1. Prepare the Generator: Ensure the generator is turned off, cool to the touch, and the spark plug wire is disconnected to prevent accidental starting.
2. Locate Air Filter Housing: Identify the air filter housing on your Onan generator. This is typically a plastic or metal box secured with clips or screws.
3. Open Housing: Unlatch the clips or unscrew the fasteners to open the air filter housing cover.
4. Remove Old Filter: Carefully remove the old, dirty air filter. Note its orientation for correct installation of the new filter.
5. Clean Housing: Wipe away any dust or debris from inside the air filter housing with a clean cloth. Do not use compressed air, as this can push debris further into the engine.
6. Install New Filter: Insert the new UGP Replacement Air Filter (UNV140-3116) into the housing, ensuring it fits snugly and is oriented correctly.
7. Secure Housing: Close the air filter housing cover and secure it with the clips or screws.
8. Reconnect Spark Plug: Reconnect the spark plug wire.
9. Test Generator: Start the generator to ensure it operates normally.

Figure 3: Top view with key dimensions for proper fitment.

Figure 4: Side view with height and width dimensions.

Operation

Once installed, the air filter operates passively as an integral part of your generator's air intake system. Its primary function is to prevent airborne contaminants such as dust, dirt, and debris from entering the carburetor and engine cylinders. By ensuring a clean air supply, the filter helps maintain proper air-fuel mixture, optimize combustion, and protect internal engine components from abrasive wear. There are no user-adjustable settings or operational controls for the air filter itself.

Maintenance

Regular inspection and replacement of the air filter are critical for the health and efficiency of your generator. A clogged or dirty air filter can significantly reduce engine performance, increase fuel consumption, and lead to premature engine wear.

• Inspection Frequency: Inspect the air filter regularly, especially if operating the generator in dusty or dirty environments. A general guideline is to check it every 50-100 hours of operation or at least once a year.
• Signs of a Dirty Filter:
  • Reduced engine power or sluggish performance.
  • Increased fuel consumption.
  • Engine running rough or misfiring.
  • Visible dirt, dust, or debris on the filter media.
  • Dark or discolored filter material.
• Replacement: Replace the air filter when it appears dirty, clogged, or shows signs of damage. Do not attempt to clean paper-type air filters by washing or using compressed air, as this can damage the filter media and reduce its effectiveness. Always replace with a new, compatible filter like the UGP UNV140-3116.

Troubleshooting

Most issues related to the air filter can be resolved by proper inspection and replacement.

Specifications

Key specifications for the UGP Replacement Air Filter (UNV140-3116):

Warranty and Support

For any questions regarding the UGP Replacement Air Filter or for technical assistance, please contact Universal Generator Parts customer support. While specific warranty details are not provided in this manual, standard manufacturer warranties typically cover defects in materials and workmanship. Please retain your proof of purchase for any warranty claims.

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