GENMAX GM15000ET Tri-Fuel Portable Generator Instruction Manual

Introduction

This manual provides essential information for the safe and efficient operation, assembly, and maintenance of your GENMAX GM15000ET Tri-Fuel Portable Generator. Please read all instructions carefully before operating the generator to ensure personal safety and optimal performance.

Safety First: Always operate the generator in a well-ventilated area, away from windows, doors, and vents, to prevent carbon monoxide poisoning. Never operate indoors or in a garage.

What's in the Box

The GENMAX GM15000ET Tri-Fuel Portable Generator comes with the following components:

• Open Frame Generator GM15000ET (Tri-Fuel)
• Spark Plug Socket Wrench
• Dual-Purpose Screwdriver
• Funnel
• Wrench (2)
• NG Hose
• LPG Hose
• Adapter
• NG Quick Connector
• NEMA L14-30P Bonding Plug
• Automatic Start/Stop Cable
• Remote Control Key
• Rain Cover
• 10W30 Motor Oil

Image: All included accessories and components for the GENMAX GM15000ET generator.

Assembly

Follow these steps to assemble your generator:

Installing Wheels

The axle is installed on the frame through the center of the wheel and the washer. Secure the wheel assembly by reinserting a hitch pin through the hole at the end of the wheel axle and pressing until it locks into place. Repeat this process on the other side of the generator to install the second wheel.

Installing Support Leg

Line up the holes on the support leg bracket to the holes on the front of the generator frame. Attach the support leg using screws and nuts. Tighten the bolts with a wrench. Repeat the process on the other side of the generator to install the second support leg.

Installing the Handle

Push the bolts one by one through the holes in the handle, the rubber washer, the frame and the rubber washer. Tighten nuts securely. Repeat these steps to install the second handle.

Preparations

Before starting your generator, ensure proper preparation:

Adding Engine Oil

Slowly unscrew and remove the oil dipstick. Using a funnel, add the appropriate type of oil until the oil level is at the proper level. Reinsert the dipstick, but do not tighten it, and remove it again to check the oil level. After refueling, tighten the oil dipstick, wipe off the surrounding oil.

Image: Magnetic oil dipstick from GENMAX GM15000ET generator, designed to absorb iron filings. It is recommended to clean it every 50 hours or every time you add engine oil.

Adding Gasoline

Remove the tank cap and add gasoline. Note: Do not exceed the filter red line. When refueling, do not remove the fuel filter from the refueling port. Slowly add gasoline to the fuel tank. Be careful not to overfill.

Connecting an LPG Tank

Screw the Adapter onto the LPG/NG inlet. Tighten the LPG hose to the LPG/NG inlet of the generator. Remove the safety plug or cap from the LPG tank valve and attach the other end of the hose to the LPG connector on the tank.

Connect the Natural Gas (NG) Supply Line

Screw the Natural Gas Adapter onto the natural gas supply line. Connect the natural gas hose to the natural gas supply line. Tighten the other end of the natural gas hose to the LPG/NG inlet of the generator.

Connecting the Battery

Connect the positive and negative electrodes of the battery.

Operation

Learn how to start and operate your generator safely.

Turn the Fuel Switch to desired fuel source.

To switch to gasoline

• Add gasoline.
• Turn off the flow of natural or propane gas.
• Turn the Fuel Source Switch to the Gasoline position.

To switch to propane

• Open the cylinder valve on the LPG cylinder to start the flow of propane.
• Turn off the flow of natural gas and gasoline.
• Turn the Fuel Source Switch to the Propane(LPG) position.

To switch to natural gas

• Open the valve on the natural gas supply line to start the flow of natural gas.
• Turn off the flow of propane and gasoline.
• Turn the Fuel Source Switch to the Natural Gas(NG) position.

Choose the Starting Method

Push Button Start

Press the LOW IDLE Switch to "OFF". Press the Main Switch to "ON". Check whether the AUTO GEN START Switch is in the "OFF" position. If this switch is in the ON position, the start button and remote start/stop button will be disabled. Press the start button for 1-3 seconds, then release, to start the generator.

Remote Start

Push and hold the ON button on the remote start key fob for one second.

Recoil Start

Firmly grasp and pull the recoil handle slowly until you feel resistance, let it retract then pull swiftly.

Connecting Equipment

After about 5 seconds, the CO alarm light completes its self check. After 1-2 minutes of normal operation of the generator, connect the required equipment. Place the Circuit Breaker Switch in the "ON" position. The generator is running normally but there is no output. Check if the green light on the GFCI socket is on. If the green light is not on, please press the RESET button after the generator starts to make the green light on.

Low Temperature Environment

In cold weather start from -5°C (23°F) to -20°C (-4°F).

• Press the Priming Pump three times before starting the engine, this causes some fuel to enter the combustion chamber and aid with starting the generator.
• Start the generator by following the steps shown in the user manual.

Shutting Down the Generator

To safely shut down your generator, follow these steps:

Select the Stopping Mode

Turn off and unplug all connected electrical loads.

Button Stop

Press the button to turn off the generator.

Remote Stop

Press the "OFF" button on the remote control for 1-3 seconds.

If you do not use the generator for more than 7 days (168 hours), please press the main switch to the "OFF" position, which can prevent the battery from running out. Turn the Fuel Source Switch to the "OFF" position.

Service and Maintenance

Regular maintenance ensures the longevity and reliability of your generator.

Engine Oil Change

Place an oil pan (or suitable container) under the oil drain bolt, remove the oil drain bolt and allow the oil to drain. After the oil has drained completely, replace the oil drain bolt. Follow the procedure of "Adding Engine Oil" to add new engine oil and check the oil level.

Spark Plug Inspection

Pull out the spark plug cap. Unscrew the spark plug from the generator using the spark plug wrench included with this product. If the electrode is oily, clean it using a clean, dry rag. If the electrode has deposits on it, clean it with a brass wire brush. If the white insulator is cracked or chipped, replace the spark plug. Tip: The spark plug clearance is required to be measured by line thickness gauge, which shall be adjusted if necessary. Reinstall the spark plug. Replace Spark Plug Cap.

Cleaning/Replacing the Air Filter

Remove screws to remove the cover plate of the air cleaner. Remove the air filter element. Clean the components with cleaning agent. After cleaning, wrap the components in a cloth and screw them dry. Drip a few drops of oil to the foam filter element and squeeze off excess oil. Return the air filter element to its original position. Reinstall the air filter cover.

Long Time Storage

For long-term storage, proper preparation is crucial:

The generator needs to discharge the residual fuel from the carburetor for long-term storage. Disconnect the battery cable when storing for a long time to avoid battery power loss.

Troubleshooting

For detailed troubleshooting steps and solutions to common issues, please refer to the comprehensive user manual provided with your generator. This section will guide you through diagnosing and resolving operational problems.

Specifications

Warranty & Support

Your GENMAX GM15000ET Tri-Fuel Portable Generator includes a 1-year warranty with FREE lifetime technical support from experts.

For any inquiries or assistance, please contact GENMAX customer support.