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READ ALL INSTRUCTIONS AND WARNINGS BEFORE USING THIS PRODUCT.
This manual provides important information on proper operation & maintenance. Every effort has been
made to ensure the accuracy of this manual. These instructions are not meant to cover every possible
condition and situation that may occur. We reserve the right to change this product at any time without
prior notice.
IF THERE IS ANY QUESTION ABOUT A CONDITION BEING SAFE OR UNSAFE,
DO NOT OPERATE THIS PRODUCT!
DO NOT RETURN THIS GENERATOR TO THE RETAILER
If you experience a problem, have questions, or need parts for this product, please call Customer Service at
1-800-832-2966 , Monday-Friday, 9 AM - 6 PM Central Time. A copy of the sales receipt is required.
FOR CONSUMER USE ONLY
KEEP THIS MANUAL, SALES RECEIPT & APPLICABLE WARRANTY FOR FUTURE
REFERENCE.
MECH MARVELS
PORTABLE GENERATORS
MM2350/DF
MM4350/DF
MM8350DFE
MM9350E/DFE
INSTRUCTION MANUAL
NOT FOR PROFESSIONAL USE.

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Ken
May 19, 2025

Mech Marvels Generator MM9350E. Engine runs, Meter on panel reads 120v AC, all breakers are in, but no power output from any of the outlets

Summary of Contents for Mech Marvels MM2350

  • Page 1 MECH MARVELS PORTABLE GENERATORS MM2350/DF MM4350/DF MM8350DFE MM9350E/DFE INSTRUCTION MANUAL READ ALL INSTRUCTIONS AND WARNINGS BEFORE USING THIS PRODUCT. This manual provides important information on proper operation & maintenance. Every effort has been made to ensure the accuracy of this manual. These instructions are not meant to cover every possible condition and situation that may occur.
  • Page 2 CARBON MONOXIDE Using a generator indoors CAN KILL YOU IN MINUTES Generator exhaust contains carbon monoxide (CO). This is a poison you cannot see or smell. If you can smell the generator exhaust, you are breathing CO. But even if you cannot smell the exhaust, you could be breathing CO.
  • Page 3 Model MM2350/DF This unit is a Gasoline or Gasoline/Propane Dual Fuel powered generator. FEATURES: • 1500 Surge / 1200 Running Watts Output • 120VAC Operation • 3.0 HP Engine, 4 Stroke • Displacement (CC): 94 • Low Oil Shut Off •...
  • Page 4 (1)-120V RV Outlet • (1) 120/240V Outlet For all MECH MARVELS Generators in this Manual: Recommended Fuel types: Unleaded Gasoline Only with Octane rating of 87 or higher, and no more than 10% Ethanol content. Liquid Propane Gas (commonly referred to as LP, LPG, and Propane).
  • Page 5: Table Of Contents

    Table of Contents SAFETY SYMBOLS, WORDS AND LABELS..........................6 What You Need to Know About Safety Instructions ......................6 PACKAGE CONTENTS ................................10 GENERATOR COMPONENTS ..............................11 ......................................11 Control Panel Detail ................................. 12 GENERAL ASSEMBLY INSTRUCTIONS ..........................13 Installing Wheels and Support Feet ..........................13 PREPARING THE GENERATOR FOR USE ..........................
  • Page 6: Safety Symbols, Words And Labels

    SAFETY SYMBOLS, WORDS AND LABELS What You Need to Know About Safety Instructions Warning and Important Safety Instructions appearing in this manual are not meant to cover all possible conditions and situations that may occur. Common sense, caution and care must be exercised when operating or cleaning tools and equipment.
  • Page 7 IMPORTANT SAFETY INSTRUCTIONS Before using this generator and if you have any questions regarding the hazard and safety notices listed in this manual and/or on this generator, call 1-800-832-2966, Monday - Friday, 9 AM - 6 PM Central Time. Carbon Monoxide Gas: When in operation, the exhaust from this generator contains poisonous carbon monoxide gas.
  • Page 8 Propane Safety: Propane gas (also known as LPG, or PG) is a flammable liquid gas under pressure which can form explosive mixtures with air, and cause other bodily harm if improperly handled. In case of inhalation: Persons suffering from lack of oxygen should be immediately moved to fresh air. If a victim is not breathing, administer artificial respiration.
  • Page 9 In addition to the previously described safety information, familiarize yourself with all safety and hazard notices on this generator NEED HELP? 1-800-832-2966...
  • Page 10: Package Contents

    PACKAGE CONTENTS The following items are supplied with MECH MARVELS Portable Generators. Verify that all items are included. STOP! If there are missing items, call 1-800-832-2966 Monday - Friday, 9 AM - 6 PM Central Time for customer service. DO NOT RETURN THIS GENERATOR TO THE RETAILER.
  • Page 11: Generator Components

    GENERATOR COMPONENTS Observe the locations and functions of the various components and controls of this generator. 5. Fuel Valve: Turn this valve to the “on” 1. Recoil Starter: Used to start the engine. position to supply fuel to the engine. 2.
  • Page 12: Control Panel Detail

    Control Panel Detail Engine On/Off/Start Switch Propane(LPG) Inlet DC Circuit Breakers 120V RV Outlet AC Circuit Breakers Voltage Meter Ground Terminal 120V GFCI Duplex Outlets 120V Duplex Outlets 120/240VAC Twist Lock Outlet 12V DC Connector 120VAC Duplex outlets are protected by 20A Circuit Breakers Each Duplex Outlet supports up to 2400 Watts 120VAC RV Outlet is protected by 30A Circuit Breaker Each RV Outlet supports up to 3600 Watts...
  • Page 13: General Assembly Instructions

    GENERAL ASSEMBLY INSTRUCTIONS Installing Wheels and Support Feet 1. Before adding oil or fuel, install the wheels and feet on Model 4350/DF, 8350DFE, 9350E/DFE. 2. Carefully tip the generator backwards when looking at the control panel and insert the support feet under the frame.
  • Page 14: Preparing The Generator For Use

    Add the correct quantity of oil before operating this genera tor for the first time. When replenishing oil for subsequent use of this generator, always ensure that this generator has the correct quantity of oil. Model MM2350/DF Oil Capacity 13.5 Ounces Model MM4350/DF Oil Capacity 18.6 Ounces...
  • Page 15 Step 2 – Fueling Add Unleaded gasoline only with an octane rating of 87 or higher. Maximum Capacity: 1.5 Gallons (MM2350/DF) 4 Gallons (MM4350/DF) 7.5 Gallons (MM8350/9350E/DFE) Or attach a 20lb LPG cylinder using the supplied regulator assembly WARNING: YOU MUST USE THE SUPPLIED REGULATOR FOR SAFE OPERATION WHEN...
  • Page 16 Pre-Operation Check List Step 1 Check that the gasoline supply is in good condition, or check that the LPG inlet connection is secured tightly and not leaking. Turn the fuel valve to “on” for gasoline, or open the valve for LPG. Step 2 Make certain the CHOKE VALVE is at CHOKE (CLOSED) position.
  • Page 17: Starting The Generator

    STARTING THE GENERATOR STOP! Before starting this correctly completed. If unsure about how to perform any of these steps, call 1-800-832-2966 Monday - Friday, 9 AM - 6 PM Central Time for customer service. Step 1 Make sure unleaded gasoline fuel has been added to the tank. Step 2 Turn ENGINE SWITCH to the ON position.
  • Page 18: Subsequent Use Of This Generator

    After the engine has been running for several minutes, electrical devices may be connected to this generator. AC Usage Electrical devices running on AC current may be connected according to their wattage requirements. The rated (running) and su rge wattage: Model MM2350/DF Rated (Running)/ Surge Wattage 1200/1500 Model...
  • Page 19 SOME NOTES ABOUT POWER CORDS Long or thin cords can require more wattage from a generator to power an electrical device. Figure 7 shows the recommended cords according to the power requirement of the electrical device. When using cords that exceed these specifications, allow for the electrical devic e to have a slightly higher rated wattage requirement.
  • Page 20 Connect electrical devices to this generator according to the following procedure: 1. Allow the engine to run for several minutes after it has been started. 2. Confirm that the electrical device is switched off prior to plugging it into this generator. NOTE: While this generator is running, power is available from either the standard 120 Volt outlets or the 12 Volt DC outlet.
  • Page 21: Dc Usage

    DC USAGE To connect 12 Volt batteries to the DC outlet: 1. Connect the red charging wire to the positive terminal of the battery and the black charging wire to the negative terminal of the battery. If charging in a vehicle, always disconnect the vehicle’s ground cable first.
  • Page 22: Maintenance/Care

    Perform maintenance checks and procedures according to the schedule in Figure 10. It is recommended to use genuine Mech Marvels parts for any replacement needs. Use of non-Mech Marvels parts can damage or reduce the life of your generator.
  • Page 23: Changing/Adding Oil

    Changing/Adding Oil The oil level in this generator should be checked before each use. When the oil level is low, add oil until the level is sufficient to operate this generator . To drain the oil from this generator: The oil should be changed after the first 20 hours of operation. The oil should then be c hanged every 6 months, or for every 100 hours of use time, or when it has become contaminated with water and/or dirt.
  • Page 24: Spark Plug Maintenenace

    Spark Plug Maintenenace Remove the spark plug cable from the spark plug. Using the spark plug tool that came with the generator remove the spark plug. Inspect the plug electrode. It must be clean and unworn to produce a proper spark for ignition. Check the spark plug gap.
  • Page 25: Storage/Transport Procedures

    STORAGE/TRANSPORT PROCEDURES prevent fuel spill when transporting during temporary storage, generator should be secured upright its normal operating position, with the engine and fuel switches OFF. sure the storage area free of excessive humidity, and dust. Keep heat, sparks, flames away from the generator.
  • Page 26: Troubleshooting

    TROUBLESHOOTING Be sure that there is no fuel spilled around the spark plug, spilled fuel may ignite. Consult authorized service center Check the Spark Plug See Table 1 for type and gap setting Does not spark Consult authorized service center NEED HELP? 1-800-832-2966...
  • Page 27: Specifications

    SPECIFICATIONS Generator Model MM2350 MM2350DF MM4350 MM4350DF Horsepower Engine Displacement 94cc 94cc 212cc 212cc Running Watts 1200W 1200W 3200w 3200w Gas Starting Watts 1500W 1500W 4000w 4000w Gas Rated Frequency 60Hz 60Hz 60Hz 60Hz Rated Voltage 120VAC 120VAC 120VAC 120VAC Rated Current 26.7A...
  • Page 28 Generator Model MM8350DFE MM9350E MM9350DFE Horsepower Engine Displacement 420cc 420cc 420cc Running Watts 6000w 7500W 7500W Starting Watts 7500w 9000w 9000w Rated Frequency 60Hz 60Hz 60Hz Rated Voltage 120/240VAC 120/240VAC 120/240VAC Rated Current 50A/30A 62.5A/31A 62.5A/31A Run Time 12Hrs @ 50% Load 11Hrs @ 50% Load 11Hrs @ 50% Load (4) 120VAC, 20A...
  • Page 29: Warranty

    WARRANTY 2 YEAR LIMITED EMISSION-RELATED WARRANTY THIS ENGINE MEETS U.S. EPA EMISSION STANDARDS UNDER 40 CFR 1054.625 .The emission-related limited warranty is valid for two (2) years. Keep the purchase receipt and register your Generator for warranty at www.mechmarvels.com. QJ North America Inc. limits emission-related warranty repairs to authorized service centers for owners located within 100 miles of an authorized service center.
  • Page 30 the lack of receipts or for your failure to ensure the performance of all scheduled maintenance. As the power equipment engine owner, you should however be aware that QJ NORTH AMERICA INC. may deny your warranty coverage if your power equipment engine or a part has failed due to abuse, neglect, improper maintenance or unapproved modifications.
  • Page 31 EMISSION WARRANTY PARTS LIST (1) Fuel Metering System: (a) Gasoline carburetor assembly and its internal components (b) Carburetor gaskets (c) Fuel line (d) Clamps (e) Fuel tank (f) Fuel line fittings (g) Pressure regulator(if equipped) (h) Mixer assembly and its internal components (if equipped) (2)Air induction system including: (a)Intake pipe/manifold (b) Air cleaner...

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Mm2350dfMm4350Mm4350dfMm8350dfeMm9350eMm9350dfe

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