Master Lock MGR2900A, MGR4500I, MGR6000I Maintenance and Repairs, Disconnecting Electric Loads

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OWNER’S MANUAL

OPERATION

Continued

HIGH ALTITUDE OPERATION

This generator will not perform well at high altitudes without proper adjustment. See engine owner’s manual for details.

ADDING ELECTRICAL

LOADS

IMPORTANT: Do not overload generator. Make sure total wattage of all electrical loads does not exceed rated wattage of generator. Overloading may shorten generator life. It could also cause internal damage to genera- tor. Overloading will trip circuit breaker.

IMPORTANT: (All models except MGR2900A) Keep voltage selector switch in the 120 VOLT ONLY position if only powering 120V items. Only move switch to 120 + 240 VOLT position if powering 240V items.

1.Check items to be powered. Their nameplate lists their wattage ratings.

Note: The wattage ratings for some electrical motors are misleading. They may require up to three-times their rated wattage to start. You must figure total electrical load wattage. Make sure total wattage of all electrical loads does not exceed rated wattage of generator. See Determining Electrical Load For Generator, page 9.

2.Start engine. Let engine reach full speed.

3.Connect electrical loads one at a time. If the load consists of electric motors, start them first. Always start the largest first. Start each motor individually.

DISCONNECTING ELECTRIC LOADS

Remove electrical loads one at a time. Re- move voltage sensitive items first. Voltage sensitive items include TVs, VCRs, and other home electronic items.

STOPPING ENGINE

IMPORTANT: The engine speed is preset. The throttle is locked in preset position. Do not adjust throttle.

Follow the steps below to stop engine.

1.Remove all electrical loads from genera- tor (see Disconnecting Electrical Loads). Remove electrical loads one at a time.

2.Let engine run for two or three minutes after removing electrical loads. This lets engine cool slightly.

3.Turn engine switch to the OFF position (see Figure 18).

4.Turn fuel valve lever off except on Model MGR6000I. Do this by moving valve lever fully to the left (see Figure 19).

ENGINE SW

ON

OFF

Figure 18 - Engine Switch In OFF Position

CLOSED

OPEN

Fuel Valve Lever

(Off Position)

Figure 19 - Fuel Valve Lever Off (Model MGR4500I Shown)

MAINTENANCE AND REPAIRS

WARNING: Only a qualified electrical service person should service and repair the alternator onthisgenerator.Useonlyfactory approved replacement parts.

CAUTION: The engine speed is preset. The throttle is locked in preset position. Do not adjust throttle. Preset position lets en- gine run at 3600 RPM under load. The engine must maintain 3600 RPM for generator to create cor- rect voltage. Running engine at lower speeds will damage genera- tor and powered items.

CAUTION: Shut off generator before performing maintenance.

IMPORTANT: Keep generator level when servicing. Never turn generator upside down or stand it on end to service.

Note:We supply the engine owner’s manual with generator. Refer to that manual for questions concerning engine maintenance and repairs.

Non-engine parts require little maintenance. Keep generator clean. Use a damp cloth to clean outside surfaces. Never use water to clean generator. Water can cause damage to internal parts. Use vacuum to clean air inlet and outlet louvers of alternator.

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Contents Portable Gasoline Generators Portable Gasoline Generators Safety InformationIf it produces smoke or flames Product IdentificationGeneral Information High and LOW Temperature OperationUnpacking VentilationModel SpecificationsMGR2900A MGR4500I MGR6000I Voltage Selector Switch Generator FeaturesOIL Alert System AUTO-IDLE SystemFuel Engine OILReceptacle Circuit Breaker Checking OIL Level and Adding OILRecommended Minimum Wire Gauges AWG for Extension Cords Standby Installation to Home or BuildingExtension Cords Generator GroundingChart Chart 1 Typical Electric Appliance WattagesDetermining Electrical Load for Generator Power Cord and Plug Requirements Using ReceptacleOperation General InformationStarting PrestartAUTO-IDLE Operation Adjusting the Idle Speed Models MGR4500I MGR6000IDisconnecting Electric Loads Maintenance and RepairsHigh Altitude Operation Adding Electrical Loads Stopping EngineTroubleshooting Technical ServiceStorage Servicing the EngineWiring Diagrams Electrical Component SpecificationsCapacitor ModelWiring Diagram, Models MGR4500I and MGR6000I For Model MGR2900A Alternator Assembly Illustrated Parts ListKEY Part Number Description QTY Parts Available not ShownKEY Part Number for Model For Models MGR4500I MGR6000I Alternator AssemblyMGR4500I MGR6000I Description QTYFor Model MGR2900A Roll Cage Inform For Models MGR4500I MGR6000I Fuel Tank Roll CageKEY For Models MGR4500I MGR6000I Fuel Tank and Roll CageFor Models MGR4500I MGR6000I Control Panel Repair Service Replacement Parts and AccessoriesWarranty Service NON-WARRANTY ServiceKeep this Warranty Warranty Information

MGR2900A, MGR4500I, MGR6000I specifications

Master Lock has long been synonymous with security, providing reliable and durable locks to ensure peace of mind. Among its diverse product range, the Master Lock MGR2900A, MGR4500I, and MGR6000I stand out due to their advanced features and design.

The Master Lock MGR2900A is a versatile combination padlock that offers convenience and security. With a customizable four-digit combination, users can enjoy the ease of access while maintaining privacy. Its solid steel construction ensures strength and durability, while a weather-resistant cover protects it from environmental factors, making it suitable for both indoor and outdoor use. The MGR2900A's compact size makes it ideal for securing lockers, gates, and storage units, providing users with a reliable locking solution in various scenarios.

Moving up in capability, the Master Lock MGR4500I is equipped with innovative technology designed to maximize security. This electronic bike lock employs a Bluetooth connection, allowing users to lock and unlock the device directly from their smartphones. The MGR4500I features a built-in alarm system that activates upon attempted tampering, deterring potential thieves. Its sturdy construction, combined with a rechargeable battery that can last for weeks, makes it a popular choice for cyclists. Additionally, the app provides access to usage history and alerts, giving users complete control over their lock's functionality.

Finally, the Master Lock MGR6000I exemplifies the pinnacle of electronic security. This smart lock integrates seamlessly with home automation systems, allowing users to control access remotely. Offering fingerprint recognition and smartphone connectivity, the MGR6000I ensures quick yet secure entry—ideal for busy households. Its sleek design complements modern aesthetics while providing robust security measures, including a backup key option for emergencies. The lock's weather-resistant features make it resilient against the elements, ensuring reliable performance year-round.

In summary, the Master Lock MGR2900A, MGR4500I, and MGR6000I each provide unique features suited for different security needs. From customizable combinations and Bluetooth connectivity to advanced smart technology, these locks exemplify Master Lock’s commitment to innovation and quality, making them ideal choices for anyone seeking dependability and peace of mind.
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