Master Lock MGH10000C Maintenance and Repairs, High Altitude Operation Adding Electrical Loads

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PORTABLE GASOLINE GENERATORS

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.

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 10.

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 includeTVs,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 gen- erator (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 21).

HONDA

ON

OFF START

ENGINE SW

Figure 21 - Engine Switch In OFF Position

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 engine run at 3600 RPM under load. The engine must maintain 3600 RPM for generator to create correct voltage. Running engine at lower speeds will damage gen- erator 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 Safety Information Portable Gasoline GeneratorsProduct Identification GeneratorDUST, DIRT, Rain Snow High and LOW Temperature OperationProduct Identification Ventilation General InformationOIL Alert System SpecificationsGenerator Features Electric Start Test ProcedureAUTO-IDLE System Engine Circuit BreakerHandles and TOP Cover Engine OILFuel Checking OIL Level and Adding OILRecommended Minimum Wire Gauges AWG for Extension BatteryMounting Battery to Generator Extension CordsStandby Installation to Home or Building Generator GroundingDetermining Electrical Load for Generator Chart 1 Typical Electric Appliance WattagesChart General Information Using ReceptacleOperation Starting Power Cord and Plug RequirementsPrestart Adjusting the Idle Speed AUTO-IDLE OperationHigh Altitude Operation Adding Electrical Loads Maintenance and RepairsDisconnecting Electric Loads Stopping EngineStorage Technical ServiceTroubleshooting Servicing the EngineElectrical Component Specifications Wiring DiagramsWiring Diagram, Model MGH8500AIE Illustrated Parts List For Model MGH8500AIE Fuel Tank and Roll CageKEY Part Number Description QTY For Model MGH10000C Fuel Tank and Roll Cage WP-5C For Model MGH8500AIE Control PanelFor Model MGH10000C Control Panel For Models MGH8500AIE MGH10000C Alternator Assembly Description QTYWarranty Service Replacement Parts and AccessoriesRepair Service NON-WARRANTY ServicePortable Gasoline Generators 117846 Warranty Information

MGH8500AIE, MGH10000C specifications

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