R

PORTABLE GASOLINE GENERATORS

OPERATION

Continued

Adjusting the Idle Speed

IMPORTANT: Adjust the idle speed only:

If the idle speed becomes too high.

If the engine idle speed will not regulate (en- gine wants to “hunt” or speeds up and slows down repeatedly).

1.Turn Auto-Idle switch OFF. Start en- gine. Allow engine to warm up with no load for five minutes.

WARNING: Always set the idle speed before turning on the Auto- Idle. If idle speed is not set, the largerresistoronthecontrolboard may become hot. Heat from the resistor may damage the protec- tive coating on the control board.

2.Connect a volt meter to the 120-volt duplex receptacle.

3.Fully push plunger into the solenoid body (to manually engage solenoid) and slowly bend solenoid bracket back until the engine is running at the proper idle speed. At proper idle speed (2680 minimum RPM), the meter should read 50-60 Volts. Lower settings will cause the Auto-Idle to not operate properly.

4.Turn Auto-Idle switch ON. Make sure solenoid is engaged. When engaged, the punger is pulled back into the solenoid.

5.If the engine speed is too slow, the en- gine will want to “hunt” or speed up and slow down repeatedly. When this occurs, increase engine speed by adjust- ing the throttle (refer to engines opera- tion in Engine Manual).

Solenoid

Mounting

Bracket

Bolt

Figure 17 - Solenoid Bracket Location

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 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 larg- est 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.

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Master Lock MGH8500IE installation manual High Altitude Operation Adding Electrical Loads, Disconnecting Electric Loads

MGH8500IE specifications

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