Power Cord and Plug Requirements, Prestart, Starting

OWNER’S MANUAL

OPERATION

Continued

Model MGH10000 also has a 120/240V, 50-amp receptacle (see Figure 15).

Model HWI3000 has only the 120V, 20- amp duplex receptacle.

Models MGH3000 and MGH3000PR have only the 120V, 15-amp GFCI duplex receptacle.

120V, 15-Amp GFCI Duplex

	120V, 15-Amp Duplex
	120/240V, 20 or
	30-Amp Twist-Lock
120	VOLTS
	VOLTS
	RESET
	TEST
	120
	ONLY
				120
			EN	240V
		00	EN	M
		00		M
	H	00
	H	OU	00
		OU	RS	05	R
				1	ES
				/10	ET
120V, 30-Amp					RE
Twist-Lock					SET
Twist-Lock

POWER CORD AND PLUG REQUIREMENTS

120V, 30-amp twist-lock receptacle

•NEMA L5-30P plug

•Three-wire, 30-amp cord

120/240V, 20 or 30-amp twist-lock receptacle

•NEMA L14-20P (20-amp) or L14-30P (30-amp) plug

•Four-wire, 20-amp or 30-amp cord

120/240V, 50-amp receptacle

•NEMA L14-50P

•Four-wire, 50-amp cord

120/240 Volt
20 Amp		Neutral
		Neutral
		120V	120V
Ground	X		w	L14-20P
Ground	X	Y	X	L14-20P
(Green)	(Hot)		G	Plug
		Ground
Y	W
Y	(Neutral)
(Hot)	(Neutral)
(Hot)

PRESTART

Operate generator on a firm, dry, and clean surface. The surface must be level. Protect generator from heavy dust, sand, dirt, rain, or snow. Do not locate generator near stand- ing water and snow. Make sure area is well- vented.

WARNING: Only responsible adults should use generator. Never let anyone operate genera- tor without proper instructions.

Note: If oil level is too low, oil alert system will keep engine from starting (see Oil Alert System, page 6). Make sure oil level is full before starting. See Engine Oil, page 7.

Before starting the engine, disconnect all electric loads from generator.

STARTING

IMPORTANT: 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 gen- erator to create correct voltage. Running engine at lower speeds will damage genera-

R	240
ESET	240	VO
		LTS
RESET		RESET
		RESET
		RESET

120/240 Volt

20 and 30

Amp

Ground (Green)

Y (Hot)

Neutral 120V 120V

L14-20P

wPlug

Y X

GGround L14-50P

Plug

X	Ground		Y	G	X
(Hot)	Neutral			w
(Hot)	120V	120V
	120V	120V
			120V		120V

Y X Neutral

WL14-30P

(Neutral)Plug Ground

tor and powered items.

IMPORTANT: Never start generator with electrical loads connected. Start engine be- fore adding electrical loads.

1.	Make sure gasoline tank is full. See
	Fuel, page 7 for fuel information.
2.	Move fuel valve lever to the ON posi-
	tion except on model MGH3000PR
	(see Figure 17).
3.	Move choke lever fully to the left for

Figure 16 - Cord and Plug Configurations

120/240V, 50-Amp

(Model MGH10000 only)

Figure 15 - Receptacle Locations

all models except MGH3000PR and

MGH10000 (see Figure 17). Pull

choke rod for model MGH3000PR or

choke button for model MGH10000

out (see Figures 18 and 19). This

closes the choke.

Note: You may not need to close

choke if engine is warm or air tem-

perature is high.