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120 VOLTS 120/240 VOLTS
RESET
RESET
FULL POWER
RESET SELECTOR RESET
TEST
120 120
ONLY 240V
R
PORTABLE DIESEL
GENERATOR
OWNER’S OPERATION AND INSTALLATION MANUAL
Generator Model: MGY5000
IMPORTANT
Read and understand this manual before operating or servicing
generator. Improper use of generator can cause serious injury.
Keep this manual for future reference.
EF
RUN
STOP
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SECTION PAGE CONTENTS Safety Information ........................................................................... 3 Product Identification ...................................................................... 6 General Information ........................................................................ 7 Specifications .................................................................................. 7 Unpacking.................................................................................
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SAFETY ! WARNINGS WARNING ICON G 001 IMPORTANT: Read this owner’s manual and the engine owner’s INFORMATION manual carefully. Become familiar with this generator before trying to operate or service it. Know its uses, limitations, and any hazards involved. Improper use of generator can cause severe injury or death from explosion, fire, burns, electrical shock, or carbon monoxide poisoning. ! DANGER WARNING ICON G 001 Carbon monoxide poisoning may lead to death! Engine exhaust contains poisonous c
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! WARNING SAFETY 2. Guard against fire hazard. Keep operation area well-vented. Keep generator at least three feet away from any object. Do not place flam- INFORMATION mable objects near generator. Continued • Do not use generator where flammable vapors are present. Some vapors are heavier than air. These vapors settle in low-lying places. • Do not use generator in enclosed spaces. This includes motor home or RV generator compartments. ! WARNING 3. Guard against electric shock. Generator produ
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SAFETY ! WARNING 8. Battery contains sulfuric acid. Battery acid is poisonous if swallowed. Contact with skin or eyes may cause severe burns. Do not tilt INFORMATION generator with battery installed. Tilting could cause battery acid to spill. Continued Wear protective clothing and face shield when servicing. Keep out of children’s reach. ! WARNING 9. Only a qualified electrical service person should service and repair generator. • Generator produces high voltage. Use extreme caution when worki
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EF 120 VOLTS 120/240 VOLTS RESET RESET FULL POWER RESET SELECTOR RESET TEST 120 ONLY 120 240V PRODUCT IDENTIFICATION Run Lamp Roll Cage Control Engine Panel Run Lever Engine Stop Lever 120 Volt Receptacle Oil Alert 120 Volt Lamp Receptacle (GFCI) Battery Discharge Full Power Lamp Selector Switch Electric Start 120/240 Volt Circuit Switch Receptacle Breaker Fuel Valve Alternator (under fuel tank) Fuel Gage Fuel Cap Decompression Fuel Tank Lever Starter Grip Ground Lug Spark Arrester Muffler Engin
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This portable generator is rugged and compact. It provides dependable, trouble-free GENERAL service. The alternator is brushless with revolving fields. Yanmar diesel engine provides long life under heavy use. This engine is governed to maintain engine INFORMATION speed of 3600 RPM under load. 3600 RPM engine speed provides 120/240V, 60 Hz power. Additional Features • Circuit breaker protection • Spark-arresting muffler • Large fuel tank • Oil alert system • Electric starter • Pressurized lubrica
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VENTILATION DANGER WARNING ICON G 001 Use only in well-vented areas. Make sure area has plenty of free-moving, fresh, outside air. Never run generator in an enclosed or confined area. Never run generator inside occupied building. Engine exhaust contains poisonous carbon monoxide gas. Overexposure will cause loss of consciousness and will lead to death. This generator needs cooling air to run properly. Never block free-flowing, cooling air to generator. Overheating will occur without cooling air
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Oil Alert GENERATOR Lamp FEATURES Continued Battery Discharge Lamp Figure 2 - Battery Discharge Lamp and Oil Alert Lamp Location BATTERY DISCHARGE LAMP The battery discharge lamp (see Figure 2, above) will light if battery charger is not operating while engine is running. If this happens, the battery will not charge and will eventually run down. Have battery charging circuit repaired by authorized service person. FULL POWER SELECTOR SWITCH The full power selector switch is on the control panel.
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RESET TEST GROUND FAULT CIRCUIT INTERRUPTER RECEPTACLE GENERATOR This generator has a 120-volt ground fault circuit interrupter (GFCI) receptacle. FEATURES The GFCI receptacle is on the control panel. The GFCI protects you against hazardous electrical shock caused when your body becomes a path through which Continued electricity travels to reach ground. This could happen when you touch an appli- ance or cord that is ‘live’ through faulty mechanism, damp or worn insulation, etc. When protected by
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RECEPTACLE CIRCUIT BREAKER GENERATOR The circuit breakers protect the receptacles and alternator. Overloading generator will trip circuit breaker. A short circuit in item being powered will also trip FEATURES breaker. If this occurs, unplug electrical load from receptacle. Let circuit breaker Continued cool down. Push circuit breaker button to reset. Electric motors need higher starting current. They require up to three-times their rated wattage to start. The starting current needed may be too h
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We ship the generator without oil in the engine crankcase. You must add oil before ENGINE OIL starting engine. See engine owner’s manual for specific oil type. CHECKING OIL LEVEL AND ADDING OIL Follow steps below to check oil level. Make sure engine is level and stopped. 1. Remove either dipstick (see Figure 7). Wipe dipstick clean. 2. Insert dipstick into oil filler neck. Do not screw it in. Oil level should be at top of filler neck. Oil should cover most of dipstick. 3. If level is low, fill t
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FUEL WARNING WARNING ICON G 001 Diesel fuel presents a hazard of fire. Diesel fuel is flammable. • Keep fuel out of children’s reach. • Refuel generator in a well-vented area. Do not fill fuel tank in the dark. Do not refuel while engine is running. Unhook all electrical loads and shut off engine before refueling. • Do not overfill fuel tank. Always allow room for fuel to expand. If you overfill tank, fuel can over- flow onto hot engine. This can cause fire. After refueling, tightly close fuel
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BATTERY CAUTION WARNING ICON G 001 Continued If you remove battery, insulate the red, positive (+) battery cable terminal. Insulate with electrical tape. Exposed terminal may spark when generator runs. IMPORTANT: Make sure battery connections are the correct polarity. This generator use negative ground, 12-volt DC starting system. This generator has an electric starter. A battery is not supplied with generator. You must provide a 12-volt, 45-amp-hour battery. The positive and negative battery c
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MOUNTING BATTERY TO GENERATOR BATTERY 1. Secure battery to generator by battery hold-down system. This system consists Continued of the battery mounting bracket, hook bolts, and nuts (see Figure 10). 2. Locate the red, positive (+) battery cable from starter solenoid. Connect it to the positive (+) battery terminal (see Figure 11). 3. Locate the black, negative (–) battery cable attached to engine block. Connect it to the negative (–) battery terminal (see Figure 11). 4. Check battery before sta
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GENERATOR CAUTION WARNING ICON G 001 GROUNDING You must properly earth-ground generator before starting. This will help guard against deadly electric shock. Only use grounded plugs with generator. Only use grounded extension cords. Only use three-wire or double-insulated power tools. Grounding generator helps prevent electric shock from a ground fault condition. Locate ground lug on end of generator housing (see Figure 12). Attach a #10 stranded-copper ground wire to ground lug. Drive grounding
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Only use grounded extension cords. Be sure to use extension cord with proper wire EXTENSION gauge size. See chart below. CORDS Recommended Minimum Wire Gauges (AWG) for Extension Cords Ampere AWG for Length of Cord in Feet Load 50' 100' 150' 218 18 18 318 18 18 416 16 16 516 16 16 616 16 14 816 14 12 10 16 14 12 12 14 14 12 14 14 12 10 16 12 12 10 20 10 10 8 STANDBY WARNING ICON G 001 WARNING INSTALLATION Have standby installation performed by a skilled, licensed electrician. Do not let anyone e
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You must decide what electrical load your generator can power. Do this before DETERMINING using generator. Use the following four-step method. It will help you select a load that is not too large. Make sure total wattage of all electrical loads does not exceed ELECTRICAL 5000 watts. Electric motors present a special problem when figuring load. Read LOAD FOR Step 3 carefully. 1. Make two lists of items you want powered by generator. List all motors and GENERATOR motor-powered appliances in one. L
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120 VOLTS 120/240 VOLTS RESET RESET FULL POWER RESET RESET SELECTOR TEST 120 120 ONLY 240V GENERAL INFORMATION OPERATION This generator is not large enough to power your entire home. Do not connect generator to any existing electrical circuits. Plug items directly into generator receptacles. Do not exceed amperage rating of receptacles. Only use grounded cords. DANGER WARNING ICON G 001 Use only in well-vented areas. Make sure area has plenty of free-moving, fresh, outside air. Never run genera
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POWER CORD AND PLUG REQUIREMENTS OPERATION 120V, 30-amp twist-lock receptacle Continued • NEMA L5-30P plug • Three-wire, 30-amp cord 120/240V, 20-amp twist-lock receptacle • NEMA L14-20P (20-amp) plug • Four-wire, 20-amp cord 120 Volt 30 Amp L5-30P W X Plug X G Ground (Hot) (Green) W (Neutral) 120/240 Volt 20 Amp Neutral 120V 120V w X L14-20P Ground YX (Hot) G Plug (Green) Ground W Y (Neutral) (Hot) Figure 14 - Cord and Plug Configurations 20
