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Safety
1. Noticeable change in engine speed.
2. Loss of electrical output.
3. Equipment connected to the unit overheats.
4. Sparking occurs.
5. Engine misfires or there is excessive engine/generator vibration.
6. Protective covers are loose or missing.
7. If the ambient air temperature is above 120°F (49°C).
ENGINE SAFETY
Internal combustion engines present special hazards during operation and fueling. Failure to follow the
safety guidelines described below could result in severe injury or death. Read and follow all safety warnings
described in the engine operator's manual. A copy of this manual was supplied with the unit when it was
shipped from the factory.
•
DO NOT run engine indoors or in an area with poor ventilation. Engine exhaust contains carbon
monoxide, a deadly, odorless and colorless gas which, if inhaled, can cause nausea, fainting or death.
Make sure engine exhaust cannot seep into closed rooms or ventilation equipment.
•
DO NOT touch or lean against hot exhaust pipes or engine components.
•
DO NOT clean air filter with gasoline or other types of low flash point solvents.
•
DO NOT operate the unit without a functional exhaust system.
•
Prolonged exposure to sound levels in excess of 85 dB(A) can cause permanent hearing loss. Wear
hearing protection when working around a running engine.
•
Batteries contain sulfuric acid which can cause severe injury or death. Sulfuric acid can cause eye
damage, burn flesh or eat holes in clothing. Protective eye wear and clothing are necessary when
working on or around the battery. Always disconnect the negative (-) battery cable from the
corresponding terminal before performing any service on the engine or other components.
•
NEVER open the radiator cap or oil drain plug while the engine is running or before the engine has
cooled down. Pressurized coolant and hot engine oil can cause severe burns. Allow the unit to cool
completely before attempting any service work.
•
Keep area around exhaust pipes and air ducts free of debris to reduce the chance of an accidental fire.
SERVICE SAFETY
All service work must be performed by qualified personnel who are familiar with the equipment. Only a
qualified electrician should troubleshoot or repair electrical problems occurring in this equipment. Fol-
low the safety guidelines described below to prevent hazardous situations which could result in severe
injury or death.
•
NEVER wash the unit with high pressure hoses, power washers, or steam cleaners. Water may collect
in the unit, causing damage to electrical parts.
•
ALWAYS use extreme caution when servicing this unit in damp conditions. Do not service the unit if
your skin or clothing is wet. Do not allow water to collect around the base of the unit.
•
Replace all missing and hard to read decals. Decals provide important operating instructions and
warn of dangers and hazards.
•
Before servicing the unit, make sure the Control Power switch and circuit breakers are in the OFF (O)
position, and the negative (-) terminal on the battery is disconnected. NEVER perform even routine
service (oil/filter changes, cleaning, etc.) unless all electrical components are shut down.
•
NEVER start the unit under load. The circuit breakers must be in the OFF (O) position when starting
the unit in Manual mode. The circuit breakers can be in the ON (I) position only when started in the
Auto mode. A transfer switch must be used in the Auto mode to deflect the load upon startup.
2
MDG20IF4-MLG20IF4 Operating Manual
37100 B
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