Engine Safety; Service Safety - Generac Power Systems MGG155 Operating Manual

Safety
• DO NOT smoke around the unit.
• Shut the engine down if any of the following conditions exist during operation:
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 unless exhaust hoses are used. Engine
exhaust contains carbon monoxide, a deadly, odorless and colorless gas which, if inhaled, can cause
nausea, fainting or death. Verify 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.
• DO NOT remove the radiator cap while the engine is hot.
• 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.
• DO NOT 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.
• ALWAYS turn the battery disconnect switch to the OFF position before performing any service on the
engine, generator, or any other components. Remove the negative (-) battery cable from the
corresponding terminal if the unit is to be stored or transported.
2 MGG155/210 Operating Manual 35319 C