Rheem GEN12AD-V User Manual

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 WARNING Starter and other rotating parts could 
entangle hands, hair, clothing, or accessories 
resulting in serious injury.
t NEVER operate generator without protective housings, 
covers, or guards in place.
t DO NOT wear loose clothing, jewelry or anything that 
could be caught in the starter or other rotating parts.
t Tie up long hair and remove jewelry.
t Before servicing, remove 15 Amp fuse from control panel 
and disconnect Negative (NEG or -) battery cable.
 CAUTION Installing the 15A fuse could cause the 
engine to start at any time without warning 
resulting in minor or moderate injury.
t Observe that the 15 Amp fuse has been removed from the 
control panel for shipping.
t DO NOT install this fuse until all plumbing and wiring has 
been completed and inspected.
 CAUTION Excessively high operating speeds could 
result in minor injury and/or equipment damage, 
Excessively low speeds impose a heavy load on generator.
t DO NOT tamper with governed speed. Generator supplies 
correct rated frequency and voltage when running at 
governed speed.
t DO NOT modify generator in any way.
NOTICE  Improper treatment of generator could damage it 
and shorten its life.
t Use generator only for intended uses.
t If you have questions about intended use, contact your 
authorized dealer.
t Operate generator only on level surfaces.
t Adequate, unobstructed flow of cooling and ventilating air 
is critical to correct generator operation.
t The access panels/doors must be installed whenever the 
unit is running.
t DO NOT expose generator to excessive moisture, dust, 
dirt, or corrosive vapors.
t Remain alert at all times while working on this equipment. 
Never work on the equipment when you are physically 
or mentally fatigued.
t DO NOT start engine with air cleaner or air cleaner 
cover removed.
t DO NOT insert any objects through cooling slots.
t DO NOT use the generator or any of its parts as a step. 
Stepping on the unit could cause stress and break parts. 
This may result in dangerous operating conditions from 
leaking exhaust gases, fuel leakage, oil leakage, etc.
t If connected devices overheat, turn them off and 
disconnect them from generator.
Shut off generator if 
 
- electrical output is lost; 
 
- equipment sparks, smokes, or emits flames; 
 
- unit vibrates excessively;
 
- unit makes unusual noises.
 WARNING Exhaust heat/gases could ignite combustibles 
or structures resulting in death, serious 
injury and/or property damage. Contact with 
muffler area could cause burns resulting in 
serious injury.
t DO NOT touch hot parts and AVOID hot exhaust gases.
t Allow equipment to cool before touching.
t Exhaust outlet side of weatherproof enclosure must 
have at least 5 ft. (1.5 m) minimum clearance from any 
structure, shurbs, trees or any kind of vegetation.
t Standby generator weatherproof enclosure must be at 
least 5 ft. (1.5 m) from windows, doors, any wall opening, 
shrubs or vegetation over 12 inches (30.5 cm) in height.
t Standby generator weatherproof enclosure must have a 
minimum of 5 ft. (1.5 m) overhead clearance from any 
structure, overhang or trees.
t DO NOT place weatherproof enclosure under a deck or 
other type of structure that may confine airflow.
t Use only flexible steel fuel line provided. Connect provided 
fuel line to generator, DO NOT use with or substitute any 
other flexible fuel line.
t Smoke detector(s) MUST be installed and maintained 
indoors according to the manufacturer’s instructions/
recommendations. Carbon monoxide alarms cannot 
detect smoke.
t Keep at least minimum distances shown in General 
Location Guidelines to insure for proper generator cooling 
and maintenance clearances.
t It is a violation of California Public Resource Code, 
Section 4442, to use or operate the engine on any forest-
covered, brush-covered, or grass-covered land unless 
the exhaust system is equipped with a spark arrester, as 
defined in Section 4442, maintained in effective working 
order. Other states or federal jurisdictions may have 
similar laws. 
Contact the original equipment manufacturer, retailer, or 
dealer to obtain a spark arrester designed for the exhaust 
system installed on this engine.
t Replacement parts must be the same and installed in the 
same position as the original parts.
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