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Dayton Operating Instructions and Parts Manual
Dayton
®
Generator
2ZRP8, 2ZRP9
• To minimize gum deposits in your fuel
system and to insure easy starting,
do not use gasoline left over from
the previous season.
• Do not add oil to the gasoline.
FUEL TYPE
• For best results use only clean, fresh,
unleaded gasoline with a pump
sticker octane rating of 87 or higher.
• Unleaded gasoline is recommended as
it leaves less combustion chamber
deposits.
Gasoline/Alcohol Blends:
Gasohol (up to 10% ethyl alcohol,
90% unleaded gasoline by volume) is
approved, as a fuel. Other gasoline/
alcohol blends are not approved.
Gasoline/Ether Blends:
Methyl Tertiary Butyl Ether (MTBE)
and unleaded gasoline blends (up to a
maximum of 15% MTBE by volume) are
approved as a fuel. Other gasoline/ether
blends are not approved.
BATTERY INSTALLATION
SHOULD ONLY
BE DONE BY AN
AUTHORIZED DEALER.
HIGH ALTITUDE
At high altitude, the standard carburetor
air/fuel mixture will be too rich.
Performance will decrease, and fuel
consumption will increase. A very rich
mixture will also foul the spark plug and
cause hard starting. Operation at an
altitude that differs from that at which
this engine was certified, for extended
periods of time, may increase emissions.
High altitude performance can be
improved by specific modifications to the
carburetor. If you always operate your
generator at altitudes above 5,000 feet
(1,500 meters), have your dealer perform
this carburetor modification. This engine,
when operated at high altitude with
the carburetor modifications for high
altitude use, will meet each emission
standard throughout its useful life.Even
with carburetor modification, engine
horsepower will decrease about 3.5%
for each 1,000-foot (300-meter) increase
in altitude. The effect of altitude on
horsepower will be greater than this if
no carburetor modification is made.
NOTE:When the carburetor has been
modified for high altitude operation,
the air/fuel mixture will be too lean for
low altitude use. Operation at altitudes
below 5,000 feet (1,500 meters) with
a modified carburetor may cause
the engine to overheat and result in
serious engine damage. For use at low
altitudes, have your servicing dealer
return the carburetor to original factory
specifications.
Operation
RECOIL START
NOTE: Read Operator’s Manual carefully
before operating this unit. Always
make sure the unit is level and properly
grounded. Check engine oil before
starting.
1. Open fuel valve on unit or engine.
(See Below)
2. Turn the idle control switch to the OFF
position.
3. Move choke lever to full choke. If re-
starting a warm engine, the choke
should be left in the off position.
(See Below)
4. Turn the engine ignition switch to the
ON position.
5. Pull recoil to start engine.
6. Once engine has started, slowly
move choke lever to no choke.
NOTE: When engine fails to start after
several attempts, repeat the starting
procedures mentioned above with the
choke lever in the off position.
7. Allow the unit to run for two (2)
minute warm-up.
8. Make sure the generator is
grounded. See Preparing the
Generator; Grounding Instructions.
9. Turn main breaker to ON position
(GEN-6000 units only).
10. Test the GFCI receptacle(s) on the
unit. Push the test button. The
reset button should pop out and
there should be no power at the
receptacle. Apply a test load or lamp
to each receptacle to verify. IF THE
RESET BUTTON DOES NOT POP OUT,
DO NOT USE THE RECEPTACLES(S).
SEE DEALER FOR SERVICE
IMMEDIATELY.