Operation
3
FUEL RECOMMENDATIONS
Use clean, unleaded gasoline having a
minimum octane rating (Anti-Knock index) of
87.
During some times of the year only mandated
“Oxygenated" gasolines may be available.
These are acceptable for use, but not -
preferable. Leaded gasoline may be used but
ill result in the extra maintenance required for
moving combustion chamber and spark plug
3posits. Do not use gasoline or gasoline
additives (de-icers) containing methanol
3cause methanol can be corrosive to fuel
system components.
CAUTION Do not use gasoline or
gasoline additives containing methanol
because methanol can be corrosive to fuel
system components.
Avoid using highly leaded gasolines and
!ead additives because of the extra engine
maintenance that will be required.
WARNING Gasoline is highly flammable
'1d can cause severe personal injury or
death. Do not smoke if you smell gasoline
or are near fuel tanks or gasoline-burning
equipment or are in an area sharing
ventilation with such equipment. Keep
flames, sparks, pilot lights, electrical arcs
and arc producing equipment and all
other sources of ignition away from
gasoline.
ENGINE OIL RECOMMENDATIONS
Use premium quality motor oil. Look for the
API (American Petroleum Institute)
classification and use Class SG or SH oil
(also SG/CD, SG/CE, SH/CD or SH/CE) Also
look for the SAE (Society of Automotive
Engineers) viscosity grade. Referring to
Table 1, choose the viscosity grade
appropriate for the ambient temperatures
expected during the period of the engine will
be operated.
Single-grade SAE-30 oil is preferable when
temperatures are consistently above freezing.
Multigrade oils are better when wide
temperatures variations are expected.
TABLE 1. OIL VISCOSITY VS.
TEMPERATURE
EXPECTED AMBIENT
TEMPERATURES
SAE
VISCOSITY
RATING
328 F (08C) and higher
30
108 F to 1008 F (-128 to 388 C)
15W-40
08 F to 808 F (-188 to 278 C)
10W-30
10W-40
-208 F to 508 F (-288 to 108 C)
5W-30
STARTING BATTERIES
An engine equipped with an electric starter
requires a 12 volt battery. Prompt starting
requires sufficient battery capacity and
battery cable size. Neither cranking
performance nor starter service life will be
satisfactory with an undersized battery.
Regular, monthly maintenance of batteries
may be required. See Periodic Maintenance
and any instructions available from the
equipment or battery manufacturer. It should
be noted that as long as the equipment is
operated regularly, the automatic battery
recharging system on the engine should be
able to maintain battery charge. See OUT-
OF- SERVICE PROTECTION under
Operation regarding battery care during
storage for prolonged periods.
EXHAUST SYSTEM
EXHAUST GAS IS DEADLY! Mobile engine-
powered equipment must never be operated
inside buildings or other enclosed spaces
without ample fresh air ventilation.
Stationary engine-powered equipment
installed inside buildings or other enclosed
spaces must be equipped with a leak-free
exhaust system that carries all exhaust gases
to the outside, well away from all windows,
doors, vents and other openings into the
building or enclosure.
It is the responsibility of the equipment
operator(s) to check for exhaust leaks on a
daily basis and to have all leaks repaired
before continuing to operate the equipment.
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