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High altitude performance can be
improved by specific modifications to
the carburetor. If you always operate
your engine at altitudes above 1,524
meters (5,000 feet), have your authorized
service center perform a carburetor
modification.
Even with a carburetor modification,
engine horsepower will decrease about
3.5% for each 300 meter (1,000 feet)
increase in altitude. The effect of altitude
on horsepower will be greater than this
if no carburetor modification is made.
A decrease in engine horsepower will
decrease the power output of the
generator.
NOTE: When the carburetor has been
modified for high altitude operation,
the air-fuel mixture will be too lean for
low altitude use. If the generator is
used at low altitudes after a carburetor
modification, the carburetor may cause
the engine to overheat and result in
serious engine damage. For use at low
altitudes, have your authorized service
center return the carburetor to original
factory specifications.
HIGH AND LOW TEmpErATUrE
OpErATION
Air temperature affects generator
output. Output drops 1% for each 10ºF
temperature rise above 60º F. Very low
temperature may cause the engine to
be hard to start.
mAINTENANcE
ImpOrTANcE OF
mAINTENANcE
Good maintenance is essential for safe,
economical and trouble-free operation.
It will also help reduce air pollution.
Risk of unsafe operation.
Improper maintenance or failure to
correct a problem before operation
can cause malfunction, serious injury
or death. Always follow the inspection
and maintenance recommendation and
schedules in this manual.
The
following
pages
maintenance
schedule,
inspection procedures and simple
maintenance procedures using basic
hand tools to help you properly care
All manuals and user guides at all-guides.com
for your generator. If you are not
comfortable with any maintenance
procedure, contact a Customer Care
Center.
Maintenance, replacement or repair of
the emission control devices and system
may be performed by any engine repair
establishment or individual using parts
that are certified to EPA standards.
mAINTENANcE SAFETY
unit until you read and understand
this instruction manual and the engine
instruction manual for safety, operation
and maintenance instructions.
SAFETy pRECAUTIonS
operation. Make sure the engine is
off before beginning any maintenance
or repairs. This will eliminate several
potential hazards, including:
• carbon monoxide poisoning from
engine exhaust. Be sure there
is adequate ventilation whenever
you operate the engine.
• burns from hot parts. Let the
engine and exhaust system cool
before you touch it to prevent
burns.
• injury from moving parts. Wear
appropriate clothing, tie back
long hair, and stay alert around
the generator to prevent injury
from moving parts.
of fire or explosion, be careful when
working around gasoline. Use only a
nonflammable solvent, not gasoline, to
clean parts. Keep smoking products,
sparks and flames away from all fuel
related parts.
Read all instructions before beginning
and make sure you have the tools
and skills required. A PORTER-CABLE
factory service center or a PORTER-
CABLE authorized service center knows
include
a
your generator best and is fully equipped
routine
to do maintenance and repair. To ensure
the best quality and reliability, use only
new genuine parts or their equivalents
for repair or replacement.
20- ENG
Do not operate this
Risk
of
unsafe
To reduce the possibility
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