Introduction
The Shindaiwa B450 has been designed
and built to deliver superior performance
and reliability without compromise to
quality, comfort, safety or durability.
Shindaiwa engines represent the leading
edge of high-performance engine technol-
ogy, delivering exceptionally high power
with remarkably low displacement and
weight. As an owner/operator, you'll soon
discover for yourself why Shindaiwa is
simply in a class by itself!
IMPORTANT!
The information contained in this
owner's/operator's manual describes
B450 Brushcutters available at the time
of publication.
Shindaiwa Inc. reserves the right to make
changes to products without prior notice,
and without obligation to make alterations
to units previously manufactured.
Contents
Mixing Fuel ................................................13
Maintenance ...............................................18
2
Attention Statements
Throughout this manual are special
"Attention Statements".
WARNING!
A statement preceded by the trian-
gular attention symbol and the word
"WARNING" contains information that
should be acted upon to prevent seri-
ous bodily injury.
CAUTION!
A statement preceded by the word
"CAUTION" contains information that
should be acted upon to prevent
mechanical damage.
IMPORTANT!
A statement preceded by the word
"IMPORTANT" is one that possesses
special significance.
NOTE:
PAGE
A statement preceded by the word "NOTE"
contains information that is handy to know
and may make your
job easier.
Read and follow this
operators manual.
Failure to do so could
result in serious injury.
Wear eye and hearing
protection at all times
during the operation
of this unit.
Keep bystanders
at least 50 feet (15 m)
away during operation.
Beware of thrown or
ricocheted objects.
Do not operate this unit
with a blade unless the
unit is equipped with a
Shindaiwa-approved handlebar.
Always wear a harness when
operating this unit with a blade.
a harness is also recommended
when using trimmer line.
Beware of blade thrust. A jammed
blade can cause the brushcutter
to jerk suddenly and may cause
the operator to lose control
of the unit.
IMPORTANT!
The operational procedures described
in this manual are intended to help you
get the most from your unit as well as
to protect you and others from harm.
These procedures are guidelines for safe
operation under most conditions, and are
not intended to replace any safety rules
and/or laws that may be in force in your
area. If you have questions regarding your
B450-series power tool, or if you do not
understand something in this manual, your
Shindaiwa dealer will be glad to assist
you. You may also contact Shindaiwa, Inc.
at the address printed in this Manual.
General Safety Instructions
Work Safely
Shindaiwa Brushcutters operate at very
high speeds and can do serious damage
or injury if they are misused or abused.
Never allow a person without training
or instruction to operate your B450
Brushcutter!
WARNING!
Never make unauthorized attachment
installations. Do not use attachments
not approved by Shindaiwa for use on
this unit.
Stay Alert
You must be physically and mentally fit to
operate this unit safely.
WARNING!
Never operate power
equipment of any kind if you are tired
or if you are under the influence of
alcohol, drugs, medication or any other
substance that could affect your ability
or judgement.
WARNING!
Minimize the Risk of Fire!
NEVER smoke or light fires near the
engine.
ALWAYS stop the engine and allow it
to cool before refueling. Avoid overfill-
ing and wipe off any fuel that may have
spilled.
ALWAYS inspect the unit for fuel leaks
before each use. During each refill,
check that no fuel leaks from around
the fuel cap and/or fuel tank. If fuel
leaks are evident, stop using the unit
immediately. Fuel leaks must be re-
paired before using the unit.
ALWAYS move the unit to a place well
away from a fuel storage area or other
readily flammable materials before
starting the engine.
NEVER place flammable material close
to the engine muffler.
NEVER run the engine without the
spark arrester screen in place.
WARNING!
The engine exhaust from this product
contains chemicals known to the State
of California to cause cancer, birth
defects or other reproductive harm.