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Shindaiwa P231 Operator`s manual
SHINDAIWA OWNER’S/
OPERATOR'S MANUAL
P231 POLE PRUNER
Shindaiwa Inc.
P.O. Box 2810
Tualatin, Oregon 97062
Telephone: 503 692-3070
FAX:
503 692-6696
www.shindaiwa.com
Shindaiwa Kogyo Co., Ltd.
Head Office: 6-2-11 Ozuka
Nishi, Asaminami-ku
Hiroshima, 731-3167, Japan
Telephone: 81-82-849-2220
FAX:
81-82-849-2481
WARNING!
Minimize the risk of injury to
yourself and others! Read this
manual and familiarize yourself
with the contents. Always wear
eye and hearing protection
when operating this unit.
䊚2002 Shindaiwa, Inc.
Part Number 63888-94010
Printed in Japan
Rev. 2/02
Specifications subject to change without notice.
Part Number 63888-94010
Rev. 2/02
Introduction
Contents
PAGE
The Shindaiwa P231 Pole Pruner is
designed and built to deliver superior
performance and reliability without
compromise to quality, comfort, safety
or durability.
Shindaiwa’s high-performance
engines represent the leading edge of
2-cycle engine technology, 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 these
instructions describes units available
at the time of publication. While every
attempt has been made to provide the
latest information about your
Shindaiwa product, there may be
some differences between your P231
and what is described here. Shindaiwa
Inc. reserves the right to make
changes to products without prior
notice and without obligation to make
alterations to units previously manufactured.
The 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 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 on the back
of this Manual.
2
Introduction ......................................... 2
Attention Statements ........................... 3
Safety Precautions ............................... 3
Operating the Pruner .......................... 5
Safety Equipment and Labels ............ 6
Operating Precautions ........................ 7
Specifications ....................................... 9
Product Description .......................... 10
Assembly ............................................ 11
Installing Bar and Chain ................... 15
Adjusting the Chain .......................... 16
Filling the Chain Oiler ...................... 17
Engine Fuel ........................................ 18
Starting the Engine ........................... 19
Stopping the Engine .......................... 21
Adjusting Engine Idle ....................... 21
Maintenance ...................................... 22
Long Term Storage ........................... 27
Chain Sharpening .............................. 28
Troubleshooting Guide .................... 30
Emission System Warranty .............. 34
Owners Warranty
Responsibilities
As the small off-road engine owner,
you are responsible for the performance of the required maintenance
listed in this owners manual.
Shindaiwa Kogyo Co., Ltd. recommends that you retain all receipts
covering maintenance on your small
off-road engine, but Shindaiwa Kogyo
Co., Ltd. cannot deny warranty solely
for the lack of receipts or for your
failure to ensure the performance of
all scheduled maintenance.
As the small off-road engine owner,
you should be aware, however, that
Shindaiwa Kogyo Co., Ltd. may deny
you warranty coverage if your small
off-road engine or a part has failed due
to abuse, neglect, improper maintenance, or unapproved modifications.
You are responsible for presenting
your small off-road engine to an
authorized Shindaiwa Dealer as soon
as a problem exists. The warranty
repairs should be completed in a
reasonable amount of time, not to
exceed 30 days.
If you have any questions regarding
your warranty rights and responsibilities, you should contact a Shindaiwa
customer service representative at
(503) 692-3070 or your local Shindaiwa
Dealer.
Consequential Damages
In the event that other component
parts of this product are damaged by
the failure of a warranted part,
Shindaiwa Kogyo Co., Ltd. will repair
or replace such component parts at no
charge to you.
What is Not Covered
■ Failures caused by abuse, neglect,
or improper maintenance
procedures.
■ Failures caused by the use of
modified or non-approved parts or
attachments.
This Warranty is Administered by:
Shindaiwa Inc.
11975 S.W. Herman Rd.
Tualatin, OR 97062
(503) 692-3070
35
Attention Statements
Your Warranty Rights and
Obligations
Throughout this manual are special
attention statements.
The California Air Resources Board, the
U.S. Environmental Protection Agency
and Shindaiwa Kogyo Co., Ltd. are
pleased to explain the emission control
system warranty on your new small offroad (non-road) engine.
In California, new small off-road
engines must be designed, built, and
equipped to meet the State’s stringent
anti-smog standards. In other states,
new 1997 and later non-road engines
must meet the Federal EPA’s stringent anti-smog standards. Shindaiwa
Kogyo Co., Ltd. must warrant the
emission control system on your small
off-road engine for the periods of time
listed below, provided there has been
no abuse, neglect, or improper
maintenance of your small off-road
engine.
Your engine emission control
system includes parts such as the
carburetor, the ignition system and, if
equipped, the catalytic converter.
These components are specifically
listed below.
Where a warrantable condition
exists, Shindaiwa Kogyo Co., Ltd. will
repair your small off-road engine at no
cost to you including diagnosis, parts,
and labor.
34
Manufacturer’s Warranty
Coverage
When sold within the U.S., this
engine’s emission control system is
warranted for a period of two (2) years
from the date this product is first
delivered to the original retail purchaser.
During the warranty period,
Shindaiwa Kogyo Co., Ltd. will, at
their option, repair or replace any
defective emission-related component
on this engine. During the original
Warranty Period, these Warranty
Rights are automatically transferable
to subsequent owners of this product.
What is Covered by this
Warranty
1. Carburetor Internal Components
■ Throttle Valve, Needle, Jet,
Metering Diaphragm
2. Ignition System Components
■ Ignition Coil
■ Flywheel Rotor
3. Catalytic Converter (if originally
equipped)
The emission control system for
your particular Shindaiwa engine may
also include certain related hoses and
connectors.
DANGER!
A statement preceded by the
triangular attention symbol and
the word “DANGER” contains
information that should be acted
upon to prevent serious injury
or death.
WARNING!
A statement preceded by the
triangular attention symbol and the
word “WARNING” contains information that should be acted upon to
prevent serious bodily injury.
CAUTION!
A statement preceded by the word
“CAUTION” contains information
that should be acted upon to avoid
damage to the unit.
IMPORTANT!
A statement preceded by the word
“IMPORTANT” is one that possesses
special significance.
Safety Precautions
SAFETY
Emission System Warranty Statement
WARNING!
THE PRUNER IS NOT INSULATED
AGAINST ELECTRICAL SHOCK!
Approaching or contacting electrical line with the pruner could
cause death or serious injury.
Keep the pruner at least 33 feet
(10 meters) away from electrical
lines or branches that contact
electrical lines.
WARNING!
The engine exhaust from this
product contains chemicals known
to the State of California to cause
cancer, birth defects or other
reproductive harm.
A pole pruner operates at very high
speeds and has the potential to do
serious damage if misused, abused or
mishandled. To reduce the risk of
injury, you must maintain control at all
times, and observe all safety precautions during operation. Never permit
a person without training or
instruction to operate this pruner!
NOTE:
A statement preceded by the word
“NOTE” contains information that is
handy to know and may make your
job easier.
3
SAFETY
Read and follow this
operators manual.
Failure to do so could
result in serious injury.
60°
Max.
Always wear a hard hat
to reduce the risk of head
injuries during operation
of this unit. Wear eye
and hearing protection
at all times during the
operation of this unit.
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.
Wear nonslip heavy-duty
work gloves to improve
your grip on the pole
pruner handle. Wear
sturdy footwear with
nonslip soles to provide
good footing. Steel-toed
safety boots are
recommended. Wear
snug-fitting clothes
that also permit freedom
of movement.
50ft
15M
Never operate the pruner at
an angle greater than 60O in
order to reduce the risk of
being struck by falling
objects during operation.
Beware of kickback!
Kickback can occur
whenever the tip of the
guide bar touches an
object while the saw is
operating. Kickback may
force the bar up and back
toward the operator!
Troubleshooting Guide (continued)
ADDITIONAL PROBLEMS
Symptom
Excessive
vibration.
Cutter will not
rotate.
Possible Cause
Remedy
Warped or damaged
attachment.
Inspect and replace
attachment as required.
Loose gearcase.
Tighten gearcase securely.
Bent main shaft/worn or
damaged bushings.
Inspect and replace
as necessary.
Shaft not installed
in powerhead or
gearcase.
Inspect and reinstall
as required.
Broken shaft.
Consult with an authorized
servicing dealer.
Damaged gearcase.
Consult with an authorized
servicing dealer.
Beware of pinching.
Pinching the saw along the
tip of the guide bar may
force the bar back rapidly
toward the operator.
Pinching can occur
whenever wood closes in
around the moving chain.
Keep bystanders at least
50 feet (15 meters) away
from the operating pruner
to reduce the risk of being
struck by falling objects or
thrown debris.
Kickback and Pinching Safety Precautions
WARNING!
Both kickback and pinching may
cause you to lose control of the pole
pruner which could result in serious
personal injury. Do not rely exclusively on the safety device built
into the pruner! You must take
several steps to keep your jobs free
from accident or injury:
1. Understand kickback and
pinching! You can reduce or
eliminate the element of
surprise. Sudden surprise
contributes to accidents.
4
3. Make sure the area in which
you are cutting is free from
obstructions. Do not let the
nose of the guide bar contact
a log, branch, or any other
obstructions which could be
hit while you operate the pole
pruner.
4. Cut at high engine speeds.
5. Follow the manufacturer’s
instructions for sharpening
and maintaining the chain.
6. Use only the replacement bar
and chain or equivalent as
specified by the manufacturer.
33
TROUBLESHOOTING
2. Keep a firm grip on the pole
pruner with both hands whenever the engine is running. A
firm grip will help you reduce
the effects of kickback and
pinching as well as maintaining control of the unit.
Troubleshooting Guide (continued)
Operating the Pruner
Poor
acceleration.
Engine stops
abruptly.
Possible Cause
Remedy
Clogged air cleaner
element.
Clean the air cleaner
element.
Clogged fuel filter.
Replace the fuel filter.
Carburetor mixture
too lean.
Consult with an authorized
servicing dealer.
Idle speed set too low.
Adjust: 2,750 (Ⳳ250) rpm (min-1)
Switch turned off.
Reset the switch and re-start.
Fuel tank empty.
Refuel.
Clogged fuel filter.
Replace filter.
Water in the fuel.
Drain and refill with fresh, clean
unleaded gasoline with a pump octane
of 87 or higher mixed with
a 2-cycle air cooled mixing oil that
meets or exceeds ISO-L-EGD
and/or JASO FC classified oils at
50:1 gasoline/oil ratio.
Shorted spark plug or
loose terminal.
Clean and replace spark plug,
tighten the terminal.
Ignition failure.
Consult with an authorized
servicing dealer.
Consult with an authorized
servicing dealer.
Piston seizure.
Engine difficult
to shut off.
TROUBLESHOOTING
Cutting
attachment
moves at
engine idle.
Always wear a hard hat
to reduce the risk of
head injuries during
operation of this unit.
P231_2
Ground (stop) wire is
disconnected, or switch
is defective.
Test and replace
as required.
Overheating due to
incorrect spark plug.
Replace the spark plug with a
Champion CJ8 or equivalent spark
plug of the correct heat range.
Adjust the spark plug electrode gap to
0.024-inch (0.6 mm).
Overheated engine.
Idle engine until cool. Refer to
page 20 (overheated engine).
Engine idle too high.
Set idle: 2,750 (Ⳳ250) rpm
Broken clutch spring or
worn clutch spring boss.
Replace spring/shoes as
required, check idle speed.
Wear nonslip heavyduty work gloves to
improve your grip on
the pole pruner handle.
Wear snug-fitting
clothes that also permit
freedom of movement.
NEVER wear shorts!
Wear sturdy footwear with
nonslip soles to provide
good footing. Steel-toed
safety boots are recommended. Never operate
unit bare-footed!
SAFETY
ADDITIONAL PROBLEMS
Symptom
Always wear eye and
hearing protection.
Shindaiwa recommends
wearing a face shield as
additional face and eye
protection.
Never operate the pruner
at an angle greater than
60° in order to reduce the
risk of being struck by
falling objects during
operation.
Always operate with
both hands firmly
gripping the unit.
Keep a proper footing
and do not overreach—
maintain your balance at
all times during operation.
Keep bystanders at least 50 feet (15
meters) away from the operating pruner
to reduce the risk of being struck by
falling objects or thrown debris.
Figure 1
(min-1)
Loose attachment holder. Inspect and re-tighten
holder securely.
32
5
Troubleshooting Guide (continued)
Safety Equipment and Labels
SAFETY
LOW POWER OUTPUT
What To Check
Is the engine
overheating?
Shaft Safety Label
Possible Cause
Remedy
Operator is overworking
the machine.
Shorten trimmer line. Cut at
a slower rate.
Carburetor mixture is
too lean.
Consult with an authorized
servicing dealer.
Improper fuel ratio.
Refill with fresh, clean unleaded
gasoline with a pump octane
of 87 or higher mixed with
a 2-cycle air cooled mixing oil that
meets or exceeds ISO-L-EGD
and/or JASO FC classified oils at
50:1 gasoline/oil ratio.
Fan, fan cover, cylinder
fins dirty or damaged.
High Voltage Label
Carbon deposits on the
piston or in the muffler.
Ignition
Switch
Throttle
Interlock
Engine is rough
at all speeds.
May also have
black smoke
and/or unburned
fuel at the
exhaust.
IMPORTANT!
Safety and Operation Information
Labels: Make sure all information
labels are undamaged and readable.
Immediately replace damaged or
missing information labels. New labels
are available from your local authorized Shindaiwa dealer.
Clean, repair or replace
as necessary.
Consult with an authorized
servicing dealer.
Clogged air cleaner
element.
Service the air cleaner.
Loose or damaged
spark plug.
Tighten or replace.
Replace the spark plug with a
Champion CJ8 or equivalent spark
plug of the correct heat range.
Adjust the spark plug electrode gap to
0.024-inch (0.6 mm).
Air leakage or clogged
fuel line.
Repair or replace fuel
filter and/or fuel line.
Water in the fuel.
Refill with fresh, clean unleaded
gasoline with a pump octane
of 87 or higher mixed with
a 2-cycle air cooled mixing oil that
meets or exceeds ISO-L-EGD
and/or JASO FC classified oils at
50:1 gasoline/oil ratio.
Piston seizure.
Faulty carburetor and/
or diaphragm.
Consult with an authorized
servicing dealer.
Consult with an authorized
servicing dealer.
Overheating condition.
See above.
Improper fuel.
Check fuel octane rating;
check for presence of
alcohol in the fuel (pg. 18).
Refuel as necessary.
Carbon deposits in the
combustion chamber.
Consult with an authorized
servicing dealer.
Figure 2
6
31
TROUBLESHOOTING
Engine is
knocking.
Operating Precautions
Troubleshooting Guide
What To Check
Possible Cause
Remedy
Faulty recoil starter.
Fluid in the crankcase.
Internal damage.
Consult with an authorized
servicing dealer.
NO
Loose spark plug.
Excess wear on
cylinder, piston, rings.
Tighten and re-test.
Consult with an authorized
servicing dealer.
NO
Fuel incorrect, stale, or
contaminated; mixture
incorrect.
Refill with fresh, clean unleaded
gasoline with a pump octane
of 87 or higher mixed with
a 2-cycle air cooled mixing oil that
meets or exceeds ISO-L-EGD
and/or JASO FC classified oils at
50:1 gasoline/oil ratio
NO
Check for clogged fuel
filter and/or vent.
Clean as required;
restart.
The ignition switch
is in “O” (OFF) position.
Shorted ignition ground.
Faulty ignition unit.
Move switch to “I” (ON)
position and re-start.
Consult with an authorized
servicing dealer.
If the plug is wet, excess
fuel may be in the
cylinder.
Crank the engine with the
plug removed, reinstall the
spark plug, and re-start.
The plug is fouled
or improperly gapped.
Clean and re-gap the spark plug
to 0.024 inch (0.6 mm). Re-start.
The plug is damaged
internally or of the
wrong size.
Replace the spark plug with a
Champion CJ8 or equivalent spark
plug of the correct heat range.
Adjust the spark plug electrode gap to
0.024-inch (0.6 mm).
Does the engine NO
crank?
YES
Good
compression?
YES
Does the tank
contain fresh
fuel of the
proper grade?
YES
Is fuel visible
and moving in
the return line
when priming?
YES
Is there spark at NO
the spark plug
wire terminal?
YES
TROUBLESHOOTING
Check the
spark plug.
WARNING!
Use Good Judgement
■ Make sure the chain and
sprocket are correctly adjusted
before operating the pruner
(see page 15 for adjustment
procedures). Never attempt
chain adjustment with the
engine running!
■ Always make sure the cutting
attachment is properly
installed and firmly tightened
before operation.
■ Never use a cracked or
warped guide bar: replace it
with a serviceable guide bar
and make sure it fits properly.
■ If a saw blade should bind fast
in a cut, shut off the engine
immediately. Push the branch
or tree to ease the bind and
free the blade.
■ Make sure there are no missing
or loose fasteners, and that the
ignition switch and throttle
controls are working properly.
■ Before starting the engine,
make sure the saw chain is
not contacting anything.
■ Make sure there is always
good ventilation when operating the pruner. Fumes from
engine exhaust can cause
serious injury or death. Never
run the engine indoors!
■ Do not operate the pole pruner
with the muffler removed.
■ When cutting a limb that is
under tension, be alert for
springback so that you will not
be struck by the moving limb.
■ Always stop the engine
immediately and check for
damage if you strike a foreign
object or if the unit becomes
tangled. Do not operate with
broken or damaged equipment.
■ Stop the unit immediately if it
suddenly begins to vibrate or
shake. Inspect for broken,
missing or improperly installed parts or attachments.
■ Never transport the pruner
nor set it down with the
engine running. An engine
that’s running could be
accidentally accelerated
causing the chain to rotate.
WARNING!
Minimize the Risk of Fire
■ NEVER smoke or light fires
near the unit.
■ ALWAYS stop the engine and
allow it to cool before refueling. Avoid overfilling and wipe
off any fuel that may
have spilled.
■ ALWAYS move the unit to a
place well away from a fuel
storage area or other readily
flammable materials before
starting the engine.
30
SAFETY
ENGINE DOES NOT START
■ 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
repaired before using the unit.
■ NEVER place flammable
material close to the engine
muffler.
■ NEVER run the engine without
the spark arrester screen in place.
7
Operating Precautions
Correct Filing Technique
SAFETY
Correct angle on
top plate
Slightly protruding hook or point
(curve on non-chisel chain)
Top of depth
gauge at correct
height below top
plate
A
A=B
B
0.020"
P231_46
Front of depth
gauge rounded
Keep all cutter lengths equal
P231_45
Filing Problems
Top plate angle
less than
recommended
P231_1
P231_47
Figure 3
20¡
CAUTION!
■ Always maintain the P231
pole pruner according to the
this owner’s manual and
follow the recommended
scheduled maintenance.
■ Never modify or disable any of
the pole pruner’s safety
devices.
8
Hook in side
plate cutting
edge
■ Always clear your work area of
trash or hidden debris to help
ensure good footing.
■ Keep the saw chain sharp and
properly adjusted.
P231_49
■ Keep the pruner as clean as
possible. Keep it free of loose
vegetation, mud, etc.
■ Do not make unauthorized
modifications or substitutions
to the guide bar or chain.
■ Make sure the scabbard is
in place when transporting the
pruner.
■ Never allow the engine to run
at high RPM without a load.
Doing so could damage the
engine.
■ When carrying by hand, the
chain should be pointing
backward. See Figure 3.
High depth
gauge
P231_51
Top plate angle
more than
recommended
Cause
File held too low or the
file was too small.
Result
Rough cutting. Chain
grabs. Cutters dull quickly
or won’t hold a cutting
edge.
Remedy
File cutters at recommended angle. Check file
size.
Backslope on
side plate
cutting edge
Cause
Depth gauge never filed.
Result
Slow cutting. Must force
chain to cut. Will cause
excessive wear on the
cutter heel.
Remedy
Lower gauges to
recommended setting.
Low depth
gauge
P231_48
50¡
P231_50
P231_52
Cause
File held at more than
recommended angle.
Result
Cutting angle is very
sharp but will dull fast.
Cutting action rough and
erratic.
Remedy
File cutters to
recommended angle.
Cause
File held too high or the
file was too large.
Result
Cutters won’t feed into
wood. Slow cutting. Must
force chain to cut. Causes
excessive bottom wear.
Remedy
File cutters at recommended angle. Check file
size.
Cause
Wrong gauge setting or
no gauge used.
Result
Rough cutting. Chain
grabs. Saw won’t pull
chain through wood.
Excessive wear on the
cutter heel.
Remedy
If depth gauges are too
low, the chain is no
longer serviceable.
29
MAINTENANCE
■ Always use genuine
Shindaiwa parts and accessories when repairing or maintaining this unit.
■ When transporting the pruner in
a vehicle, tie it down securely to
prevent damage and fuel
spillage.
Cause
File held at less than
recommended angle.
Result
Slow cutting. Requires
extra effort to cut.
Remedy
File cutters to recommended angle.
P231 Specifications
When the cutting edges of the
blade become dull, they can be resharpened with a few strokes of a file.
In order to keep the blade in
balance, all cutting edges must be
sharpened equally.
In addition, inspect the chain for
correct adjustment (more frequently
with a new chain). The chain should
feel snug but still pull freely. See
Figure 36. Refer to page 16 for
adjustment procedures.
Dry Weight ................... 6.1 kg/13.4 lb. Transmission Type .............. Automatic,
centrifugal clutch with bevel gear
Length w/10" bar
assembly .......... 2804 mm/110.4 in. Chain Guide Bar ................. 3/8" pitch,
.043" gauge, 10-inch Micro Lite™
Engine Type ............ 2-cycle, air-cooled,
Chain Type ..... 3/8" pitch Micro Lite™,
vertical-cylinder
.043" gauge
Bore x Stroke ... 32 x 28 mm/1.3 x 1.1 in.
Sprockets .............. 3/8-inch, fixed spur
Displacement ......... 22.5 cc/1.4 cu. in.
Gearcase Ratio ........................... 1.06 : 1
Maximum Output .......... 0.8kW/1.1 hp
Chain Speed .......... 23.5 m (77 ft.)/sec.
@ 7500 rpm (min-1)
@ 10,000 rpm (min-1)
Fuel/oil ratio ...... 50:1 with ISO-L-EGD Chain Lubrication ................. Automatic
or JASO FC class 2-cycle Mixing Oil
adjustable oiler
Shindaiwa ONE is a registered
JASO FC classified oil and also meets Chain Lubricant ... Shindaiwa Premium
Bar and Chain Oil
or exceeds ISO-L-EGD performance
requirements.
Standard Equipment ............ Bar/chain
scabbard, tool kit containing a
Fuel Tank Capacity .... 670 ml/22.7 oz.
spark plug wrench, 4 mm hex
Carburetor Type ....... Walbro WYL-122
wrench and 8 mm x 10 mm spanner
Sharpening Instructions (Fig.37)
IMPORTANT!
P231_41
Figure 36
Using a filing
gauge
File all cutters to the same angle and
depth! Unequal filing may cause the
saw to vibrate or cut erratically!
1. Using a 4.5 mm round file, sharpen
all cutters to a 30° angle. Make
sure that one fifth (20%) of the file’s
diameter is always held above the
cutter’s top plate.
MAINTENANCE
NOTE:
For consistent filing angles, use a
filing guide such as Oregon姞 p/n
31692 or equivalent.
2. After all cutters are sharpened, use
a depth gauge joiner (Oregon姞
p/n 106738 or equivalent) to
measure the height of each depth
gauge.
3. As required, lower the depth
gauges to a height of 0.020 inch.
Use a flat file; (Oregon姞 p/n 12211
or equivalent).
P231_42
Using a depth
gauge joiner
P231_43
Using a flat
file to round
the front
corner on a
depth gauge
Figure 37
Ignition .............. One-piece, electronic, Optional Equipment .... Shoulder strap,
transistor-controlled
loop handle
Spark Plug ..................... Champion CJ8 Optional Bars ............. 8-inch or 12-inch
P231_44
Air Filter .......... Non-reversible flocked EPA Emission
filter element
Compliance Period* ........... Category A
Muffler Type ............... 2-Stage Catalyst * The EPA emission compliance referred to
on the emission compliance label located on
Starting Method .......................... Recoil the engine, indicates the number of operating
hours for which the engine has been shown
Cooling System ..................... Forced air to meet Federal emission requirements.
Stopping Method ............... Slide switch Category C = 50 hours (Moderate), B = 125
hours (Intermediate) and A = 300 hours
(Extended).
Specifications are subject to change without notice.
4. After all depth gauges have been
adjusted, use a flat file to round
each depth gauge leading edge to
its original curvature and angle.
28
9
DESCRIPTION
Sharpening the Chain
Product Description
Long Term Storage
Bar and
Chain
Top Engine
Cover Screw
Air Filter
Assembly
DESCRIPTION
Spark
Plug
■ Clean external parts thoroughly
and apply a light coating of oil to all
metal surfaces.
CAUTION!
Gasoline stored in the carburetor
for extended periods can cause
hard starting, and could also lead
to increased service and maintenance costs.
■ Drain all the fuel from the fuel tank.
Upper
Tube
IMPORTANT!
P231_3
Recoil
Starter
Powerhead Assembly
Fuel Tank
Coupler
Gearcase
Whenever the unit will not be used for
30 days or longer, use the following
procedures to prepare it for storage:
Oil Filler
Cap
Handle
Grip
Lower
Tube
P231_5
Bar Oil Reservoir
Ignition
Switch
Guide Bar
and Chain
Cutting Head
Assembly
Figure 4
Prior To Assembly
■ Powerhead assembly
■ Lower tube assembly
■ Upper tube/saw assembly, chain
and guide bar
To remove the remaining fuel from
the fuel lines and carburetor and with
the fuel drained from the fuel tank.
■ Before storing the unit, repair or
replace any worn or damaged parts.
2. Start and run the engine until stops
running.
■ Remove the air cleaner element
from the carburetor and clean it
thoroughly with soap and water.
Let dry and reassemble the
element.
3. Repeat steps 1 and 2 until the
engine will no longer start.
■ Store the unit in a clean, dust-free
area.
1. Prime the primer bulb until no
more fuel is passing through.
Throttle Trigger
IMPORTANT!
The terms “left”, “left-hand”, and “LH”;
“right”, “right-hand”, and “RH”; “front”
and “rear” refer to directions as
viewed by the operator during normal
operation.
MAINTENANCE
Using Figure 4 as a guide, familiarize yourself with the Shindaiwa P231
pole pruner and its various components. Understanding your unit helps
ensure top performance, longer
service life, and safer operation.
Before assembling, make sure you
have all the components required for a
complete unit:
All stored fuels should be stabilized
with a fuel stabilizer such as
STA-BIL™ , if
oil with fuel
stabilizer is not used.
■ Remove the spark plug and pour
about 1/4 ounce of 2-cycle mixing
oil into the cylinder through the
spark plug hole. Slowly pull the
recoil starter 2 or 3 times so oil will
evenly coat the interior of the
engine. Reinstall the spark plug.
WARNING!
Do not make unauthorized
modifications or alterations to your
pruner or its components.
■ Kit with this manual and tool kit for
routine maintenance.
■ Scabbard.
Carefully inspect all components for
damage.
10
27
Assembly
135-hour Maintnenace
Driveshaft/Powerhead
5. Remove the rear muffler shield bolt
and, while noting the orientation of
parts, separate the muffler shield.
Every 135 hours of operation,
remove and clean the muffler.
Clamp Screw
Main
Shaft
6. Remove the spark arrester screen
and clean with a stiff bristle brush.
WARNING!
Outer Tube
7. Gently tap the muffler on a wood
surface to dislodge any loose
carbon.
8. Inspect the cylinder exhaust port
for carbon buildup.
IMPORTANT!
Ignition
Switch
Grip
If you note excessive carbon buildup,
consult your servicing dealer.
1. Remove the spark plug boot.
2. Loosen the two 4 mm engine cover
screws (located at the top of the
recoil housing).
Throttle Lever
Figure 5
Connect the Outer Tube to the Powerhead.
1. Place the powerhead on a clean, flat 4. Slide the outer tube into the tube
surface, spark plug facing up.
clamp until the tube bottoms. If
See Figure 5.
installation is difficult, rotate the
outer tube or gearcase shaft
Tube Clamp
slightly until you feel the mainshaft
splines engage with the powerhead.
See Figure 5.
4. Remove the two 5 mm muffler
screws. Remove the lower muffler
screw, then lift the muffler assembly from the engine.
Spark
Arrester
Screen
Forward
Muffler
Shield
5. Position the outer tube so that the
ignition switch is facing up and the
throttle lever is facing down. See
Figure 5.
Hex
Wrench
5 mm Muffler
Screws
MAINTENANCE
Tube
Clamp
9. Reassemble the muffler in the
reverse order of disassembly.
3. Loosen the 5 mm engine top cover
screw (the screw is captive) and lift
the cover from the engine.
Rear Muffler
Shield
Figure 6
Shim Washer
2. Use the 4 mm hex wrench to
loosen the tube clamp screw. Verify
that the D-shaped shim washer is
positioned as shown. See Figure 6.
CAUTION!
23139
Catalyst Muffler
ASSEMBLY
Never operate the unit with a
damaged or missing muffler or
spark arrester! Operating with
missing or damaged exhaust
components is a fire hazard and
could also damage your hearing.
Rear Muffler
Shield Bolt
Spark
Plug
Lower Muffler
Screw
Do not remove the D-shaped shim
washer! The shim washer prevents damage from overtightening
the tube clamp screw.
6. Slide the outer tube into the
powerhead until the throttle grip
just contacts the tube clamp.
7. Tighten the clamp screw firmly.
CAUTION!
Do not force the shaft tube into the
powerhead! Excessive force can
damage the shaft tube and
mainshaft.
Figure 35
3. Add some moly-type EP grease to
splines at the end of the main shaft.
26
11
Assembly
Throttle Linkage and Ignition Leads
50-hour Maintenance
Remove the Cylinder Cover.
Connect the Throttle Cable.
1. Remove the spark plug boot.
1. Loop the ribbed cable tube to the
top left side of the engine.
Every 50 hours of operation
(more frequently in dusty or
dirty conditions):
2. Install the black wire between the
two cable adjuster nuts as shown.
See Figure 8.
■ Remove and clean the cylinder
cover and clean dirt and debris
from the cylinder cooling fins.
2. Remove the two lower cylinder
cover screws.
ASSEMBLY
3. Loosen the top cylinder cover
screw until the cover is free of the
engine. (The top cylinder cover
screw is captive). Lift the cylinder
cover off of the engine.
See Figure 7.
■ Remove the sprocket cover and
inspect the sprocket for excessive
dirt, debris, or wear. Remove the
guide bar and clean out the guide
bar groove. If the sprocket is
excessively worn, replace it with a
new one. See Figure 32.
Ignition
Leads
Top
Cylinder
Cover
Screw
Hex
Wrench
Spark Plug
Boot
Inspect the
sprocket
Cable
Adjuster
23145
Figure 8
3. Connect the S-shaped end of the
throttle cable to the throttle lever
on top of the carburetor.
See Figure 9.
P231_37
Figure 32
■ Lubricate the gearcase. To
perform this operation, first remove
the gearcase from the upper outer
tube as follows (Figure 33):
23106
Lower Cylinder
Cover Screws
23146
Do not remove the D-shaped shim
washer from the gearcase clamp!
The shim washer prevents
damage from overtightening the
tube clamp screw.
Index
Bolt
Grease Fitting
P231_38
Figure 33
from the gearcase, this can be seen
in the outer tube cavity at the input
end of the gearcase. Clean up
excess grease, then reassemble the
gearcase onto the outer tube.
■ Use a hooked wire to extract the
fuel filter from inside the fuel tank
(Figure 34). Inspect the fuel filter
element for signs of contamination.
Replace it with a new one if required. Before reinstalling the
filter, inspect the fuel line. If you
find damage or deterioration,
remove the unit from service until
it can be inspected by a Shindaiwatrained service technician.
CAUTION!
Make sure you do not pierce the
fuel line with the end of the
hooked wire. The line is delicate
and can be damaged easily.
Figure 9
MAINTENANCE
CAUTION!
Figure 7
Gearcase Clamp
Hooked
Wire
• loosen the gearcase clamp bolt.
• remove the index bolt from the
gearcase.
• slide the gearcase out of the tube.
Using a lever-type grease gun,
pump lithium-base grease (about 10
grams) into the grease fitting until
you see old grease being purged
12
P231_39
Filter Element
Figure 34
25
Assembly
10-Hour Maintenance
10/15-Hour Maintenance
CAUTION!
CAUTION!
Do not operate the unit if the air
cleaner or element is damaged, or if
the element is wet.
Before removing the spark plug,
clean the area around the plug to
prevent dirt and debris from getting
into the engine’s internal parts.
Every 10 hours of operation,
(more frequently in dusty or
dirty conditions):
Unscrew
Fastener
Red Wire
Black Wire
Spark
Plug Boot
Every 10 to 15 hours
of operation:
Remove and clean the spark plug. See
Figure 31. Adjust the spark plug
electrode gap to 0.024-inch (0.6 mm).
If the plug must be replaced, use only:
Champion CJ8 or equivalent spark
plug of the correct heat range.
ASSEMBLY
Remove the air cleaner element from
the air cleaner housing and clean it
thoroughly with soap and water. Let it
dry before reinstalling the element.
See Figure 30.
Throttle Linkage and Ignition Leads
Clean the spark plug
and check the gap at
the electrode.
Figure 10
Ignition Ground
Lead
Black Wire
P231_35
Assemble and Adjust the Throttle Cable.
AH231_30
Remove and
clean the
element
1. Insert the throttle cable housing
3. Using finger pressure only, connect
into the notch on the fan cover, and
the black switch wire from the
clamp the black wire’s connector
cable tube to the red ignition wire
between the fan cover and the cable
on the powerhead. Wire routing
outer adjuster nut. See Figure 10.
must be as shown in the illustration
with the black wire located over the
2. Tighten the two throttle cable
spark plug wire. See Figure 10.
adjuster nuts.
MAINTENANCE
0.024 inch
(0.6 mm)
IMPORTANT!
Adjust and tighten the cable nuts to
allow approximately 1/4-inch freeplay
at the throttle trigger.
P231_36
Figure 30
Figure 31
24
4. Reinstall the cylinder cover and
tighten the three cover screws.
5. Reinstall the spark plug boot.
CAUTION!
Routing of wiring must not interfere with throttle operation.
13
Assembling the Tube Sections
1. Place the powerhead/lower tube
assembly and the upper tube
assembly on a clean, flat surface so
that both assemblies fit end to end.
The powerhead/lower tube
assembly should be facing up, and
the lower tube assembly should be
positioned with the locking hole in
the tube end facing up.
Daily Maintenance
4. When the two tube halves are
locked together, press down on the
spring-loaded latch protector and
tighten the coupler screw. See
Figure 12.
Latch Protector
(lowered)
Coupler
Prior to each work day, perform the
following:
Muffler
WARNING!
Operating the engine without a
muffler or with a muffler that is
damaged or improperly installed
can increase engine noise sufficiently to cause hearing loss.
■ Remove all dirt and debris from the
engine, check the cooling fins and
air cleaner for clogging, and clean
as necessary. See Figure 29.
Keep cooling
fins clean
ASSEMBLY
CAUTION!
Keep the open ends of the tubes
clean and free of debris!
2. Slip off the protective covers from
the ends of both tubes, and loosen
the coupler screw knob.
3. Insert the upper tube assembly into
the coupler, arrow on the upper
tube decal facing up, until the line
of the decal is flush with the end of
the coupler. Rock the upper tube
back and forth until you are sure
the latch snaps in place by the
coupler lock. See Figure 11.
Tube
Assembly
Latch Protector
(extended)
P231_13
Coupler Screw
Knob
This unit must never be operated with a
faulty or missing spark arrestor or
muffler. Make sure the muffler is well
secured and in good condition. A worn
or damaged muffler is a fire hazard and
may also cause hearing loss.
P231_33
Keep air
passages
clean
Spark Plug
Keep the spark plug and wire connections tight and clean.
Figure 12
Disassembling The Pole Sections
1. With the pole pruner on a clean, flat
surface, loosen the coupler screw.
The spring-loaded coupler protector should pop up.
2. Press down on the latch with your
finger or thumb. See Figure 13.
This releases the coupler lock.
Figure 29
■ Carefully remove any accumulations
of dirt or debris from the muffler and
fuel tank. Check cooling air intake
area at base of crankcase. Remove
all debris. Dirt build-up in these areas
can lead to engine overheating, fire,
or premature wear.
Latch
Locking
Hole
WARNING!
Press
Latch
P231_12
Coupler
Screw
Knob
■ Clean any debris or dirt from the
cutting attachment. Check the bar
and chain for damage or incorrect
adjustment.
Coupler
Tube
Assembly
P231_14
Figure 11
Figure 13
3. Pull the upper tube assembly out of
the coupler.
14
MAINTENANCE
Always wear gloves when working
around the cutter assembly.
■ Check for loose or missing screws or
components. Make sure the cutter
attachment is securely fastened.
■ Check the entire unit for leaking
fuel or grease.
■ Make sure nuts, bolts, and screws
(except carburetor idle speed
adjusting screws) are tight.
23
General Maintenance
Installing and Adjusting the Bar and Chain
IMPORTANT!
Installing The Chain
Guide Bar
Adjustment
Stud
WARNING!
Before performing any maintenance, repair, or cleaning work on
the unit, make sure the engine and
cutting attachment are completely
stopped. Disconnect the spark plug
wire before performing service or
maintenance work.
WARNING!
Non-standard accessories, cutting
attachment, or replacement parts
may not operate properly with your
unit and may cause damage and
lead to personal injury.
IMPORTANT!
Using non-standard replacement parts
could invalidate your
Shindaiwa warranty.
WARNING!
Never attempt to install, replace,
or adjust the chain with the engine
running.
Chain
Tensioning
Screw
Chain
Tensioning Pin
P231_16
Chain
Tensioner Hole
WARNING!
The saw chain is very sharp. Wear
gloves to protect your hands when
handling.
NOTE:
For longest chain life, let new or
replacement chain loops soak in oil
overnight before installation.
1. Using the small end of the plug
wrench, remove the sprocket cover
nut (turn counterclockwise to
remove) and remove the sprocket
cover. See Figure 14.
P231_17
Guide Bar
Figure 15
Guide Bar
Adjustment Stud
3. Install the chain loop over the drive
links within the guide bar groove,
and then align the chain over the
drive sprocket. Verify that the
cutters are properly oriented as
shown in Figure 16. If chain
installation is difficult or if the chain
appears too tight, refer to the
section “Adjusting the Chain” on
the next page.
4. Install the
sprocket cover
over the bar stud.
Using fingerpressure only,
P231_18
install the
sprocket cover
Figure 16
nut.
Top of Bar
BAR
TIP
MAINTENANCE
P231_15
Figure 14
Sprocket
Cover
Sprocket
Cover Nut
CAUTION!
Failure to align the guide bar and
chain tensioning pin can cause
serious damage to the sprocket
cover, guide bar, chain tensioning
pin and cutting head assembly.
Bottom of Bar
5. Refer to the next page for chain
adjusting procedures.
WARNING!
Never operate the pole pruner
without the sprocket cover installed.
2. Place the guide bar over the guide
bar adjustment stud on the cutting
head assembly. Align the chain
tensioning pin with the hole in the
guide bar. See Figure 15.
22
15
ASSEMBLY
MAINTENANCE, REPLACEMENT,
OR REPAIR OF EMISSION CONTROL DEVICES AND SYSTEM MAY
BE PERFORMED BY ANY REPAIR
ESTABLISHMENT OR INDIVIDUAL.
HOWEVER, WARRANTY REPAIRS
MUST BE PERFORMED BY A
DEALER OR SERVICE CENTER
AUTHORIZED BY SHINDAIWA
KOGYO, LTD. AND USE OF PARTS
THAT ARE NOT EQUIVALENT IN
PERFORMANCE AND DURABILITY
TO AUTHORIZED PARTS MAY
IMPAIR THE EFFECTIVENESS OF
THE EMISSION CONTROL SYSTEM
AND MAY HAVE A BEARING ON
THE OUTCOME OF THE WARRANTY CLAIM.
Stopping the Engine
Adjusting the Chain
WARNING!
3. Lift the nose of the guide bar while
turning the chain tensioning screw.
See Figure 18.
Idle Adjusting
Screw
Faster
Never attempt to install, replace,
or adjust the chain with the engine
running.
Slower
WARNING!
The saw chain is very sharp. Wear
gloves to protect your hands when
handling.
P231_20
Chain Tensioning
Screw
Figure 18
• clockwise to tighten the chain
A loose chain can jump off the
guide bar causing damage to the
chain and associated equipment.
Always make sure the chain is
properly adjusted; check more
often when you are breaking in a
new chain.
• counter clockwise to loosen the
chain.
4. Pull the chain by hand along the
top of the guide bar several times
from the engine to the bar’s tip.
The chain should feel snug but still
pull freely. See Figure 19.
IMPORTANT!
Proper chain adjustment is essential
for maximum performance, long chain
life, and operator safety. Always
inspect chain tension before operating
the pole pruner.
P231_21
1. Place the pole pruner on a clean,
flat surface. (For readjustment
Figure 19
during operation, shut down the
engine, then allow the guide bar
5. Tighten the sprocket cover nut
and chain to cool before proceeding
securely while lifting the tip of the
with the adjustment procedure).
guide bar.
2. Loosen the sprocket cover nut with 6. Inspect the chain for correct
a plug wrench (Figure 17).
adjustment (more frequently with a
new chain). The chain should feel
snug but still pull freely.
Figure 27
Idle the engine briefly before stopping
(about 2 minuts), then slide the
ignition switch to the “O” (engine
OFF) position. See Figure 27.
Figure 28
The engine must return to idle speed
whenever the throttle lever is released.
Idle speed is adjustable, and must be set
low enough to permit the engine clutch
to disengage the cutting attachment.
Check and Adjust Idle Speed
1. Start the engine and allow it to
warm up at low rpm.
2. If the cutting attachment rotates at
engine idle, reduce idle speed by
turning the idle adjusting screw
counter-clockwise. See Figure 28.
NOTE:
Standard idle speed is
2,750 (+/– 250) rpm (min-1).
WARNING!
The cutting attachment must
NEVER rotate at engine idle! If the
idle speed cannot be adjusted by
the procedures described here,
return the trimmer to your
Shindaiwa dealer for inspection.
IMPORTANT!
P231_19
Figure 17
16
Sprocket Cover Nut
Units with emission control systems
are equipped with factory preset
carburetor adjustments. Only idle
adjustment can be done in the field.
21
OPERATION
OPERATION
CAUTION!
Adjusting Engine Idle
Starting the Engine (continued)
Chain Oiler
Adjusting Oil Flow Rate
IMPORTANT!
WARNING!
The cutting attachment may rotate
when the engine is started!
5. When the engine starts, slowly
move the choke lever to the
"OPEN" position. See Figure 26.
(If the engine stops after the initial
start, close the choke and restart.)
If the engine fails to start after several
attempts with the choke in the closed
position, the engine may be flooded
with fuel. If flooding is suspected,
move the choke lever to the open
position and repeatedly pull the recoil
starter to remove excess fuel and start
the engine. If the engine still fails to
start, refer to the troubleshooting
section of this manual.
When the Engine Starts...
■ After the engine starts, allow the
engine to warm up at idle 2 or 3
minutes before operating the unit.
23122
Figure 26
WARNING!
Never start the engine from the
operating position.
■ Advancing the throttle makes the
cutting attachment turn faster;
releasing the throttle permits the
attachment to stop turning. If the
cutting attachment continues to
rotate when the engine returns to
idle, carburetor idle speed should
be adjusted (see the next page).
CAUTION!
Never fill the oil reservoir nor
adjust the oiler with the engine
running.
IMPORTANT!
The service life of the chain and guide
bar is affected by the quality of the
lubricant. Using superior lubricant such
as Shindaiwa Bar and Chain Oil will help
ensure a long service life, For cold
weather operation, mix bar and chain oil
with an equal part of kerosene.
Filling The Oil Reservoir
NOTE:
The oil reservoir has a capacity
sufficient to provide about 40 minutes
of cutting time (when set to deliver
the minimum flow rate, or about as
long as you’ll get from a tank of fuel).
1. Place the pole pruner on a clean,
flat surface with the oil filler cap
facing up. See Figure 20. Wipe off
any debris from the oil cap and
from around the oil filler neck.
An increase in bar oil flow rate will
speed oil consumption, requiring
more frequent checks on the oil
reservoir. To ensure sufficient
lubrication, it may be necessary to
check the oil level more frequently
than at fuel tank refills.
The guide bar and chain are lubricated automatically by a pump that
operates whenever the chain rotates.
The pump is set at the factory to
deliver a minimum flow rate, but it can
be adjusted in the field. A temporary
increase in oil flow is often desirable
when cutting materials such as
hardwood or wood with a lot of pitch.
Adjust the pump as follows:
1. Stop the engine and make sure the
stop switch is in the OFF position.
2. Place the unit on its side with the
oil reservoir up. See Figure 21.
Oil
Reservoir
P231_23
Oil Filler
Cap
Figure 21
Oil Flow
Adjusting Screw
CAUTION!
P231_22
Figure 20
2. Remove the oil filler cap and fill the
reservoir with bar and chain oil,
then replace the cap.
3. Wipe up spilled oil from the unit
before restarting the pole pruner.
The oil flow adjusting screw must
be pressed in slightly in order to
turn. Failure to do so could
damage the pump and screw.
3. With a screwdriver, push in on the
oil flow rate adjusting screw and
turn in the desired direction (there
are three incremental settings):
• clockwise–decrease lubrication.
• counter clockwise–increase
lubrication.
20
17
OPERATION
OPERATION
Open
WARNING!
Starting the Engine
Mixing Fuel
CAUTION!
Some types of gasoline contain
alcohol as an oxygenate. Oxygenated gasoline may cause increased operating temperatures.
Under certain conditions, alcoholbased gasoline may also reduce
the lubricating qualities of some 2cycle mixing oils. Never use any
type of gasoline containing more
than 10% alcohol by volume!
Generic oils and some outboard
oils may not be intended for use in
high-performance 2-cycle type
engines, and should never be
used in your Shindaiwa engine.
This engine is designed to operate
on a 50:1 mixture consisting of
unleaded gasoline and ISO-L-EGD
or JASO FC class 2-cycle mixing oil
only. Use of non-approved mixing
oils in catalyst equipped units can
lead to excessive carbon deposits.
■ Use only fresh, clean unleaded
gasoline with a pump octane of 87
or higher.
■ Mix all fuel with a 2-cycle
air-cooled mixing oil that meets
or exceeds ISO-L-EGD and/or
JASO FC classified oils at 50:1
gasoline/oil ratio.
Minimize the risk of fire!
■ Stop engine before refueling.
■ Always allow the pole pruner
to cool before refueling!
■ Wipe all spilled fuel and move
the pole pruner at least 10
feet (3 meters) from the
fueling point before restarting!
■ Never start or operate this unit
if there is a fuel leak!
■ Never start or operate this unit
if the carburetor, fuel lines,
fuel tank and/or fuel tank cap
are damaged.
■ Never smoke or light any fires
near the trimmer or fuel!
■ Never place any flammable
material near the engine
muffler!
■ Never operate the engine
without the muffler and spark
arrester in place and properly
functioning!
IMPORTANT!
23122
Figure 22
Figure 24
1. Slide the ignition switch to the “I”
position (engine ON).
3. Set the choke lever to the CLOSED
position if engine is cold.
Return Tube
Make sure the
cutting head
is clear of
obstructions!
1. Place the pole pruner on a flat,
level surface.
2. Clear any dirt or other debris from
around the fuel filler cap.
3. Remove the fuel cap, and fill
the fuel tank with clean, fresh
fuel mixture.
fuel cap.
Oil is a registered JASO FC
Mix only enough fuel for your immedi- classified oil and also meets or
exceeds ISO-L-EGD performance
ate needs! If fuel must be stored
longer than 30 days and
oil with requirements. Shindaiwa One is
recommended for use in all Shindaiwa
fuel stabilizer is not used, it should
low emissions egines. Shindaiwa one
first be treated with a fuel stabilizer
also includes a fuel stabilizer.
such as StaBil™.
18
Closed
Filling the Fuel Tank
Examples of 50:1 mixing quantities 4. Install and firmly tighten the
■ 1 gallon of gasoline to 2.6 oz. mixing oil
■ 5 litres of gasoline to 100 ml. mixing oil
Engine ignition is controled by a two position switch mounted on the throttle
housing labeled, "I" for ON or START and "O" for OFF or STOP.
Primer Bulb
Figure 23
2. Press the primer bulb until fuel can
be seen flowing in the transparent
return tube.
IMPORTANT!
The primer system only pushes fuel
through the carburetor. Repeatedly
pressing the primer bulb will not flood
the engine with fuel.
Figure 25
4. While holding the outer tube firmly
with one hand, slowly pull the
recoil starter handle until resistance is felt, then pull quickly to
start the engine.
CAUTION!
Do not pull the recoil starter to the
end of the rope travel. Pulling the
recoil starter to the end of the rope
travel can damage the starter.
19
OPERATION
OPERATION
CAUTION!
IMPORTANT!
WARNING!
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