Shindaiwa T235 Owner's/operator's Manual
T235 TRIMMER
SHINDAIWA OWNER’S/OPERATOR’S MANUAL
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.
X7722277101
06/13
2
The Shindaiwa series of hand-held power equipment is 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-perfor
mance 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!
Introduction
Throughout this manual are special “attention statements”.
Attention Statements
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
prevent mechanical damage.
IMPORTANT!
A statement preceded by the word “IMPORTANT” is
one that possesses special signicance.
NOTE:
A statement preceded by the word “NOTE” contains information that is handy to know and may make your job
easier.
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.
ECHO, Inc. reserves the right to make changes to products without prior notice, and without obligation to make alterations to
units previously manufactured.
IMPORTANT!
The information contained in these instructions describes units available at the time of publication.
Contents
PAGE PAGE
IMPORTANT!
The operational procedures described in this manual are intended to help you get the most from this 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 hand-held power
equipment, or if you do not understand something in this manual, contact Shindaiwa at the address printed on the back of this
Manual.
WARNING!
The engine exhaust from this product contains chemicals known to the State of California to cause cancer,
birth defects, or other reproductive harm.
Safety ................................................... 3
Product Description .............................. 5
Specications ....................................... 6
Emission Control .................................. 6
Assembly .............................................. 6
Mixing fuel ............................................ 8
Filling the fuel tank................................ 9
Starting the Engine ............................ 10
Stopping the Engine ............................11
Checking Unit Condition ..................... 12
Operation ............................................ 12
Maintenance ....................................... 13
Long Term Storage ............................. 19
Troubleshooting Guide ....................... 20
Warranty ............................................ 23
3
Warning and Operational Labels
Read and follow this operator's
manual. Failure to do so could
result in serious injury..
Wear eye and hearing protection
at all times during operation of
this unit. Wear head protection
where there is a risk of falling
objects.
Beware of thrown or
richocheted objects
Make sure no one is within
15 M / 50 feet of an operating
machine.
50FEET
(15m
)
Work Safely
Trimmers and 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 this unit!
Stay Alert
You must be physically and mentally t to operate this unit
safely.
Safety
WARNING!
Never make unauthorized attachment
installations.
WARNING!
Never operate power equipment of
any kind if you are tired or if you are under
the inuence of alcohol, drugs, medication or any other
substance that could affect your ability or judgement.
WARNING!
Use Good Judgment
WARNING!
Moving parts can amputate ngers or cause
severe injuries. Keep hands, clothing and loose
objects away from all openings.
• ALWAYS stop engine, disconnect spark plug, and
make sure all moving parts have come to a complete stop before removing obstructions, clearing
debris, or servicing unit.
• DO NOT start or operate unit unless all guards and
protective covers are properly assembled to unit.
• NEVER reach into any opening while the engine is
running. Moving parts may not be visible through
openings.
ALWAYS inspect unit before each use. Replace any
damaged parts.
NEVER run the engine when transporting the unit.
NEVER run the engine indoors! Make sure there is
always good ventilation. Fumes from engine exhaust
can cause serious injury or death.
ALWAYS stop the unit immediately if it suddenly begins
to vibrate or shake. Inspect for broken, missing or
improperly installed parts or attachments.
NEVER extend trimming line beyond the length specied
for your unit.
ALWAYS keep the unit as clean as practical. Keep it free
of loose vegetation, mud, etc.
ALWAYS hold the unit rmly with both hands when cut-
ting or trimming, and maintain control at all times.
ALWAYS use the proper cutting tool for the job.
ALWAYS keep the handles clean
ALWAYS disconnect the spark plug wire before perform-
ing any maintenance work.
WARNING: Surface can be hot. Always wear gloves when handling
this unit.
Do not use blades.
String line only
WARNING!
The ignition components of this machine generate an electromagnetic eld during operation which may interfere
with some pacemakers. To reduce the risk of serious or fatal injury, persons with pacemakers should consult with their
physician and the pacemaker manufacturer before operating this machine. In the absence of such information, ECHO
does not recommend the use of ECHO products by anyone who has a pacemaker.
4
The Properly Equipped Operator
Always wear a harness when operating the unit .
It adds comfort and helps ensure safety by limiting
movement fore and aft. When the harness is
adjusted properly, the unit should balance with the
cutting attachment parallel to the ground.
Always operate with both hands
rmly gripping the unit.
Wear close-tting clothing to
protect legs and arms. Gloves
offer added protection and are
strongly recommended. Do not
wear clothing or jewelry that
could get caught in machinery
or underbrush. Secure long hair
so that it is above shoulder level.
NEVER wear shorts!
Wear hearing protection devices and a
broad-brimmed hat or helmet. A helmet
is required when using a blade-equipped
brushcutter to clear small trees.
Always wear eye protection such as
goggles or safety glasses to shield
against thrown objects.
Keep away from the rotating
trimmer line at all times, and
never lift a moving attachment
above waist-high.
Wear appropriate footwear (non-skid
boots or shoes): do not wear opentoed shoes or sandals. Never work
barefooted!
Keep a proper footing and do not
overreach. Maintain your balance at all
times during operation.
Always make sure the
appropriate cutting attachment
shield is correctly installed and
in good condition. Do not
operate the unit if the
cutting attachment shield
is missing, loose, or
broken.
Long-term exposure to vibration
can damage your hands.
Prolonged exposure to excessive noise
is fatiguing and could lead to impaired
hearing.
Safety Labels
READTHE
OPERATOR’SMANUAL
WEARHEARING AND ANSI Z 87. 1
APPROVEDEYE PROTECTION
KEEPBYSTANDERSAWAY
ATLEAST50 FEET(1 5m)
BEWAREOF THROWN OR
RICOCHETED OBJECTS
DON OTOPERATETHIS
MACHINE WITH A BLADE
50FEET
(15m)
19422-00028ShindaiwaInc.
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.
This label indicates the minimum distance between
front handle and rear grip per ANSI B175.3.
5
Be Aware of the Working Environment
Avoid long-term
operation in very hot
or very cold weather.
Make sure
bystanders
or observers
outside the
15 meter (50
feet) “danger
zone” wear eye
protection.
Be extremely careful
of slippery terrain,
especially during rainy
weather.
If contact is made with a hard object,
stop the engine and inspect the cutting
attachment for damage.
Be constantly alert for
objects and debris that
could be thrown either
from the rotating cutting
attachment or bounced
from a hard surface.
Reduce the risk of bystanders being
struck by ying debris. Make sure no
one is within 15 meters (50 feet)—
that’s about 16 paces of an operating
attachment. Stop immediately if a child,
pet, or person comes within a 15 meter
(50 feet)radius. Outside this radius,
there is still a risk of injury from thrown
objects.
ALWAYS clear your work area of trash
or hidden debris that could be thrown
back at you or toward a bystander.
When operating in rocky terrain or
near electric wires or fences, use
extreme caution to avoid contacting
such items with the cutting attachment.
Do not operate the unit
if the cutting attachment
shield is missing, loose,
or broken.
15 METERS (50
FEET)
Always make sure
the appropriate
cutting attachment
shield is correctly
installed.
Product Description
Using the illustration as a guide, familiarize yourself with your machine and its various components. Understanding your machine helps ensure
top performance, long service life and safer
operation.
Handle
Spark plug
Outer Tube
Trimmer Head
Cutting Attachment
Shield
Gearcase
Throttle
Trigger
Ignition
Switch
Fuel
Tank
Grip
Throttle
Interlock
6
Specications
Engine Name T235
Engine Type 2-cycle, vertical cylinder, air cooled
Dry Weight (Without cutting attachment) 5.1 kg/12.1 lb.
Bore x Stroke 32.2 x 26.0 mm (1.27 x 1.02 in.)
Displacement 21.2 cc (1.29 cu. in.)
Fuel/Oil Ratio 50:1 with *ISO-L-EGD or JASO FD class engine oil
Fuel Tank Capacity .44 L (14.9 oz.)
Carburetor Type Diaphragm-type carburetor
Ignition Flywheel magneto, capacitor discharge
Spark Plug** NGK BPM8Y
Spark Plug Gap 0.6 mm (0.024 in)
Torque 16.7 - 18.6 N∙m (148-165 in • lbf)
Air Cleaner Type Foam pre-lter; sealed felt main lter
Starting Method Recoil
Stopping Method Slide switch
Transmission Type Automatic, centrifugal clutch w/bevel gear
Engine Idle Speed 2,750 RPM
Clutch Engagement Speed 3,850 RPM
Wide Open Throttle Speed (W.O.T.) 8,150 RPM
Specications are subject to change without notice.
Assembly
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.
An Emission Control Label is located on the engine. (This is an EXAMPLE ONLY; information on label varies by engine
FAMILY).
PRODUCT EMISSION DURABILITY (EMISSION COMPLIANCE PERIOD)
The 50 or 300 hour emission compliance period is the time span selected by the manufacturer certifying the engine emissions output meets applicable emissions regulations, provided that approved maintenance procedures are followed as
listed in the Maintenance Section of this manual.
Emission Control (Exhaust & Evaporative)
EPA 2010 and Later and/or C.A.R.B. TIER III
The emission control system for the engine is EM (engine modification) and, if the second to last character of the Engine Family on the Emission Control Information label (sample below) is “C”, “K”, or “T”, the emission control system is EM and TWC
(3-way catalyst). The fuel tank/fuel line emission control system is EVAP (evaporative emissions). Evaporative emissions for
California models are only applicable to fuel tanks.
■ Operator’s Manual
■ Emission Control Warranty Statement
■ Safety Glasses
Contents
This unit is factory pre-assembled. Assembly tools are not supplied with this unit.
7
NOTE:
The plastic shield is for use with the Nylon Line Head only. Install Metal
Shield when using plastic or metal blades.
1. Remove plastic threaded shaft sleeve and adapter plate (C) from PTO
shaft (A).
2. Place the shield on the bottom of the bearing housing ange.
3. Place shield plate (B) on shield, align holes. Install three (3) screws from
bottom through plate and shield into gear case.
4. Assemble adapter plate (C) onto PTO shaft.
A
A
C
IMPORTANT!
Semi-automatic nylon line heads must be used only with plastic debris shield
with cut-off knife. Using nylon line heads with metal debris shield can result
in trimmer damage, caused by operation with excessive line length.
D
To advance trimmer line
NOTE:
To advance trimmer line, tap trimmer head against the ground while the head
is turning at normal operating speed.
Nylon line replacement
See Maintenance Section for Loading Trimmer Line.
Remove nylon line head
NOTE:
Do not disassemble nylon line head.
1. Align locking hole in upper plate with notch in edge of gear housing and
insert head locking tool (D).
2. Remove line head (E) by turning it clockwise until head is completely off
of shaft.
3. Remove locking tool (D).
C
B
D
E
Cutting attachment shield
CAUTION
Wear Gloves or personal injury may result:
• Cutoff knife is sharp.
• Gearcase and surrounding area may be hot.
WARNING!
A standard grass trimmer with a loop handle should NEVER be operated with blade-type attachments. For
blade use, the trimmer must be tted with a bicycle-type handlebar or a barrier bar that is located in front of the operator to reduce the risk of the operator from coming in contact with the cutting attachment (per ANSI B175.3). When
using a blade, the unit must also be equipped with a harness or strap.
Install trimmer head
NOTE:
Use the 4 mm hexagonal wrench as a gear housing locking tool.
1. Be sure adapter plate (C) remains on PTO shaft (A).
2. Align locking hole in upper plate with notch in edge of gear housing and
insert head locking tool (D).
3. Thread line head (E) onto shaft by turning it counter-clockwise until head
is tight against adapter plate (C).
4. Remove locking tool (D).
8
Front handle installation
NOTE:
Label shows minimum spacing for front handle location.
1. Position front handle for comfortable operation and tighten screw.
Handle Position Label
Outer Tube
Handle
Screw
WARNING!
Alternative fuels, such as E15 (15% ethanol), E-85 (85% ethanol) or any fuels not meeting Shindaiwa
requirements are NOT approved for use in Shindaiwa gasoline engines. Use of alternative fuels may cause
performance problems, loss of power, overheating, fuel vapor lock, and unintended machine operation, including,
but not limited to, improper clutch engagement. Alternative fuels may also cause premature deterioration of fuel
lines, gaskets, carburetors and other engine components.
Fuel Requirements
Gasoline - Use 89 Octane [R+M/2] (mid grade or higher) gasoline known to be good quality. Gasoline may contain
up to 10% Ethanol (grain alcohol) or 15% MTBE (methyl tertiary-butyl ether). Gasoline containing methanol (wood
alcohol) is NOT approved.
2 Stroke Mixture Oil - A 2-stroke engine oil meeting ISO-L-EGD (ISO/CD 13738) and J.A.S.O. M345/FD standards
must be used. Shindaiwa OneTM 2-Stroke Oil is strongly recommended as it meets this standard and is specically
formulated for use in all Shindaiwa 2-stroke engines. Engine problems due to inadequate lubrication caused by fail-
ure to use an ISO-L-EGD (ISO/CD 13738) and J.A.S.O. M345/FD certied oil will void the engine warranty.
Mixing Fuel
For increased engine protection, Shindaiwa recommends using Shindaiwa Red ArmorTM engine oil to protect the
engine from harmful carbon build up, maintain engine performance, and increase engine life. Shindaiwa Red
ArmorTM engine oil exceeds ISO-L-EGD and J.A.S.O. M345/FD performance requirements.
IMPORTANT!
Shindaiwa One
TM
2-Stroke oil or Red ArmorTM engine oil may be mixed at
50:1 ratio for application in all Shindaiwa engines sold in the past, regardless
of ratio specied in those manuals.
Examples of 50:1 mixing
quantities
IMPORTANT!
Stored fuel ages. Do not mix more fuel than you expect to use in thirty (30)
days, ninety (90) days when a fuel stabilizer is added. Use of unmixed,
improperly mixed, or stale fuel, may cause hard starting, poor performance,
or severe engine damage and void the product warranty. Read and follow
instructions in the Long Term Storage section of this manual.
9
Handling Fuel
DANGER
Fuel is VERY ammable. Use extreme care when mixing, storing or handling or serious personal injury
may result.
• Use an approved fuel container.
• DO NOT smoke near fuel.
• DO NOT allow ames or sparks near fuel.
• Fuel tanks/cans may be under pressure. Always loosen fuel caps slowly allowing pressure to equalize.
• NEVER refuel a unit when the engine is HOT or RUNNING!
• DO NOT ll fuel tanks indoors. ALWAYS ll fuel tanks outdoors over bare ground.
• DO NOT overll fuel tank. Wipe up spills immediately.
• Securely tighten fuel tank cap and close fuel container after refueling.
• Inspect for fuel leakage. If fuel leakage is found, do not start or operate unit until leakage is repaired.
• Move at least 3m (10 ft.) from refueling location before starting the engine.
Storage - Fuel storage laws vary by locality. Contact
your local government for the laws affecting your area.
As a precaution, store fuel in an approved, airtight container. Store in a well-ventilated, unoccupied building,
away from sparks and ames.
IMPORTANT!
Stored fuel may separate. ALWAYS shake fuel container
thoroughly before each use.
Mixing Instructions
1. Fill an approved fuel container with half of the required
amount of gasoline.
2. Add the proper amount of engine oil to gasoline.
3. Close container and shake to mix oil with gasoline.
4. Add remaining gasoline, close fuel container, and
remix.
IMPORTANT!
Spilled fuel is a leading cause of hydrocarbon emissions.
Some states may require the use of automatic fuel shutoff containers to reduce fuel spillage.
After use
• DO NOT store a unit with fuel in its tank. Leaks can
occur. Return unused fuel to an approved fuel storage
container.
Filling the fuel tank
WARNING!
Minimize the Risk of Fire
■ NEVER smoke or light res near the engine.
■ ALWAYS stop the engine and allow it to cool before
refueling.
■ ALWAYS Wipe all spilled fuel and move at least 3
meters (10 feet) from the fueling point and source before
starting.
■ NEVER place ammable material close to the engine
mufer.
■ NEVER operate the engine without the mufer and spark
arrester screen in place and in good working condition.
■ FUEL IS HIGHLY FLAMMABLE.
■ ALWAYS store gasoline in a container approved for
ammable liquids.
■ ALWAYS inspect the unit for fuel leaks before each
use. During each rell, 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.
■ ALWAYS move the unit at least 3 meters (10 feet)
away from a fuel storage area or other readily am-
mable materials before starting
the engine.
1. Place the unit on a at, level surface.
2. Clear any dirt or other debris from around the fuel ller
cap.
3. Remove the fuel cap, and ll the tank with clean, fresh
fuel.
4. Reinstall the fuel ller cap and tighten rmly.
5. Wipe away any spilled fuel before starting engine.
CAUTION!
Slowly remove the fuel cap only after stopping the
engine
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