Shindaiwa DH235 Operator'S Manual Download

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X7702241803

Operator’s

Manual

DH235

Hedge Trimmer

The engine exhaust from this product contains chemicals
known to the State of California to cause cancer, birth defects, or
other reproductive harm.

Read and understand all provided literature before use.
Failure to do so could result in serious injury.

Note: This product complies with CAN ICES-2/NMB-2.

Summary of Contents for DH235

Page 1: ...exhaust from this product contains chemicals known to the State of California to cause cancer birth defects or other reproductive harm Read and understand all provided literature before use Failure to do so could result in serious injury Note This product complies with CAN ICES 2 NMB 2 ...

Page 2: ...uipment 12 Emission Control Exhaust Evaporative 13 CARB And EPA Emissions Control Information 13 Description 14 Contents 15 Assembly 16 Operation 16 Fuel 17 Starting Cold Engine 20 Starting Warm Engine 21 Stopping Engine 22 Rotating operation 23 Hedge Trimming 24 Maintenance 24 Skill Levels 25 Maintenance Intervals 25 Air Filter 27 Fuel Filter 27 Spark Plug 28 Cooling System 28 Exhaust System 30 C...

Page 3: ...embly specific to this product Scan QR codes for more information For additional literature including safety manuals where applicable or questions regarding terms used in this manual visit https www echo usa com manuals OR https www shindaiwa usa com manuals SERVICING INFORMATION Parts Serial Number Genuine SHINDAIWA Parts and Assemblies for your SHINDAIWA products are available only from an Autho...

Page 4: ... call the SHINDAIWA Consumer Product Support Department at 1 877 986 7783 from 8 00 am to 5 00 pm Central Standard Time Monday through Friday Before calling please know the model and serial number of your unit Product Registration To ensure trouble free warranty coverage it is important that you register your SHINDAIWA equipment on line at WWW SHINDAIWA USA COM or by filling out the product regist...

Page 5: ...al injury or death if not avoided The safety alert symbol accompanied by the word WARNING calls attention to an act or condition which CAN lead to serious personal injury or death if not avoided The safety alert symbol accompanied by the word CAUTION calls attention to an act or condition which may lead to minor or moderate personal injury if not avoided The enclosed message provides information n...

Page 6: ...t protection Use two handed DO NOT smoke near fuel Choke Control COLD START Position Choke Closed Ignition ON OFF Choke Control RUN Position Choke Open Do not operate without guards in place Carburetor Adjustment Low speed mixture Carburetor Adjustment High speed mixture Safety Alert Carburetor Adjustment Idle speed Avoid all power lines This unit is not insulated against electrical current Do not...

Page 7: ...catalytic muffler and surrounding cover may become extremely hot Always keep clear of exhaust and muffler area otherwise serious personal injury may occur Plan retreat path from falling objects Primer Bulb DO NOT allow flames or sparks near fuel Wear slip resistant footwear Keep bystanders at least 4 5 meters 15 ft away Symbol Description Symbol Description ...

Page 8: ...ace shield may be worn over safety glasses or goggles to provide protection from sharp branches or flying debris Hand Protection Wear sturdy no slip rubber work gloves to improve your grip on the handles Gloves also provide protection against cuts and scratches cold environments and reduce the transmission of machine vibration to your hands Hearing Ear Protection ECHO recommends wearing personal p...

Page 9: ...se operator fatigue which may lead to heat stroke Schedule heavy work for early morning or late afternoon hours when temperatures are cooler The components of this machine generate an electromagnetic field 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...

Page 10: ...s of feeling consult your physician before further exposing yourself to cold and vibration Repetitive Stress Injuries RSI It is believed that overusing the muscles and tendons of the fingers hands arms and shoulders may cause soreness swelling numbness weakness and extreme pain in those areas Certain repetitive hand activities may put you at a high risk for developing a Repetitive Stress Injury RS...

Page 11: ...ely ventilated areas Engine exhaust contains poisonous emissions and can cause serious injury or death Read the Manuals Provide all users of this equipment with the Operator s Manual for instructions on Safe Operation Clear the Work Area Spectators and fellow workers must be warned and children and animals prevented from coming nearer than 15 m 50 ft while the unit is in use Keep a Firm Grip Alway...

Page 12: ...ion Dull loose or damaged blades should not be used Moving parts can amputate fingers 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 co...

Page 13: ... line emission control system is EVAP evaporative emissions Evaporative emissions for California models are only applicable to fuel tanks and fuel feed lines 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 sele...

Page 14: ...our unit Make sure the decal s is legible and that you understand and follow the instructions on it If a decal cannot be read a new one can be ordered from your ECHO dealer Safety label is for example only Your label my appear slightly different 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 4 5m 15ft ...

Page 15: ...ed or missing parts Use the contents list to check for missing parts 1 Purge Bulb 2 Spark Plug 3 Choke 4 Stop Switch 5 Support Handle for Left Hand 6 Blade Cover 7 Guide Bar 8 Cutter 9 Fuel Tank Cap 10 Fuel Tank 11 Gear Case 12 Air Filter 13 Blade Guard 14 Recoil Starter Handle 15 Throttle Trigger Lock Out 16 Throttle Handle for Right Hand 17 Spark Arrestor Muffler Or Spark Arrestor Muffler With C...

Page 16: ...ust IS HOT and contains Carbon Monoxide CO a poison gas Breathing CO can cause unconsciousness serious injury or death Exhaust can cause serious burns ALWAYS position unit so that exhaust is directed away from your face and body Operation of this equipment may create sparks that can start fires around dry vegetation This unit is equipped with a spark arrestor to prevent discharge of hot particles ...

Page 17: ...ded to extend engine life in all air cooled 2 stroke and 2 4 stroke hybrid engines Two Stroke Oil A two stroke engine oil such as ECHO branded 2 stroke oils meeting ISO L EGD ISO CD 13738 and J A S O FD Standards must be used ECHO branded 2 stroke oils meet these standards Engine problems due to inadequate lubrication caused by failure to use an ISO L EGD ISO CD 13738 and J A S O M345 FD certified...

Page 18: ...n fuel caps slowly allowing pressure to equalize NEVER refuel a unit when the engine is HOT or RUNNING DO NOT fill fuel tanks indoors ALWAYS fill fuel tanks outdoors over bare ground DO NOT overfill 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...

Page 19: ...y 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 flames Empty the fuel tank prior to storing the unit Return unused fuel to an approved fuel storage container Stored fuel ages Do not mix more fuel than you expect to use in 30 days 90 days when a fuel stab...

Page 20: ... and storage Remove blade cover before using the unit 1 Stop Switch Move stop switch A away from the STOP position 2 Choke Move choke B to COLD START closed position 3 Purge Bulb Pump purge bulb C until fuel is visible and flows freely in the clear fuel tank return line Pump bulb an additional 4 or 5 times 4 Recoil Starter Lay the unit on a flat clear area Grip the support handle securely with one...

Page 21: ... carburetor according to Carburetor Adjustment instructions in this manual or see your ECHO Dealer 6 Throttle Trigger After engine warm up grip the throttle handle and support handle Depress the throttle trigger lockout E and gradually depress throttle trigger F to increaseengineRPMtooperating speed Starting Warm Engine The starting procedure is the same as Cold Start except DO NOT close the choke...

Page 22: ...ank return line Pump bulb an additional 4 or 5 times 3 Recoil Starter Place the unit on a flat clear area Grip the support handle securely with one hand and pull the recoil starter handle D until engine starts Note If engine does not start after 5 pulls use Cold Start Procedure Stopping Engine 1 Throttle Release throttle trigger F and allow engine to return to idle before shutting off engine A C B...

Page 23: ...ation This model is equipped with a roating throttle handle that can be turned 90 to either side of vertical operating position to help reduce operator fatigue and improve precision trimming Always stop the engine before rotating the handle Failure to do so could result in serious injury To operate 1 Fully release throttle trigger 2 Push handle release lever 3 Rotate the handle 90 in the desired d...

Page 24: ...lways wear gloves to protect hands 1 Always grip support handle with right hand and throttle handle with left hand 2 Hold trimmer firmly and squeeze throttle trigger to accelerate engine 3 Tilt trimmer so cutting teeth are angled slightly toward the hedge or shrub and proceed to cut Never remove hands from unit when blades are moving The engine continues running even when the blades have stopped d...

Page 25: ...is designed to provide many hours of trouble free service Regular scheduled maintenance will help your unit achieve that goal If you are unsure or are not equipped with the necessary tools we recommend that you take your unit to a Servicing Dealer for maintenance To help you decide whether you want to DO IT YOURSELF or have the Dealer do it each maintenance task has been graded If the task is not ...

Page 26: ... integrity Replacement is recommended based on the finding of damage or wear during inspection COMPONENT SYSTEM MAINTENANCE PROCEDURE REQUIRED SKILL LEVEL Daily or Before Use Air Filter Inspect Clean 1 Choke Shutter Fuel System Inspect 3 Cooling System Inspect Clean 2 Recoil Starter Rope Inspect Clean 1 Screws Nuts Bolts Inspect Tighten Replace Blades Inspect Clean 2 Every Refuel Fuel System Inspe...

Page 27: ...Lightly brush debris from filter Soak heavily soiled filters in water detergent solution to loosen dirt then brush lightly Rinse with clean water and allow to dry completely before reuse 4 Install air filter in air filter case 5 Install air filter cover Fuel Filter Level 1 Fuel is VERY flammable Use extreme care when mixing storing or handling or serious personal injury may result 1 Use a clean ra...

Page 28: ...ine damage may occur 1 Remove spark plug and check for fouling worn and rounded center electrode 2 Clean the plug or replace with a new one DO NOT sand blast to clean Remaining sand will damage engine 3 Adjust spark plug gap by bending outer electrode 4 Tighten spark plug to 150 170 kgf cm 130 150 in lbf Cooling System Level 2 To maintain proper engine operating temperatures cooling air must pass ...

Page 29: ...s considered Normal Maintenance Any failure attributed to lack of maintenance is not warranted 1 Remove spark plug lead 2 Remove muffler cover 3 Remove engine cover A 4 Use brush to remove dirt from the cylinder fins DO NOT use a metal scraper to remove dirt from the cylinder fins 5 Assemble components in reverse order C A ...

Page 30: ...5 Clean carbon deposits from muffler components Note When cleaning carbon deposits be careful not to damage the catalytic element inside muffler 6 Replace screen if it is cracked plugged or has holes burned through 7 Assemble components in reverse order Exhaust Port Cleaning Level 2 1 Remove spark plug lead from spark plug and remove muffler cover 2 Place piston at top dead center Remove muffler a...

Page 31: ...and attach spark plug lead 8 Start engine and warm to operating temperature 9 Stop engine and re tighten mounting bolts or nuts to specifications Carburetor Adjustment The blades must not move at idle otherwise serious personal injury may result Periodic carburetor adjustment may be necessary to assure blades do not move at idle If blades move readjust carburetor according to these instructions or...

Page 32: ...ing the engine below 1 100 feet ASL otherwise severe engine damage may result Level 2 Note Every unit is run at the factory and the carburetor is set in compliance with emission regulations Carburetor adjustments other than idle speed must be performed by an authorized ECHO dealer 1 Check idle speed and reset if necessary If a tachometer is available idle speed screw H should be set to the specifi...

Page 33: ...ire from spark plug 3 Brush loose debris from blade and coat both sides of blade with the 50 50 cleaning mixture 4 Allow cleaning mixture to soften the remaining gummy residue then wipe it from the blade 5 Apply clean oil to the entire length of the blade Be certain the blade bolts are lubricated 6 Wipe excess oil from the blade before putting the unit back in service Parts Required Echo RedArmor ...

Page 34: ...2 Do not force grease Too much pressure will force grease past seals and cause damage Apply 1 2 pumps of grease every 20 hours of operation 3 Remove the grommet next to the grease icon then add grease as illustrated 4 Reinstall the grommet securely in the hole otherwise it may become lost Parts Required Lithium Based Grease A B ...

Page 35: ...icing dealer otherwise premature wear or internal damage may occur Sharpening Level 2 If a power grinder is used DO NOT allow blade to over heat 1 Move stop switch to STOP position 2 Disconnect spark plug wire 3 Remove blade guard 4 Slide blades to allow file clearance using slots A on bottom of blade Do not pry against cutting edges 5 File each edge carefully Follow the original shape of the blad...

Page 36: ...Level 2 Locking ability of hedge trimmer blade lock nuts will diminish each time they are removed Replace if turning resistance is not felt when installing lock nuts 1 Tighten blade screws securely 2 Hold blade screws A to prevent turning and tighten lock nuts B A A B B ...

Page 37: ...with fuel Fuel mixture too rich OPEN choke Clean or replace air filter Adjust carburetor See your dealer Spark at end of plug wire No spark Stop switch OFF Electrical problem Interlock switch Turn switch to ON See your dealer Spark at plug Incorrect gap Covered with carbon Fouled with fuel Plug defective Adjust to 0 65mm 0 026 in Clean or replace plug Engine runs but dies or Engine does not accele...

Page 38: ...t dies or Engine does not accelerate properly Spark plug Plug dirty or worn Normal wear Clean and adjust or replace Carburetor Improper adjustment Vibration Adjust Cooling system Cooling systemdirty or plugged Extended operation in dirty or dusty locations Clean Spark arrestor screen Spark arrestor screen plugged Normal wear Replace Engine does not crank N A Internal engine problem See your dealer...

Page 39: ...ge trimmers in a stable horizontal position Support gear case and cutting blades to prevent excessive flexing which may cause damage to these components Always install blade cover when transporting or storing unit Long Term Storage Over 30 Days Do not store your unit for a prolonged period of time 30 days or longer without performing protective storage maintenance which includes the following 1 St...

Page 40: ... from the spark plug Remove the spark plug Pour 7 cc 0 25 oz of fresh clean two stroke engine oil into the cylinder through the spark plug hole a Place a clean cloth over the spark plug hole b Pull the recoil starter handle 2 3 times to distribute the oil inside the engine c Observe the piston location through the spark plug hole Pull the recoil handle slowly until the piston reaches the top of it...

Page 41: ...ischarge ignition type Spark Plug NGK BPM 8Y BPMR 8Y in Canada Gap 0 65 mm 0 026 in Fuel Mixed Gasoline and Two stroke Oil Gasoline Oil Ratio 50 1 Gasoline Use 89 Octane unleaded Do not use fuel containing methyl alcohol more than 10 ethyl alcohol or 15 MTBE Do not use alternative fuels such as E 15 or E 85 Oil ISO L EGD ISO CD 13738 and J A S O M345 FD two stroke air cooled engine oil Fuel Tank C...

Page 42: ...isused by ECHO Inc Registering your purchase enables us to contact you in the unlikely event of a service update or product recall and verifies your ownership for warranty consideration If you do not have access to the Internet you can complete the form below and mail to ECHO Incorporated Product Registration PO Box 1139 Lake Zurich IL 60047 Woody Material 13mm 1 2 in Idle Speed 3 300 RPM Clutch E...

Page 43: ...DH235 PRODUCT REGISTRATION X7702241803 43 12 19 ECHO Incorporated ...

Page 44: ...ECHO INCORPORATED 400 Oakwood Road Lake Zurich IL 60047 www shindaiwa usa com S N T29313001001 T29313999999 ...

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