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Specifications, descriptions and illustrative material in this literature are as accurate as known at the time 
of publication, but are subject to change without notice. Illustrations may include optional equipment and 
accessories, and may not include all standard equipment.

Instruction Manual

X7503274701

© 8/2015 ECHO Inc.

x7722271404 / x772000164

340s

CHAIN SAW

Burn Hazard

The muffler or catalytic muffler and surrounding cover may become extremely hot. 
Always keep clear of exhaust and muffler area, otherwise serious personal injury may 
occur.

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

Users of this equipment risk injury to themselves and others if the unit is used 
improperly and/or safety precautions are not followed. ECHO provides an operator’s 
manual and a safety manual. Both must be read and understood for proper and safe 
operation. Failure to do so could result in serious injury.

Summary of Contents for 340s

Page 1: ...muffler and surrounding cover may become extremely hot Always keep clear of exhaust and muffler area otherwise serious personal injury may occur The engine exhaust from this product contains chemicals...

Page 2: ...g 22 Checking Chain Tension 22 Chain Lubrication Test 23 Cutting Instructions 23 Chain And Guide Bar Combination 26 Guide Bar 26 Saw Chain 26 Maintenance 27 Skill Levels 27 Maintenance Intervals 27 Ca...

Page 3: ...ly may be necessary After opening the carton check for damage Immediately notify your retailer or Shindaiwa Dealer of damaged or missing parts Use the contents list to check for missing parts _____ 1...

Page 4: ...the chain saw and control the chain saw with a firm grip on both handles when it is in operation Keep handles dry clean and free of oil A chain saw should never be carried with the engine running 8 Wh...

Page 5: ...ueling b Do not allow other persons or animals close to running chain saw or close to where a tree is being felled c Use extreme caution when cutting small size brush and saplings because slender mate...

Page 6: ...dard B175 1 Safety Requirement for chain saws CSA Z62 1 3 stipulates that the brake shall stop the chain 0 12 seconds at an engine speed of 13 500 r min It is the responsibility of the owner operator...

Page 7: ...ies 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 clear...

Page 8: ...n Operators who are sensitive to dust or other common airborne allergens may need to wear a dust mask to prevent inhaling these materials while operating unit Dust masks can provide protection against...

Page 9: ...neck feet ankles hands and wrists Maintain good blood circulation by performing vigorous arm exercises during frequent work breaks and also by not smoking Limit the hours of operation Try to fill eac...

Page 10: ...or in inadequately ventilated areas Engine exhaust contains poisonous emissions and can cause serious injury or death Symbols and Signs Symbol form shape Symbol description application Symbol form sha...

Page 11: ...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 co...

Page 12: ...fuel tank fuel line emission control system is EVAP evaporative emissions Evaporative emissions for California models are only applicable to fuel tanks An Emission Control Label is located on the eng...

Page 13: ...ke 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 Shindaiwa dealer See PARTS ORDERING instructions f...

Page 14: ...starting Also activates fast idle throttle latch 12 CYLINDER COVER The cooling airflow grill It covers the cylinder spark plug and silencer 13 SPARK PLUG Provides spark to ignite fuel mixture 14 THRO...

Page 15: ...28 bolt in large hole of tip guard and through front large hole in guide bar 2 IMPORTANT Dimple A in tip guard must engage recess B in guide bar 3 Securely tighten nut and bolt For saws with tip guar...

Page 16: ...all the sprocket guard over the guide bar studs Ensure chain tension adjuster pin F fits into the guide bar adjuster hole D Tighten sprocket guard nuts finger tight 7 Adjust saw chain tension as instr...

Page 17: ...use in Shindaiwa 2 stroke or Hybrid 4 stroke gasoline engines Use of diesel or alternative fuels may cause performance problems loss of power overheating fuel vapor lock and unintended machine operat...

Page 18: ...moke near fuel DO NOT allow flames 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...

Page 19: ...oil to avoid various oiler problems Use high quality bar and chain oil Use bar and chain oil of the following grades SAE No 30 in summer SAE No 10 in winter or when cutting resinous trees When refuel...

Page 20: ...brake lever fully FORWARD to LOCK chain brake before starting 2 Fill the fuel tank with fuel mixture Do not over fill 3 Fill the chain oil tank with lubricant Do not over fill 4 Move ignition switch...

Page 21: ...starting Note If engine does not start after 5 pulls repeat instructions Note Do not increase engine speed while chain brake is locked Severe brake damage will result Starting Warm Engine Make sure t...

Page 22: ...ning when the engine reaches clutch engagement speed see technical data page 5 Confirm proper acceleration and lubrication of chain and bar 6 Do not run the engine at high speed unnecessarily 7 Be sur...

Page 23: ...ed the chain is moving at a high rate of speed Should the tip contact a limb or log while the chain is moving the tip will be pushed upward with considerable force This is known as kickback Avoid it I...

Page 24: ...properly tension guide bar and chain Run engine for one minute alternating engine speed between full throttle for 5 seconds and idle for 5 seconds to coat metal parts with additional protective chain...

Page 25: ...r exceeding twice the bar length start the notching cuts from one side and draw the saw through to the other side of the notch Start the back cut on one side of the tree pivoting the saw through to fo...

Page 26: ...d and pinch the saw if improperly supported The trunk will weaken at the point where you make the cut unless the tree is lying on perfectly flat ground or supported as shown If you make the cut with t...

Page 27: ...our Chain Saw Safety Manual for tip guard application information Guide Bar Low kickback Replacement guide bars The following guide bars may be considered to have equivalent kickback energy Sprocket n...

Page 28: ...ate difficulty Some specialized tools may be required Maintenance Intervals MAINTENANCE PROCEDURE LETTER CODES I INSPECT R REPLACE C CLEAN IMPORTANT NOTE Time intervals shown are maximum Actual use an...

Page 29: ...e air filter and muffler Spark Arrestor Screen 2 Make sure the bar and chain are properly adjusted 3 Start engine and run several minutes to bring to operating temperature Flash choke twice during war...

Page 30: ...is a danger of fire Stop using the machine immediately and request your dealer to inspect or replace Fuel Filter Check periodically Do not allow dust to enter fuel tank A clogged filter A will cause d...

Page 31: ...il holes B with a wire 4 Invert guide bar periodically 5 Clean the bar mount area before installing of the bar Sprocket A damaged sprocket will cause premature damage or wear of saw chain When the spr...

Page 32: ...with your local or state authorities for specific regulations in your area Failure to follow these requirements is a violation of the law Spark Arrestor Screen Carbon deposits in muffler will cause dr...

Page 33: ...ten mounting bolts or nuts to 7 9 N m 60 80 in lbf 9 Install guide bar and chain Adjust chain tension 10 Start engine and check for exhaust leaks between muffler and cylinder head Stop engine if leak...

Page 34: ...file as shown To keep correct position and correct angle use a file holder Hold the file horizontally Place the depth gauge tool firmly on guide bar so that depth gauge protrudes Then file top of dep...

Page 35: ...in slowly to wash away the filings before using again If the chain saw is operated with filings clogged in the groove the saw chain and the guide bar will be damaged prematurely If the saw chain becom...

Page 36: ...at end of plug wire No spark Stop switch OFF Electrical problem Interlock switch Turn switch to ON See your SHINDAIWA dealer See your SHINDAIWA dealer Spark at plug No spark Spark gap incorrect Covere...

Page 37: ...ps due to lack of fuel Allow engine to cool then remove the spark plug and pour 7 cc 1 4 oz of fresh clean two stroke engine oil into the cylinder through the spark plug hole Store in a dry area free...

Page 38: ...ISO L EGD ISO CD 13738 and JASO M345 FD two stroke air cooled engine oil Gasoline Use 89 octane unleaded Do not use fuel containing methyl alcohol more than 10 ethyl alcohol or 15 MTBE Do not use alte...

Page 39: ...SHINDAIWA COM Should you require assistance or have questions concerning Shindaiwa s Warranty Statement you can contact our Consumer Product Support Department at 1 800 673 1558 or contact us through...

Page 40: ...ative maintenance as outlined in the operator s manual is the customer s responsibility Failures due to improper set up pre delivery service or repair service by anyone other than authorized Shindaiwa...

Page 41: ...ne It s FAST and EASY NOTE your information will never be sold or misused by ECHO Inc Registering your purchase enables us to contact you in the unlikely event of a service update or product recall an...

Page 42: ...42 X7503274701 8 2015 ECHO Inc NOTES 340S NOTES...

Page 43: ...irs proof of purchase is required Consumer Product Support If you require assistance or have questions concerning the application operation or maintenance of this product you may call the SHINDAIWA Co...

Page 44: ...ECHO INCORPORATED 400 Oakwood Road Lake Zurich IL 60047 www echo usa com 44 C37313001001 C37313999999...

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