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491s

Oil tank cap

Fuel tank cap

Cap indication

Oil/fuel tanks are indicated by the following 
illustrations.

HANDLING FUEL

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 shut-off containers to reduce fuel spillage. 

• 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. 

• Stored two-stroke fuel may separate. 

 

Always shake fuel container thoroughly before 
each use.

After Use - 

Do not store a unit with fuel in its tank. Leaks can 
occur. Return unused fuel to an approved fuel  
storage container. 

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 flames. 

   DANGER

Fuel is very flammable. 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 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! 
• Never refuel a unit with the engine running. 
• Do not fill fuel tanks indoors. 

 

Always fill fuel tanks outdoors over bare 

ground. 

• Securely tighten fuel cap after refueling. 
• Inspect for fuel leakage. 

 

If fuel leakage is found, do not start or 
operate unit until leakage is repaired. 

• Move at least 3 m from refueling location 

before starting the engine. 

CHAIN LUBRICANT

Proper lubrication of the chain while in operation 
reduces friction between the chain and the guide 
bar to a minimum and assures a longer service life.

•  Use bar and chain oil of high quality for this 

 

purpose.

•  Do not use used or reclaimed 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 refueling, also refill chain oil.

Содержание 491s

Страница 1: ...ead the instructions carefully and follow the rules for safe operation Failure to do so could result in serious injury X750 331 140 1 echo POWER EQUIPMENT CANADA 501 Newbold Street London Ontario Cana...

Страница 2: ...Never adjust the guide bar or saw chain when the engine operating 10 Beware of carbon monoxide poisoning Operate the chain saw in well ventilated areas only 11 Do not attempt a pruning or liming oper...

Страница 3: ...NOMENCLATURE OF PARTS 6 OPERATOR SAFETY 8 CORRECT USE OF CHAIN BRAKE 9 PREPARATION FOR USE 10 FUEL AND LUBRICANT 12 EMISSION DATA 14 OPERATION 15 CUTTING INSTRUCTION 18 CHAIN AND GUIDE BAR COMBINATION...

Страница 4: ...or s Manual Replacement manuals are available from your ECHO dealer Hold chain saw firmly with both hands Part Number X505 006660 Symbol form shape Symbol description application Symbol form shape Sym...

Страница 5: ...d saw chain installation and other assembly may be necessary After opening the carton check for damage Immediately notify your retailer or shindaiwa Dealer of damaged or missing parts Use the packing...

Страница 6: ...ber X524 005550 REPLACEMENT BAR AND CHAIN REMPLACEMENT DU GUIDE ET DE LA CHA NE GUIDE BAR P NO CHAIN P NO CKAwob GUIDE PI CE NO CHA NE PI CE NO 16 S16F0AD3366 S20BPX66CQ 43 5 18 S18F0AD3372 S20BPX72CQ...

Страница 7: ...and sprocket when the chain saw is in use 10 Chain tension adjuster Device to adjust chain tension 11 Chain catcher A projection designed to reduce the risk of the operator s right hand from being hi...

Страница 8: ...isted position Take periodic breaks to minimize repetition and rest your hands Reduce the speed and force in which you do the repetitive movement Do exercises to strengthen hand and arm muscles See a...

Страница 9: ...kback may occur when the nose or tip of the guide bar touches an object or when the wood closes in and pinches the saw chain in the cut The installation of a chain brake may be mandatory by law or as...

Страница 10: ...is tight on guide bar GUIDE BAR AND SAW CHAIN INSTALLATION REMOVAL 1 Remove spark plug lead See page 26 2 Remove two clutch cover nuts and remove clutch cover 3 Remove bar and saw chain if necessary S...

Страница 11: ...ld the bar nose up and turn the adjuster screw clockwise until chain fits snugly against underside of the bar 4 Tighten both nuts with the bar nose held up 5 Pull the chain around the bar by hand Loos...

Страница 12: ...oor performance or severe engine damage and void the product warranty Read and follow instructions in the Storage section of this manual Fuel Requirements Gasoline Use 89 Octane R M 2 mid grade or hig...

Страница 13: ...ner Store in a well ventilated unoccupied building away from sparks and flames DANGER Fuel is very flammable Use extreme care when mixing storing or handling or serious personal injury may result Use...

Страница 14: ...ast 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...

Страница 15: ...ove when engine is started with fast idle throttle latch engaged Do not start engine before chain brake is locked CAUTION After starting the engine immediately squeeze and then release throttle trigge...

Страница 16: ...se throttle trigger for disengaging throttle latch and returning engine to idle and pull front hand guard towards the operator immediately Chain brake unlocked position WHEN THE ENGINE IS WARM CAUTION...

Страница 17: ...gnition switch down to O position NOTICE If engine does not stop pull choke control knob out fully to stop engine Return the unit to your authorized shindaiwa Dealer to check and repair stop switch be...

Страница 18: ...best aid will be your own good common sense The accepted way to hold the saw is to stand to the left of the saw with your left hand on the front handlebar and your right hand on the rear handle so yo...

Страница 19: ...de opposite the notch and at a level about 5 cm above the bottom of the notch Do not try to cut through to the notch with the felling cut The remaining wood between the notch cut and felling cut about...

Страница 20: ...e the cut unless the tree is lying on perfectly flat ground or supported as shown If you make the cut with the tree on the ground don t let the saw s chain dig into the earth it is harmful for the saw...

Страница 21: ...the saw firmly on the ground When the brake lever trips the chain should stop Immediately release the throttle trigger WARNING If the chain does not stop immediately return the saw to your authorized...

Страница 22: ...ce 4 The impact should lock the chain brake IMPORTANT When checking the operation of the automatic chain brake use a soft surface substance like wood to provide the impact so the chain is not damaged...

Страница 23: ...of the same length and nose radius as a sprocket nose bar SAW CHAIN Low kickback CAUTION Do not use replacement saw chain unless it has been designated as meeting the CSA Z 62 3 kickback performance...

Страница 24: ...t Clean 2 I C Muffler Spark Arrestor Inspect Clean Replace 2 I C R Cylinder Exhaust Port Inspect Clean Decarbon 2 I C Recoil Starter Rope Inspect Clean 1 I C Screws Nuts Bolts Inspect Tighten Replace...

Страница 25: ...for 2 3 seconds to clear any excess fuel in the engine then return to idle Accelerate engine to full throttle to check for smooth transition from idle to high speed 6 Check idle speed and reset if nec...

Страница 26: ...rect the spark gap if it is wider or narrower than the standard gap Fastening torque 15 to 17 N m 150 to 170 kgf cm FUEL FILTER Check periodically Do not allow dust to enter fuel tank A clogged filter...

Страница 27: ...ug lead Remove spark arrestor screen cover and screen from muffler body Clean carbon deposits from muffler components Replace screen if it is cracked or has holes burned through Assemble components in...

Страница 28: ...hat blunt or irregular cutters will result in poor cutting performance increased vibration of chains and premature breakage of the saw chain Drive link serves to remove sawdust from the groove of the...

Страница 29: ...icient oil to it rotate the chain 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 pre...

Страница 30: ...re is too rich Open choke Clean replace air filter Adjust carburetor Ask your shindaiwa Dealer Spark at end of plug wire No spark at end of plug wire Ignition switch off Turn switch on Electrical prob...

Страница 31: ...from palm sap immediately after use Remove sprocket cover Clean wood chips and sawdust from cover and engine crankcase Never use metal tools for cleaning which may scratch the metal paint and allow co...

Страница 32: ...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 alternative fuels such as E 15...

Страница 33: ...nce 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 the web at WWW SHINDAIWA COM PRODUCT WAR...

Страница 34: ...utlined 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 servicing dealer duri...

Страница 35: ...OTE 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 and verifies your ownersh...

Страница 36: ......

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