Echo CS-370 manual

Specifications, descriptions and illustrativ e material in th is literature are as accurate as known at the time of publ ication, but are subject to change without notice . Illustrations ma y include optional equipment and accessories, and ma y not include all standard equipment. Instruction Manual X7503251407 © 12/2013 ECHO Inc. x7722271404 / x77[...]

2 X7503251407 © 12/2013 ECHO Inc. TABLE OF CONTENTS CS-370 TABLE OF CONTENTS Table of Contents ..................................................................................................................................... ................... 2 Packing List .....................................................................................[...]

CS-370 PACKING LIST © 12/2013 ECHO Inc. X7503251407 3 PACKING LIST The ECHO product y ou purchased has been factory pre-as semb led for y our conv enience . Due to packaging restrictions, guide bar and sa w chain installation and other assemb ly may be necessary . After opening the car ton, chec k for damage . Immediately notify your retailer or E[...]

4 X7503251407 © 12/2013 ECHO Inc. SAFETY CS-370 SAFETY Rules For Safe Operation Kic kback Saf ety Precautions for Ch ain Saw Users KICKBACK 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. Tip contact in some cases ma y cause a lightning fast rev erse REA CTION, Kic[...]

CS-370 SAFETY © 12/2013 ECHO Inc. X7503251407 5 Correct Use Of Chain Brake Chain Brake Operation • Set the le ver in the unlock ed position before star ting to cut. • If the brak e is tripped by kic kback reaction, the chain will stop immediately . Relea se the throttle to av oid possib le damage to the engine or clutch. • Do not attempt to [...]

6 X7503251407 © 12/2013 ECHO Inc. SAFETY CS-370 A utomatic Chain Brake Kic kback produced from the tip of the guide bar will tr ip the automatic chain br ake. T o mak e sure that the automatic chain brak e operates properly , f ollow these steps: 1. Stop the engine . 2. Hold the saw with the guide bar appro ximately 35 cm (14 in.) abov e a wooden [...]

CS-370 SAFETY © 12/2013 ECHO Inc. X7503251407 7 14. K eep the handles dry , clean, and free of oil or fuel mixture. 15. Operate the chain saw only in well v entilated areas . 16. Do not operat e a chain saw in a tree unless y ou hav e been specifically tr ained to do so . 17. All chain saw service, other than items listed in the Instr uction man u[...]

8 X7503251407 © 12/2013 ECHO Inc. SAFETY CS-370 Personal Condition and Safety Equipment Users of this product risk injury to themselves and others if the unit is used improperly and/o r safety precautions are not followed. Prope r clothing and safety gear must be worn when operating unit. Physical Condition Y our judgment and ph ysical de xter ity[...]

CS-370 SAFETY © 12/2013 ECHO Inc. X7503251407 9 The ignition components  of thi s machine generate an electromagnetic field  during opera tion 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[...]

10 X7503251407 © 12/2013 ECHO Inc. SAFETY CS-370 All over head electrical conductors and com munications wires can have electricity flow with high voltages. This unit is not insulated against el ectrical current. Never touch wires directly or indirectly, otherwise serious injury or death may resul t. Do not operate this product indoors or in inade[...]

CS-370 SAFETY © 12/2013 ECHO Inc. X7503251407 11 Symbols and Signs Symbol form/s hape Symbol description/application Symbol form/sh ape Symbol description/application WARNING!! Read and follow all safety precaution in the instruction manual. Failure to follow instructions could result in serious personal injury. Choke control “Cold Start” posi[...]

12 X7503251407 © 12/2013 ECHO Inc. EMISSION CONTROL (EXHAU ST / EVAPORATIVE) CS-370 Manual Safety Symbols an d Important Information Throughout this manual and on the product itself , y ou will find saf ety aler ts and helpful, inf or mational messages preceded by symbols or ke y words. The f ollo w ing is an expla nation of those symbols and ke y[...]

CS-370 DESCRIPTION © 12/2013 ECHO Inc. X7503251407 13 DESCRIPTION Locate the saf ety decal(s) on you r unit. Make sure the decal(s) is legib le and that you underst and and follo w the instructions on it. If a decal cannot be read, a ne w one can be ordered from y our ECHO dealer . See P AR TS ORDERING instr uctions f or specific inf or mation. 1 [...]

14 X7503251407 © 12/2013 ECHO Inc. DESCRIPTION CS-370 1. Chain Brake Le ver/Front hand guar d - Locks and unloc ks the chain brak e to stop or allow sa w chain rotation. Guard betw een the front handle and the sa w chain helps protect the hand from injuries if the hand slips off the handle . 2. Spark arrestor m uffler or spark arrestor muffler wit[...]

CS-370 DESCRIPTION © 12/2013 ECHO Inc. X7503251407 15 3. Clutch - T ur ns drive sproc ket when eng ine r pm is fast enough to provide the pow er needed for cut ting. Preparation For Use Saw chain is sharp! Always wear gloves when handling assemb ly, otherwise serious personal injury may result. Note: The machine ma y be deliv ered with guide bar ,[...]

16 X7503251407 © 12/2013 ECHO Inc. DESCRIPTION CS-370 5. Mount guide bar on studs (E) and slide toward sproc ket (F) to make sa w chain installation easier . Install saw chain around sprock et and guide bar as sho wn, with cutters on top of guide bar f acing fo rward. 6. Install sproc ket guard ov er guide bar studs. Ensure chain tension adjuster [...]

CS-370 DESCRIPTION © 12/2013 ECHO Inc. X7503251407 17 3. Hold the bar nose up , and tur n the adjuster scre w (A) clockwise until chain contacts underside of the bar . 4. Tighten nuts with the bar nose he ld up. 5. Pull the chain around the bar by hand. Loosen the adjustment if you feel tight spots . Tighten guide bar nuts to 2 0 to 23 N•m (175 [...]

18 X7503251407 © 12/2013 ECHO Inc. OPERATION CS-370 OPERATION Fuel Alternative fuels, such as E-15 (15% etha nol), E-85 (85% ethanol) or any fuels not meeting ECHO requirements are NOT approved for use in ECHO 2-stroke gaso line engines. Use of alternative fuels may cause performance problems, loss of power, overheating, fuel vapor lock, and unint[...]

CS-370 OPERATION © 12/2013 ECHO Inc. X7503251407 19 Mixing Instructions 1. Fill an approv ed fuel container with half of the required amount of gasoline. 2. Add the proper amount of 2-strok e oil to gasoline . 3. Close container and shak e to mix oil with gasoline. 4. Add remaining gasoline , close fuel container , and remix. Spilled fuel is a lea[...]

20 X7503251407 © 12/2013 ECHO Inc. OPERATION CS-370 Moving parts can amputate fingers or cause severe injuries. Ke ep 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 befo re removing obstructions, clearing debris, or servicing unit. Eng[...]

CS-370 OPERATION © 12/2013 ECHO Inc. X7503251407 21 2. Fill the fuel tank with fuel mixture . Do not ov er fill. 3. Fill the chain oil tank with lubr icant. Do not o ver fill. 4. Mov e ignition s witch (A) to “ RU N ” position. 5. Push purge pump (B) 3 to 4 times or until fuel is visib le in purge pump . 6. Pull chok e control knob all the wa [...]

22 X7503251407 © 12/2013 ECHO Inc. OPERATION CS-370 • After starting the engine, immediately squee ze and then release throttle trigger to release throttle lo ck button, otherwise severe brake damage may occur. • Never use throttle lock button for cutting. • Use the throttle lock button only in starting. • The chain will attempt to move wh[...]

CS-370 OPERATION © 12/2013 ECHO Inc. X7503251407 23 Running The saw chain should not move at idle, otherwise serious personal injury may resu lt. Note: If saw chain mo ves adjust carb uretor according to “Carburet or Adjustment” instructions in this manual, or see you r dealer . 1. After engine star ts , allow it to return to idle and warm up [...]

24 X7503251407 © 12/2013 ECHO Inc. OPERATION CS-370 Do not operate with a loose chain. Chain Lubrication Test Hold the chain just abov e a dr y surf ace and open the throttle to half speed f or 30 seconds. A thin line of “thrown” oil should be seen on the dr y surf ace. Cutting Instructions General • This chain saw is designed for cutting wo[...]

CS-370 OPERATION © 12/2013 ECHO Inc. X7503251407 25 Star t the engine, se e that it is r unning properly . Squeeze the trigger to open the throttle wide open and sta r t the cut. If the chain is properly shar pened, t he cutting should be re latively eff or tless. It is not necessary to press down hard to mak e the saw cut. Pushin g the saw too ha[...]

26 X7503251407 © 12/2013 ECHO Inc. OPERATION CS-370 Limbing Limbing a f allen tree is much the same as b ucking. Ne v er stand on the tree that y ou are limbing. When limbing, caution is the word. Be careful of the tip t ouching other limbs. Alwa ys use both hands . Don’t cut with the sa w ov erhead or aligned v er tically with your body . If th[...]

CS-370 OPERATION © 12/2013 ECHO Inc. X7503251407 27 Chain And Guide Bar Combination The f ollowing combination s are recommended f or model CS-370. Use of replacement saw chain and/o r guide bar other than that specified, or operation without the “tip guard” in place, may cause severe kickback resulting in serious injury.Only use saw chain des[...]

28 X7503251407 © 12/2013 ECHO Inc. MAINTENANCE CS-370 MAINTENANCE Moving parts can amputate fingers or cause severe injuries. Ke ep 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 befo re removing obstructions, clearing debris, or servi[...]

CS-370 MAINTENANCE © 12/2013 ECHO Inc. X7503251407 29 Carburetor Adjustment Ev er y unit is run at the fa ctor y and the carbure tor is set in compliance with Emission Regulations . In addition, the carburetor is equipped with “ H ” (High Speed) and “ L ” (Lo w Speed) needle adjustment limite rs that prev ent settings outside acceptab le l[...]

30 X7503251407 © 12/2013 ECHO Inc. MAINTENANCE CS-370 Air Filter 1. Check bef ore ev er y use . 2. Close chok e ( ). 3. Remov e air cleaner cov er (A) and air filter (B). 4. Lightly brush dust off air filter , or clean with compressed air , or replace the air filter . 5. Install air filter and co ver . Spark Plug • Check periodically . • The s[...]

CS-370 MAINTENANCE © 12/2013 ECHO Inc. X7503251407 31 Note: F ederal EP A regulations require all model y ear 2012 and later gasoline po wered engines produced f or sale in the United States to be equipped with a special low permeation fuel supply hose between the carburetor and fuel tank. When ser vicing model y ear 2012 and later equipment, only[...]

32 X7503251407 © 12/2013 ECHO Inc. MAINTENANCE CS-370 Sprocket • A damaged sproc ket will cause premature damage or wear of sa w chain. • When the sproc ket has w or n out 0.5 mm (0.020 in.) or more, replace it. • Check spro cket when y ou install ne w chain. Replace it if wor n. Some tree sap and resins are corrosiv e. Thoroughly wash the g[...]

CS-370 MAINTENANCE © 12/2013 ECHO Inc. X7503251407 33 Spark Arrestor Screen Carbon deposits in m uffler will cause drop in engine output and ov erheating. Spark arrestor screen must be check ed periodically . 1. Remov e air cleaner cov er and remo ve spark plug lead. 2. Remov e spark arrestor cov er (C) and screen (B) from muffler (A) body . 3. Cl[...]

34 X7503251407 © 12/2013 ECHO Inc. MAINTENANCE CS-370 Setting The Saw Chain Impor tant points f or proper maintenance of sa w chain: • K eep the cutters sharp at all times. • K eep the left and the right cutters properly aligned. • Note that b lunt or irregular cutters will result in poor cutting perf or mance , increased vibration of ch ain[...]

CS-370 MAINTENANCE © 12/2013 ECHO Inc. X7503251407 35 • Place the depth gaug e tool fir mly on guidebar so that depth gauge protrudes. Then file top of depth gauge with the flat file until flat with top of the d epth gauge tool. • One fifth of the file diameter remains abo ve cutter edge . • Be sure to round off the front ed ge of the depth [...]

36 X7503251407 © 12/2013 ECHO Inc. TROUBLESHOOTING CS-370 TROUBLESHOOTING Fuel vapors are extremely flamm able and may cause fire and/or explosion. Never test for ig nition spark by grounding spark plug nea r cylinder plug hole, otherwise serious personal injury may result. ENGINE PROBLEM TR OUBLESHOOTING CHART Problem Ch eck Status Cause Remedy E[...]

CS-370 STORAGE © 12/2013 ECHO Inc. X7503251407 37 STORAGE Storage After Use • Inspect and adjust e very par t of the chain saw . • Completely clean e v er y par t and repair if necessar y . • Apply thin coating of oil on metal par ts to pre vent rust. • Remov e chain and guide bar . • Drain fuel tank completely . Press purge bulb 6 - 7 t[...]

38 X7503251407 © 12/2013 ECHO Inc. TECHNICAL DATA CS-370 TECHNICAL DATA * T echnical data subject to change without notice . Model CS-370 Length 393 mm (15 .5 in.) Width with alum inum handle, 245 mm (9.6 in.) Width with plastic handle 243mm (9.56 in) Height 277 mm (10.9 in.) Dry weight 4.6 kg ( 10.0 lb.) Without ch ain and guide bar Engine Air-co[...]

CS-370 WARRANTY STATEMENTS © 12/2013 ECHO Inc. X7503251407 39 WARRANTY STATEMENTS ECHO LIMITED W ARRANTY ST A TEMENT FOR PRODUCT SOLD IN USA AND CANADA BEGINNING 01/01/2010 ECHO'S RESPONSIBILITY ECHO Incorporated’s Limited W arranty , provides to the original purchaser that this ECHO product is free from defects in materia l and workmanship[...]

40 X7503251407 © 12/2013 ECHO Inc. WARRANTY STATEMENTS CS-370 PURCHASED REP AIR P ARTS, SHORT BLOCKS AND ACCESSORIES  [...]

CS-370 NOTES © 12/2013 ECHO Inc. X7503251407 41 NOTES[...]

42 X7503251407 © 12/2013 ECHO Inc. NOTES CS-370[...]

CS-370 SERVICING INFORMATION © 12/2013 ECHO Inc. X7503251407 43 SERVICING INFORMATION Parts/Serial Number Genuine ECHO P ar ts and ECHO REPOWER™ P ar ts and Assemblies f or your ECHO p roducts are av ailable only from a n A uthorized ECHO Dealer . When you do need to buy par ts al ways hav e the Mo del Number and Ser ial Number of the u nit with[...]

ECHO , INCORPORA TED 400 O a kwood Ro a d L a ke Z u rich, IL 60047 www .echo-u s a.com 44 C08011001001/ C08011999999 C08911001001/ C08911999999 C06212001001/ C06212999999[...]