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Echo CS-370 Instruction Manual

Manual is about: Chain Saw

Summary of CS-370

  • Page 1

    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 x75032...

  • Page 2: Table of Contents

    2 x7503251406 © 08/2013 echo inc. Table of contents cs-370 table of contents table of contents .................................................................................................................................................................. 2 packing list ..............................

  • Page 3: Packing List

    Cs-370 packing list © 08/2013 echo inc. X7503251406 3 packing list the echo product you purchased has been factory pre-assembled for your convenience. Due to packaging restrictions, guide bar and saw chain installation and other assembly may be necessary. After opening the carton, check for damage. ...

  • Page 4: Safety

    4 x7503251406 © 08/2013 echo inc. Safety cs-370 safety rules for safe operation kickback safety precautions for chain 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 may c...

  • Page 5

    Cs-370 safety © 08/2013 echo inc. X7503251406 5 correct use of chain brake chain brake operation • set the lever in the unlocked position before starting to cut. • if the brake is tripped by kickback reaction, the chain will stop immediately. Release the throttle to avoid possible damage to the engi...

  • Page 6

    6 x7503251406 © 08/2013 echo inc. Safety cs-370 automatic chain brake kickback produced from the tip of the guide bar will trip the automatic chain brake. To make sure that the automatic chain brake operates properly, follow these steps: 1. Stop the engine. 2. Hold the saw with the guide bar approxi...

  • Page 7

    Cs-370 safety © 08/2013 echo inc. X7503251406 7 14. Keep the handles dry, clean, and free of oil or fuel mixture. 15. Operate the chain saw only in well ventilated areas. 16. Do not operate a chain saw in a tree unless you have been specifically trained to do so. 17. All chain saw service, other tha...

  • Page 8

    8 x7503251406 © 08/2013 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/or safety precautions are not followed. Proper clothing and safety gear must be worn when operating unit. Physical con...

  • Page 9

    Cs-370 safety © 08/2013 echo inc. X7503251406 9 the ignition 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 pace...

  • Page 10

    10 x7503251406 © 08/2013 echo inc. Safety cs-370 all over head electrical conductors and communications wires can have electricity flow with high voltages. This unit is not insulated against electrical current. Never touch wires directly or indirectly, otherwise serious injury or death may result. D...

  • Page 11

    Cs-370 safety © 08/2013 echo inc. X7503251406 11 symbols and signs manual safety symbols and important information throughout this manual and on the product itself, you will find safety alerts and helpful, informational messages preceded by symbols or key words. The following is an explanation of th...

  • Page 12

    12 x7503251406 © 08/2013 echo inc. Emission control (exhaust / evaporative) cs-370 the safety alert symbol accompanied by the word “danger” calls attention to an act or condition which will lead to serious personal injury or death if not avoided. The safety alert symbol accompanied by the word “warn...

  • Page 13: Description

    Cs-370 description © 08/2013 echo inc. X7503251406 13 description locate the safety decal(s) on your 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. See parts ordering instru...

  • Page 14

    14 x7503251406 © 08/2013 echo inc. Description cs-370 1. Chain brake lever/front hand guard - locks and unlocks the chain brake to stop or allow saw chain rotation. Guard between the front handle and the saw chain helps protect the hand from injuries if the hand slips off the handle. 2. Spark arrest...

  • Page 15

    Cs-370 description © 08/2013 echo inc. X7503251406 15 3. Clutch - turns drive sprocket when engine rpm is fast enough to provide the power needed for cutting. Preparation for use saw chain is sharp! Always wear gloves when handling assembly, otherwise serious personal injury may result. Note: the ma...

  • Page 16

    16 x7503251406 © 08/2013 echo inc. Description cs-370 5. Mount guide bar on studs (e) and slide toward sprocket (f) to make saw chain installation easier. Install saw chain around sprocket and guide bar as shown, with cutters on top of guide bar facing forward. 6. Install sprocket guard over guide b...

  • Page 17

    Cs-370 description © 08/2013 echo inc. X7503251406 17 3. Hold the bar nose up, and turn the adjuster screw (a) clockwise until chain contacts underside of the bar. 4. Tighten nuts with the bar nose held up. 5. Pull the chain around the bar by hand. Loosen the adjustment if you feel tight spots. Tigh...

  • Page 18: Operation

    18 x7503251406 © 08/2013 echo inc. Operation cs-370 operation fuel alternative fuels, such as e-15 (15% ethanol), e-85 (85% ethanol) or any fuels not meeting echo requirements are not approved for use in echo 2-stroke gasoline engines. Use of alternative fuels may cause performance problems, loss of...

  • Page 19

    Cs-370 operation © 08/2013 echo inc. X7503251406 19 mixing instructions 1. Fill an approved fuel container with half of the required amount of gasoline. 2. Add the proper amount of 2-stroke oil to gasoline. 3. Close container and shake to mix oil with gasoline. 4. Add remaining gasoline, close fuel ...

  • Page 20

    20 x7503251406 © 08/2013 echo inc. Operation cs-370 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 obstru...

  • Page 21

    Cs-370 operation © 08/2013 echo inc. X7503251406 21 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 (a) to “run” position. 5. Push purge pump (b) 3 to 4 times or until fuel is visible in purge pump. 6. Pu...

  • Page 22

    22 x7503251406 © 08/2013 echo inc. Operation cs-370 • after starting the engine, immediately squeeze and then release throttle trigger to release throttle lock button, otherwise severe brake damage may occur. • never use throttle lock button for cutting. • use the throttle lock button only in starti...

  • Page 23

    Cs-370 operation © 08/2013 echo inc. X7503251406 23 running the saw chain should not move at idle, otherwise serious personal injury may result. Note: if saw chain moves adjust carburetor according to “carburetor adjustment” instructions in this manual, or see your dealer. 1. After engine starts, al...

  • Page 24

    24 x7503251406 © 08/2013 echo inc. Operation cs-370 do not operate with a loose chain. Chain lubrication test hold the chain just above a dry surface and open the throttle to half speed for 30 seconds. A thin line of “thrown” oil should be seen on the dry surface. Cutting instructions general • this...

  • Page 25

    Cs-370 operation © 08/2013 echo inc. X7503251406 25 start the engine, see that it is running properly. Squeeze the trigger to open the throttle wide open and start the cut. If the chain is properly sharpened, the cutting should be relatively effortless. It is not necessary to press down hard to make...

  • Page 26

    26 x7503251406 © 08/2013 echo inc. Operation cs-370 limbing limbing a fallen tree is much the same as bucking. Never stand on the tree that you are limbing. When limbing, caution is the word. Be careful of the tip touching other limbs. Always use both hands. Don’t cut with the saw overhead or aligne...

  • Page 27

    Cs-370 operation © 08/2013 echo inc. X7503251406 27 chain and guide bar combination the following combinations are recommended for model cs-370. Use of replacement saw chain and/or guide bar other than that specified, or operation without the “tip guard” in place, may cause severe kickback resulting...

  • Page 28: Maintenance

    28 x7503251406 © 08/2013 echo inc. Maintenance cs-370 maintenance 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 r...

  • Page 29

    Cs-370 maintenance © 08/2013 echo inc. X7503251406 29 carburetor adjustment every unit is run at the factory and the carburetor is set in compliance with emission regulations. In addition, the carburetor is equipped with “h” (high speed) and “l” (low speed) needle adjustment limiters that prevent se...

  • Page 30

    30 x7503251406 © 08/2013 echo inc. Maintenance cs-370 air filter 1. Check before every use. 2. Close choke ( ). 3. Remove air cleaner cover (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 cover. Spark pl...

  • Page 31

    Cs-370 maintenance © 08/2013 echo inc. X7503251406 31 note: federal epa regulations require all model year 2012 and later gasoline powered engines produced for sale in the united states to be equipped with a special low permeation fuel supply hose between the carburetor and fuel tank. When servicing...

  • Page 32

    32 x7503251406 © 08/2013 echo inc. Maintenance cs-370 sprocket • a damaged sprocket will cause premature damage or wear of saw chain. • when the sprocket has worn out 0.5 mm (0.020 in.) or more, replace it. • check sprocket when you install new chain. Replace it if worn. Some tree sap and resins are...

  • Page 33

    Cs-370 maintenance © 08/2013 echo inc. X7503251406 33 spark arrestor screen carbon deposits in muffler will cause drop in engine output and overheating. Spark arrestor screen must be checked periodically. 1. Remove air cleaner cover and remove spark plug lead. 2. Remove spark arrestor cover (c) and ...

  • Page 34

    34 x7503251406 © 08/2013 echo inc. Maintenance cs-370 setting the saw chain important points for proper maintenance of saw chain: • keep the cutters sharp at all times. • keep the left and the right cutters properly aligned. • note that blunt or irregular cutters will result in poor cutting performa...

  • Page 35

    Cs-370 maintenance © 08/2013 echo inc. X7503251406 35 • place the depth gauge tool firmly on guidebar so that depth gauge protrudes. Then file top of depth gauge with the flat file until flat with top of the depth gauge tool. • one fifth of the file diameter remains above cutter edge. • be sure to r...

  • Page 36: Troubleshooting

    36 x7503251406 © 08/2013 echo inc. Troubleshooting cs-370 troubleshooting fuel vapors are extremely flammable and may cause fire and/or explosion. Never test for ignition spark by grounding spark plug near cylinder plug hole, otherwise serious personal injury may result. Engine problem troubleshooti...

  • Page 37: Storage

    Cs-370 storage © 08/2013 echo inc. X7503251406 37 storage storage after use • inspect and adjust every part of the chain saw. • completely clean every part and repair if necessary. • apply thin coating of oil on metal parts to prevent rust. • remove chain and guide bar. • drain fuel tank completely....

  • Page 38: Technical Data

    38 x7503251406 © 08/2013 echo inc. Technical data cs-370 technical data * technical data subject to change without notice. Model cs-370 length 393 mm (15.5 in.) width 245 mm (9.6 in.) height 277 mm (10.9 in.) dry weight 4.5 kg (10.0 lb.) without chain and guide bar engine air-cooled two-stroke singl...

  • Page 39: Warranty Statements

    Cs-370 warranty statements © 08/2013 echo inc. X7503251406 39 warranty statements echo limited warranty statement for product sold in usa and canada beginning 01/01/2010 echo's responsibility echo incorporated’s limited warranty, provides to the original purchaser that this echo product is free from...

  • Page 40

    40 x7503251406 © 08/2013 echo inc. Warranty statements cs-370 purchased repair parts, short blocks and accessories &gj** &^j* attention two-stroke engine power product owners this echo two-stroke engine power product is a quality-engineered unit which has been manufactured to exact tolerances to pro...

  • Page 41: Notes

    Cs-370 notes © 08/2013 echo inc. X7503251406 41 notes.

  • Page 42

    42 x7503251406 © 08/2013 echo inc. Notes cs-370

  • Page 43

    Cs-370 notes © 08/2013 echo inc. X7503251406 43.

  • Page 44

    44 x7503251406 © 08/2013 echo inc. Notes cs-370

  • Page 45

    Cs-370 notes © 08/2013 echo inc. X7503251406 45.

  • Page 46

    46 x7503251406 © 08/2013 echo inc. Notes cs-370

  • Page 47: Servicing Information

    Cs-370 servicing information © 08/2013 echo inc. X7503251406 47 servicing information parts/serial number genuine echo parts and echo repower™ parts and assemblies for your echo products are available only from an authorized echo dealer. When you do need to buy parts always have the model number and...

  • Page 48

    Echo, incorporated 400 o a kwood ro a d l a ke z u rich, il 60047 www.Echo-u s a.Com 48 c08011001001/c08011999999 c08911001001/c08911999999 c06212001001/c06212999999.