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  5. Operator's Manual

Echo CS-310 Operator's Manual

Summary of CS-310

  • 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 x7503274200 © 11/2014 echo inc. Table of contents cs-310 table of contents table of contents........................................................................................................................................................ 2 packing list..........................................

  • Page 3: Packing List

    Cs-310 packing list © 11/2014 echo inc. X7503274200 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 x7503274200 © 11/2014 echo inc. Safety cs-310 safety rules for safe operation 1. Fatigue causes carelessness. Be more cautious before rest periods and before the end of your shift. 2. Personal protective clothing required by your safety organizations, government regulations, or your employer shoul...

  • Page 5

    Cs-310 safety © 11/2014 echo inc. X7503274200 5 b. Tip contact may cause the guide bar to move suddenly upward and backward which may cause serious injury. C. Always use two hands when operating the chain saw. D. Use a firm grip, thumbs and fingers encircling the handles. E. Don’t overreach. F. Avoi...

  • Page 6

    6 x7503274200 © 11/2014 echo inc. Safety cs-310 if the chain does not stop immediately, return the saw to your authorized echo dealer for repair. Note: • for practice, while cutting a small tree, push the lever forward to lock the brake. • confirm that the brake works properly before each use. • if ...

  • Page 7

    Cs-310 safety © 11/2014 echo inc. X7503274200 7 • during operation, the muffler or catalytic muffler and surrounding cover become hot. • never suspend the saw on a lanyard with the engine running. • always use the saw from the right-hand side of your body – never from the left side. • always wear pr...

  • Page 8

    8 x7503274200 © 11/2014 echo inc. Safety cs-310 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-310 safety © 11/2014 echo inc. X7503274200 9 • do not operate unit barefooted. Keep long hair away from engine and air intake. Retain hair with cap or net. Heavy protective clothing can increase operator fatigue, which may lead to heat stroke. Schedule heavy work for early morning or late afterno...

  • Page 10

    10 x7503274200 © 11/2014 echo inc. Safety cs-310 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...

  • Page 11

    Cs-310 safety © 11/2014 echo inc. X7503274200 11 contact of the guide bar tip with any object should be avoided chain oiler adjustment both of the operator’s hands must be used to operate the chain saw purge pump hot surface carburetor adjustment - low speed mixture chain brake operation carburetor ...

  • Page 12

    12 x7503274200 © 11/2014 echo inc. Emission control (exhaust / evaporative) cs-310 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 e...

  • Page 13: Description

    Cs-310 description © 11/2014 echo inc. X7503274200 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 x7503274200 © 11/2014 echo inc. Description cs-310 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-310 description © 11/2014 echo inc. X7503274200 15 preparation for use saw chain is sharp! Always wear gloves when handling assembly, otherwise serious personal injury may result. Note: the machine may be delivered with guide bar, tip guard, and saw chain separated. Install guide bar, tip guard, ...

  • Page 16

    16 x7503274200 © 11/2014 echo inc. Description cs-310 5. Mount guide bar on studs (c) and slide toward sprocket (e) to make saw chain installation easier. Install chain with cutters on top of guide bar facing forward. 6. Install the sprocket guard over the guide bar studs. Ensure chain tension adjus...

  • Page 17: Operation

    Cs-310 operation © 11/2014 echo inc. X7503274200 17 adjusting chain tension always loosen sprocket guard nuts before turning the chain tension adjuster, otherwise the sprocket guard and tensioner will be damaged. 1. Release the cylinder cover latches, and remove the cylinder cover. Remove spark plug...

  • Page 18

    18 x7503274200 © 11/2014 echo inc. Operation cs-310 fuel requirements gasoline - use 89 octane [r+m/2] (mid grade or higher) gasoline known to be good quality. Gasoline may contain up to 10% ethanol (grain alcohol) or 15% mtbe (methyl tertiary-butyl ether). Gasoline containing methanol (wood alcohol...

  • Page 19

    Cs-310 operation © 11/2014 echo inc. X7503274200 19 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. After use • do not store a unit with fuel in its tank. Leaks can occur. Return unused fuel to a...

  • Page 20

    20 x7503274200 © 11/2014 echo inc. Operation cs-310 engine exhaust 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...

  • Page 21

    Cs-310 operation © 11/2014 echo inc. X7503274200 21 6. Pull choke control knob all the way out (closed [ ] choke position). • after choke control knob is pulled and then knob is returned to original position, throttle remains slightly open (fast idle latch condition). • the chain will attempt to mov...

  • Page 22

    22 x7503274200 © 11/2014 echo inc. Operation cs-310 4. Securely hold the chain saw as shown and pull starter handle. 5. Choke may be used if necessary, but after first starting sound, squeeze throttle trigger to release choke and return engine to idle. Note: if engine does not start after 5 pulls, u...

  • Page 23

    Cs-310 operation © 11/2014 echo inc. X7503274200 23 checking chain tension chain tension should be checked frequently during work and corrected as necessary. 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 s...

  • Page 24

    24 x7503274200 © 11/2014 echo inc. Operation cs-310 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 you can operate the throttle trigger with your right index finger. Before attempting to fell a ...

  • Page 25

    Cs-310 operation © 11/2014 echo inc. X7503274200 25 to fell big trees with a diameter 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 form the desire...

  • Page 26

    26 x7503274200 © 11/2014 echo inc. Operation cs-310 to cut the trunk, use the bucking and two-cut sequence shown. The first cut should be no deeper than one-third the trunk diameter. Chain and guide bar combination the following combinations are recommended for model cs-310. Use of replacement saw c...

  • Page 27

    Cs-310 operation © 11/2014 echo inc. X7503274200 27 do not use replacement saw chain unless it has been designated as meeting ansi b175.1 or csa z62.1, .3 kickback performance requirements, when tested on the representative sample of chain saws below 3.8 c.I.D. Specified in ansi b175.1 or csa 62.1, ...

  • Page 28: Maintenance

    28 x7503274200 © 11/2014 echo inc. Maintenance cs-310 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-310 maintenance © 11/2014 echo inc. X7503274200 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 x7503274200 © 11/2014 echo inc. Maintenance cs-310 air filter 1. Check before every use. 2. Close choke ( ). 3. Press hand guard forward and lock chain brake. 4. Release the cylinder cover latches (c) and remove cylinder cover (a) and air filter (b). 5. Lightly brush dust off air filter, or clean...

  • Page 31

    Cs-310 maintenance © 11/2014 echo inc. X7503274200 31 oil filter • check periodically. • do not allow dust to enter into oil tank. • a clogged oil filter (b) will affect the normal lubricating system. 1. Using a wire bent into the shape of a hook, pull filter out through gas port, and inspect filter...

  • Page 32

    32 x7503274200 © 11/2014 echo inc. Maintenance cs-310 cooling system cleaning • check periodically. • clogged fins will result in poor engine cooling. 1. Remove cylinder cover and starter. 2. Use compressed air or wooden tool to remove dirt and dust from between fins to let cooling air pass easily. ...

  • Page 33

    Cs-310 maintenance © 11/2014 echo inc. X7503274200 33 exhaust port cleaning level 2. 1. Remove cylinder cover and remove spark plug lead. 2. Place piston at top dead center. 3. Remove muffler. Check parts for wear or damage, and replace if necessary. 4. Use a wood or plastic scraping tool to clean d...

  • Page 34

    34 x7503274200 © 11/2014 echo inc. Maintenance cs-310 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-310 maintenance © 11/2014 echo inc. X7503274200 35 • place the depth gauge tool firmly on guide bar 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 ...

  • Page 36: Troubleshooting

    36 x7503274200 © 11/2014 echo inc. Troubleshooting cs-310 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-310 storage © 11/2014 echo inc. X7503274200 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 x7503274200 © 11/2014 echo inc. Technical data cs-310 technical data this spark ignition system complies with the canadian standard ices-002. * technical data subject to change without notice. Model cs-310 length 396 mm (15.6 in.) width 232 mm (9.1 in.) height 273 mm (10.7 in.) dry weight 4.0 kg ...

  • Page 39: Warranty Statements

    Cs-310 warranty statements © 11/2014 echo inc. X7503274200 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 x7503274200 © 11/2014 echo inc. Warranty statements cs-310 echo does not offer an over the counter exchange program. Any echo product re-built other than by echo or sold through an unauthorized dealer, or an unauthorized outlet store, is sold without echo’s limited warranty coverage. The echo lim...

  • Page 41: Product Registration

    Cs-310 product registration © 11/2014 echo inc. X7503274200 41 product registration thank you for choosing echo power equipment please go to http://www.Echo-usa.Com/warranty/register-your-echo to register your new product on-line. It's fast and easy! Note: your information will never be sold or misu...

  • Page 42: Notes

    42 x7503274200 © 11/2014 echo inc. Notes cs-310 notes.

  • Page 43: Servicing Information

    Cs-310 servicing information © 11/2014 echo inc. X7503274200 43 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 44

    Echo, incorporated 400 oakwood road lake zurich, il 60047 www.Echo-usa.Com 44 c33113001001/c33113999999 c04713001001/c04713999999.