- DL manuals
- Echo
- Chainsaw
- CS-305
- Instruction Manual
Echo CS-305 Instruction Manual
Summary of CS-305
Page 1
X7503204801 x750006731 06/05 chain saw instruction manual model : cs-305 warning danger read rules for safe operation and instructions carefully. Echo provides an instruction manual and a safety manual. Both must be read and understood for proper and safe operation..
Page 2: Rules For Safe Operation
2 rules for safe operation a. Kickback safety precaution for chain saw users 1. With a basic understanding of kickback, you can reduce or eliminate the element of surprise. Sudden surprise contributes to accidents. 2. Keep a good firm grip on the saw with both hands, the right hand on the rear handl...
Page 3: Contents
3 contents page rules for safe operation .................................................................................................. 2 technical data ................................................................................................................. 4 emission data ................
Page 4: Technical Data
4 technical data * technical data subject to change without notice. Important this spark ignition system complies with canadian ices-002. L e d o m 5 0 3 - s c n o i s n e m i d h x w x l m m 0 2 2 x 5 3 2 x 0 8 3 h c n i 7 . 8 x 2 . 9 x 2 . 0 1 t h g i e w y r d , d a e h r e w o p g k ) b l 5 . 7 ...
Page 5: Description
5 description 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. Immediately notify your retailer or echo dealer of da...
Page 6
6 1. Front handle 2. Hand guard (chain brake actuating lever) 3. Saw chain 4. Guide bar 5. Chain catcher 6. Sprocket guard 7. Muffler 8. Rear hand guard 9. Throttle control lockout 10. Throttle control trigger 11. Air cleaner cover 12. Chain tension adjustment screw 13. Pull starter 14. Throttle con...
Page 7: Preparation For Use
7 preparation for use warning danger saw chain is sharp! Always wear gloves when handling assembly, otherwise serious personal injury may result. Guide bar and saw chain • remove two guide bar nuts (i) and remove sprocket guard (j). • mount guide bar (g) on studs, and slide toward sprocket to make s...
Page 8: Fuel And Lubricant
8 l adjustment, chain tension • remove spark plug lead. • loosen two guide bar nuts (i), if necessary. • hold the bar nose up, and turn the adjuster screw (l) clockwise until the chain touches the bottom of the bar. • tighten both guide bar nuts with bar nose held up. Important! Tighten guide bar nu...
Page 9
9 fuel tank oil tank tank indication important stored fuel ages. Do not mix more fuel than you expect to use in thirty (30) days, ninety (90) days when a fuel stabi- lizer is added. Stored two-stroke fuel may separate. Always shake fuel container thoroughly before each use. Important spilled fuel is...
Page 10: Operation
10 securely hold the saw. Operation b c a when the engine is cold warning danger make sure bar and chain are not touching anything when starting the saw. • move chain brake lever fully forward to engage chain brake before starting. • fill the fuel tank with fuel. • fill the chain oil tank with lubri...
Page 11
11 a a starting warm engine • ensure that there is fuel and chain oil in the tanks. (if fuel tank was emptied during previous operation, refill tank and push purge bulb 10 times.) • turn switch (a) to “run” position (i). • pull starter handle. • choke may be used if necessary, but be sure to push it...
Page 12
12 warning danger read the echo “chain saw safety manual” included with your chain saw for additional cutting and safety instruc- tions. Failure to obey all instructions may result in serious or fatal injuries. In all circumstances the operation of the chain saw is a one- man job. It is difficult at...
Page 13
13 2” 45° 2” felling a tree direction of fall direction of fall hinge felling cut first cut notch second cut one-third tree diameter limbing warning danger a falling tree can cause serious injury or damage any- thing it may hit - a car, a house, a fence, a power line, or another tree. There are ways...
Page 14
14 bucking uphill position finish cut first cut board or flat stones kickback • improper thrust cutting. • when the bar nose hits another tree, etc. Don’t cut with the saw overhead or the bar in a vertical posi- tion. If the saw should kick back you may not have good enough control to prevent possib...
Page 15
15 note use echo tm replacement guide bars. These guide bars may be considered to have equivalent kickback reduction: • sprocket nose guide bars of the same length and nose radius, same pitch and having the same number of teeth. • a hard nose guide bar having the same length and nose radius as a spr...
Page 16: Maintenance And Care
16 a b c d e g i maintenance and care air filter • check before every use. • pull choke (a) all the way out (close position). • loosen bolt and remove air cleaner cover (b) and filter (c). • lightly brush dust off filter, and inspect for damage. Automatic oiler • the discharge volume of the automati...
Page 17
17 sprocket • a damaged sprocket (j) will cause premature damage or wear of saw chain. - when the sprocket has worn out 0.5mm (.020”) or more, replace it. • check sprocket when you install new chain. Replace it if worn. • clean sprocket, clutch, and bar mount area before installation of bar. Importa...
Page 18
18 b a carburetor adjustment engine break-in new engines must be operated a minimum duration of two tanks of fuel break-in before carburetor adjust- ments can be made. During the break-in period your engine performance will increase and exhaust emissions will stabilize. Idle speed can be adjusted as...
Page 19: Setting The Saw Chain
19 *reduced nose radius symmetrical bars (oregon name — double guard) warning danger 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 in serious injury. Only use saw chain designated as, “low-k...
Page 20
20 depth gauge tool remove until flat with tool round off the edge 30° 80° 50° 90 0.64 mm (0.025 in.) parallel number indicates chain type number indicates chain type 90s (sprocket) (drive link) • properly filed cutters are shown below. (top plate angle) (side plate angle) (top plate cutting angle) ...
Page 21: Troubleshooting
21 fuel is not reaching carburetor fuel is not reaching cylinder engine does not start (or, is difficult to start) engine cranks there is fuel in the tank fuel is reaching carburetor fuel is reaching cylinder there is spark at high tension cord end there is spark at plug starting procedures correct ...
Page 22: Storage After Use
22 improper fuel used ........................................ Use fuel with correct mixing ratio. Never use gasoline of poor quality. Spark plug defective (worn) ........................... Replace. Ouput (engine speed) insufficient engine keeps running, but chain does not cut clean output (engine ...
Page 23: Correct Use of Chain Brake
23 kickback motion: • when the bar nose hits another tree, etc. • improper thrust cutting. Correct use of chain brake the installation of a chain brake may be mandatory by law or as stipulated by insurance regulations in your area of operation. You should inquire through local government offices, yo...
Page 24: Servicing Information
Consumer product support 1-800-673-1558 8:30 - 4:30 mon - fri c.S.T. Echo, incorporated 400 o akwood r oad l ake z urich , il 60047 www.Echo-usa.Com servicing information parts genuine echo parts and echo repower tm parts and assemblies for your echo products are available only from an authorized ec...