ECHO X7503196704 - Manuals

5 CS-450 TO AVOID KICKBACK 1. Hold the chain saw firmly with both hands. 2. Don’t let the nose of the guide bar contact any obstruction. 3. Tip contact may suddenly move the guide bar upward and backward, which may cause serious injury. Carburetor adjustment - Idle speed Carburetor adjustment - High...

6 CS-450 PACKING LIST The ECHO product you purchased has been fac - tory 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. Im- mediately notify your retailer or ECHO...

7 CS-450 NOMENCLATURE OF PARTS 24 21 16 17 18 20 19 15 5 4 8 7 10 11 12 13 14 3 2 1 9 22 23 6 CS-450 25 4

8 CS-450 OPERATOR SAFETY NOMENCLATURE OF PARTS 1. Instruction manual - Included with unit. Read before operation and keep for future reference to learn proper, safe operating techniques. 2. Safety manual - Describe operating and safety instructions for this chain saw. 3. Front hand guard - Guard bet...

9 CS-450 VIBRATION AND COLD • It is believed that a condition called Raynaud’s Phenomenon, which affects the fingers of certain individuals, may be brought about by exposure to vibration and cold. Exposure to vibration and cold may cause tingling and burning followed by loss of color and numbness in...

10 CS-450 SPARK ARRESTOR MUFFLER • The spark arrestor muffler controls the exhaust noise and prevents hot, glowing particles of carbon from leaving the muffler. Make sure the spark arrestor screen is in good repair and properly seated in the muffler. • Certain internal combustion engines operated on...

11 CS-450 PREPARATION FOR USE Bolt (A) Dimple (D) Recess (E) Front hole (C) Rear hole (B) Nut (F) Guide bar Kick Guard ® Brake connector Clutch cover Brake lever (Front hand guard) Two nuts WARNING Saw chain is sharp! Always wear gloves when handling assembly, otherwise serious personal injury may r...

12 CS-450 6. Mount guide bar on studs and slide toward clutch to make saw chain installation easier. In - stall chain with cutters on top of guide bar facing forward. 7. Unlock the chain brake, and install the clutch cover over the guide bar studs. Ensure chain tension adjuster pin fits into the gui...

13 CS-450 F uEl anD l ubricant NOTICE: Use of unmixed, improperly mixed, or fuel older than 90 days, (stale fuel), may cause hard starting, poor perfor- mance, or severe engine damage and void the product warranty. Read and follow instructions in the Storage section of this manual. FuEl statEmEnt wa...

14 CS-450 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 container, and remix. IMPORTANT Spilled fu...

15 CS-450 WARNING • After choke control knob is pulled and then knob is returned to original position, throttle remains slightly open (latch condition). •The chain will attempt to rotate when engine is started with throttle latch engaged. •Do not start engine before chain brake is activated. CAUTION...

16 CS-450 WHEN THE ENGINE IS WARM CAUTION Make sure the bar and chain are free from any obstruction when starting the chain saw. • Move chain brake lever fully forward to lock chain brake before starting. • Confirm there is fuel and chain oil in the tanks.• Move ignition switch to “RUN” position.• S...

17 CS-450 STOP Ignition switch Throttle trigger RUNNING warning 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. • When engine starts, k...

18 CS-450 CUTTING INSTRUCTION Kickback GENERAL CAUTION • Read the ECHO “CHAIN SAW SAFETY MANUAL” included with your chain saw for additional cutting and safety instructions. • Wear suitable hearing protection such as earmuffs or earplugs to protect against objectionable or uncomfortable loud noises....

20 CS-450 Uphill position Finish cut First cut 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 aligned verti...

21 CS-450 Chain brake function When the lever is pushed forward, chain brake instantly stops the chain. Chain brake unlock When the lever is fully pulled, toward the operator, brake is unlocked. Kickback Kickback motion CHAIN BRAKE OPERATION • Set the lever in the unlocked position before starting t...

22 CS-450 End of the guide bar may be placed at the height of about 50 cm (20 in.). 50 cm (20 in.) 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...

23 CS-450 CHAIN AND GUIDE BAR COMBINATION The following combinations are recommended for model CS-450 . warning 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 repl...

24 CS-450 MAINTENANCE AND CARE Your ECHO chain saw is designed to provide many hours of trouble free service. Regular scheduled maintenance will help your chain saw achieve that goal. If you are unsure or are not equipped with the necessary tools, you may want to take your unit to an ECHO Service De...

25 CS-450 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 settings outside acceptable limits. 1. Before adjusting carburetor c...

26 CS-450 Oil filter Fuel filter Oil tank cap Fuel tank cap 0.65 mm (0.026 in.) AIR FILTER • Check before every use.• Loosen cleaner cover knob and remove air cleaner cover and filter. • Brush off dust lightly, or clean with compressed air, or replace the air filter. • Reinstall air filter and cover...

27 CS-450 GUIDE BAR • Clean before using. - Clean the groove of the guide bar with a small screwdriver. - Clean oil holes with a wire. • Reverse guide bar periodically. • Check sprocket and the clutch and clean the bar mount area before installation of the bar. Replace either or both if worn. SPROCK...

28 CS-450 EXHaUST POrT CLEaning Parts Required: As needed: Muffler gasket 1. Remove air cleaner cover and remove spark plug lead. 2. Remove guide bar and saw chain. See "Guide Bar and Saw Chain Installation/Removal." 3. Remove muffler support bracket (A). 4. Place piston at top dead center. ...

29 CS-450 SETTING THE SAW CHAIN Sharpen lower edge Drive link Tie strap Right hand cutter Preset tie strap Left hand cutter Guard link Top plate Side plate Depth guage Important points for proper maintenance of saw chain: • Keep the cutters sharp at all times. • Keep the left and the right cutters p...

31 CS-450 TROUBLESHOOTING WARNING 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. T r a H C g n i T O O H S E L B U O r T M E L B O r P E n i g n E m ...

32 CS-450 MODEL CS-450 Dimension L × W × H mm 400 × 252 × 278 (15.7 in. × 9.9 in. × 10.9 in.) Mass Power head, dry kg 5.1 (11.2 lb.) Without chain and guide bar Engine Type Air-cooled two-stroke single cylinder Displacement mL (in 3 ) 45.0 (2.746 c.u in.) Carburetor Diaphragm type Magneto Flywheel m...

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 60047-1564 www.echo-usa.com DEaLEr? Call 1-800-432-ECHO 1-800-432-3246 or www.echo-usa.com C05812001001/C05812999999 s Ervicing i nFormation parts / sErial numbEr Genuine ECH...