Page 2 - RULES FOR SAFE OPERATION; A. Kickback Safety Precautions for Chain Saw Users
2 CS-450 RULES FOR SAFE OPERATION A. Kickback Safety Precautions 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 re...
Page 3 - B. Other Safety Precautions
3 CS-450 1. Do not operate a chain saw with one hand! Serious injury to the operator, helpers, or bystanders may result from one-handed operation. A chain saw is intended for two-handed use. 2. Do not operate a chain saw when you are fatigued. 3. Use safety footwear, snug-fitting clothing and protec...
Page 4 - SYMBOLS AND SIGNS
4 CS-450 WARNING The safety alert symbol accompanied by the word “WARNING” calls attention to an act or condition which CAN lead to serious personal injury or death if not avoided. CIRCLE AND SLASH SYMBOL This symbol means the specific action shown is prohibited. Ignoring these prohibitions can resu...
Page 5 - DECALS; STOP; SYMBOL FORM
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...
Page 6 - PACKING LIST; an Emission Control Label
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...
Page 7 - NOMENCLATURE OF PARTS
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
Page 8 - Spark arrestor muffler or spark arrestor; warning; aLwaYS; DO nOT
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...
Page 9 - NEVER
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...
Page 10 - SPARK ARRESTOR MUFFLER; CORRECT USE OF CHAIN BRAKE; DANGER
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...
Page 11 - PREPARATION FOR USE; WARNING; Saw chain is sharp! Always wear gloves; nOTE; KICK GUARD; For saws with Kick Guard; GUIDE BAR AND SAW CHAIN IN-; NOTE
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...
Page 12 - ADJUSTING CHAIN TENSION; IMPORTANT
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...
Page 13 - Handling Fuel; NOT
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...
Page 14 - CHAIN LUBRICANT
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...
Page 15 - • After choke control knob is pulled and then knob; CAUTION; • After starting the engine, squeeze throttle trigger; Choke; OPERATION
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...
Page 16 - WHEN THE ENGINE IS WARM; WHEN THE ENGINE IS COLD
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...
Page 17 - RUNNING; CHAIN LUBRICATION TEST; Do not operate with a loose chain.; CHECKING CHAIN TENSION; STOPPING
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...
Page 18 - CUTTING INSTRUCTION; GENERAL; • Read the ECHO “CHAIN SAW SAFETY MANUAL”
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....
Page 20 - KiCKBaCK iS DangErOUS
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...
Page 21 - CHAIN BRAKE OPERATION; If the chain does not stop immediately,
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...
Page 22 - End of the guide bar; AUTOMATIC CHAIN BRAKE; Rear handle; WINTER OPERATION
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...
Page 23 - CHAIN AND GUIDE BAR COMBINATION; iMPOrTanT; Saw CHain; CaUTiOn; Do not use replacement saw chain unless; gUiDE Bar
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...
Page 24 - MAINTENANCE AND CARE; MAINTENANCE INTERVALS
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...
Page 25 - CARBURETOR ADJUSTMENT
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...
Page 26 - OIL FILTER
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...
Page 27 - AUTOMATIC OILER; Decrease
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...
Page 28 - EXHaUST POrT CLEaning
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. ...
Page 29 - SETTING THE SAW CHAIN; SETTING SAW CHAIN
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...
Page 31 - TROUBLESHOOTING; Fuel vapors are extremely flammable and
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 ...
Page 32 - MODEL; STORAGE AFTER USE; Do not store in an enclosure where fuel fumes; Do not lend or rent your chain saw without the
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...
Page 36 - always; Replacement Operator, Safety Manuals, and Parts Catalogs
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...
