Page 2 - WARNING
Copyright © 2010 All Rights Reserved. T h e e n g i n e e x h a u s t f r o m t h i s p r o d u c t c o n t a i n s c h e m i c a l s k n o w n t o t h e S t a t e o f C a l i f o r n i a t o c a u s e c a n c e r , b i r t h d e f e c t s o r o t h e r r e p r o d u c t i v e h a r m . WARNING
Page 3 - RULES FOR SAFE OPERATION; A. Kickback Safety Precautions for Chain Saw Users
1 CS-550P RULES FOR SAFE OPERATION A. Kickback Safety Precautions for Chain Saw Users 1.With a basic understanding of kickback, you can reduce or eliminatethe element of surprise.Sudden surprise contributes toaccidents. 2.Keep a good firm grip on the saw with both hands, the right hand on the rearha...
Page 4 - B. Other Safety Precautions
2 CS-550P 1. Do not operate a chain saw with one hand! Serious injury to the operator,helpers, bystanders, or anycombination of these persons mayresult 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, snu...
Page 6 - DECALS
4 CS-550P TO AVOID KICKBACK 1. Hold the chain saw fir mly with both hands. 2. D o n ’ t l e t t h e n o s e o f t h e g u i d e bar contact any obstruction. 3. Tip contact may suddenly move the guide bar upward and backward,which may cause serious injury. Part Number 890191-30131 Carburetor adjustme...
Page 7 - PACKING LIST
5 CS-550P PACKING LIST The ECHO product you purchased has beenfactory pre-assembled for your convenience. Due topackaging restrictions, guide bar and saw chaininstallation and other assembly may be necessary. After opening the carton, check for damage.Immediately notify your retailer or ECHO dealer ...
Page 8 - NOMENCLATURE OF PARTS
6 CS-550P NOMENCLATURE OF PARTS * If a decal cannot be read, a new one can be ordered from your ECHO dealer. 2 1 5 4 7 8 10 11 12 13 20 15 16 17 19 3 18 14 6 21 9 22 TO AVOID KICKBACK 1. Hold the chain saw fir mly with both hands. 2. D o n ’ t l e t t h e n o s e o f t h e g u i d e bar contact any ...
Page 10 - OPERATOR SAFETY
8 CS-550P VIBRATION AND COLD • It is believed that a condition called Raynaud’s Phenomenon, which affects the fingers of certainindividuals, may be brought about by exposure tovibration and cold.Exposure to vibration and cold may causetingling and burning followed by loss of color andnumbness in the...
Page 11 - SPARK ARRESTOR MUFFLER; CORRECT USE OF CHAIN BRAKE; DANGER
9 CS-550P SPARK ARRESTOR MUFFLER • The spark arrestor muffler controls the exhaust noise and prevents hot, glowing par ticles ofcarbon from leaving the muffler.Make sure the spark arrestor screen is in goodrepair and properly seated in the muffler. • Certain internal combustion engines operated on f...
Page 12 - PREPARATION FOR USE
10 CS-550P PREPARATION FOR USE WARNING Saw chain is sharp! Always wear gloveswhen handling assembly, otherwise seriouspersonal injury may result. GUIDE BAR AND SAW CHAININSTALLATION/REMOVAL 1. Remove spark plug lead. (See page 25) 2. Remove two clutch cover nuts and remove clutch cover. 3. Remove ba...
Page 13 - ADJUSTING CHAIN TENSION; IMPORTANT
11 CS-550P ADJUSTING CHAIN TENSION IMPORTANT Always loosen clutch cover nuts before turningthe chain tension adjuster, otherwise the clutchcover and tensioner will be damaged. 1. Remove spark plug lead. (See page 25) 2. Unlock the chain brake and loosen two clutch cover nuts, if necessary. 3. Hold t...
Page 14 - FUEL AND LUBRICANT; FUEL STATEMENT
12 CS-550P FUEL AND LUBRICANT Fuel Mix Chart 50 : 1 US. METRIC Gasoline Oil Gasoline Oil Gallons US. fl. oz. L mL 1 2.6 4 80 2 5.2 8 160 5 12.8 20 400 FUEL STATEMENT GASOLINE - Use 89 Octane [(R+M)/2] (mid grade or higher) gasoline or gasohol known to be goodquality.Gasohol may contain up to 10 % Et...
Page 15 - HANDLING FUEL; EMISSION DATA; EMISSION CONTROL
13 CS-550P HANDLING FUEL MIXING INSTRUCTIONS - 1. Fill an approved fuel container with half of the required amount of gasoline. 2. Add the proper amount of two-stroke oil to gasoline. 3. Close container and shake to mix oil with gasoline. 4. Add remaining gasoline, close fuel container, and remix. I...
Page 16 - CHAIN LUBRICANT; OPERATION
14 CS-550P CHAIN LUBRICANT Proper lubrication of the chain while in operationreduces the friction between the chain and theguide bar to a minimum and assures a longerservice life. • Use bar and chain oil of high quality for this purpose. • Do not use used or reclaimed oil to avoid various oiler prob...
Page 17 - WHEN THE ENGINE IS COLD; WHEN THE ENGINE IS WARM; CAUTION
15 CS-550P WHEN THE ENGINE IS COLD CAUTION Make sure the bar and chain are free fromany obstruction when starting the chain saw. • Move chain brake lever fully forward to lock chain brake before starting. • Fill the fuel tank with fuel mixture. It is not permitted to fill fuel above the shoulderleve...
Page 18 - NOTE; CHECKING CHAIN TENSION; CHAIN LUBRICATION TEST
16 CS-550P RUNNING • When engine star ts, keep idling for a few minutes. • Set the brake lever in the unlocked position before starting to cut. • Pull throttle trigger gradually and increase revolution of the engine. • The chain starts running when the engine reaches 4000 r/min approximately. • Conf...
Page 19 - CUTTING INSTRUCTION; GENERAL
17 CS-550P CUTTING INSTRUCTION GENERAL CAUTION • Read the ECHO “CHAIN SAW SAFETY MANUAL” included with your chain saw foradditional cutting and safety instructions. • Wear suitable hearing protection such as earmuffs or earplugs to protect againstobjectionable or uncomfortable loud noises. • Do not ...
Page 20 - FELLING THE TREE
18 CS-550P FELLING THE TREE A falling tree can seriously damage anything it mayhit - a car, a house, a fence, a power-line, oranother tree.There are ways to make a tree fall where you wantit, so first decide where that is!Before cutting, clear the area around the tree.You will need good footing whil...
Page 22 - CHAIN BRAKE OPERATION
20 CS-550P Chain brake function When the lever is pushed forward, chain brakeinstantly stops the chain. Chain brake unlock When the lever is fully pulled toward theoperator, brake is unlocked. Kickback motion CHAIN BRAKE OPERATION • Set the lever in the unlocked position before star ting to cut. • I...
Page 23 - AUTOMATIC CHAIN BRAKE; WINTER OPERATION
21 CS-550P End of the guide bar may be placed at the height of about 40 cm (16 in.). 40 cm(16 in.) Rear handle should be gripped lightly with the right hand. AUTOMATIC CHAIN BRAKE Kickback produced from the tip of the guide bar willtrip the automatic chain brake. To make sure thatthe automatic chain...
Page 24 - CHAIN AND GUIDE BAR COMBINATION; GUIDE BAR
22 CS-550P CHAIN AND GUIDE BAR COMBINATION The following combinations are recommended for model CS-550P . GUIDE BAR (Low-kickback) Replacement guide bars.The following guide bars may be considered tohave equivalent kickback energy.• Sprocket nose guide bars of the same length and nose radius, same p...
Page 25 - MAINTENANCE AND CARE; SKILL LEVELS; MAINTENANCE INTERVALS
23 CS-550P MAINTENANCE AND CARE IMPORTANT Time intervals shown are maximum.Actual use and your experience will determinethe frequency of required maintenance. Your ECHO chain saw is designed to provide manyhours of trouble free service. Regular scheduledmaintenance will help your chain saw achieve t...
Page 26 - CARBURETOR ADJUSTMENT
24 CS-550P CARBURETOR ADJUSTMENT Every unit is run at the factory and the carburetor isset in compliance with Emission Regulations. Inaddition, the carburetor is equipped with “H” (HighSpeed) and “L” (Low Speed) needle adjustmentlimiters that prevent settings outside acceptablelimits. 1. Before adju...
Page 28 - AUTOMATIC OILER
26 CS-550P Worn : 0.5 mm (0.02 in.) Groove Oil hole 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 ba...
Page 29 - SETTING THE SAW CHAIN; SETTING SAW CHAIN
27 CS-550P 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 Impor tant points for proper maintenance of sawchain:• Keep the cutters sharp at all times.• Keep the left and the right cutters pr...
Page 31 - TROUBLESHOOTING
29 CS-550P TROUBLESHOOTING Problem Engine — hard to start Cause Remedy — does not start Engine Fuel at No fuel • Fuel filter clogged • Clean or replace cranks carburetor at carburetor • Fuel line clogged • Clean • Carburetor • Ask your ECHO dealer Fuel at No fuel at • Carburetor • Ask your ECHO deal...
Page 32 - STORAGE AFTER USE
30 CS-550P MODEL CS-550P Dimension L × W × H mm 448 × 253 × 284 (17.6 in. × 9.96 in. × 11.18 in.) Mass Power head, dry kg 6.0 (13.3 lb.) Without chain and guide bar Engine Type Air-cooled two-stroke single cylinder Displacement mL (cm³) 54.1 (3.30 cu. in.) Carburetor Diaphragm type Magneto Flywheel ...
Page 33 - WARRANTY STATEMENTS
31 CS-550P 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 defects in materialand workmanship. Under normal u...
