Power Blower Operator's Manual MODEL PB-620 WARNING Read rules for safe operation and all instructions carefully. ECHO provides this Operator's Manual, which must be read and understood for proper and safe operation.
INTRODUCTION Welcome to the ECHO family. This ECHO product was designed and manufactured to provide long life and on-the-job dependability. Read and understand this manual. You will find it easy to use and full of helpful operating tips and SAFETY messages. THE OPERATOR'S MANUAL Read and understand this manual before operation. Keep it in a safe place for future reference.
POWER BLOWER OPERATOR'S MANUAL SAFETY 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 explanation of those symbols and key words and what they mean to you.
Physical Condition Your judgment and physical dexterity may not be good: • if you are tired or sick, • if you are taking medication, • if you have taken alcohol or drugs. Operate unit only if you are physically and mentally well. Eye Protection Wear eye protection that meets ANSI Z87.1 or CE requirements whenever you operate the unit. Hand Protection Wear no-slip, heavy-duty work gloves to improve your grip on the blower handle. Gloves also reduce the transmission of machine vibration to your hands.
POWER BLOWER OPERATOR'S MANUAL Repetitive Stress Injuries 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 put you at a high risk for developing a Repetitive Stress Injury (RSI). An extreme RSI condition is Carpal Tunnel Syndrome (CTS), which could occur when your wrist swells and squeezes a vital nerve that runs through the area.
EQUIPMENT CHECK WARNING Use only ECHO approved attachments. Serious injury may result from the use of a non-approved attachment combination. ECHO, INC. will not be responsible for the failure of cutting devices, attachments or accessories which have not been tested and approved by ECHO. Read and comply with all safety instructions listed in this manual and safety manual. • • • • Check unit for loose/missing nuts, bolts and screws. Tighten and/or replace as needed.
POWER BLOWER OPERATOR'S MANUAL DESCRIPTION Locate the safety decals on your unit. Make sure the decals are legible and that you understand and follow the instructions on them. If a decal cannot be read, a new one can be ordered from your ECHO dealer. See PARTS ORDERING instructions for specific information.
1. SAFETY DECAL - Lists important safety precautions. 2. SPARK PLUG - Provides spark to ignite fuel mixture. 3. SPARK ARRESTOR - CATALYTIC MUFFLER / MUFFLER - The muffler or catalytic muffler controls exhaust noise and emission. The spark arrestor screen prevents hot, glowing particles of carbon from leaving the muffler. Keep exhaust area clear of flammable debris. 4. RECOIL STARTER HANDLE - Pull recoil handle slowly until starter engages, then quickly and firmly.
POWER BLOWER OPERATOR'S MANUAL 9 CONTENTS ___ 1 ___ 1 ___ 1 ___ 1 ___ 1 ___ 1 ___ 1 ___ 1 ___ 1 ___ ___ ___ 1 - Power Head Flex Pipe Pipe w/swivel Straight Pipe Straight Pipe w/decal Operator's Manual Warranty Registration Card ECHO Emissions and Warranty Statement Plastic Bag 2 - Clamps w/screws 1 - Guide Loop Echo Power Blend X TM 2-stroke oil sample ASSEMBLY WARNING Never perform maintenance or assembly procedures with engine running or serious personal injury may result. INSTALL BLOWER PIPES 1.
5. Assemble flexible pipe (B) to elbow (D) on blower and tighten clamps (A). Position guide loop (G) on inside (blower side) of flexible tube. NOTE A light lubricant may be used to ease assembly of flexible pipe to blower elbow. 6. Clip throttle cable into throttle cable guide loop (G). 7. Move handle (E) to desired position. Tighten knob (H) hand tight. 8. Assemble straight pipe (I) onto swivel pipe (C), until you feel light resistance. Do not force connection.
POWER BLOWER OPERATOR'S MANUAL 11 WARNING Alternative fuels, such as E-20 (20% ethanol), E-85 (85% ethanol) or any fuels not meeting ECHO requirements are NOT approved for use in ECHO 2-stroke gasoline engines. Use of alternative fuels may cause performance problems, loss of power, overheating, fuel vapor lock, and unintended machine operation, including, but not limited to, improper clutch engagement.
After use • DO NOT store a unit with fuel in its tank. Leaks can occur. Return unused fuel to an approved fuel storage container. Storage - Fuel storage laws vary by locality. Contact your local government for the laws affecting your area. As a precaution, store fuel in an approved, airtight container. Store in a well-ventilated, unoccupied building, away from sparks and flames. IMPORTANT Stored fuel ages.
POWER BLOWER OPERATOR'S MANUAL STARTING WARM ENGINE The starting procedure is the same as Cold Start except DO NOT close the choke. A 1. Throttle Position/Stop Switch Button Slide Throttle Position /Stop Switch Button (A) back to idle position (first detent away from stop position). 2. Purge Bulb Pump purge bulb (C) until fuel is visible and flows freely in the clear fuel tank return line. Pump bulb an additional 4 or 5 times. 3. Recoil Starter Pull recoil starter handle (D) and engine should start.
OPERATING BLOWER WARNING 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. WARNING Always wear safety glasses, hearing protection, a face filter mask, and take all safety precautions, or serious personal injury may result. Do not point the blower pipe in the direction of people or pets.
POWER BLOWER OPERATOR'S MANUAL 15 MAINTENANCE WARNING 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 removing obstructions, clearing debris, or servicing unit. Allow unit to cool before performing service. Wear gloves to protect hands from sharp edges and hot surfaces.
AIR FILTER Level 1. Tools required: 25 - 50 mm (1 - 2 in.) Cleaning brush. Parts required: REPOWERTM Tune Up Kit NOTE Clean daily. 1. Close choke (Cold Start Position ( ). This prevents dirt from entering the carburetor throat when the air filter is removed. Brush accumulated dirt from air cleaner area. 2. Remove air filter cover. Brush dirt from inside cover. 3. Remove air filter and lightly brush debris from filter.
POWER BLOWER OPERATOR'S MANUAL SPARK PLUG Level 1. Tools required: 19 mm Spark Plug deep socket, feeler gauge Parts Required: REPOWERTM Tune Up Kit IMPORTANT Use only NGK BPM-8Y spark plug (BPMR-8Y in Canada) otherwise severe engine damage may occur. 1. Remove spark plug, and check for fouling, and worn or rounded center electrode. 2. Clean the plug or replace with a new one. DO NOT sand blast to clean. Remaining sand will damage engine. 3. Adjust spark plug gap by bending outer electrode. 4.
Cleaning Cylinder Fins A 1. Disconnect spark plug lead (A), and pull lead out of upper cover clamp and lower cover clamp. 2. Remove 5 screws and remove engine cover (B). 3. Clean cylinder fins (C) to allow cooling air to pass freely. C B EXHAUST SYSTEM Spark Arrestor Screen Level 2. Tools required: Cross head screwdriver, soft metal brush Parts Required: Spark arrestor screen, Gaskets (3) IMPORTANT Carbon deposits in muffler will cause a drop in engine output and overheating.
POWER BLOWER OPERATOR'S MANUAL Exhaust Port Cleaning Level 2. Tools required: 4 & 5 mm Hexagon wrench, Cross head screwdriver, Wood or plastic scraper Parts Required: As needed: Heat Shield 1. Remove spark plug lead from spark plug, and remove engine or muffler cover (5 screws). 2. Place piston at top dead center. Remove muffler (A) gasket (B), and heat shield (C). 3. Use a wood or plastic scraping tool to clean deposits from cylinder exhaust port.
CARBURETOR ADJUSTMENT Engine Break-In New engines must be operated for a minimum duration of two tanks of fuel before carburetor adjustments can be made. During the break-in period your engine performance will increase and exhaust emissions will stabilize. Idle speed can be adjusted as required. High Altitude Operation This engine has been factory adjusted to maintain satisfactory starting, emission, and durability performance up to 1,100 feet mean sea level (MSL) (96.0 kPa and below).
POWER BLOWER OPERATOR'S MANUAL Adjustment Screws Idle Speed (A) Control throttle opening at idle. Low (LO) Speed (B) Controls amount of fuel at low speed and supplementary fuel for smooth progression from idle to high speed. High (HI) Speed (C) Controls amount of fuel at full throttle Before Adjustment Check that: • Air filter is clean and properly installed. • Spark arrestor screen and muffler are free of carbon. • Blower pipes are installed. Initial Adjustment 1.
TROUBLESHOOTING TROUBLESHOOTING CHART Problem Engine cranks starts hard/ doesn't start C h eck Status Fuel at carburetor No fuel at carburetor Fuel at cylinder C au se Remedy Fuel strainer clogged Fuel line clogged Carburetor Clean or replace Clean or replace See your Echo dealer No fuel at cylinder Carburetor See your Echo dealer Muffler wet with fuel Fuel Mixture too rich Open choke Clean/replace air filter Adjust carburetor See your Echo dealer Spark at end of plug wire No spark Sto
POWER BLOWER OPERATOR'S MANUAL 23 STORAGE WARNING During operation the muffler or catalytic muffler and surrounding cover become hot. Always keep exhaust area clear of flammable debris during transportation or when storing, otherwise serious property damage or personal injury may result. Long Term Storage (Over 30 Days) Do not store your unit for a prolonged period of time (30 days or longer) without performing protective storage maintenance which includes the following: 1.
SPECIFICATIONS MODEL ----------------------------------------------------- PB-620 Length ------------------------------------------------------- 325 mm (12.8 in.) Width -------------------------------------------------------- 520 mm (20.5 in.) Height ------------------------------------------------------- 490 mm (19.3 in.) Weight (dry) ------------------------------------------------ 9.5 kg (20.9 lb.
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NOTES
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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, Type and Serial Number of the unit with you. You can find these numbers on the engine housing. For future reference, write them in the space provided below. Model No. _____________ Type _________SN.
