Operator’s Manual PB-2520 Power Blower The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. Read and understand all provided literature before use. Failure to do so could result in serious injury. X7501190003 ©10/2019 ECHO Inc.
TABLE OF CONTENTS PB-2520 TABLE OF CONTENTS Table of Contents........................................................................................ 2 Introduction ................................................................................................. 3 Servicing Information .................................................................................. 3 Parts/Serial Number............................................................................. 3 Service ...............................
PB-2520 INTRODUCTION INTRODUCTION Specifications, descriptions and illustrative material in this literature are as accurate as known at the time of publication, but are subject to change without notice. Illustrations may include optional equipment and accessories, and may not include all standard equipment. Read and understand all provided literature. Literature contains specifications and information for safety, operation, maintenance, storage and assembly specific to this product.
SAFETY PB-2520 Service Service of this product during the warranty period must be performed by an Authorized ECHO Service Dealer. For the name and address of the Authorized ECHO Service Dealer nearest you, ask your retailer or call: 1-800-432-ECHO (3246). Dealer information is also available on our Web Site www.echo-usa.com. When presenting your unit for Warranty service/ repairs, proof of purchase is required.
PB-2520 SAFETY The safety alert symbol accompanied by the word “DANGER” calls attention to an act or condition which WILL lead to serious personal injury or death if not avoided. 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. The safety alert symbol accompanied by the word “CAUTION” calls attention to an act or condition which may lead to minor or moderate personal injury if not avoided.
SAFETY Symbol PB-2520 Description Symbol Description Safety/Alert Emergency Stop Hot Surface Fuel and Oil Mixture Idle speed Fast speed Finger severing Primer Bulb DO NOT Allow Flames or Sparks Near Fuel Ignition ON / OFF DO NOT Smoke Near Fuel Choke Control “COLD START” Position (Choke Closed) Choke Control “RUN” Position (Choke Open) Wear Slip Resistant Footwear Beware of thrown objects Keep Bystanders and Helpers Away 15 m (50 ft.). 6 X7501190003 ©10/2019 ECHO Inc.
PB-2520 SAFETY Personal Condition and Safety Equipment Cancer and Reproductive Harm www.P65Warnings.ca.gov The muffler or catalytic muffler and surrounding cover may become extremely hot. Always keep clear of exhaust and muffler area, otherwise serious personal injury may occur. Users of this product risk injury to themselves and others if the unit is used improperly and/or safety precautions are not followed. Proper clothing and safety gear must be worn when operating unit.
SAFETY PB-2520 • If you have taken alcohol or drugs Operate unit only if you are physically and mentally well. Eye Protection ◆ ◆ Eye protection that meets ANSI Z87.1 or CE requirements must be worn whenever you operate the unit. For additional safety, a full-face shield may be worn over safety glasses or goggles to provide protection from sharp branches or flying debris. Hand Protection Wear sturdy, no-slip, rubber work gloves to improve your grip on the handles.
PB-2520 SAFETY • DO NOT OPERATE UNIT BAREFOOTED. Keep long hair away from engine and air intake. Retain hair with cap or net. Heavy protective clothing can increase operator fatigue, which may lead to heat stroke. Schedule heavy work for early morning or late afternoon hours when temperatures are cooler. The components of this machine generate an electromagnetic field during operation, which may interfere with some pacemakers.
SAFETY PB-2520 Repetitive Stress Injuries (RSI) 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.
PB-2520 SAFETY Do not operate this product indoors or in inadequately ventilated areas. Engine exhaust contains poisonous emissions and can cause serious injury or death. Read the Manual • Provide all users of this equipment with literature for instructions on safe operation. Clear the Work Area • Clear the area of children, bystanders, and pets. At a minimum, keep all children, bystanders, and pets outside a 15 m (50 ft.) radius; outside the 15 m (50 ft.
SAFETY PB-2520 Equipment Use only 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. ◆ Do not attempt to modify this product. Serious injury can result from the use of any modified product.
PB-2520 EMISSION CONTROL EMISSION CONTROL (EXHAUST & EVAPORATIVE) CARB And EPA Emissions Control Information The emission control system for the engine is EM (engine modification) and, if the second to last character of the Engine Family on the Emission Control Information label (sample below) is “B”, “C”, “K”, or “T”, the emission control system is EM and TWC (3way catalyst). The fuel tank/fuel line emission control system is EVAP (evaporative emissions).
DESCRIPTION PB-2520 DESCRIPTION Locate the safety decal(s) on your unit. Make sure the decal(s) is legible and that you understand and follow the instructions on it. If a decal cannot be read, a new one can be ordered from your ECHO dealer. Safety label is for example only. Your label my appear slightly different. 5 6 7 4 3 2 1 5 8 6 7 8 9 12 11 10 70dB(A) per ANSI B175.2 14 X7501190003 ©10/2019 ECHO Inc.
PB-2520 1. Throttle Position Lever 2. Stop Switch 3. Throttle Trigger 4. Spark Plug 5. Air Cleaner 6. Choke 7. Purge Bulb 8. Recoil Starter Handle 9. Fuel Tank Cap CONTENTS 10. Fuel Tank 11. Spark Arrestor Muffler Or Spark Arrestor Muffler With Catalyst 12. Blower Pipes CONTENTS The ECHO product you purchased has been factory pre-assembled for your convenience. Due to packaging restrictions, some assembly may be necessary. After opening the carton, check for damage.
ASSEMBLY PB-2520 ASSEMBLY Never perform maintenance or assembly procedures with engine running or serious personal injury may result. Install Blower Pipes 1. Stand unit upright on blower base. 2. Align large locking ribs (A) on curved blower pipe with pipe lock (B) in fan case. Slide curved blower pipe into fan case until a clicking sound is heard. A B Do not assemble the opposite end of the curved blower pipe to the fan case. 16 X7501190003 ©10/2019 ECHO Inc.
PB-2520 3. 4. ASSEMBLY Align tabs (C) with grooves (D) and slide straight blower pipe (E) over curved pipe (F) until there is light resistance. Do not force the connection. Hold curved pipe, and turn straight pipe clockwise, engaging positive locking channels until connection is firm. F E C D Note: Blower use will eventually loosen pipe connections. Exclusive positive locking system allows pipes to be tightened.
OPERATION PB-2520 OPERATION 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. Blower housing may contain shredder blades and other sharp edges that can cause serious injuries if touched, even if engine is off and blades are not moving.
PB-2520 OPERATION Fuel Diesel fuels and alternative fuels, such as E-15 (15% 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 diesel or 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.
OPERATION ◆ ◆ PB-2520 AVOID repeated or prolonged skin contact. AVOID inhaling oil mists or vapors. ECHO branded 2-stroke oils may be mixed at 50:1 ratio for application in all ECHO engines sold in the past regardless of ratio specified in those manuals. Handling Fuel Fuel is VERY flammable. Use extreme care when mixing, storing or handling, or serious personal injury may result. ◆ Use an approved fuel container. Mark fuel containers as containing 2-stroke mixture fuel. ◆ DO NOT smoke near fuel.
PB-2520 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. OPERATION Fuel to Oil Mix – 50:1 Ratio US Metric Gas Oil Gas Oil gal. fl.oz. L cc 1 2.6 5 100 2 5.2 10 200 5 13 25 500 Spilled fuel is a leading cause of hydrocarbon emissions.
OPERATION PB-2520 Starting Cold Engine 1. Stop Switch Move stop switch (A) away from the STOP position. B Note: Engine will not run if safety switch is not activated. 2. A Throttle Position Lever Move throttle position lever (B) midway between idle and full throttle positions. 3. Choke Move choke (C) to COLD START ( ) (closed) position. 4. Purge Bulb Pump purge bulb (D) until fuel is visible and flows freely in the clear fuel tank return line.
PB-2520 OPERATION Note: If engine does not start with choke in RUN position after 5 pulls, repeat instructions 3 - 6. 7. Throttle Trigger After engine warm up, gradually depress throttle trigger to increase engine RPM to operating speed. Note: Allow engine to warm up 3 minutes before use. Starting Warm Engine The starting procedure is the same as Cold Start except DO NOT close the choke. 1. Stop Switch Move stop switch (A) away from the STOP position. 2.
OPERATION PB-2520 Recoil starter: Use short pulls - only 1/2 to 2/3 of rope for starting. Do not allow the rope to snap back in. Always hold the unit firmly. Note: If engine does not start after 5 pulls, use Cold Start Procedure. Stopping Engine 1. Throttle Trigger/Throttle Position Lever Release throttle trigger (G). Move throttle position lever (B) forward to idle position and allow engine to return to idle before shutting off engine. 2. B A G Stop Switch Move stop switch (A) to STOP position.
PB-2520 OPERATION Use reduced speed only when performing light-duty tasks or to comply with local noise regulations. Continuous low speed operation may allow fuel/oil residue to build-up on the piston and cause rapid build-up of carbon on the spark arrestor screen, resulting in overheating and engine damage. To reduce harmful build-up, run engine at wide open throttle for at least 5 minutes every hour, and inspect/clean the spark arrestor screen after approximately 40 hours of operation.
MAINTENANCE 4. Control engine speed with throttle trigger (G), or for continuous use, set engine speed with throttle position lever (B). Rotate throttle position lever forward for lower speed, back for higher speed. PB-2520 B G 5. Use lower speed to blow debris from hard surfaces. 6. Additional speed may be necessary to clean debris, snow, etc. from lawns and flowerbeds. Note: Never use a higher speed setting than necessary to perform a task.
PB-2520 MAINTENANCE The use of emission control components other than those specifically designed for this unit is a violation of federal law. Skill Levels Level 1 = Easy to do. Common tools may be required. Level 2 = Moderate difficulty. Some specialized tools may be required. Level 3 = See your dealer. Click HERE or go to http://www.echo-usa.com/products/maintenance-kit or HERE https://www.shindaiwa-usa.com/you-can.aspx For information about maintenance kits.
MAINTENANCE PB-2520 MAINTENANCE PROCEDURE COMPONENT/SYSTEM Muffler Spark Arrestor Inspect/Clean 2 Cylinder Exhaust Port Inspect/Clean/De-carbon 2 REQUIRED SKILL LEVEL 3 Yearly Fuel Filter Inspect/Replace 3 Fuel Cap Gasket Replace 3 1 IMPORTANT NOTE - Time intervals shown are maximum. Actual use and your experience will determine the frequency of required maintenance. MAINTENANCE PROCEDURE NOTES: 1 Low evaporative fuel tanks DO NOT require regular maintenance to maintain emission integrity.
PB-2520 MAINTENANCE 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. Replace filter if it is damaged, fuel soaked, very dirty, or the rubber sealing edges are deformed. Clean the filter with a neutral detergent. Do not use solvents for cleaning. 4.
MAINTENANCE PB-2520 3. Do not remove the wire coil clamp to remove the fuel filter. Pinch the fuel filter with the fingers on one hand and the fuel line with the other hand. Pull and twist slightly to separate. 4. Install the new filter with the reverse action. Note: Federal EPA regulations require all model year 2012 and later gasoline powered engines produced for sale in the United States to be equipped with a special low permeation fuel supply hose between the carburetor and fuel tank.
PB-2520 MAINTENANCE Spark Plug Level 2. Parts Required: Tune-Up Kit Use only NGK BPMR8Y spark plug otherwise severe engine damage may occur. 1. Remove spark plug and check for fouling, worn and 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. Tighten spark plug to 150-170 kgf • cm (130-150 in • lbf). 0.65 mm (0.026 in.) Cooling System Level 2.
MAINTENANCE PB-2520 Removal of cooling passage blockages or cleaning of cooling fins is considered “Normal Maintenance.” Any failure attributed to lack of maintenance is not warranted. Cleaning Grill 1. Brush accumulated debris from crankcase intake grill (A) and discharge grill (B). B A Cleaning Cylinder Fins Blow compressed air through crankcase intake grill and discharge grill at area shown. Exhaust System See your dealer for maintenance. 32 X7501190003 ©10/2019 ECHO Inc.
PB-2520 MAINTENANCE Carburetor Adjustment Engine Break-In New engines must be operated a minimum duration of two tanks of fuel break-in 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 and durability performance up to 335 m (1100 ft.) above sea level (ASL) (96.0 kPa).
MAINTENANCE 3. 34 Check idle speed and reset if necessary. If a tachometer is available, idle speed screw (A) should be set to the specifications found on “Specifications” Page of this manual. Turn idle screw (A) clockwise to increase idle speed; counter clockwise to decrease idle speed. PB-2520 A X7501190003 ©10/2019 ECHO Inc.
PB-2520 TROUBLESHOOTING TROUBLESHOOTING 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.
TROUBLESHOOTING PB-2520 ENGINE PROBLEM TROUBLESHOOTING CHART Problem Check Air filter dirty Normal wear Fuel filter Fuel filter dirty Fuel vent plugged Plug dirty or worn Improper adjustment Cooling system dirty or plugged Spark arrestor screen plugged Fuel vent or Spark plug Engine does not accelerate properly Carburetor Cooling system Spark arrestor screen 36 Cause Air filter Engine runs, but dies Engine does not crank Status N/A Remedy Clean or replace Contaminants or Replace filter or
PB-2520 STORAGE STORAGE 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 PB-2520 SPECIFICATIONS MODEL PB-2520 Length 324 mm (12.8 in.) (without blower pipes) 958 mm (37.7 in.) (with blower pipes) Width 233 mm (9.2 in.) Height 355 mm (14.0 in.) Weight (dry) 3.6 kg (7.9 lb.) (without blower pipes) 3.9 kg (8.6 lb.) (with blower pipes) Engine Type Air cooled, two-stroke, single cylinder gasoline engine Bore 34.0 mm (1.34 in.) Stroke 28.0 mm (1.1 in.) Displacement 25.4 cm3 (1.55 in.
PB-2520 PRODUCT REGISTRATION PRODUCT REGISTRATION Thank you for choosing ECHO Power Equipment Please go to http://www.echo-usa.com/Warranty/Register-Your-ECHO to register your new product on-line. It's FAST and EASY! NOTE: your information will never be sold or misused by ECHO, Inc. Registering your purchase enables us to contact you in the unlikely event of a service update or product recall, and verifies your ownership for warranty consideration.
PRODUCT REGISTRATION 40 PB-2520 X7501190003 ©10/2019 ECHO Inc.
P46814001001 - P46814999999 P47115001001 - P47115999999 P47815001001 - P47815999999 ECHO, INCORPORATED 400 Oakwood Road Lake Zurich, IL 60047 www.echo-usa.
