Echo PB-755S H User's Manual
Contents
1. 63 3 cc 3 86cu in Bote 48 0mm 1 89 in Stroke 35 0mm 1 38 in Carburetor Walbro w primer bulb Ignition System Flywheel Magneto capacitor discharge ignition type Spark Plug NGK BPMR 8Y Gap 0 65 mm 0 026 in Exhaust System Spark arrestor catalytic muffler muffler Fuel Mixed Gasoline and Two stroke Oil Fuel Oil Ratio 50 1 Power Blend X ISO L EGD ISO CD 13738 andJ A S O M345 FC ED two stroke air cooled engine oil Gasoline Use 89 Octane unleaded Do not use fuel containing methyl alcohol more than 10 ethyl alcohol or 15 MTBE Do not use alternative fuels such as E 20 or E 85 Oil Power Blend X Premium Universal 2 Stroke Oil Fuel Tank Capacity 2 0 lit 67 7 US fl oz Recoil Starter System Automatic Recoil Starter Centrifugal Type Idle Speed 2400 3202. MECHO Power Blower Operator s Manual MODEL PB 755S H PB 755S T WARNING DANGER WARNING A The engine exhaust from this The muffler or catalytic muffler b and surrounding cover may become product contains chemicals known to the State of California to cause Wibi extremely hot Always keep clear of exhaust and muffler area cancer birth defects or other otherwise serious personal injury may occur reproductive harm A WARNING Readrules for safe operation and all instructions carefully ECHO provides this Operator s Manual which must be read and understood for proper and safe operation X7531122803 X753003313 01 09 2 MECHO 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 It contains specifications and information for operation starting stopping maintenance storage and assembly specific to this product TABLE OF CONTENTS Maintenance Skill Levels Maintenance Intervals Manual Safety Symbols and Important Information 3 Air Filter International Symbols Fuel Filter Personal Condition and Safety Equipment Spark Plug Equipment Cooling System Emission Control Exhaust
3. e Spark arrestor screen is free of carbon e Blower pipes are installed 1 Start engine run at idle for one minute 2 Complete warm up by running at full throttle for 5 minutes operating choke twice to clear air from carburetor chambers 3 Check idle speed and reset if necessary If a tachometer is available idle speed screw A should be set to the specifications found on Page 27 Specifications of this manual Turn idle screw A clockwise to increase idle speed counter clockwise to decrease idle speed 4 Use a tachometer to adjust idle speed to specifications found on page 27 Power BLOWER 2 5 OPERATOR S MANUAL TROUBLESHOOTING TROUBLESHOOTING CHART Promem check sims Cause Remedy Fuel strainer clogged Clean or replace Fuel at carburetor No fuel at carburetor Fuel line clogged Clean or replace Carburetor See your Echo dealer Fuel Mixture too rich Open choke Engine Fuel at cylinder Clean replace air filter cranks MUM wet witi tuei Adjust carburetor starts hard See your Echo dealer doesn t start Spark at end of plug wire No fuel at cylinder Stop switch off Turn switch to ON No spark Electrical problem See your Echo dealer Interlock switch See your Echo dealer Spark gap incorrect Adjust to 65mm 0 026 in Saaai Nosna Covered with carbon Clean or replace P ee P Fouled with fuel Clean or replace Plug defective Replace plug Air filter Air filter dirty Clean or replace Fuel filter F
4. 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 CHOKE Move lever up to Cold Start b gt starting position and for emergency stopping Move lever down to Run position 4 h PURGE BULB Pumping purge bulb before starting engine draws fresh fuel from the fuel tank purging air from the carburetor Pump purge bulb until fuel is visible and flows freely in the clear fuel tank return line Pump purge bulb an additional 4 or 5 times RECOIL STARTER HANDLE Pull recoil handle slowly until starter engages then quickly and firmly When engine starts return handle slowly DO NOT let handle snap back or damage to unit will occur FUEL TANK Contains fuel and fuel filter FUEL TANK CAP Covers and seals fuel tank AIR CLEANER Contains replaceable air filter element THROTTLE POSITION LEVER Pull back to increase engine speed Friction washers maintain throttle lever setting STOP SWITCH Slide switch mounted on top of handle Move forward to run back to stop HANDLE Used by operator to direct and control air flow SHOULDER HARNESS Used to support unit on operator s back The straps are adjustable THROTTLE TRIGGER Spring loaded to return to idle when released During acceleration press trigger gradually for best operating technique LOCKING KNOB Allows operator to adj
5. tank damage especially if the unit is dropped If damage or leaks are found do not use unit otherwise serious personal injury or property damage may occur Have unit repaired by an authorized servicing dealer before using Emission CONTROL EXHAUST amp EVAPORATIVE EPA Phase 2 C A R B TIER III The emission control system for the engine is EM TWC Engine Modification and 3 way Catalyst and for the fuel tank the Control System is EVAP Evaporative Emissions or N for nylon tank Evaporative emission may be appli cable to California models only s oBEeENT ENGINE O ENGINE FAMILY 9EHXS 0635KB DISPLACEMENT 63 3 cc EMISSION COMPLIANCE PERIOD 300 HRS THIS ENGINE MEETS U S EPA PH2 EXH AND 2007 AND LATER CALIFORNIA EXH AND EVAP EMISSION REGULA TIONS FOR S O R E REFER TO OWNER S MANUAL FOR MAINTENANCE SPECIFICATIONS AND ADJUSTMENTS KOFITZ CORP i 7 An Emission Control Label is located on the unit This is an EXAMPLE ONLY information on label varies by engine FAMILY PRODUCT EMISSION DURABILITY EMISSION COMPLIANCE PERIOD The 300 hour emission compliance period is the time span selected by the manufacturer certifying the engine emissions output meets applicable emissions regulations provided that approved maintenance procedures are followed as listed in the Maintenance Section of this manual PowerR BLOWER 7 OPERATOR S MANUAL DESCRIPTION PB 755SH Locate these safety decals on your unit Make sure the decals are
6. throttle lever A PB 755ST Control engine speed with throttle trigger C or throttle position lever A Rotate throttle position lever forward for lower speed back for higher speed 4 Use lower speed to blow dry leaves from walks patios and drives 5 Additional speed may be necessary to clean grass and leaves from a lawn or flower bed 6 Higher speed may be necessary to move gravel dirt snow bottles or cans from a driveway street parking lot or stadium NOTE Never use a higher speed setting than necessary to perform a task Remember the higher the engine speed the louder the blower noise Minimize dust by using blower at lower speeds and by dampening material with water mist when necessary Keep debris on your property Be Smart be a good neighbor Power BLOWER 1 9 OPERATOR S MANUAL MAINTENANCE A 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 Wear gloves to protect hands from sharp edges and hot surfaces Your ECHO blower is designed to provide many hours of trouble free service Regular scheduled maintenance will help your blower achieve that goal If you are unsure or are not equipped with the necessary tools you may want to take your unit to
7. worn and rounded center electrode 0 026 in 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 Ibf COOLING SYSTEM Level2 Tools required 25 50mm 1 2 in cleaning brush T Wrench 4mm Hex Wrench Parts Required None if you are careful IMPORTANT To maintain proper engine operating temperatures cooling air must pass freely through the cylinder fin area This flow of air carries combustion heat away from the engine Overheating and engine seizure can occur when e Air intakes are blocked preventing cooling air from reaching the cylinder e Dust and grass build up on the outside of the cylinder This build up insulates the engine and prevents the heat from leaving 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 Remove accumulated debris from intake grill between backpack frame and blower housing 22 MECHO Cleaning Cylinder Fins 1 Remove spark plug lead from spark plug and remove engine cover 4 screws 2 Clean cylinder fins A to allow cooling air to pass freely 3 Install engine cover and attach spark plug lead EXHAUST SYSTEM Spark Arrestor Screen Level 2 Tools r
8. 0 RPM Wide Open Throttle Speed 6800 7300 RPM Maximum Air Speed Measured at pipe end 329 9 KM H 205 mph Average Air Volume Measured at pipe end 17 6m min 620 cu ft min Sound Level at 50 ft dB A scale per ANSI B175 2 74dB A IMPORTANT This spark ignition system complies with Canadian ICES 002 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 ere i et ae SERIAL HUMBER Model No Type _ SN MRIGRITFI CORE EA SERVICE Service of this product during the warranty period must be performed DEALER by an Authorized ECHO Service Dealer For the name and address of Call the Authorized ECHO Service Dealer nearest you ask your retailer or 1 800 432 ECHO call 1 800 432 ECHO 3246 Dealer information is also available on our 1 800 432 3246 Web Site When presenting your unit for Warranty service repairs proof of purchase is required ECHO CONSUMER PRODUCT SUPPORT If you require assistance or have questions concerning the application CONSUMER PRODUCT operation or maintenance of this product you may call the ECHO Con
9. 1001 P04213999999 or www echo usa com
10. OP position 3 Remove accumulation of grease oil dirt and debris fromexterior ofunit 4 Perform all periodic lubrication and services that are required 5 Tighten all screws and nuts Drain the fuel tank completely and pull the recoil starter handle several times to remove fuel from the carburetor Remove the spark plug and pour 7cc 1 4 oz of fresh clean ECHO 2 stroke engine oil into the cylinder through the spark plug hole A Place a clean cloth over the spark plug hole B Pull the recoil starter handle 2 3 times to distribute the oil inside the engine C Observe the piston location through the spark plug hole Pull the recoil handle slowly until the piston reaches the top of its travel and leave it there Install the spark plug do not connect ignition cable Remove blower pipe assembly from unit PowerR BLOWER 27 OPERATOR S MANUAL SPECIFICATIONS MODEL 22 PB 755SH PB 755ST Length 380mm 14 9 in Width 480mm 18 9 in Height 525 mm 20 7 in Weight dry 10 3 kg 22 7 1b Engine Type Air cooled two stroke single cylinder gasoline engine Displacement
11. System Description Carburetor Adjustment Contents Troubleshooting Assembly Storage Install Blower Pipes PB 755SH Specifications Install Blower Pipes PB 755ST Servicing Information Operation Parts Serial Number Service Starting Cold Engine ECHO Consumer Product Support Starting Warm Engine Warranty Card Stopping Engine Additional or Replacement Manuals Operating Blower Specifications descriptions and illustrative material in this literature are as accurate as known at the time of publica tion but are subject to change without notice Illustrations may include optional equipment and accessories and may not include all standard equipment CopyRight 2009 By Echo Incorporated All Rights Reserved SAFETY Power BLOWER OPERATOR S MANUAL 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 AA DANGER 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 ifnot avoided 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 ifnotavoided CAUTION The safety a
12. 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 1f touched even if engine is off and blades are not moving Wear gloves to protect hands from sharp edges and hot surfaces A WARNING Operation of this equipment may create sparks that can start fires around dry vegetation This unit is equipped with a spark arrestor and a spark arrestor may be required The operator should contact local fire agencies for laws or regulations relating to fire prevention requirements NOTICE Use of unmixed improperly mixed or fuel older than 90 days stale fuel may cause hard starting poor performance or severe engine damage and void the product warranty Read and follow instructions in the Storage section of this manual FUEL A 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 Alternative fuels may also cause premature deterioration of fuel lines gaskets carburetors and other engine components Fuel Requirements Gasoline Use 89 Octane R M 2 mid grade or higher gasoline known to be good quality G
13. an ECHO Service Dealer for maintenance To help you decide whether you want to DO IT YOURSELF or have the ECHO Dealer do it each maintenance task has been graded If task is not listed see your ECHO Dealer for repairs SKILL LEVELS Level 1 Easy to do Common tools may be required Level 2 Moderate difficulty Some specialized tools may be required ECHO offers REPOWER Maintenance Kits and Parts to make your maintenance job easier MAINTENANCE INTERVALS COMPONENT SYSTEM MAINTENANCE DAILY OR on YEARLY PROCEDURE BEFORE USE REFUEL 600 HOURS InspecuCleanmRepiace 1 Mutter SparcArasior InspeciCeanfRepace 2 weve GyinderExhaustPon nspeciClean Decarton 2 ve Recoil Starter Rope __ Inspect Clean os Jus y S e Screws Nuts Bolts InspectTighten Replace a w MAINTENANCE PROCEDURE LETTER CODES INSPECT R REPLACE C CLEAN 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 All recommendations to replace are based on the finding of damage or wear during inspection 20 MECHO AIR FILTER Level 1 Tools required 25 50mm 1 21n Cleaning Brush Parts required Repower Tune Up Kit 1 Close choke Cold Start Position This prevents dirt from entering the carburetor throat wh
14. asoline may contain up to 10 Ethanol grain alcohol or 15 MTBE methyl tertiary butyl ether Gasoline containing methanol wood alcohol is NOT approved Two Stroke Oil A two stroke engine oil meeting ISO L EGD ISO CD 13738 and JASO M345 FC ED Standards must be used ECHO brand premium Power Blend X Universal 2 Stroke Oil meets these standards Engine prob lems due to inadequate lubrication caused by failure to use an ISO L EGD ISO CD 13738 and JASO M345 FC FD certified oil such as ECHO premium Power Blend X will void the two stroke engine warranty IMPORTANT Echo premium Power Blend X Universal 2 Stroke Oil may be mixed at 50 1 ratio for application in all Echo engines sold in the past regardless of ratio specified in those manuals PowerR BLOWER 1 5 OPERATOR S MANUAL Handling Fuel DANGER Fuel is VERY flammable Use extreme care when mixing storing or handling or serious personal injury may result e Use an approved fuel container e DO NOT smoke near fuel e DO NOT allow flames or sparks near fuel e Fuel tanks cans may be under pressure Always loosen fuel caps slowly allowing pressure to equalize e NEVER refuel a unit when the engine is HOT or RUNNING e DO NOT fill fuel tanks indoors ALWAYS fill fuel tanks outdoors over bare ground e DO NOT overfill fuel tank Wipe up spills immediately e Securely tighten fuel tank cap and close fuel container after refueling e Inspect for fuel leakage I
15. ed to ease assembly of flexible pipe to blower elbow NOTE Hang handle freely from blower to assure throttle cable is not twisted before installing handle E Position cable between the elbow D and frame and along the top of the flexible pipe Loosen knob H on handle E Align notch in handle with tabs F Install onto swivel pipe C past long ridges in pipe Assemble swivel pipe C into flexible pipe B and tighten clamp A Clip throttle cable into throttle cable guide loop G Move handle E to desired position Tighten knob H hand tight Assemble straight pipe I onto swivel pipe C until you feel light resistance Do not force connection Hold swivel pipe and turn straight pipe clockwise engaging positive locking channels until connection 1s firm Do not force connection Assemble straight pipe with decal J to straight pipe I as in step 8 NOTE Blower use will eventually loosen pipe connections Exclusive positive locking system allows pipes to be tightened If loosening occurs remove two straight pipes and install according to instruc tions 8 amp 9 PowerR BLOWER OPERATOR S MANUAL l Lidahabital lPUPUPtrorererererely trys 13 14 MECHO OPERATION A 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
16. en 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 itis damaged fuel soaked very dirty or the rubber sealing aai edges are deformed EIEN HH PHN 4 If filter can be reused be certain it Het e Fits tightly in the air filter cavity e Is installed with the original side out 5 Install air filter cover FUEL FILTER Level 1 Tools required 200 250mm 8 10 in length of wire with one end bent into a hook clean rag funnel and an approved fuel container Parts required Repower Tune Up Kit DANGER Fuelis VERY flammable Use extreme care when mixing storing or handling or serious personal injury may result 1 Use a clean rag to remove loose dirt from around fuel cap and empty fuel tank 2 Use the fuel line hook to pull the fuel line and filter from the tank 3 Remove the filter from the line and install the new filter PowerR BLOWER 21 OPERATOR S MANUAL SPARK PLUG Level2 Tools Required T Wrench combination socket wrench amp screw driver supplied with unit Feeler gauge preferably a wire gauge Soft Metal Brush Parts Required Repower 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
17. equired Cross Head Screwdriver Parts Required Spark arrestor screen Gaskets WARNING Do not perform maintenance on engine or muffler until engine and muffler are completely cool otherwise serious personal injury may result IMPORTANT Carbon deposits in muffler will cause a drop in engine output and overheating Spark arrestor screen must be checked periodically 1 Remove spark plug lead from spark plug and remove engine cover 4 screws 2 Remove spark arrestor covers A gaskets B and spark arrestor screen C from muffler Replace screen if plugged with carbon deposits NOTE When cleaning carbon deposit be careful not to damage the catalytic element inside muffler 3 Install spark arrestor screen and cover 4 Install engine cover and attach spark plug lead PowerR BLOWER 23 OPERATOR S MANUAL Exhaust Port Cleaning Level 2 Tools required Wood or plastic scraper 4 amp 5mm Hex Wrench Parts Required As needed Heat Shield 1 Remove spark plug lead from spark plug and remove engine cover 4 screws 2 Place piston at top dead center Remove muffler A and heat shield B 3 Use a wood or plastic scraping tool to clean deposits from cylinder exhaust port IMPORTANT Never use a metal tool to scrape carbon from the exhaust port Do not scratch the cylinder or piston when cleaning the exhaust port Do not allow carbon particles to enter the cylinder 4 Inspect heat shield a
18. f fuel leakage is found do not start or operate unit until leakage is repaired e Move at least 3m 10 ft from refueling location before starting the engine Mixing Instructions 1 Fill an approved fuel container with half of the required amount of eee pacolinie Fuel to Oil Mix 50 1 Ratio METRIC 2 Add the proper amount of 2 stroke oil to gasoline Mas a as Ta 3 Close container and shake to mix oil with gasoline 80 4 Add remaining gasoline close fuel container and remix i 13 20 IMPORTANT Spilled fuel is a leading cause of hydrocarbon emissions Some states may require the use of automatic fuel shut off containers to reduce fuel spillage Shoulder After use level e 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 unoccu pied building away from sparks and flames IMPORTANT Stored fuel ages Do not mix more fuel than you expect to use in thirty 30 days ninety 90 days when a fuel stabilizer is added IMPORTANT Stored two stroke fuel may separate ALWAYS shake fuel container thoroughly before each use 16 MECHO STARTING COLD ENGINE e Recoil starter Use short pulls only 1 2 2 3 of rope length for starting Do n
19. fuel filter FUEL TANK CAP Covers and seals fuel tank AIR CLEANER Contains replaceable air filter element HANDLE Rotates downward for throttle control access Spring loaded for flexible operation BLOWER PIPES Exclusive positive locking system SHOULDER HARNESS Used to support unit on operator s back The straps are adjustable THROTTLE POSITION LEVER STOP SWITCH Combination stop switch and variable speed throttle lever When the lever is moved all the way forward the blower is at Wide Open Throttle W O T When the lever is moved rearward to detent the blower is at idle When the lever is moved rearward past the idle detent the blower will Stop PowerR BLOWER OPERATOR S MANUAL PB 755ST Locate these safety decals on your unit Make sure the decals are legible and that you understand and follow the instructions on them Ifa decal cannot be read a new one can be ordered from your ECHO dealer See PARTS ORDER ING instructions for specific information 11 Hot Decal near muffler 12 _ 10 P N X505002310 16 General Warning Decal located on Sound Label located on blower blower housing housing Category III Measured at 50 ft 15m per ANSI B175 2 P N 89016009461 P N X508000180 9 10 MECHO 10 11 12 13 14 15 16 17 SPARK PLUG Provides spark to ignite fuel mixture SAFETY DECAL Lists important safety precautions SPARK ARRESTOR CATALYTIC MUFFLER MUFFLER The
20. ing sensations followed by loss of color and numbness in the fingers The following precautions are strongly recom mended because the minimum exposure which might trigger the ailment is unknown e Keep your body warm especially the head neck feet ankles hands and wrists Maintain good blood circulation by performing vigorous arm exercises during frequent work breaks and also by not smoking e Limit the hours of operation Try to fill each day with jobs where operating the unit or other hand held power equipment is not required e If you experience discomfort redness and swelling of the fingers followed by whitening and loss of feeling consult your physi cian before further exposing yourself to cold and vibration PowerR 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 Some believe that prolonged exposure to vibration may contribute to CTS CTS can cause severe pain for months or even years To reduce the risk of RSI CTS do the following e Avoid using your wrist in a bent exte
21. l Condition Your judgment and physical dexterity may not be good e if you are tired or sick e if you are taking medication e 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 Breathing Protection Wear a facemask to protect against dust Hearing Protection ECHO recommends wearing hearing protection whenever unit is used Proper Clothing Wear snug fitting durable clothing e Pants should have long legs shirts with long sleeves e DONOT WEAR SHORTS e DONOT WEAR TIES SCARVES and JEWELRY Wear sturdy work shoes with nonskid soles DONOT WEAR OPEN TOED SHOES e DONOTOPERATEUNIT BAREFOOTED Keep long hair away from engine and blower intake Retain hair with cap or net Hot Humid Weather 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 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 burn
22. legible and that you understand and follow the instructions on them Ifa decal cannot be read a new one can be ordered from your ECHO dealer See PARTS ORDER ING instructions for specific information Hot Decal near muffler P N X505002310 General Warning Decal located on blower housing AOON P N 89016009461 Sound Label located on blower housing 743 Category Ill Measured at 50 ft 15m per ANSI B175 2 P N X508000180 8 MECHO 10 11 12 13 SPARK PLUG Provides spark to ignite fuel mixture SAFETY DECAL Lists important safety precautions 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 CHOKE Move lever up to Cold Start b gt starting position and for emergency stopping Move lever down to Run position 4 h PURGE BULB Pumping purge bulb before starting engine draws fresh fuel from the fuel tank purging air from the carburetor Pump purge bulb until fuel is visible and flows freely in the clear fuel tank return line Pump purge bulb an additional 4 or 5 times RECOIL STARTER HANDLE Pull recoil handle slowly until starter engages then quickly and firmly When engine starts return handle slowly DO NOT let handle snap back or damage to unit will occur FUEL TANK Contains fuel and
23. lert symbol accompanied by the word CAUTION calls attention to an act or condition which may lead to minor or moderate personal injury ifnotavoided ikli usd SYMBOLS Read and understand Operator s Manual Wear eyes ears and head protection Wear slip Safety Alert resistant foot wear DO NOT allow DO NOT smoke flames or sparks near fuel near fuel Fuel and oil mixture Finger Severing Wear hand protection Use two handed CIRCLE AND SLASH SYMBOL This symbol means the specific action shown is prohibited Ignoring these prohibitions can result in serious or fatal injury NOTE This enclosed message provides tips for use care and maintenance of the unit IMPORTANT The enclosed message provides information necessary for the protection of the unit Symbol Symbol Symbol form shape description application Symbol form shape description application Ignition Emergency stop ON OFF Carburetor adjustment Low speed mixture Primer bulb Carburetor adjustment Carburetor adjustment Idle speed High speed mixture Choke Control Choke Control Cold Start Run Position Position Choke Closed Choke Open PERSONAL CONDITION AND SAFETY EQUIPMENT A WARNING Power Blower users risk injury to themselves and others if the power blower is used improperly or safety precautions are not followed Proper clothing and safety gear must be worn when operating a blower 3 4 MECHO Physica
24. nd replace if damaged 5 Install heat shield and muffler 6 Tighten muffler mounting bolts or nuts to 95 130 inelbf 110 150 kgfecm 7 Install engine cover and attach spark plug lead 8 Start engine and warm to operating temperature 9 Stop engine and re tighten mounting bolts to specifications 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 emission and durability performance up to 1 100 feet mean sea level MSL 96 0 kPa and below To maintain proper engine operation and emission compliance above 1 100 feet MSL the carburetor may need to be adjusted by an authorized ECHO service dealer IMPORTANT If the engine is adjusted for operation above 1 100 feet MSL the carburetor must be re adjusted when operating the engine below 1 100 feet MSL otherwise severe engine damage can result 24 MECHO Level 2 Tools required Screwdriver tachometer Echo P N 99051130017 Parts required None NOTE Do not adjust carburetor unless necessary If you have difficulty see your ECHO dealer Before Adjustment Check that e Air filter is clean and properly installed
25. nded or twisted position Instead try to maintain a straight wrist position Also when grasping use your whole hand not just the thumb and index finger e Take periodic breaks to minimize repetition and rest your hands e Reduce the speed and force with which you do the repetitive movement e Do exercises to strengthen the hand and arm muscles e Immediately stop using all power equipment and consult a doctor if you feel tingling numbness or pain in the fingers hands wrists or arms The sooner RSI CTS is diagnosed the more likely permanent nerve and muscle damage can be pre vented DANGER 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 Manuals e Provide all users of this equipment with the Operator s Manual and Safety Manual for instructions on Safe Operation Clear the Work Area e Spectators and fellow workers must be warned and children and animals prevented from coming nearer than 15 m 50 ft while the unit is in use e Take wind conditions into account avoid open doors and windows e Do not point blower at people or animals Keep a Firm Grip e Hold the front and rear handles with both hands with thumbs and fingers encircling the handles Keep a Solid Stance e Maintain footing and balance at all times Do not stand on slippery uneven or unstable surfaces Do not work in odd po
26. ot allow the rope to snap back in Always hold the unit firmly PB 755SH PB 755SH 1 Throttle Lever Move throttle lever A to IDLE DETENT position PB 755ST 1 Throttle Lever Stop Switch Move throttle lever A forward to idle position Slide stop switch B forward to run position PB 755ST PB 755SH PB 755ST 2 Choke Move choke C up to Cold Start position e 3 Purge Bulb Pump purge bulb D until fuel is visible and flows freely in the clear fuel tank return line Pump bulb an additional 4 or 5 times 4 Recoil Starter Pull recoil starter handle E until engine fires 5 or 6 pulls maxi mum 5 Choke Move choke C down to run position and if necessary restart engine NOTE If engine does not start after 5 pulls move choke to Cold Start position and repeat steps 4 amp 5 NOTE Allow engine to warm up before use STARTING WARM ENGINE PB 755SH 1 Throttle Lever Move throttle lever A to IDLE DETENT position PB 755ST 1 Throttle Lever Stop Switch Move throttle lever A forward to idle position Slide stop switch B forward to run position PB 755SH PB 755ST 2 Recoil Starter Pull recoil starter handle E and engine should start Do not use choke C NOTE If engine does not start after 5 pulls use cold start procedures STOPPING ENGINE PB 755SH 1 Throttle Lever Move throttle lever A to idle detent position and allow engine to return to idle befo
27. ower and tighten clamp A NOTE A light lubricant may be used to ease assembly of flexible pipe to blower elbow 4 Loosen wing nut E completely and open stick handle clamp 5 Align notches F in handle clamp with tabs G 6 Slide stick handle onto swivel pipe C Stick handle should be angled away from operator 7 Position stick handle H for comfortable operation and tighten wing nut E 8 Assemble straight pipe I onto swivel pipe C until you feel light resistance Do not force connection Hold swivel pipe and turn straight pipe clockwise engaging positive locking channels until connection is firm Do not force connection 9 Assemble straight pipe with decal J to straight pipe I as in step 8 NOTE Blower use will eventually loosen pipe connections Exclusive positive locking system allows pipes to be tightened If loosening occurs remove two straight pipes and install according to instructions 8 amp 9 PB 755ST WARNING Never perform maintenance or assembly procedures with engine running or serious personal injury may result L INSTALL BLOWER PIPES T Place guide loop G across large clamp and turn until clip fully engages clamp band Assemble clamps A onto both ends of flexible pipe B Assemble flexible pipe B to elbow D on blower Position guide loop G on inside blower side of flexible tube and tighten clamp A NOTE A light lubricant may be us
28. re shutting off engine 2 Move throttle lever A to O Stop position PB 755ST 1 Throttle Trigger Throttle Position Lever Release throttle trigger C Move throttle position lever A forward to idle position and allow engine to return to idle before shutting engine off 2 Stop Switch Slide stop switch B to Stop position A WARNING If engine does not stop when stop switch is moved to STOP position close choke COLD START position to stall engine Have your ECHO dealer repair stop switch before using blower again PowerR BLOWER 1 7 OPERATOR S MANUAL PB 755SH PB 755ST A PB 755SH PB 755ST 18 MECHO 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 Read the Safety Section on pages 4 6 carefully PB 755SH IMPORTANT To avoid engine damage due to over revving do not block blower pipe opening 1 Use only during appropriate hours PB 755ST 2 Allow the engine to warm up at a fast idle for a few minutes A 3 PB 755SH Set engine speed with
29. sitions or on ladders Do not over reach Avoid Hot Surfaces e Keep exhaust area clear of flammable debris Avoid contact during and immediately after operation 5 6 MECHO 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 e Check unit for loose missing nuts bolts and screws Tighten and or replace as needed e Do not use blower if any part is missing or damaged e Have repairs done only by an authorized ECHO Service dealer e Do not use any attachment accessory or replacement part unless it is recommended in this Operator s Manual WARNING Moving parts can amputate fingers or cause severe injuries Keep hands clothing and loose objects away from all openings e 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 e DO NOT start or operate unit unless all guards and protective covers are properly assembled to unit e NEVER reach into any opening while the engine is running Moving parts may not be visible through openings A WARNING Check fuel system for leaks due to fuel
30. sumer Product Support Department at 1 800 673 1558 from 8 30 am SUPPORT to 4 30 pm Central Standard Time Monday through Friday Before 1 800 673 1558 calling please know the model and serial number of your unit to help i i your Consumer Product Support Representative 8 30 4 30 Mon Fri C S T WARRANTY REGISTRATION To ensure trouble free warranty coverage it is important that you register your ECHO equipment on line at www echo usa com Other registration options are by automated phone at 1 800 432 3246 or by filling out the warranty registration card supplied with your unit Registering your product confirms your warranty coverage and provides a direct link between you and ECHO if we find it necessary to contact you ADDITIONAL OR REPLACEMENT MANUALS Safety Manuals in English Spanish or English French are available free of charge from your ECHO dealer or at www echo usa com Operator s and Parts Manuals are available by e Downloading free from www echo usa com e Purchasing from your Echo Dealer e Manuals are available by sending a written request stating the model number and serial number of your Echo unit part number of the manual your name and address and mail to the address below Safety Videos are available from your Echo dealer A 5 00 shipping charge will be required for each video MEGHO ECHO INCORPORATED 400 Oakwoop Roab LAKE ZURICH IL 60047 H P04513001001 P04513999999 www echo usa com T P0421300
31. uel filter dirty e in Contaminants residues in Clean or replace l Fuel vent Fuel vent plugged Engine runs fuel but dies or l does not Spark Plug Plug dirty worn Clean and adjust or replace accelerate easing Svetem Cooling system Extended operation in J gt Y dirty plugged dirty dusty locations Spark Arrestor Spark arrestor Normal wear Replace Screen screen plugged ene EOSS N A N A Internal engine problem See your Echo dealer not crank Engine runs Pipe clogged Build up of debris Unclog blower or is weak uneven Pipe damaged Replace DANGER 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 26 MECHO 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 mainte nance which includes the following 1 Store unit in a dry dust free place out of the reach of children DANGER Do not store in enclosure where fuel fumes may accumulate or reach an open flame or spark 2 Place the stop switch in the ST
32. ust handle position for optimum comfort and control BLOWER PIPES Exclusive positive locking system FLEXIBLE PIPE Allows for full range of movement CONTENTS PB 755S H p p p p p p p en Power Head Flex Pipe Pipe w swivel Straight Pipe Straight Pipe Operator s Manual Warranty Registration Card ECHO Emissions and Warranty Statement Plastic Bag 2 Clamps w screws Stick Handle Bolt 6x45 Washer 6 Wing Nut Echo Power Blend X 2 stroke oil sample PB 755S T pd ee p p p p p p Power Head Flex Pipe Pipe w swivel Straight Pipe Straight Pipe Operator s Manual Warranty Registration Card ECHO Emissions and Warranty Statement Plastic Bag 2 Clamps w screws 1 Guide Loop Echo Power Blend X 2 stroke oil sample PowerR BLOWER OPERATOR S MANUAL MECHO ECHO INCORPORATED EMISSIONS AND WARRANTY STATEMENTS FOR CALIFORNIA EMISSION MODELS MECHO ECHO INCORPORATED EMISSIONS AND WARRANTY STATEMENTS FOR CALIFORNIA EMISSION MODELS 12 MECHO ASSEMBLY PB 755SH A WARNING Never perform maintenance or assembly procedures with engine running or serious personal injury may result wien LIEIL Iil POETS ENES d INSTALL BLOWER PIPES STICK HANDLE H 1 Assemble clamps A onto both ends of flexible pipe B 2 Assemble swivel pipe C into flexible pipe B and tighten clamp A 3 Assemble flexible pipe B to elbow D on bl
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