Echo PB-755T User's Manual
Contents
1. 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 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 STICK HANDLE Provides comfortable grip for directing air flow PowER BLOWER OPERATOR S MANUAL PB 755T Locate these safety decals on your unit Make sure the decals are legible and that you understand and follow the instruc tions on them Ifa decal cannot be read a new one can be ordered from your ECHO dealer See PARTS ORDERING instructions for specific information Hot Decal near muffler P N 89016006361 General Warning Decal located on top of blower housing I P N 89016009461 Sound Label located on blower housing 74 Category Ill Measured at 50 ft 15m per ANSI B1752. HANDLE Used by operator to direct and control air flow THROTTLE TRIGGER Spring loaded to return to idle when released During acceleration press trigger gradu ally for best operating technique LOCKING KNOB Allows operator to adjust handle position for optimum comfort and control FLEXIBLE PIPE Allows for full range of movement CONTENTS PB 755H faa ja ep i ep S 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 Stick Handle 1 Bolt 6x45 1 Washer 6 1 Wing nut Echo Power Blend X 2 stroke oil sample PB 755T ee i a i 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 PowER BLOWER 11 OPERATOR S MANUAL MECH 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 755H A WARNING Never perform maintenance or assembly procedures with engine running or serious personal injury may result INSTALL B
3. MECHO Power Blower Operator s Manual MODEL PB 755H PB 755T WARNING 4h DANGER WARNING A The engine exhaust from this 27 d The muffler or catalytic muffler l and surrounding cover may become product contains chemicals known to the State of California to cause siishi 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 Read rules for safe operation and all instructions carefully ECHO provides this Op erator s Manual which must be read and understood for proper and safe operation X753002812 X7531122402 12 08 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 Introduction Maintenance The Operator s Manual Skill Levels Maintenance Intervals Manual Safety Symbols and Important Information 3 Air Filter International Symbols Fuel Filter Personal Condition and Safety Equipment Spark Plug E
4. 2 P N X508000180 9 10 MECHO AIR CLEANER Contains replaceable air filter element 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 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 CHOKE Move lever up to Cold Start d starting position and for emergency stopping Move lever down to Run position 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 FUEL TANK Contains fuel and fuel filter FUEL TANK CAP Covers and seals fuel tank BLOWER PIPES Exclusive positive locking system 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 SHOULDER HARNESS Used to support unit on operator s back The straps are adjustable
5. Throttle Lever Move throttle lever A to IDLE DETENT position PB 755T 1 Throttle Lever Stop Switch Move throttle lever A forward to idle position Slide stop switch B forward to run position PB 755H PB 755T 2 Choke Move choke C up to Cold Start position F 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 PB 755H PB 755T STARTING WARM ENGINE PB 755H 1 Throttle Lever Move throttle lever A to IDLE DETENT position PB 755T 1 Throttle Lever Stop Switch Move throttle lever A forward to idle position Slide stop switch B forward to run position PB 755H PB 755T 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 755H 1 Throttle Lever Move throttle lever A to idle detent position and allow engine to return to idle before shutting off engine 2 Move throttle lever A to O Sto
6. engine is running Moving parts may not be visible through openings A WARNING Check fuel system for leaks due to fuel 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 applicable to California models only y IMPORTANT ENGINE INFORMATION ENGINE FAMILY 7EHXS 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 E morrz conem cm 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 emis sions output meets applicable emissions regulations provided that approved maintenance procedures are followed as listed in the Maintenance Section of
7. this manual PowER BLOWER 7 OPERATOR S MANUAL DESCRIPTION PB 755H Locate these safety decals on your unit Make sure the decals are legible and that you understand and follow the instruc tions on them Ifa decal cannot be read a new one can be ordered from your ECHO dealer See PARTS ORDERING instructions for specific information 1 Hot Decal near muffler P N 89016006361 General Warning Decal located on top of blower housing AS C QN P N 89016009461 Sound Label located on blower housing 74 Category Ill Measured at 50 ft 15m per ANSI B175 2 P N X508000180 8 MECHO 10 11 12 13 14 AIR CLEANER Contains replaceable air filter element 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 gt starting position and for emergency stopping Move lever down to Run position b 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
8. 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 problems due to inadequate lubrication caused by failure to use an ISO L EGD ISO CD 13738 and JASO M345 EC 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 en gines sold in the past regardless of ratio specified in those manuals PowER BLOWER OPERATOR S MANUAL Handling Fuel A DANGER Fuel is VERY flammable Use extreme care when mixing storing or handling or serious personal injury may result Use an approved fuel container DO NOT smoke near fuel DO NOT allow flames or sparks near fuel Fuel tanks cans may be under pressure Always loosen fuel caps slowly allowing pressure to equalize NEVER refuel a unit when the engine is HOT or RUNNING DO NOT fill fuel tanks indoors ALWAYS fill fuel tanks outdoors over bare ground DO NOT overfill fuel tank Wipe up spills immediately Securely tighten fuel tank cap and close fuel container after refueling Inspect for fuel leakage If fuel leakage is found do not start or operate unit until leaka
9. 74 dB A PowER BLOWER 2 9 OPERATOR S MANUAL NOTES 30 MECHO PowER BLOWER 3 1 OPERATOR S MANUAL NOTES 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 Num ber 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 Modei Number Rtiorivricos s tdusndi Model No Type SN 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 call 1 800 432 ECHO 3246 Dealer information is also available on 1 800 432 ECHO our Web Site When presenting your unit for Warranty service repairs 1 800 432 3246 proof of purchase is required or ECHO CONSUMER PRODUCT SUPPORT www echo usa com If you require assistance or have questions concerning the applica tion operation or maintenance of this product you may call the ECHO CONSUMER PRODUCT Consumer Product Support Department at 1 800 673 1558 from 8 30 SUPPORT am to 4 30 pm Central Standard Time Monday through Friday Before calling please know the model and serial number of your unit to help 1 800 673 1 958 your Consumer Produ
10. ING 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 Wear gloves to protect hands from sharp edges and hot surfaces FUEL 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 AA warnine 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 prob lems 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 carbu retors and other engine components Fuel Requirements Gasoline Use 89 Octane R M 2 mid grade or higher gasoline known to be good quality Gasoline may contain up to 10 Ethanol grain alcohol or
11. LOWER PIPES STICK HANDLE NOTE A light lubricant may be used to ease assembly of flexible pipe to blower elbow 4 5 6 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 Assemble clamps A onto both ends of flexible pipe B Assemble swivel pipe C into flexible pipe B and tighten clamp A Assemble flexible pipe B to elbow D on blower and tighten clamp A Loosen wing nut E completely and open stick handle clamp Align notches F in handle clamp with tabs G Slide stick handle onto swivel pipe C Stick handle should be angled away from operator Position stick handle H for comfortable operation and tighten wing nut E 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 Assemble straight pipe with decal J to straight pipe T as in step 8 PowER BLOWER 1 3 OPERATOR S MANUAL PB 755T A WARNING Never perform maintenance or assembly procedures with engine running or serious personal injury may result INSTALL BLOWER PIPES 1 Place guide loop G across elbow clamp and turn until clips fully
12. ND SLASH SYMBOL This symbol means the specific action shown is prohibited Ignoring these prohi bitions can result in serious or fatal injury NOTE This enclosed message provides tips for use care and maintenance of the unit A CAUTION 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 IMPORTANT The enclosed message provides information neces sary for the protection of the unit INTERNATIONAL SYMBOLS Read and understand Operator s Manual Wear eyes ears and head protection Hot Surface Safety Alert DO NOT allow DO NOT smoke flames or sparks near fuel near fuel Finger Severing Wear hand protection Use two handed Wear slip resis tant foot wear Fuel and oil mixture Symbol Symbol Symbol form shape description application Symbol form shape description application Ignition Ignition Emergency stop ON OFF Carburetoradjustment Low speed mixture Carburetor adjustment Idle speed Primer bulb Carburetor adjustment High speed mixture Choke Control Choke Control Cold Start Run X 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 Prope
13. can occur when Air intakes are blocked preventing cooling air from reaching the cylinder 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 Cleaning Cylinder Fins 1 Remove spark plug and engine cover four screws pull cover away from engine 2 Clean cylinder fins A to allow cooling air to pass freely 3 Install engine cover and spark plug PowER BLOWER 2 3 OPERATOR S MANUAL EXHAUST SYSTEM Spark Arrestor Screen Level 2 Tools required Cross Head Screwdriver ee LL um Parts Required Spark arrestor screen Gaskets A 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 and engine cover four screws 2 Remove spark arrestor covers A gaskets B and spark arrestor screen C from muffler Replace screen if plugged with carbon deposits NOTE Wh
14. ct Support Representative 8 30 4 30 Mon Fri C S T WARRANTY REGISTRATION To ensure trouble free warranty coverage it is important that you regis ter your ECHO equipment on line at www echo usa com Other regis tration 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 Downloading free from www echo usa com Purchasing from your Echo Dealer 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 MECHO ECHO INCORPORATED 400 Oakwoop RoAD LAKE ZURICH IL 60047 H P08511001001 P08511999999 T P08611001001 P08611999999 H P10012001001 P1001299999 WWW eEcCho uUSa COM rj P10812001001 P10812999999
15. en cleaning carbon deposit be careful not to damage the cata lytic element inside muffler 3 Install spark arrestor screen and cover 4 Install spark plug and engine cover 24 MECHO Exhaust Port Cleaning Level 2 Tools required Wood or plastic scraper Cross Head Screwdriver 4 amp 5mm Hex Wrench Parts Required As needed Muffler gasket 1 Remove spark plug lead from spark plug and remove engine cover 5 screws 2 Place piston at top dead center Remove muffler A and muffler gasket B 3 Use a wood or plastic scraping tool to clean deposits from cylin der 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 muffler gasket and replace 1f damaged 5 Install muffler gasket and muffler 6 Tighten muffler mounting bolts or nuts to 80 95 in Ibf 90 110 kgf cm 7 Start engine and warm to operating temperature 8 Stop engine and re tighten mounting bolts or nuts to specifica tions 9 Install engine cover and attach spark plug lead PowER BLOWER OPERATOR S MANUAL 25 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 exha
16. engage clamp band 2 Assemble clamps A onto both ends of flexible pipe B NOTE Clamp with cable guide loop G fits elbow end of flexible pipe 3 Assemble swivel pipe C into flexible pipe B NOTE Assure throttle cable is not twisted before installing handle E 4 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 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 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 is firm Do not force connection Assemble straight pipe with decal J to straight pipe T 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 14 JED MI OPERATION A WARN
17. ent into a hook clean rag funnel and an approved fuel container Parts required Repower Tune Up Kit A DANGER Fuel is VERY flammable Use extreme care when mixing storing or handling 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 SPARK PLUG Level 1 Tools required 19mm Spark Plug deep socket Feeler gauge 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 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 Ibf PowER BLOWER OPERATOR S MANUAL 21 0 65 mm 0 026 in 22 MECHO COOLING SYSTEM Level 2 Tools required 25 50mm 1 2 in cleaning brush Cross Head Screwdriver 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 com bustion heat away from the engine Overheating and engine seizure
18. est for ignition spark by ground ing spark plug near cylinder plug hole otherwise serious personal injury may result STORAGE A WARNING PowER BLOWER 27 OPERATOR S MANUAL 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 A DANGER Do not store in enclosure where fuel fumes may ac cumulate or reach an open flame or spark Place the stop switch in the STOP position Remove accumulation of grease oil dirt and debris from exterior of unit Perform all periodic lubrication and services that are required 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 cylin der 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
19. ge is repaired 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 15 of gasoline Fuel to Oil Mix 50 1 Ratio 2 Add the proper amount of 2 stroke oil to gasoline METRIC 3 Close container and shake to mix oil with gasoline cas or oz 4 Addremaining gasoline close fuel container and remix 26 5 2 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 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 gov ernment 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 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 con tainer thoroughly before each use 16 MECHO STARTING COLD ENGINE Recoil starter Use short pulls only 1 2 2 3 of rope length for start ing Do not allow the rope to snap back in Always hold the unit firmly PB 755H 1
20. k air filter seal for tight fit with air filter case Remove air filter from case Use care to prevent dirt and debris from falling into air filter case Inspect filter element and seal Replace filter if any of these prob lems are present Air filter seal does not fit tightly against case Air filter seal is distorted worn or damaged Air filter element has holes or other damage Air filter element is saturated with dirt Air filter element is soaked with fuel mix If air filter is in good condition and can be cleaned and reused lightly brush debris from air filter element or blow filter element clean using low pressure 40 psi or less compressed air directed at inside of filter IMPORTANT When using compressed air always direct air stream at inside sur face of filter so dust and debris will be blown out of filter Keep air nozzle 6 8 inches away from filter to prevent damage to filter 7 Install air filter in case and replace cover NOTICE Actual replacement interval for air filter depends on operating con ditions Operation in dustier applications requires more frequent cleaning and replacement Continued operation with a damaged or excessively dirty filter will allow dirt and debris to enter engine and result in poor performance rapid engine wear and premature engine failure FUEL FILTER Level 1 Tools required 200 250mm 8 10 in length of wire with one end b
21. l times Do not stand on slip pery uneven or unstable surfaces Do not work in odd positions or on ladders Do not over reach Avoid Hot Surfaces Keep exhaust area clear of flammable debris Avoid contact dur ing and immediately after operation asta 5 6 MECHO EQUIPMENT CHECK A WARNING Use only ECHO approved attachments Serious injury may result from the use of a non approved attachment combi nation 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 Do not use blower if any part is missing or damaged Have repairs done only by an authorized ECHO Service dealer Do not use any attachment accessory or replacement part unless it is recommended in this Operator s Manual 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 DO NOT start or operate unit unless all guards and protective covers are properly assembled to unit NEVER reach into any opening while the
22. nce 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 LEVEL Level1 Easy to do Common tools may be required Level2 Moderate difficulty Some specialized tools may be required ECHO offers REPOWER Maintenance Kits and Parts to make your maintenance job easier MAINTENANCE INTERVALS MAINTENANCE DAILY OR COMPONENT SYSTEM PROCEDURE BEFORE USE Inspect Clean js gems Muffler Spark Arrestor PF Cylinder Exhaust Port it Recoil Starter Rope Screws Nuts Bolts 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 2 in cleaning brush Parts required Tune Up Kit NOTE Always brush dirt and debris away from air cleaner area prior to cleaning air filter I Brush dirt off air cleaner area Keep dirt away from engine and air intake grid Remove air filter cover Brush dirt from inside cover and away from edges of air filter Chec
23. or throttle position lever A Rotate throttle position lever forward for lower speed back for higher speed Use lower speed to blow dry leaves from walks patios and drives Additional speed may be necessary to clean grass and leaves from a lawn or flower bed 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 dampen ing 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 AA warnine 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 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 an ECHO Service Dealer for maintena
24. p position PB 755T 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 posi tion close choke COLD START position to stall engine Have your ECHO dealer repair stop switch before using blower again PowER BLOWER OPERATOR S MANUAL 17 PB 755H PB 755H A 18 MECHO OPERATING BLOWER AA warnine 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 blow exhaust away from your face and body A WARNING Always wear safety glasses hearing protection a face filter mask an 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 IMPORTANT To avoid engine damage due to over revving do not block blower pipe opening Use only during appropriate hours Allow the engine to warm up at a fast idle for a few minutes PB 755H Set engine speed with throttle lever A PB 755T Control engine speed with throttle trigger C
25. 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 28 MECHO SPECIFICATIONS PB 755H PB 755T 375 mm 14 8 in 485 mm 19 in 527 mm 20 8 in Weight dry PB 755H 11 8 kg 26 2 Ib Weight dry PB 755T 11 8 kg 26 2 Ib Engine Type Air cooled two stroke single cylinder gasoline engine Displacement 63 3 cc 3 86 cu in 48 0 mm 1 89 in 35 0 mm 1 38 in Carburetor Walbro w primer bulb Ignition System Flywheel Magneto capacitor discharge ignition type Spark Plug NGK BPM 8Y Gap 0 65 mm 0 026 in Exhaust System Spark Arrestor Catalytic Muffler Muffler Mixed Gasoline and Two stroke Oil 50 1 Power Blend X SO L EGD ISO CD 13738 and J A S O M345 FC FD two stroke air cooled engine oil 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 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 3200 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 6 m min 620 cu ft min Sound Level at 50 ft dB A scale per ANSI B175 2
26. quipment Cooling System Emission Control Exhaust System Description Carburetor Adjustment Contents Troubleshooting Assembly Storage Install Blower Pipes Stick Handle PB 755H 12 Specifications Servicing Information 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 2008 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 AV 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 if not avoided A WARNING The safety alert symbol accompanied by the word WARNING calls attention to an act or condi tion which CAN lead to serious personal injury or death if not avoided CIRCLE A
27. r clothing and safety gear must be worn when operating a blower 3 4 MECHO 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 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 Pants should have long legs shirts with long sleeves DO NOT WEAR SHORTS DO NOT WEAR TIES SCARVES and JEWELRY Wear sturdy work shoes with nonskid soles DO NOT WEAR OPEN TOED SHOES DO NOT OPERATE UNIT 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 abou
28. s To reduce the risk of RSI CTS do the following Avoid using your wrist in a bent extended 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 Take periodic breaks to minimize repetition and rest your hands Reduce the speed and force with which you do the repetitive movement Do exercises to strengthen the hand and arm muscles Immediately stop using all power equipment and consult a doc tor 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 prevented A 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 Provide all users of this equipment with the Operator s Manual and Safety Manual for instructions on Safe Operation Clear the Work Area 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 Take wind conditions into account avoid open doors and win dows Do not point blower at people or animals Keep a Firm Grip Hold the front and rear handles with both hands with thumbs and fingers encircling the handles Keep a Solid Stance Maintain footing and balance at al
29. t by exposure to vibration and cold Exposure to vibration and cold may cause tingling and burning sen sations followed by loss of color and numbness in the fingers The following precautions are strongly recommended because the minimum exposure which might trigger the ailment is unknown 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 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 If you experience discomfort redness and swelling of the fingers followed by whitening and loss of feeling consult your physician before further exposing yourself to cold and vibration Repetitive Stress Injuries PowER BLOWER OPERATOR S MANUAL 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 year
30. tions found on page 28 26 MECHO TROUBLESHOOTING TROUBLESHOOTING CHART Problem Status Fuel at carburetor No fuel at carburetor Fuel strainer clogged Clean or replace Fuel line clogged Clean or replace Carburetor See your Echo dealer Fuel at cylinder No fuel at cylinder See your Echo dealer Muffler wet with fuel Fuel Mixture too rich Open choke Clean replace air filter starts hard D rd doesn t ee your Echo dealer start Spark at end No spark Stop switch off Tum switch to ON of plug wire Electrical problem See your Echo dealer Interlock switch See your Echo dealer Spark at plug No spark Spark gap incorrect Adjust to 65mm 0 026 in Covered with carbon Clean or replace Fouled with fuel Clean or replace Plug defective Replace plug Fuel filter Fuel filter dirty Contaminants residues in fuel Fuel vent plugged Contaminants residues in fuel Clean or replace Engine cranks Engine runs but dies or Spark Plug Plug dirty worn Clean and adjust or replace does not properly Cooling System Cooling system Extended operation in Clean dirty plugged dirty dusty locations Spark Arrestor Screen Spark arrestor screen Normal wear Replace plugged Engine does N A N A Internal engine problem See your Echo dealer not crank Engine runs Blower pipe Pipe clogged Build up of debris blower doesn t weak uneven A DANGER Fuel vapors are extremely flammable and may cause fire and or explosion Never t
31. ust 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 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 Air filter is clean and properly installed Spark arrestor screen is free of carbon Blower pipes are installed Start engine run at idle for one minute Complete warm up by running at full throttle for 5 minutes oper ating choke twice to clear air from carburetor chambers Check idle speed and reset 1f necessary If a tachometer 1s avail able idle speed screw A should be set to the specifications found on Page 28 Specifications of this manual Turn idle screw A clockwise to increase idle speed counter clockwise to decrease idle speed Use a tachometer to adjust idle speed to specifica
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