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Echo PB-770 H/T Operator's Manual

Summary of PB-770 H/T

  • Page 1

    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. Operator’s manual x753112...

  • Page 2: Table of Contents

    2 x7531123904 © 4/2013 echo inc. Table of contents pb-770 h/t table of contents table of contents ............................................................................................................................... 2 introduction ..............................................................

  • Page 3: Introduction

    Pb-770 h/t introduction x7531123904 3 © 4/2013 echo inc. 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 sa...

  • Page 4: Safety

    4 x7531123904 © 4/2013 echo inc. Safety pb-770 h/t safety manual safety symbols and important information throughout this manual and on the product itself, you will find safety alerts and helpful, informational messages preceded by symbols or key words. The following is an explanation of those symbo...

  • Page 5

    Pb-770 h/t safety x7531123904 5 © 4/2013 echo inc. Personal condition and safety equipment 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. Physical ...

  • Page 6

    6 x7531123904 © 4/2013 echo inc. Safety pb-770 h/t the ignition components of this machine generate an electromagnetic field during operation which may interfere with some pacemakers. To reduce the risk of serious or fatal injury, persons with pacemakers should consult with their physician and the p...

  • Page 7

    Pb-770 h/t safety x7531123904 7 © 4/2013 echo inc. 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 the operator’s manual for instruct...

  • Page 8

    8 x7531123904 © 4/2013 echo inc. Emission control (exhaust & evaporative) pb-770 h/t 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 c...

  • Page 9: Description

    Pb-770 h/t description x7531123904 9 © 4/2013 echo inc. Description pb-770 h 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. See parts orde...

  • Page 10

    10 x7531123904 © 4/2013 echo inc. Description pb-770 h/t 1. Spark plug - provides spark to ignite fuel mixture. 2. Safety decal - lists important safety precautions. 3. Spark arrestor - catalytic muffler / muffler - the muffler or catalytic muffler controls exhaust noise and emission. The spark arre...

  • Page 11

    Pb-770 h/t description x7531123904 11 © 4/2013 echo inc. Pb-770 t 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. See parts ordering instru...

  • Page 12

    12 x7531123904 © 4/2013 echo inc. Description pb-770 h/t 1. Spark plug - provides spark to ignite fuel mixture. 2. Safety decal - lists important safety precautions. 3. Spark arrestor - catalytic muffler / muffler - the muffler or catalytic muffler controls exhaust noise and emission. The spark arre...

  • Page 13: Contents

    Pb-770 h/t contents x7531123904 13 © 4/2013 echo inc. Contents after opening the carton, check for damage. Immediately notify your retailer or echo dealer of damaged or missing parts. Use the contents list to check for missing parts. Pb-770 h ____ 1 - power head ____ 1 - flex pipe ____ 1 - pipe w/sw...

  • Page 14: Assembly

    14 x7531123904 © 4/2013 echo inc. Assembly pb-770 h/t assembly pb-770 h never perform maintenance or assembly procedures with engine running or serious personal injury may result. Install blower pipes/stick handle 1. Assemble clamps (a) onto both ends of flexible pipe (b). 2. Assemble swivel pipe (c...

  • Page 15

    Pb-770 h/t assembly x7531123904 15 © 4/2013 echo inc. 8. Assemble straight pipe (j) 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...

  • Page 16

    16 x7531123904 © 4/2013 echo inc. Assembly pb-770 h/t 6. Assemble flexible pipe (b) to elbow (d) on blower. Position guide loop (g) on outside of flexible pipe (away from blower) and tighten clamp (a). Note: a light lubricant may be used to ease assembly of flexible pipe to blower elbow. 7. Clip thr...

  • Page 17: Operation

    Pb-770 h/t operation x7531123904 17 © 4/2013 echo inc. 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 re...

  • Page 18

    18 x7531123904 © 4/2013 echo inc. Operation pb-770 h/t • 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. •...

  • Page 19

    Pb-770 h/t operation x7531123904 19 © 4/2013 echo inc. Starting cold engine • recoil starter: use short pulls - only 1/2-2/3 of rope length for starting. Do not allow the rope to snap back in. Always hold the unit firmly. • (pb-770h): rotate spring loaded throttle arm downward to a comfortable opera...

  • Page 20

    20 x7531123904 © 4/2013 echo inc. Operation pb-770 h/t starting warm engine the starting procedure is the same as cold start except do not close the choke. - pb-770 h 1. Throttle lever move throttle position lever (a) to idle detent positions. - pb-770 t 1. Throttle position / stop switch button sli...

  • Page 21

    Pb-770 h/t operation x7531123904 21 © 4/2013 echo inc. Operating blower 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 fro...

  • Page 22

    22 x7531123904 © 4/2013 echo inc. Operation pb-770 h/t cold weather operation: 1. Remove back cushion (a) from frame. 2. Install intake cover (b) on frame over air intake. 3. Install back cushion (a) to frame over intake cover. Note: blower performance may be reduced slightly. A b.

  • Page 23: Maintenance

    Pb-770 h/t maintenance x7531123904 23 © 4/2013 echo inc. Maintenance 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 befor...

  • Page 24

    24 x7531123904 © 4/2013 echo inc. Maintenance pb-770 h/t air filter level 1. 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, air filter, retainer, an...

  • Page 25

    Pb-770 h/t maintenance x7531123904 25 © 4/2013 echo inc. Spark plug level 2. 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...

  • Page 26

    26 x7531123904 © 4/2013 echo inc. Maintenance pb-770 h/t cleaning cylinder fins 1. Disconnect spark plug lead from spark plug. 2. Remove air filter cover. 3. Remove engine cover 4. Clean cylinder fins (a) to allow cooling air to pass freely 5. Install engine cover 6. Install air filter cover. 7. Con...

  • Page 27

    Pb-770 h/t maintenance x7531123904 27 © 4/2013 echo inc. 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 if damaged. 5. Ins...

  • Page 28

    28 x7531123904 © 4/2013 echo inc. Maintenance pb-770 h/t 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, ...

  • Page 29: Troubleshooting

    Pb-770 h/t troubleshooting x7531123904 29 © 4/2013 echo inc. 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. Engine problem troublesho...

  • Page 30: Storage

    30 x7531123904 © 4/2013 echo inc. Storage pb-770 h/t 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. ...

  • Page 31: Specifications

    Pb-770 h/t specifications x7531123904 31 © 4/2013 echo inc. Specifications model pb-770h, pb-770t length 770h 375mm (14.8 in.) (w/o pipes) length 770t 375mm (14.8 in.) (w/o pipes) width 770h 535 mm (21.1 in.) width 770t 490 mm (19.3 in.) height 770h 475 mm (18.7 in.) height 770t 475 mm (18.7 in.) we...

  • Page 32: Warranty Statements

    32 x7531123904 © 4/2013 echo inc. Warranty statements pb-770 h/t warranty statements echo limited warranty statement for product sold in usa and canada beginning 01/01/2010 echo's responsibility echo incorporated’s limited warranty, provides to the original purchaser that this echo product is free f...

  • Page 33

    Pb-770 h/t warranty statements x7531123904 33 © 4/2013 echo inc. Purchased repair parts, short blocks and accessories &gj** &^j* attention two-stroke engine power product owners this echo two-stroke engine power product is a quality-engineered unit which has been manufactured to exact tolerances to ...

  • Page 34: Notes

    34 x7531123904 © 4/2013 echo inc. Notes pb-770 h/t notes.

  • Page 35

    Pb-770 h/t notes x7531123904 35 © 4/2013 echo inc..

  • Page 36

    36 (h) p05211001001/p05211999999 (h) p02912001001/p02912999999 (t) p05311001001/p05311999999 (t) p03012001001/p03012999999.