Echo PB-770 H/T Operator's Manual
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Echo PB-770 H/T Operator's Manual

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X7722271404 / X772000164
Operator's Manual
The muffler or catalytic muffler and surrounding cover may become extremely hot.
Always keep clear of exhaust and muffler area, otherwise serious personal injury may
occur.
The engine exhaust from this product contains chemicals known to the State of California to cause
cancer, birth defects or other reproductive harm.
Users of this equipment risk injury to themselves and others if the unit is used
improperly and/or safety precautions are not followed. ECHO provides an operator's
manual. It must be read and understood for proper and safe operation. Failure to do so
could result in serious injury.
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.
X7531123904
© 4/2013 ECHO Inc.
PB-770 H/T
Power Blower
Burn Hazard

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Summary of Contents for Echo PB-770 H/T

  • Page 1 Users of this equipment risk injury to themselves and others if the unit is used improperly and/or safety precautions are not followed. ECHO provides an operator’s manual. It must be read and understood for proper and safe operation. Failure to do so could result in serious injury.

  • Page 2: Table Of Contents

    The Operator’s Manual ........................ 3 Servicing information ......................... 3 Parts/Serial Number........................3 Service ............................3 Echo Consumer Product Support ....................3 Warranty Registration ........................3 Additional or Replacement Manuals .................... 3 Safety..............................4 Manual Safety Symbols and Important Information ..............4 International Symbols ........................

  • Page 3: Introduction

    Service of this product during the warranty period must be performed by an Authorized ECHO Service Dealer. For the name and address of the Authorized ECHO Service Dealer nearest you, ask your retailer or call: 1-800-432-ECHO (3246). Dealer information is also available on our Web Site. When presenting your unit for Warranty service/repairs, proof of purchase is required.

  • Page 4: Safety

    Primer Bulb Use two near fuel ON / OFF handed Choke Control “Cold Start” Choke Control DO NOT allow Wear slip Position “Run” Position flames or resistant (Choke (Choke Open) sparks near fuel footwear Closed) X7531123904 © 4/2013 ECHO Inc.

  • Page 5: Personal Condition And Safety Equipment

    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.
  • Page 6 ECHO does not recommend the use of ECHO products by anyone who has a pacemaker.

  • Page 7: Equipment

    Equipment 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.

  • Page 8: Emission Control (Exhaust & Evaporative)

    The 50 or 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. X7531123904 © 4/2013 ECHO Inc.

  • Page 9: Description

    Locate the safety decal(s) on your unit. Make sure the decal(s) is legible and that you understand and follow the instructions on it. If a decal cannot be read, a new one can be ordered from your ECHO dealer. See PARTS ORDERING instructions for specific information.
  • Page 10 12. HANDLE - Rotates downward for throttle control access. Spring loaded for flexible operation. 13. STICK HANDLE - Provides comfortable grip for directing air flow. 14. BLOWER PIPES - Exclusive positive locking system. FLEXIBLE PIPE - Allows for full range of movement X7531123904 © 4/2013 ECHO Inc.
  • Page 11 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 instructions for specific information.
  • Page 12 14. LOCKING KNOB - Allows operator to adjust handle position for optimum comfort and control. 15. BLOWER PIPES - Exclusive positive locking system. 16. FLEXIBLE PIPE - Allows for full range of movement. X7531123904 © 4/2013 ECHO Inc.

  • Page 13: Contents

    PB-770 H/T CONTENTS 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...

  • Page 14: Assembly

    7. Position stick handle (F) over metal plate on swivel pipe and adjust for comfortable operation. Tighten wing nut (E). Note: Ground lead of stick handle must contact metal plate on swivel pipe. X7531123904 © 4/2013 ECHO Inc.

  • Page 15: Install Blower Pipes

    (E). 4. Loosen knob (H) on handle (E). Align notch in handle with tabs (F). Install onto swivel pipe (C) past long ridges in pipe. 5. Insert anti-static wire through flexible pipe (B). X7531123904 © 4/2013 ECHO Inc.
  • Page 16 10. Assemble straight pipe with decal (J) to straight pipe (I) as in step 9. 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 9 &10. X7531123904 © 4/2013 ECHO Inc.

  • Page 17: Operation

    Fuel Alternative fuels, such as E-15 (15% ethanol), E-85 (85% ethanol) or any fuels not meeting ECHO requirements are NOT approved for use in ECHO 2-stroke gasoline engines. Use of 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.
  • Page 18 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. Stored two-stroke fuel may separate. ALWAYS shake fuel container thoroughly before each use. X7531123904 © 4/2013 ECHO Inc.

  • Page 19: Starting Cold Engine

    4 & 5. 6. Throttle Lever Allow engine to warm up for several minutes before use. 7. Throttle Lever After engine warm-up, move throttle lever gradually to increase engine RPM to desired operating speed. X7531123904 © 4/2013 ECHO Inc.

  • Page 20: Starting Warm Engine

    Move Throttle Position / Stop Switch Button (A) all the way forward to STOP position. 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. X7531123904...

  • Page 21: Operating Blower

    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. Keep debris on your property. Be Smart - be a good neighbor. X7531123904 © 4/2013 ECHO Inc.
  • Page 22 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. X7531123904 © 4/2013 ECHO Inc.

  • Page 23: Maintenance

    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 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.

  • Page 24: Air Filter

    When servicing model year 2012 and later equipment, only fuel supply hoses certified by EPA can be used to replace the original equipment supply hose. Fines up to $37,500 may be enforced for using an un-certified replacement part. X7531123904 © 4/2013 ECHO Inc.

  • Page 25: Spark Plug

    Removal of cooling passage blockages or cleaning of cooling fins is considered “Normal Maintenance.” Any failure attributed to lack of maintenance is not warranted. Cleaning Grill 1. Brush accumulated debris from intake grill between backpack frame and blower housing. X7531123904 © 4/2013 ECHO Inc.

  • Page 26: Exhaust Port Cleaning

    1. Remove spark plug lead from spark plug, and remove engine cover. 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 cylinder exhaust port. X7531123904 © 4/2013 ECHO Inc.

  • Page 27: Carburetor Adjustment

    This engine has been factory adjusted to maintain satisfactory starting, emission, and durability performance up to 1,100 feet above sea level (ASL) (96.0 kPa). To maintain proper engine operation and emission compliance above 1,100 feet ASL the carburetor may need to be adjusted by an authorized ECHO service dealer.

  • Page 28: Engine Maintenance

    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 "Specifications" Page of this manual. Turn idle screw (A) clockwise to increase idle speed; counter clockwise to decrease idle speed. X7531123904 © 4/2013 ECHO Inc.

  • Page 29: Troubleshooting

    Fuel strainer clogged Clean or replace Fuel at carburetor No fuel at carburetor Fuel line clogged Clean or replace Carburetor See your Echo dealer No fuel at cylinder Carburetor See your Echo dealer Open choke Fuel at cylinder Clean/replace air filter...

  • Page 30: Storage

    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. 8. Install the spark plug (do not connect ignition cable). 9. Remove blower pipe assembly from unit. X7531123904 © 4/2013 ECHO Inc.

  • Page 31: Specifications

    Average Air Speed w/pipes (MPH) 87.62 m/sec (196 mph) Maximum Air Speed w/pipes (MPH) 104.61 m/sec (234 mph) Air Volume 21.41 m3/min. (756 cu. ft./min.) Sound Level at 50 ft. dB(A) scale per 73 dB(A) ANSI B175.265 dB(A) X7531123904 © 4/2013 ECHO Inc.

  • Page 32: Warranty Statements

    PRODUCT SOLD IN USA AND CANADA BEGINNING 01/01/2010 ECHO'S RESPONSIBILITY THIS LIMITED WARRANTY IS ONLY APPLICABLE TO ECHO PRODUCTS SOLD BY AUTHORIZED ECHO DEALERS. IT IS EXTENDED TO THE ORIGINAL PURCHASER ONLY, AND IS NOT TRANSFERABLE TO SUBSEQUENT OWNERS EXCEPT FOR EMISSION RELATED PARTS. 1-800-432-ECHO.
  • Page 33 PURCHASED REPAIR PARTS, SHORT BLOCKS AND ACCESSORIES ATTENTION TWO-STROKE ENGINE POWER PRODUCT OWNERS (&+2 3RZHU %OHQGŒ 7ZR6WURNH 2LO THIS WARRANTY DOES NOT COVER DAMAGE CAUSED BY: PD[LPXP ® DISCLAIMER OF IMPLIED WARRANTIES MERCHANTABILITY 99922201032 11/18/2011 X7531123904 © 4/2013 ECHO Inc.

  • Page 34: Notes

    NOTES PB-770 H/T NOTES X7531123904 © 4/2013 ECHO Inc.
  • Page 35 PB-770 H/T NOTES X7531123904 © 4/2013 ECHO Inc.
  • Page 36 (T) P05311001001/P05311999999 (H) P05211001001/P05211999999 (T) P03012001001/P03012999999 (H) P02912001001/P02912999999...

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