Echo PB-770 H Operator's Manual
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Echo PB-770 H Operator's Manual

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PB-770 H/T
Power Blower
The engine exhaust from this product contains chemicals
known to the State of California to cause cancer, birth defects,
or other reproductive harm.
Read and understand all provided literature before
use. Failure to do so could result in serious injury.
Note:This product complies with CAN ICES-2/NMB-2.
X7531125807
© 01/2020 ECHO Incorporated
Operator's
Manual

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Summary of Contents for Echo PB-770 H

  • Page 1 State of California to cause cancer, birth defects, or other reproductive harm. Read and understand all provided literature before use. Failure to do so could result in serious injury. Note:This product complies with CAN ICES-2/NMB-2. X7531125807 © 01/2020 ECHO Incorporated...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS Introduction ....................4 Servicing Information .................. 4 Parts/Serial Number................4 Service ....................5 ECHO Consumer Product Support ............5 Product Registration ................5 Additional Literature ................5 Safety ......................6 Manual Safety Symbols and Important Information ......6 International Symbols ................

  • Page 3: Introduction

    Genuine ECHO 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 and Serial Number of the unit with you. For future reference write them in the space provided below.

  • Page 4: Service

    Register your ECHO equipment on-line at www.echo-usa.com or by filling out the product registration sheet included in this manual. Registering your product confirms warranty coverage and provides a direct link to ECHO if we find it necessary to contact you.

  • Page 5: Safety

    Note: This enclosed message provides tips for use, care and maintenance of the unit. CIRCLE AND SLASH SYMBOL This symbol means the specific action shown is prohibited. Ignoring these prohibitions can result in serious or fatal injury. X7531125807 © 01/2020 ECHO Incorporated...

  • Page 6: International Symbols

    Fuel and Oil Mixture Idle speed Fast speed Finger severing Primer Bulb DO NOT Allow Flames Ignition or Sparks Near Fuel ON / OFF Choke Control “COLD DO NOT Smoke Near START” Position Fuel (Choke Closed) X7531125807 © 01/2020 ECHO Incorporated...

  • Page 7: Personal Condition And Safety Equipment

    Personal Condition and Safety Equipment Cancer and Reproductive Harm www.P65Warnings.ca.gov The muffler or catalytic muffler and surrounding cover may become extremely hot. Always keep clear of exhaust and muffler area, otherwise serious personal injury may occur. X7531125807 © 01/2020 ECHO Incorporated...
  • Page 8 Hearing/Ear Protection ECHO recommends wearing personal protection whenever unit is used. Breathing Protection Operators who are sensitive to dust or other common airborne allergens may need to wear a dust mask to prevent inhaling these materials while operating unit.
  • Page 9 To reduce the risk of serious or fatal injury, persons with pacemakers should consult with their physician and the pacemaker manufacturer before operating this machine. In the absence of such information, ECHO does not recommend the use of this machine by anyone who has a pacemaker.
  • Page 10 • Take periodic breaks to minimize repetition and rest your hands. • Reduce the speed and force with which you do the repetitive movement. X7531125807 © 01/2020 ECHO Incorporated...
  • Page 11 Keep a Solid Stance • Maintain footing and balance at all times. Do not stand on slippery, uneven or unstable surfaces. Do not work in odd positions or on ladders. Do not over reach. X7531125807 © 01/2020 ECHO Incorporated...

  • Page 12: Equipment

    Equipment Use only approved attachments. Serious injury may result from the use of a non-approved attachment combination. ECHO, INC. will not be responsible for the failure of cutting devices, attachments or accessories which have not been tested and approved by ECHO. Read and comply with all safety instructions listed in this manual.

  • Page 13: 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. X7531125807 © 01/2020 ECHO Incorporated...

  • Page 14: 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. The safety decal is for example only. Your label may appear slightly different.
  • Page 15 Purge Bulb Recoil Starter Handle Spark Plug Air Cleaner Safety Decal Spark Arrestor Muffler (with or without Catalyst) Fuel Tank Fuel Tank Cap Shoulder Harness Stick Handle Throttle Position Lever/Stop Switch Handle Blower Pipes Flexible Pipe X7531125807 © 01/2020 ECHO Incorporated...
  • Page 16 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. The safety decal is for example only. Your label may appear slightly different.
  • Page 17 Recoil Starter Handle Spark Plug Shoulder Harness Safety Decal Handle Locking Knob Blower Pipes Flexible Pipe Spark Arrestor - Catalytic Muffler / Muffler Fuel Tank Fuel Tank Cap Air Cleaner Throttle Position Lever Throttle Trigger X7531125807 © 01/2020 ECHO Incorporated...

  • Page 18: Contents

    Due to packaging restrictions, some assembly may be necessary. 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...

  • Page 19: Assembly

    Insert anti-static wire through flexible pipe (B). Assemble flexible pipe (B) to elbow (D) on blower and tighten clamp (A). Note: A light lubricant may be used to ease assembly of flexible pipe to blower elbow. X7531125807 © 01/2020 ECHO Incorporated...

  • Page 20: Install Blower Pipes

    Install Blower Pipes Assemble clamps (A) and (G) onto both ends of flexible pipe (B). Note: Clamp with cable guide loop (G) fits elbow end of flexible pipe. X7531125807 © 01/2020 ECHO Incorporated...
  • Page 21 Insert anti-static wire through swivel pipe Assemble swivel pipe into flexible pipe and tighten clamp (A). Clip throttle cable into throttle cable guide loop (G). Move handle (E) to desired position. Tighten knob (H) hand tight. X7531125807 © 01/2020 ECHO Incorporated...

  • Page 22: Operation

    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. X7531125807 © 01/2020 ECHO Incorporated...

  • Page 23: Fuel

    2-stroke and 2/4-stroke hybrid engines. Two Stroke Oil - A two-stroke engine oil, such as ECHO branded 2-stroke oils, meeting ISO-L-EGD (ISO/CD 13738) and J.A.S.O. FD Standards must be used. ECHO branded 2-stroke oils meet these standards. Engine problems due to inadequate lubrication caused by failure to use an ISO-L- EGD (ISO/CD 13738) and J.A.S.O.
  • Page 24 AVOID inhaling oil mists or vapors. ◆ ECHO branded 2-stroke oils may be mixed at 50:1 ratio for application in all ECHO engines sold in the past regardless of ratio specified in those manuals. Handling Fuel Fuel is VERY flammable. Use extreme care when mixing, storing or handling, or serious personal injury may result.
  • Page 25 • Empty the fuel tank prior to storing the unit. Return unused fuel to an approved fuel storage container. Stored fuel ages. Do not mix more fuel than you expect to use in 30 days, 90 days when a fuel stabilizer is added. X7531125807 © 01/2020 ECHO Incorporated...

  • Page 26: Starting Cold Engine

    Pull recoil starter handle (E) until engine fires, or a maximum of 5 pulls Choke After engine fires (or 5 pulls), move choke lever back to RUN ( position, then pull starter handle/rope until engine starts and runs. Allow unit to warm up at idle for several minutes. X7531125807 © 01/2020 ECHO Incorporated...

  • Page 27: Starting Warm Engine

    Pump bulb an additional 4 or 5 times. 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. X7531125807 © 01/2020 ECHO Incorporated...

  • Page 28: Stopping Engine

    OPERATION PB-770 H/T Stopping Engine - PB-770 H Throttle Position Lever Move throttle position lever (A) to PB-770 H IDLE position and allow engine to return to idle before shutting off engine. Throttle Position Lever PB-770T Move throttle position lever (A) to “O”...
  • Page 29 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. Always stop unit using stop engine procedure. X7531125807 © 01/2020 ECHO Incorporated...
  • Page 30 9° C) otherwise damage to the fuel lines may occur. Remove back cushion (A) from frame. Install intake cover (B) on frame over air intake. Install back cushion (A) to frame over intake cover. Note: Blower performance may be reduced slightly. X7531125807 © 01/2020 ECHO Incorporated...

  • Page 31: Maintenance

    Level 1 = Easy to do. Common tools may be required. Level 2 = Moderate difficulty. Some specialized tools may be required. Level 3 = See your dealer. Click HERE or go to http://www.echo-usa.com/products/maintenance-kit HERE https://www.shindaiwa-usa.com/you-can.aspx For information about maintenance kits.

  • Page 32: Maintenance Intervals

    MAINTENANCE PROCEDURE NOTES: 1 Low evaporative fuel tanks DO NOT require regular maintenance to maintain emission integrity. * Replacement is recommended based on the finding of damage or wear during inspection X7531125807 © 01/2020 ECHO Incorporated...

  • Page 33: Air Filter

    • Replace filter if it is damaged, very dirty, or the rubber sealing edges are deformed. • If filter can be reused, be certain it fits tightly in the air filter cavity, and is installed with the original side out. Assemble components in reverse order. X7531125807 © 01/2020 ECHO Incorporated...

  • Page 34: Fuel Filter

    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. X7531125807 © 01/2020 ECHO Incorporated...

  • Page 35: Spark Plug

    • 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. X7531125807 © 01/2020 ECHO Incorporated...

  • Page 36: Exhaust System

    Connect spark plug lead. Exhaust System Spark Arrestor Screen Level 2. Parts Required: Spark Arrestor Screen, Gasket Carbon deposits in muffler will cause a drop in engine output and overheating. Spark arrestor screen must be checked periodically. X7531125807 © 01/2020 ECHO Incorporated...
  • Page 37 (C) from muffler. Replace screen if plugged with carbon deposits. Note: When cleaning carbon deposits, be careful not to damage the catalytic element inside muffler. Install spark arrestor screen, gaskets, and cover. Connect spark plug lead. X7531125807 © 01/2020 ECHO Incorporated...

  • Page 38: Carburetor Adjustment

    Tighten muffler mounting bolts (or nuts) to 110-150 kgf•cm (95- 130 in•lbf). Install engine cover and attach spark plug lead. Start engine, and warm to operating temperature. Stop engine, and re-tighten mounting bolts (or nuts) to specifications. X7531125807 © 01/2020 ECHO Incorporated...

  • Page 39: Throttle Cable Adjustment (Pb-770T Only)

    (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. If the engine is adjusted for operation above 1,100 feet ASL, the carburetor must be re-adjusted when operating the engine below 1,100 feet ASL, otherwise severe engine damage may result.

  • Page 40: Troubleshooting

    Throttle Trigger free play is 4 - 6 mm (3/16-1/4 in.). After adjustment, squeeze and release Throttle Trigger several times to verify Carburetor 4-6 mm Throttle Shaft has full range of movement from idle to wide open throttle positions. X7531125807 © 01/2020 ECHO Incorporated...
  • Page 41 See your dealer wire does not start Interlock switch No spark Incorrect gap - Adjust to Covered with 0.65mm (0.026 Spark at carbon - in.) plug Fouled with Clean or replace fuel - Plug plug defective X7531125807 © 01/2020 ECHO Incorporated...

  • Page 42: Storage

    Cooling system dirty ation in dirty or Clean system properly or plugged dusty locations Spark Spark arres- arrestor tor screen Normal wear Replace screen plugged Engine Internal engine does not See your dealer problem crank X7531125807 © 01/2020 ECHO Incorporated...

  • Page 43: Specifications

    10. Install the spark plug. Connect the spark plug lead to the spark plug. 11. Remove blower pipe assembly from unit. X7531125807 © 01/2020 ECHO Incorporated...

  • Page 44: Product Registration

    Average Air Speed w/pipes 87.62 m/sec (196 mph) Maximum Air Speed w/pipes 104.61 m/sec (234 mph) Air Volume 21.41 m3 /min. (756 cu. ft./min.) Sound Level at 50 ft. dB(A) 73 dB(A) scale per ANSI B175.2 X7531125807 © 01/2020 ECHO Incorporated...
  • Page 45 Please go to http://www.echo-usa.com/Warranty/Register-Your-ECHO to register your new product on-line. It's FAST and EASY! NOTE: your information will never be sold or misused by ECHO, Inc. Registering your purchase enables us to contact you in the unlikely event of a service update or product recall, and verifies your ownership for warranty consideration.

  • Page 46: Note

    PRODUCT REGISTRATION PB-770 H/T X7531125807 © 01/2020 ECHO Incorporated...
  • Page 47 PB-770 H/T NOTE NOTE X7531125807 © 01/2020 ECHO Incorporated...
  • Page 48 (H) P44914001001 - P44914999999 (T) P45014009290 - P45014999999 ECHO INCORPORATED 400 Oakwood Road Lake Zurich, IL 60047 www.echo-usa.com...

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