SERVICE MANUAL SUPPLEMENT - ECHO USA
1PB-770H, PB-770T21-63H-012SERVICE MANUALSUPPLEMENTPOWER BLOWERPB-770HECHO: PB-770TECHO:INTRODUCTIONWe are constantly working on technical improvement of our products. For this reason,technical data, equipment and design aresubject to change without notice. All specifications and directions in this SERVICEDATA are based on the latest product information available at the time of publication.(Serial number : 11000001-11999999)(Serial number : 12000001-12999999)(Serial number : 13000001-13999999)(Serial number : 11000001-11999999)(Serial number : 12000001-12999999)(Serial number : 13000001-13999999)CONTENTSpage1 SERVICE INFORMATION. 21-1 Specification . 21-2 Technical data. 31-3 Torque limits. 31-4 Special repairing materials . 41-5 Service limits. 51-6 Special tools . 62 CARBURETOR ADJUSTMENT PROCEDURE . 72-1 General adjusting rules. 72-2 Complete adjustment. 7Reference No. 21-63H-01REVISED:201207ISSUED: 201001
2PB-770T/HSERVICE INFORMATION1 SERVICE INFORMATION1-1 SpecificationsModelPB-770TDimensions Length*Width*mm(in)mm(in)Height*mm(in)Dry rokeCompression ratio33cm (in )mm(in)mm(in)PB-770H375 (14.8)490 (19.3)535 (21.1)475 (18.7)10.8 (23.7)11.0 (24.2)YAMABIKO, air-cooled, two-stroke, single cylinderCounterclockwise as viewed from the output end63.3 (3.86)48.0 (1.89)35.0 (1.38)6.5CarburetorTypeModelRotatry type : Diaphragm, horizontal-draft, with purge bulbWalbro WYK-345 with Small D-shaped mixture needleIgnitionTypeCDI (Capacitor discharge ignition) systemVariable Slope Timing (VST) : Slope advance ignitionsystem combined with electronic speed governorExhaustSpark plugMuffler typeStarterTypeBPM8Y (CANADA : BPMR8Y)Spark arrester muffler with catalystAutomatic rewindRope diameter x lengthFuelmm(in)TypePremixed two-stroke fuelMixture ratio50 : 1 (2 %)GasolineMinimum 89 octane unleadedTwo-stroke air cooled engine oilTank capacityThrottleMountBlowerFan type3.5 x 1000 (0.14 x 39.37)L (U.S.fl.oz.)ISO-L-EGD (ISO/CD13738), JASO M345-FC/FD2.02 (68.3)Tube-mounted throttlewith cruise controlHip-mounted throttlewith cruise controlClosed fanMax. air volume (with pipes)33m /min (ft /min)21.7 (765)***Max. air velocity (with pipes)m/s (mph)91.1 (204)***Discharge IDmm (in)ID : Inner diameter.* Without flexible pipe and blower pipes.** With flexible pipe and blower pipes.*** With taper pipe.72 (2.83)***
PB-770T/H3SERVICE INFORMATION1-2 Technical dataModelPB-770TEngineIdling speedRPMWide open throttle speedRPM2Compression pressureMPa (kgf/cm ) (psi)Ignition systemSpark plug gapmm(in)Minimum secondary voltage at 1,500 RPMkVPrimary coil resistanceΩSecondary coil resistancekΩPole shoe air gapsIgnition timingat 3,000 RPMat 8,000 RPMat 11,000 RPMParameter 1Parameter 2PET-9000CarburetorVenturi sizeThrottle boreIdle adjust screw initial settingTest Pressure, minimumMetering lever heightPB-770H2,500 /- 2006,600 - 6,8001.01 (10.3) (146)0.6 - 0.7 (0.024 - 0.028)22300 - 3502.5 - 2.9mm(in) BTDC BTDC0.3 - 0.4 (0.012 - 0.016)2531 BTDC2131605mm(in)mm(in)turn in*15.0 (0.591)15.0 (0.591)5/82MPa (kgf/cm ) (psi)mm (in)0.05 (0.5) (7.0)1.5 (0.06) lower than diaphragm seatBTDC: Before top dead center.* Set idle adjust screw to the point that its tip just contacts throttle plate before initial setting.** Screw in idle mixture needle from initial thread engagement (at the point that the clicking sound is heard).1-3 Torque limitsDescriptionsSizekgf cmN min lbfStarter Starter pawl assemblysystem Starter caseM 1080 - 1008 - 1070 - 90M 5*25 - 452.5 - 4.522 - 40Ignition Flywheelsystem C.D.I moduleM 10200 - 24020 - 24175 - 210M560 - 906- 950 - 80FuelSpark plugsystem CarburetorM 14130 - 17013 - 17115 - 150M530 - 403- 426 - 35Intake bellowsM560 - 906- 950 - 80Fuel tankM 5*20 - 402- 417 - 35M570 - 1107 - 1160 - 95CylinderM570 - 1107 - 1160 - 95Engine plateM520 - 302- 317 - 26Engine mountM 6*130 - 18013 - 18115 - 160Cylinder coverM 5*20 - 302- 317 - 262.5 - 4.522 - 40Engine CrankcaseEngine coverM 5*25 - 45Fan case sideM530 - 453 - 4.526 - 35Cleaner case sideM535 - 553.5 - 5.530 - 48Crankcase side
4SERVICE INFORMATION1-3 Torque limits (Continued)DescriptionsSizekgf cmN min lbfEngine Dust coverPB-770T/HM 5*25 - 452.5 - 4.522 - 40leadM520 - 302- 317 - 26MufflerM6130 - 18013 - 18115 - 160Muffler stayM570 - 1107 - 1160 - 95M430 - 403- 426 - 35M540 - 604- 635 - 50Blower fanM 10200 - 24020 - 24175 - 210Backpack harnessM540 - 604- 635 - 50Backpack frameM535 - 553.5 - 5.530 - 50Backpack stopperM535 - 453.5 - 4.530 - 40Cleaner caseM530 - 503- 526 - 45Trigger bracket fixtureM535 - 553.5 - 5.530 - 50Throttle leverM635 - 553.5 - 5.530 - 50leadM530 - 453 - 4.526 - 40M36 - 10M415 - 251.5 - 2.513 - 22M525 - 452.5 - 4.522 - 40M645 - 754.5 - 7.540 - 65M8110 - 15011 - 1595 - 130Exhaust guideOthers Fan caseBlower grid sideRegular bolt, nut and screw0.6 - 15- 9* Apply thread locking sealant (See below)1-4 Special repairing materialsMaterialGreaseThread locking sealantLocationRewind springStarter center postOil seal inner lipsEngine mountCylinder coverDust coverEngine cover (Crankcase side)Starter caseFuel tankRemarksLithium based grease or ECHO XTendedTMProtection LubricantLoctite #675 or equivalentLoctite #242, ThreeBond #1324 or equivalentLoctite #222, ThreeBond #1342 or equivalent
PB-770T/H5SERVICE INFORMATION1-5 Service 5K252L5K2195K220Descriptionmm (in)ACylinder boreWhen plating is worn and aluminum can be seenBPiston outer diameterMin.47. 89CPiston pin boreMax.10. 035 (0.3951)DPiston ring groove,(1.885)1st Max.1. 65(0.065)2nd Max.1. 6(0.063)EPiston ring side clearanceMax.0. 1(0.004)FPiston pin outer diameterMin.9. 98(0.3929)GPiston ring widthMin.1. 45(0.057)HPiston ring end gapMax.0. 5(0.02)KCon-rod small end boreMax.LCrankshaft runoutMax.14. 025 (0.5522)0. 01(0.001)
ECHO: PB-770T (Serial. INTRODUCTION (Serial number : 11000001-11999999) (Serial number : 12000001-12999999) (Serial number : 13000001-13999999) number : 11000001-11999999) (Serial number : 12000001-12999999) (Serial number : 13000001-13999999) CONTENTS. We are constantly working on techni
A member of ETC's Unison Echo family of lighting-control and power-control products, the Echo Station Power Supply provides EchoConnect power for stations, responsive controls and power controllers. Echo Station Power Supplies are designed for use with distributed Echo Control Systems, Unison DRd Power Enclosures with Echo control, Echo .
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Project ECHO Annual Meeting Survey N 17 Mean (1-5) Project ECHO has diminished my professional isolation 4.3 Participation in Project ECHO has enhanced my professional satisfaction 4.8 Collaboration with Project ECHO is a benefit to my clinic 4.9 ECHO has expanded access to HCV treatment for pts in our community 4.9 HCV expertise/consultation is a major area of need for you and your .
1. Install Echo Desktop 2. Connect your Echo smartpen to your computer 3. Follow the instructions to authorize Echo Desktop and complete your registration You can also initiate the process by connecting your smartpen to Echo Desktop, and going to Tools Smartpen Register. Register your Echo smartpen LS_Echo_EFIGS_GSG_P4_01
are available from your ECHO dealer or at www.echo-usa.com or by contacting ECHO Inc., 400 Oakwood Road, Lake Zurich, IL 60047 (800-673-1558). Always check the ECHO Web Site for updated information. Safety Videos are available from your Echo dealer. A 5.00 shipping charge will be require
in scope for Echo/Echo Stress. The NJ Small Business, School Board, and Municipality Plans will still be subject to a Medical Necessity review prior to claim payment. Physician Offices Outpatient Hospital Locations Free Standing Imaging Centers Precertification of echo/
Alter Ego 1 (A1), Alter Ego 2 (A2), Alter Ego 3 (B1), Alter Ego 4 (B2), Ici 1(A1), Ici 2 (A2) Echo A1, Echo A2, Echo B1 (volume 1), Echo B1 (volume 2), Echo B2 Version originale (A1, A2, B1, B2) Objectif Diplomatie 1 (A1/A2), Objectif Diplomatie 2 (B1/ B2) Je pratique/Exercices de grammaire (A1
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