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  4. PB-620ST
  5. Operator's Manual

Echo PB-620ST Operator's Manual

Summary of PB-620ST

  • Page 1

    Power blower operator's manual model pb-620st warning read rules for safe operation and all instructions carefully. Echo provides this operator's manual, which must be read and understood for proper and safe opera- tion. X753003741 11/09 x7531123401.

  • Page 2

    2 copyright© 2010 by echo, incorporated all rights reserved. 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 specif...

  • Page 3

    3 p ower b lower o perator ' s m anual international symbols personal condition and safety equipment warning power blower users risk injury to themselves and others if the power blower is used improperly or safety precautions are not followed. Proper clothing and safety gear must be worn when operat...

  • Page 4

    4 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 requi...

  • Page 5

    5 p ower b lower o perator ' s m anual 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 manua...

  • Page 6

    6 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 th...

  • Page 7: Category III

    7 p ower b lower o perator ' s m anual locate the safety decals on your unit. Make sure the decals are legible and that you understand and follow the instruc- tions on them. If a decal cannot be read, a new one can be ordered from your echo dealer. See parts ordering instructions for specific inform...

  • Page 8

    8 1. Safety decal - lists important safety precautions. 2. Spark plug - provides spark to ignite fuel mixture. 3. Spark arrestor muffler or spark arrestor muffler with catalyst - the muffler or catalytic muffler controls exhaust noise and emission. The spark arrestor screen prevents hot, glowing par...

  • Page 9

    9 p ower b lower o perator ' s m anual c ontents ____ 1 - power head ____ 1 - flex pipe ____ 1 - pipe w/swivel ____ 1 - straight pipe ____ 1 - straight pipe w/decal ____ 1 - operator's manual ____ 1 - warranty registration card ____ 1 - plastic bag ____ 2 - clamps w/screws ____ 1 - guide loop warnin...

  • Page 10

    10 5. 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. 6. Clip throttle cable into throttle cable guide loop (g). 7. Move h...

  • Page 11

    11 p ower b lower o perator ' s m anual 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 15% mtbe (methyl tertiary-butyl ether). Gasoline containing methanol (wood alcohol) is not app...

  • Page 12

    12 important stored fuel ages. Do not mix more fuel than you expect to use in thirty (30) days, ninety (90) days when a fuel sta- bilizer is added. Important stored two-stroke fuel may separate. Always shake fuel container thor- oughly before each use. After use • do not store a unit with fuel in it...

  • Page 13

    13 p ower b lower o perator ' s m anual starting warm engine the starting procedure is the same as cold start except do not close the choke. 1. Throttle position/stop switch button slide throttle position /stop switch button (a) back to idle posi- tion (first detent away from stop position). 2. Purg...

  • Page 14

    14 important use reduced speed only when performing light-duty tasks or to comply with local noise regulations. Continuous low speed opera- tion may allow fuel/oil residue to build-up on the piston and cause rapid build-up of carbon on the spark arrestor screen, resulting in overheating and engine d...

  • Page 15

    15 p ower b lower o perator ' s m anual m aintenance 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 removi...

  • Page 16

    16 air filter level 1. Tools required: 25 - 50 mm (1 - 2 in.) cleaning brush. Parts required: repower tm tune up kit note clean daily. 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 clean...

  • Page 17

    17 p ower b lower o perator ' s m anual spark plug level 1. Tools required: 19 mm spark plug deep socket, feeler gauge parts required: repower tm tune up kit important use only ngk bpm-8y spark plug (bpmr-8y in canada) other- wise severe engine damage may occur. 1. Remove spark plug, and check for f...

  • Page 18

    18 a b c exhaust system spark arrestor screen level 2. Tools required: cross head screwdriver, soft metal brush parts required: spark arrestor screen, gaskets (3) important carbon deposits in muffler will cause a drop in engine output and overheating. Spark arrestor screen must be checked periodical...

  • Page 19

    19 p ower b lower o perator ' s m anual exhaust port cleaning level 2. Tools required: 4 & 5 mm hexagon wrench, cross head screwdriver, wood or plastic scraper parts required: as needed: heat shield 1. Remove spark plug lead from spark plug, and remove engine or muffler cover (5 screws). 2. Place pi...

  • Page 20

    20 carburetor adjustment engine break-in new engines must be operated for a minimum duration of two tanks of fuel before carburetor adjustments can be made. During the break-in period your engine performance will increase and exhaust emissions will stabilize. Idle speed can be adjusted as required. ...

  • Page 21

    21 p ower b lower o perator ' s m anual initial adjustment 1. With engine off, turn hi speed screw (c) counterclockwise to stop. 2. Turn lo speed screw (b) midway between stops. 3. Turn idle screw (a) until tip of screw just touches throttle plate; then turn three (3) turns clockwise. Final adjustme...

  • Page 22

    22 danger fuel vapors are extremely flammable and may cause fire and/or explosion. Never test for ignition spark by ground- ing spark plug near cylinder plug hole, otherwise serious personal injury may result. T roubleshooting t r a h c g n i t o o h s e l b u o r t m e l b o r p k c e h c s u t a t...

  • Page 23

    23 p ower b lower o perator ' s m anual s torage warning 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...

  • Page 24

    24 model ---------------------------------------------------- pb-620st length ------------------------------------------------------ 325 mm (12.8 in.) width -------------------------------------------------------- 475 mm (18.7 in.) height ------------------------------------------------------- 490 m...

  • Page 25

    25 p ower b lower o perator ' s m anual 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 from defects in material and workmanship. Unde...

  • Page 26

    26 purchased repair parts, short blocks and accessories • 90-day residential, or non-income producing warranty • 30-day commercial, institutional, agricultural, industrial, income producing, or rental application warranty attention two-stroke engine power product owners this echo two-stroke engine p...

  • Page 27

    27 p ower b lower o perator ' s m anual echo incorporated emission control warranty statement for echo and shindaiwa brands the environmental protection agency (epa) and the california air resources board (c.A.R.B.) and echo incorporated (echo inc.) are pleased to explain the emission control system...

  • Page 28

    Dealer? Call 1-800-432-echo 1-800-432-3246 or www.Echo-usa.Com echo, incorporated 400 o akwood r oad l ake z urich , il 60047 www.Echo-usa.Com consumer product support 1-800-673-1558 8:30 - 4:30 mon - fri c.S.T. P03711001001/p03711999999 p03812001001/p03812999999 s ervicing i nformation parts / seri...