Question about Echo Backpack Blower PB-770T

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New blower and smoke at start up and sometime hard to pull rope.

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6ya6ya
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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
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Posted on Jan 02, 2017

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kel1guy2002
  • 3740 Answers

SOURCE: gas leaks into cylinder causing engine to siege

Hi Billy. This is a problem with the float needle in the carb. See this link page 10 (Item 24): http://www.echo-usa.com/pdf/documentation/PB250es_P30911_070110.pdf Also item 15. Most likely there is either a hole in the diaphram or..... there is debris in the float needle seat that has to be removed. This is not a difficult repair but... it is tedious if you have to remove the float needle.

There is a repair kit for this WALBRO WTA33 carb. The part number for the kit is K10-WTA. See this link:
http://www.jackssmallengines.com/searchresults.cfm?cx=008737122150761418589%3Ac24nnqwh7co&cof=FORID%3A11&q=K10-WTA#205

Most local lawnmower shops have these kits in stock but... ordering on line can save you time and money for the parts search.

I am most certainthat if you clear the debris from the float needle seat and the diaphram is good that your leak will cease. If you clear the debris and you still have the over-night / between use leak.... the diaphram will have to be replaced. All it takes is a pin hole over time for the cylinder to fill up.

There is a Walbro carb for the WT series "Service Manual" here:
http://wem.walbro.com/distributors/servicemanuals/WTseries.pdf

Thanks for choosing FixYa,
"Seasons Greetings"
Kelly

Posted on Dec 24, 2010

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1 Answer

HOW TO FIX BROKEN ROPE IN PULL START FOR STIHL BG 61 AV LEAF BLOWER?


The pulley the rope goes onto needs to be fully wound against the spring. I usually wind the pulley and hold it with one hand while feeding in the new rope with the other. The pulley may have a cut out on it where you can hook the rope and then wind the pulley. Once the pulley is fully wound by the spring you can hold the end of the extended rope/grip and let it slowly wind back into the recoil assembly.

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1 Answer

Need to relace starter rope


1
Remove the cover from the side of the blower that contains the pull start. This usually involves removing the self-tapping screws that join the two halves of the blower housing together.


  • 2
  • Remove the broken rope from the starter pulley. Usually the rope is attached to the pulley with a simple overhand knot; just grab the knot and pull the rope back through the hole in the pulley. Sometimes the rope is attached to the pulley with a staple or some other fastener, which you'll have to remove first.
  • 3 Remove the handle from the replacement rope, if it's already attached.
  • 4 Thread the end of the rope opposite the handle through the hole in the starter pulley, working from the inside of the pulley (the side facing in toward the engine).
  • 5 Fasten the rope to the pulley. If it attaches with a knot, simply tie an overhand knot, pull it tight and trim off any excess rope sticking out of the knot. If it attaches with a fastener, replace the fastener.
  • 6 Wrap the rope counterclockwise around the pulley until the pulley is full; this usually involves one or two wraps.
  • 7 Thread the free end of the rope through the hole in the blower housing.
  • 8 Replace the blower housing and screw it in place.
  • 9 Trim off excess rope, leaving about 6 inches of rope protruding from the blower housing.
  • 10 Attach the handle to the starter rope. This typically involves threading the rope through one or two holes in the handle and securing with an overhand knot.

  • Read more: How Do I Replace a Pull String on a Hand Held Blower? ' eHow.com http://www.ehow.com/how_6920861_do-string-hand-held-blower_.html#ixzz1DKqEmA1w

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    How to repair a poulan pp 136 trimmer? The rope to start won't rewind.


    Most likely you have a broken return spring.whitch will involve removing the blower cover and putting in a new spring,and then reloading the tensionon it.there is trick to that but its hard to explain....you have to tuirn the rope holder the oppisite direction you want it to pull the rope in ,then you feed in the rope while holding the spring loaded then tie the string in and let go...Normally 4-5 rounds will do for a good recoil..Hope it helps

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    My stihl 041 saw very old made in germany farmboss but very low hours on it. will pop and smoke a little but not start. When I pull on the starter and it almost starts it gets very hard to pull on rope -...


    Answer to 2 year old question about hard starting saw.There is a seal that goes bad and leaks chain oil into the crankcase.This will make it very hard or impossible to pull the starter rope. To start the saw,pull the spark plug, stand the saw on it's end so the bar is pointed up and pull the rope 10-15 times. Replace the spark plug and start.It will smoke for a while.To stop this from happening, always store the saw with the bar pointed straight down.

    Jun 29, 2010 | Garden

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    Stihl backpack blower starter rope is pulling harder and harder. When it dose pull it starts right up.


    See if your rope pulley is opening up and allowing rope to double over on itself.When this happens the rope will wedge in pulley causing it to pull hard.

    Nov 15, 2009 | Garden

    1 Answer

    Broken pull starter rope


    remove pulley that rope goes on, wind it with new rope, wrap it till it is full, then feed rope thru hole in housing, put pulley back in place, put rope thru pull handle, pull thru till you feel spring catch tie a knot and that should do it......be careful when removing pulley not to dislodge recoil spring

    Oct 22, 2009 | Garden

    1 Answer

    Recoil rope won't recoil!


    -In bnjays case the rope was broken. Sometimes the rope retracks partially or slowly because the surface that the spring edges rub against when retracting the cord, are badly rusted. Disassemble and wire brush the rust off, or leave assembled and spray in thru holes in the pull start with WD40.Avoid getting WD40 on the rope.

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