Author Topic: Craftsman 3.7 60cc HDA-49 24"  (Read 135 times)

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Offline Turbosl2

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Re: HDA-164 replacement??
« Reply #10 on: October 28, 2020, 10:03:05 am »
3750 shouldnt have 2 line coming from the tank.  The older poulans did like 3300 etc before switching to the tank vent on upper left side on 3750 etc.
Someone might have added a tank vent there and plugged off the side one?  Some folks do that.

3750 didn't have primer bulbs either. That was a later plastic poulans thing.

Thanks for continuing to help on this. Here is a forum of my exact saw on this forum (60cc 24" Craftsman). I thought it was a 3750 Poulan equivalent but maybe its a red headed step child 3500??

http://chainsawrepair.createaforum.com/poulan/craftsman-3-7-60cc-24'/

I will be out to look at the saw this morning and will post my own pics


There the reason you have 2 lines out of tank. 1 fuel line and other tank vent.  The impulse line in BLACK in the pic above will be the one to check to back of crankcase to top of carb.  The 2 yellow ones are tank vent and fuel line.

Thats cool and the rarer of the 60cc 3500 365 3.7

Still 60cc but earlier then 3750. Also they didnt come with a 164 carb. They came with a 49 carb.  So look for carb numbers on side of your carb.  Because I have and others have put bigger intakes and the bigger carbs on saws like these in past.

Great this helps. I found the duckbill sitting in the tank just now, seems to all make sense now. Havent been able to located the impulse port but i will keep looking. Very tight space to see anything. The 2nd saw in that pic is the same saw i have.

Offline Cut4fun .

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Re: HDA-164 replacement??
« Reply #11 on: October 28, 2020, 10:49:35 am »
Pull the recoil start off saw and top cover. Real  easy to see impulse nipple made of brass looking under there once all removed.

Here is with BLACK line on it there.  If need a pic of one off I can take a pic for you?
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Offline Turbosl2

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Re: HDA-164 replacement??
« Reply #12 on: October 28, 2020, 01:50:25 pm »
Thank you!! You were right on. Found the impulse line. Rerouted the lines and it runs perfectly. Also it was a 49 carb!
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Offline Turbosl2

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Re: HDA-164 replacement??
« Reply #13 on: October 28, 2020, 01:53:52 pm »
Pull the recoil start off saw and top cover. Real  easy to see impulse nipple made of brass looking under there once all removed.

Here is with BLACK line on it there.  If need a pic of one off I can take a pic for you?
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Offline Cut4fun .

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Re: Craftsman 3.7 60cc HDA-49 24"
« Reply #14 on: October 29, 2020, 08:06:24 am »
Good deal.

The duckbill is pulled up inside the tank to the top portion. Just in case you left it down.

Also changed the heading of the thread to your saw and carb.
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Offline Turbosl2

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Re: Craftsman 3.7 60cc HDA-49 24"
« Reply #15 on: October 29, 2020, 08:57:17 am »
Good deal.

The duckbill is pulled up inside the tank to the top portion. Just in case you left it down.

Also changed the heading of the thread to your saw and carb.

Yup i did end up doing that with the duckbill. Thanks for all the help!!
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