Author Topic: Back in Black 3.3  (Read 776 times)

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Offline Cut4fun .

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Re: Back in Black 3.3
« Reply #30 on: January 27, 2014, 01:20:30 pm »
You rebuild the carb with new diaphragms?  Sounds like my 1st 3750 when the dias got stiff.
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Offline Tractorsaw1

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Re: Back in Black 3.3
« Reply #31 on: January 27, 2014, 01:23:52 pm »
No, i did not.  I had a new hda 164 that i swaped on it ran great at first, then acted the same as the hd49 that was on it, so i had kinda ruled the carb out, but maybe not.  I should of grapped the 49 off the running 2700, I will try that first.  Wheres a good place to pick up a carb kit for the 49's?

Offline Cut4fun

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Re: Back in Black 3.3
« Reply #32 on: January 27, 2014, 01:26:19 pm »
I use mowers4u if he dont have it listed just call or email and ask. They has gotten me oem poulan stuff before that wasnt listed.

http://www.mowers4u.com/
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Offline Cut4fun

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Re: Back in Black 3.3
« Reply #33 on: January 27, 2014, 01:30:35 pm »
Have you checked crank seals for air leak?  Just throwing things to check.
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Offline Tractorsaw1

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Re: Back in Black 3.3
« Reply #34 on: January 27, 2014, 01:32:38 pm »
no, im kinda rookie on the pressure/vac test, i do have a mity vac at home, guess i need to figure out how to use it.

Offline Cut4fun

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Re: Back in Black 3.3
« Reply #35 on: January 27, 2014, 01:35:30 pm »
I just redneck test and havent missed one yet.  Side to side if running and then with spraying around seal.
If I have the cylinder off I check with mix in crankcase.  Never missed one  yet if seals.
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Offline Tractorsaw1

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Re: Back in Black 3.3
« Reply #36 on: January 27, 2014, 01:38:31 pm »
Ok great tips thanks.  I was kinda waitn to pull the cylinder off until i had it runnin good to warm it up a little.  Are you just letting it idle on the side to side test?

Offline Cut4fun .

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Re: Back in Black 3.3
« Reply #37 on: January 27, 2014, 01:43:00 pm »
idle and toss side to side to see if any rpm range changes up in rpm or dies or almost dies.
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Offline Cut4fun .

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Re: Back in Black 3.3
« Reply #38 on: January 27, 2014, 01:45:16 pm »
Saw dont have to be warm. I checked my 475 when project stage with cylinder off with mix and found the flywheel seal leak,  before ever even putting the saw together.
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Offline Tractorsaw1

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Re: Back in Black 3.3
« Reply #39 on: January 27, 2014, 01:48:08 pm »
Maybe its portn time witha crank case fill up then. ;D

 

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