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How to adjust high and low on a classic poulin pro pp4218av gas chainsaw

Posted by Anonymous on

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6 Suggested Answers

6ya6ya
  • 2 Answers

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

Hi,
a 6ya Repairman can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repair professionals here in the US.
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Posted on Jan 02, 2017

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SOURCE: homelite chainsaw carb adjustments

I'd replace the fuel pickup and line. It sounds like you are getting air into the fuel system ahead of the carb.

Posted on Oct 14, 2008

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dennisgladx
  • 52 Answers

SOURCE: high geared chainsaw

Hi 1tgriffin,
My name is Dennis and I hope that will serve your needs.
IDLE ADJUSTMENTS:
There are three adjustment screws on the carburetor labeled
H (for High speed MIXTURE)
L (for low speed MIXTURE)
T (for idle SPEED SETTING)
They are located just above the primer bulb. If your saw floods so soon in the starting process the idle mixture setting can be set too rich and the speed may be set too slow. Remember the chain will not move when the idle speed is set correctly with a WARM ENGINE!
Adjust the idle speed to just below chain movement WITH A WARM ENGINE this is just below the activation RPM of the centrifugal clutch. Let the engine run at a higher speed than idle until it is warm -- 3 min -- you may have to keep goosing it until then.
Please don't exceed the limits of the plastic limiters when making adjustments.
If you haven't adjusted the mixture screws you may just have to adjust the idle speed and that can start my turning that screw all the way in to the stop and then back out 4-1/2 turns for a good place to start. FAST IDLE -- Adjust the speed until the engine runs with out the chain moving. Adjust clockwise to increase speed. C clockwise to decrease engine speed.
Accelerate the engine and if it stumbles and makes too much smoke it's too rich turn the
LOW SPEED MIXTURE (in) clockwise in 1/16 a turn increments NO MORE at a time because a two cycle needs to run at a setting for a short time to really prove the setting. don’t run it wide open to warm it up but it should be at a fast idle. Nothing you do will be proven correct until the engine is warm.
Good Luck
Glad to be of assistance - please rate the solution because I will learn from your rating. Thank you

Posted on Nov 09, 2008

  • 186 Answers

SOURCE: Stihl ms310 chainsaw will only run on choke

stihl chainsaw runs short time with choke when apply trigger to cut stall and is very hard to restart

Posted on Jul 19, 2009

  • 4088 Answers

SOURCE: How do I adjust the carburetor on a Poulan 38cc

Turn both jet screws CW to stops (lightly), then back out CCW 1-1/2 turns each. This is a basic setting and the engine should start and run. Be sure to check the fuel filter, air cleaner, and muffler for plugging. Start the engine and allow to warm up--pull the throttle full on and adjust H jet needle CW until the engine starts to speed up, but still 4-stroking. Proper adjustment is reached when the engine 4-strokes at speed, but immediately 2-strokes when cutting. Release the throttle and adjust L jet needle CW until the engine idles fairly well, but will allow the engine to 'follow the throttle'. Set the idle speed screw so that the chain stops turning, but the engine will continue to run. Hope this helps!

Posted on Jul 09, 2010

  • 4088 Answers

SOURCE: Poulan Pro Chainsaw(PP4218AV) worked for a while now won't start

It's possible that the carburetor diaphragm in the lower chamber has hardened or cracked. Does the primer bulb fill with fuel after several pumps? If not, try moving the line that comes up from the fuel filter to the carburetor over to the primer port that normally connects to the other carburetor connection. Try to pump fuel again--if successful, then there is blockage within the carburetor which should be cleaned with spray carburetor cleaner inside and out. There is a small filter screen inside the main body that can be easily plugged with stale fuel. Hope this helps!

Posted on Jul 11, 2010

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It's possible that the carburetor diaphragm in the lower chamber has hardened or cracked. Does the primer bulb fill with fuel after several pumps? If not, try moving the line that comes up from the fuel filter to the carburetor over to the primer port that normally connects to the other carburetor connection. Try to pump fuel again--if successful, then there is blockage within the carburetor which should be cleaned with spray carburetor cleaner inside and out. There is a small filter screen inside the main body that can be easily plugged with stale fuel. Hope this helps!

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Set the H and L jet screws CW to stops (lightly), then CCW 1-3/4 turns each. This is a basic setting and both need to be turned CW somewhat when the engine runs. Recheck the lower chamber in the carburetor for correct installation of the needle, seat, spring, fulcrum, and diaphragm. Go to: www.drystacked.com for a detailed look at Walbro brand carburetors. Even if you do not have a Walbro carburetor, the principles are much the same. Make sure the fuel tank vent is open.

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I neen repair manual for a Poulan Pro SM4218AV.


Hi Lou; great name.
What are you trying to repair? The correct IPL and some thought works for most things.
Poulan "PP4218AV Type 2" IPL follows (may not be your saw):
http://www.ordertree.com/modelinfo/PWE/PP4218AV-Gas-Saw-Type-2/75.PP4218AV-Gas-Saw-Type-2.1.59.1.html

If this is not your saw you can find the correct one here:
Poulan.com
http://www.ordertree.com/modelinfo/POULAN-WEED-EATER/75.59.html
The dash number of your serial number is the type.

Reply below with some additional detail of what you are looking and we will continue. HTH
Lou
I was born May 1950. Which of us has been Lou longer?

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