Question about Poulan Pro 42CC 2 Cycle Chainsaw, 18"

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Poulan pro pp4218 .... only will run at full throttle ... need a tool to adjust idle and a diagram where the throttle screw is.

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Look at eReplacementParts.com and the parts diagrams or ToolPartsDirect.com - Your Tool Repair Supply Store.

If you need more help come back.Post / thumbs / testimonial are welcome!

Posted on Nov 12, 2010

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1 Answer

My polan saw will start but boggs when given gas if you pump the throttle it will run at full throttle buy once it idles down it stalls


This is fuel starvation, replace the fuel filter in the tank, check the fuel hose up to the carb for signs of leaks, or cracks, if the carb has no anti tamper screws, screw the L screw out 1/4 turn to richen the mixture, if the carb has anti tamper screws you will need to get the special tool to adjust them.

Sep 15, 2011 | Poulan Pro Chain Saw 46cc 20"

1 Answer

I have a 42 cc 18" poulan chain saw I cant get it to idle its either all or nothing. I cant start if the chain break is on and when it starts the chain runs. It dies under stress and then is a...


If the chain runs at idle, or tries to turn when cranking the saw, then there is an issue with either the clutch drum bearing or the clutch spring has become weak, to get to both of these components you need special tools, the tool to remove the clutch is part no. 530031112, and the tool to adjust the carb screws is part no. 530035560, the L screw will adjust from idle to half throttle including acceleration, the H screw will adjust the full engine speed

Apr 03, 2011 | Poulan Pro 42CC 2 Cycle Chainsaw, 18"

1 Answer

POULAN 42CC 18" PP4218 WHAT ARE THEY CORRECT


Make sure the fuel filter, air cleaner, and muffler are not plugged. Make sure the fuel lines are not decayed or other damage. Turn H and L jet screws CW to stops (lightly), then back CCW 1-1/2 turns each. This is a basic setting that should allow the engine to start and run. Allow the engine to warm up, then pull the throttle full on. Adjust the H jet screw CW until the engine starts to speed up. Correct adjustment is when the engine 4-strokes at speed unloaded, but immediately 2-strokes when cutting. Release the throttle and adjust L jet screw CW until the engine idles fairly well, but allows the engine to 'follow the throttle'. If you go too far, the engine will 'gasp' when throttled. Hope this helps!

Jan 06, 2011 | Poulan Pro 42CC 2 Cycle Chainsaw, 18"

1 Answer

FUEL MIXTURE SCREWS BEEN ADJUSTED IMPROPERLY. WHAT IS PROPER HIGH -LOW CARB SETTINGS FOR 40CC POULAN CHAIN SAW


Make sure the air cleaner is not plugged. Turn both jet screws CW to stops (lightly), then back each out 1-1/2 turns CCW. This is a basic setting and should allow the engine to start and run. When the engine is warmed up, pull the throttle full on and adjust H jet needle CW until the engine starts to speed up, but still 4-stroking. Correct adjustment is when the engine 4-strokes running free, but immediately 2-strokes when cutting. Release the throttle and allow to idle. Turn the L jet needle CW until the engine idles fairly well, but the engine should 'follow the throttle'. It will tend to 'gasp' when pulling the throttle if you have gone too far. Idle speed screw should be set so that the chain doesn't try to turn, but the engine continues to idle. Hope this helps!

Jan 04, 2011 | Poulan Pro Chain Saw 46cc 20"

1 Answer

How do you adjust carb?


If the heads of the jet screws are 'D' shaped, you will need a special screwdriver to tun them and only authorized service dealers have these tools. So unless you are skillful enough to make your own, you have to take the saw to a servicing dealing for adjustment. Make sure the fuel filter, air cleaner and muffler are not plugged. If the screws have slot heads, then turn both screws CW to stops (lightly), then back out CCW 1-1/2 turns each. This is a basic setting which should allow the engine to start and run. Allow the engine to warm up, then pull the throttle full on and adjust H CW until the engine begins to speeds up, but still 4-stroking. Correct setting is when the engine 4-strokes, but immediately 2-strokes when cutting. Release the throttle and adjust L CW for fairly smooth idle, yet allows the engine to 'follow the throttle'. Adjust idle speed screw so that the chain stops turning, but the engine continues to run. Hope this helps!

Jun 18, 2010 | Poulan Pro 42CC 2 Cycle Chainsaw, 18"

1 Answer

Saw willnot start----needs gas intake adjustment


Turn both H and L screws CW to stops (lightly), then CCW out 1-1/2 turns each. This a basic setting and the engine should start and run. Start the engine and allow to warm up, then pull the throttle full on and adjust H CW until the engine starts to run faster, but continues to 4-stroke. Proper adjustment is 4-stroking when unloaded, but immediately 2-strokes when cutting. Release the throttle and adjust L CW until the engine idles fairly well, but allows the engine to 'follow the throttle'. Adjust idle speed screw so that the chain stops turning, but the engine will continue to run. Hope this helps!

Jun 14, 2010 | Poulan Pro 42CC 2 Cycle Chainsaw, 18"

1 Answer

Adjustment for carbuerator on Poulan Pro Chain Saw/ Model 221/ 40


Are the jet screws fitted with slot heads or 'D' heads? 'D' heads require a special tool to adjust and are not available to the general public, so you are stuck with taking the saw to a servicing dealer for adjustment. Slot head screws can be turned with a small flat-blade driver by anyone. In case you have owner-adjustable heads, try the following: Turn both screws CW to stops (lightly), then back each out 1-1/2 turns CCW. The engine should run with this basic setting. Warm up the saw, then pull the throttle full on. Turn H needle CW until the engine speeds up somewhat, but still 4-stroking. Proper adjustment is when the engine 4-strokes, but immediately 2-strokes when cutting. Release the throttle and adjust L CW until the engine idles fairly well, but allows the engine to 'follow-the-throttle'. Adjust idle speed so that the chain stops turning, but the engine continues to run. Hope this helps!

Apr 30, 2010 | Poulan 14" Electric Chainsaw

1 Answer

Carb rpl and adjustment


you have 2 screws marked H and L. With the engine running, turn the L (low) screw for best idle. Then for the H (high) screw, Hold at full throttle, turn screw, and listen for smothest and fastest revs.

Apr 15, 2010 | Poulan Pro 42CC 2 Cycle Chainsaw, 18"

1 Answer

Runs about two minutes and dies with no spark.


Change the plug and try it. Fixed - happy chainsaw guy.

With a small amount of fuel in the tank, disconnect the kill switch at the coil and try it. Fixed - inspect and repair kill switch wiring, if good replace switch. Re-test. If fixed - happy chainsaw guy.
You can do this without a bar and chin if you like. There will need to be oil in the reservoir and do not go to full throttle without them. How ever you do it let it idle until it starves.

Poulan.com
http://www.ordertree.com/modelinfo/POULAN-WEED-EATER/75.59.html
The dash number of your serial number is the type.

Find your coil here:
Poulan PP4218 Type 2
http://www.ordertree.com/modelinfo/PWE/PP4218-Gas-Saw-Type-2/75.PP4218-Gas-Saw-Type-2.1.59.1.html
"Engine Assembly" detail, item 4

There are many PP4218s (Type 1, AV, AV Type 1 & 2, etc. All can be found at the Poulan.Com link.). They probably all use the same coil but please touch base with OrderTree or where ever you place your order to ensure we have the correct coil. They will ask questions about your saw, please have it within easy reach.

An index or business card makes a very good gap tool. Place a business or index card between the fly wheel and coil, rotate until the magnetic attraction pulls everything tight together. Tighten the coil screws, rotate the flywheel until the attraction eases and remove the card. Ensure nothing contacts when flywheel is rotated.

Just because I am a picky old turd and you might need it. It is a very good test:
Ignition Coil Test by SmallEng.com
http://www.youtube.com/watch?v=L7WNBDRG4C4
You may need to use a jumper wire between the threaded part of the plug and the cooling fins. You do not have to bend up the electrode.

If I can be of any more help you can reply below. I hope you found this very helpful.
Lou

Jan 29, 2010 | Poulan Pro 42CC 2 Cycle Chainsaw, 18"

1 Answer

I need an Idle Speed Adjustment Screw for a Poulan ProPP4218 Chain Saw.


Ordertree.com (Poulan authorized parts outlet)
http://www.ordertree.com/cms/contact-us/9790.html
Telephone - For Handheld or Wheeled Products contact us at 1-877-500-7499
I looked at "Gas Chain Saw PP4218 Types 1 & 2" IPLs. there are no carburetor illustrations. I suggest you contact them by phone. Please have your saw and a supply of common hand tools within easy reach before calling. HTH
Lou
There are often multiple carburetor manufacturer's used on the same model. They can easily help you determine what is on your saw.

Dec 14, 2009 | Poulan Pro 42CC 2 Cycle Chainsaw, 18"

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