Question about Poulan Pro Chain Saw 46cc 20"

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What should the compression on a PP4218AVX chainsaw be? I thought my clutch was slipping but a tear down showed it to be totally OK. Now I am suspecting a bad ring(s). I pull the plug and put in comp guage, pull starter cord briskly 5 times and get about 80 psi. I squirted a bit of oil in cylinder and then got a tad over 100 psi. Saw run great but seems to bog down on bigger cuts. Bar is new, chain is freshly machine sharpened. Sprocket shows some tooth wear I have a new ordered. Thanks

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6ya6ya
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Posted on Jan 02, 2017

dennisgladx
  • 52 Answers

SOURCE: Poulan Wildthing 18" chainsaw 2375 sprocket/drum replacement

mso 9]> Normal 0 false false false MicrosoftInternetExplorer4 mso 9]> mso-pagination:widow-orphan; font-size:12.0pt; font-family:"Times New Roman"; mso-fareast-font-family:"Times New Roman";} @page Section1 {size:8.5in 11.0in; margin:1.0in 1.25in 1.0in 1.25in; mso-header-margin:.5in; mso-footer-margin:.5in; mso-paper-source:0;} div.Section1 {page:Section1;} --> mso 10]> /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman"; mso-ansi-language:#0400; mso-fareast-language:#0400; mso-bidi-language:#0400;} Hi tchild,
my name is Dennis Gladx and I can assist you with the problem of getting the sprocket off of the crankshaft of your chainsaw.

To remove the centrifugal clutch and sprocket you unscrew it from the crankshaft and it has a left hand thread. Also a little trick to remove anything from a crankshaft that could turn while you want to unscrew the item, Remove the spark plug and insert some rope into the cylinder for the piston to squeeze against and you will jam the piston without damage.

Glad to be of assistance Please rate this solution because I can learn from your rating. Thank you



Posted on Nov 08, 2008

  • 44 Answers

SOURCE: Bar sprocket smokes, gets hot spot

Sounds like you're not getting enough oil to the chain. Basically you've got an oil pump, pickup and filter involved in getting oil from the resovior to the chain/bar. If you cleaned the obvious area and the chain is not coated with oil, you may have a clog further up (inside) the oil delivery mechanisms. Also, drain the oil from the tank, and see if you can "blow" air through there. With the saw running & pointed down, you should be able to see oil on the ground being slung off the chain, if not, you are not getting enough oil to the chain.

Posted on Nov 29, 2008

  • 83 Answers

SOURCE: 46 cc Sears/Poulan chainsaw will not start

Four things I can think of:
1) There is a short in your spark plug wire. When you bend it to connect the plug in the machine it allows the exposed cable to contact the engine block. Examine the wire all the way to the coil.

2) Flywheel key is sheared ( you obviously know how to take off the flywheel since you checked the seals).

3) Flywheel air gap is not set correctly. Loosen the coil. Put the cover of a notebook or the cardboard piece of a cigarette pack between the magnetic portion of the flywheel and the coil. Tighten the coil down. This will get you the proper gap.

4) Your cylinder/piston or rings are scrubbed out. Even though it passed a compression test, on rare occasions it will loose compression only when it fires. So do the following:

Remove your exhaust manifold. Look into the cylinder with a flash light. You are looking for scratches. Anything larger then a light fingernail is definite proof you need a new cylinder/piston assy.

If it passes that test do the following:

Pour mixed fuel straight into your cylinder until 1/4 full. Slowly pull your saw over while looking into the cylinder. If you see bubbles after the ring/rings go by then you need a new cylinder/piston assy. On rare occasions if no scratches are present on the cylinder wall or piston, you may be able to change just the rings.

First if you can get a inline spark tester so you can see if your getting spark with the plug installed.

Posted on Mar 31, 2009

  • 10865 Answers

SOURCE: having hard time with new poulon 18" chainsaw starting.

Since you have good spark and good gas the only things left to check are the air filter and the carbeurator. If the air filter is dirty, replace it. While you are at the auto parts store also pick up a can of a gasoline additive called seafoam which will keep your carb. clean. Finally get a can of spray carb. cleaner and put a couple short squirts directly into the air intake which is right there when you remove the air filter.

Posted on May 20, 2009

  • 255 Answers

SOURCE: pull cord difficult to pull..removed from saw it

Make sure someone hasn't run this saw without the oil in the fuel mixture. It is possible it is dry and some galling is happening. Or - if this saw is equipped with a compression bleeder (for easier starting), this could be not functioning and you're pulling through the normal compression (which can be a bit feisty!). Check for misalignment of some type having to do with the pull starter - check that the cord spool isn't rubbing on the housing when you pull. Good luck.

Posted on Nov 30, 2009

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Compression test on poulan pro chain saw


Yes, but 100 or lower and you need to think about ring and/or cylinder, piston and ring set.

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saws that seem to have no power but do accelerate to full speed (screaming) most times is either a compression issue or a clutch slipping (clutch will get very hot in use if this is case) compression issues are most allways a total rebuild on the piston and cylinder ,

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THERE IS NO GAS LEAVING THE CARB AFTER PRIMING THE PUMP OF A PULSON PP4218AVX CHAINSAW. CHANGED THE FUEL LINES AND PUMP. STILL DOESN' T START.


Hi Leo...
Check to make sure you have the fuel lines installed correctly.
Check out the picture below
Please take time to rate me
Bud

3_22_2013_1_03_13_pm.gif

Mar 21, 2013 | Garden

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Model # pp4218avx chainsaw ;The safety back bar will not move. I replaced the plastic cover and braking device ( part # s 30071893 )with new one and it will not move back either.


It is important to engage the hand guard into the brake mechanism before tightening the screws, if the brake is aready on prior to fitting you will need to remove the sprocket and possibly the clutch to get the brake onto the machine, as the band will be smaller than the drum, once on and engaged into the mechanism the hand guard will pull back to the top handle and load the brake, you can then refit clutch and sprocket.

Jul 01, 2011 | Poulan Pro 42CC 2 Cycle Chainsaw, 18"

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How do i replace the drive mechanism for a poulan pro model pp4218avx


Ok, start by removing the side cover, there will be a large plastic nut with a flip up lever, undo the nut anti clockwise, now remove the guide bar and chain which are now free, there will be a c clip and washer holding the clutch drum on, remove the clip witha suitable screw driver, remove the large washer, the clutch drum will now just pull off, there is now a small washer to remove, you will now see the clutch, there is a special tool required to remove the clutch, it fits into the two half circle cut a ways in the clutch centre, the clutch is threaded onto the crank with a left hand thread, once the tool is fitted you put a 19mm spanner on the tool and jar it off against compression. The special tool is part no. 530031112.

Feb 19, 2011 | Poulan Pro 42CC 2 Cycle Chainsaw, 18"

1 Answer

Is there a replacement clutch cover for the Poulan PP4218AVX?


Hello Dave;
If a Poulan PP4218 your answer follows; if not post back with the correct model number and we can replace that too.


Poulan “PP4218AVX” IPL (exploded parts list)
We are going to replace this page 1; item 47
http://weborder.husqvarna.com/order_static/doc/NIUS/NIUS2010/NIUS2010_545103408.pdf


Poulan “PP4218AVHD” IPL
http://www.ordertree.com/modelinfo/PWE/PP4218AVHD-Gas-Saw-Type-2/75.PP4218AVHD-Gas-Saw-Type-2.1.59.1.html

With this; “Handle, Chassis & Bar Assembly” print; item 44; Clutch Cover Assembly; $9.50.
You also need;

• Item 43; Bar Mounting Nut; $0.56 each (need 2) and
• “Engine Assembly” print; Item 44; Scrench; $9.75.
This is the configuration professionals have used forever. The only thing to remember here is to hold the nose of the bar up when adjusting and tightening the bar nuts.


You will need retain the original model number IPL, there may be internal differences.
Down loadable PP218AVHD IPL
http://weborder.husqvarna.com/order_static/doc/NIUS/NIUS2006/NIUS2006_545014325.pdf

Poulan “PP4218AVHD” OM
http://weborder.husqvarna.com/order_static/doc/NOUS/NOUS2005/NOUS2005_545047503.pdf


If you have more questions or need additional help please reply below and I will get back to you. Good Luck. HTH
Lou
Thank You for using FixYa.

May 16, 2010 | Poulan Pro 42CC 2 Cycle Chainsaw, 18"

1 Answer

Yes i cracked the oil housing for my poulan pp4218avx 42cc chain saw and I was wondering if they sale a replacement housing to repair the saw.


A Poulan PP4218AVX Gas Saw link follows:
http://www.ordertree.com/modelinfo/PWE/PP4218AVX-Gas-Saw/75.PP4218AVX-Gas-Saw.1.59.1.html
See the "Handle, Chassis and Bar Assembly" print, item 38. Is this what is broken? If yes it is possible to replace it, it is not terribly expensive, it is a great deal of precision work. I hope you already removed the clutch (left handed thread). I would probably keep this for parts and purchase a PP4218AVHD Gas Saw Type 2 as a replacement. HTH
Lou

Feb 23, 2010 | Poulan Pro 42CC 2 Cycle Chainsaw, 18"

1 Answer

CSP 3314. The clutch slips and cannot get a good cut. Any ideas?


Try washing out the clutch interior with carburetor cleaner from an auto parts supplier and blow out with compressed air.

Jun 22, 2009 | Garden

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