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I have poulan 3400 saw and the pump will not pump oil, I have a new diaphram and gaskets in it, the pump is clean, ckeck valves work good,the engine runs goods. I even put 30wt. oil in it, no oil comes out the manual pump, What is the problem, help me please?

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There is definitely something plugging up the flow you need to dig deeper. Believe DAT!

Posted on Nov 07, 2010

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POULAN WILDTHING MODEL 2375 TOOK OFF IGNITION COIL TO CLEAN IT, DOES IT HAVE TO BE AT A CERTAIN GAP


WHY DID YOU DO THAT MAINTENANCE IN THE FIRST PLACE. IF THE SAW WAS STARTING AND STALLING BEFORE YOU DID THE WORK ON IT, I THINK YOUR PROBLEM IS A BAD DIAPHRAM GASKET IN THE CARBURATOR. YOU WILL NEED TO GET THE CARB KIT WITH ALL GASKETS. IF YOU FIND THE GASKET IS TORN, OR LEAKING FOR SOME OTHER REASON THAT IS THE CULPRIT. THE DIAPHRAM SET UP ACTS AS A KEY COMPOUNANT TO PUMP FUEL TO CYLINDER. THE SPARK GAP SHOULD BE THE THICKNESS OF THE CARDBOARD FROM A BOOK OF MATCHS. OR SLIGHLY BIGGER, YOU WILL TELL BY THE COLOR OF THE SPARK.. THE WORK YOU DID ELIMINATED THOSE POSSIBLE CONTRIBUTING FACTORS, SO LOOK AT THE CARB AND THE FUEL LINES TO THE CARB, MAKE SURE THAT THEY ARE IN GOOD CONDITION.AND NOT SOFTENED BY THE GAS AND OIL. IF THE SAW HAS SAT WITH GAS IN IT FOR A LONG PERIOD OF TIME THE GASLINES WILL DETERIORATE.

Oct 13, 2014 | Garden

3 Answers

Fuel mix ratio for poulan counter vibe 3400 chain saw; mix ratio


A different site that lists 40:1. http://www.acresinternet.com/cscc.nsf/ed1d619968136da688256af40002b8f7/4a98e23d38cbda9b88256bf80015de57?OpenDocument
Oil mix is controversial. Some think more is better, todays saws run much faster and carbon up much quicker. Ask the mechanics at a local saw shop. I will wager they say 50:1 regardless of the age of the saw. Me too! The Echo site now says use 50:1 regardless of what is printed in the OM. It is your saw Mike; run what you want.

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

May 02, 2010 | Poulan Pro 16-Inch 38 cc Anti-Vibration...

1 Answer

The 330 homelite chain saw bar is not getting oil.


If the pump is a piston type, there must be valves on both sides of the pump to control the flow of oil in one direction. The one in the tank is called is called a 'duck-bill' valve and may be mal-functioning. Can you move the diaphragm by hand to see if it pumps anything? Did you run the engine without the bar and chain attached to make sure the bar oil-ports were not choked up. Oil should ooze out of the engine side port when running. Hope some of this helps!

Apr 10, 2010 | Garden

1 Answer

My Poulan E300 Electric Chainsaw stop oiling the chain and bar


Hello JK; I am hesitant to answer this, these are all Poulan electric chainsaws that appear when the parts source is searched for Poulan Electric Chain Saws:
400E Poulan Pro Electric Saw
http://www.ordertree.com/modelinfo/PWE/400E-Poulan-Pro-Electric-Saw/75.400E-Poulan-Pro-Electric-Saw.1.59.1.html
400EX Poulan Pro Electric Saw
http://www.ordertree.com/modelinfo/PWE/400EX-Poulan-Pro-Electric-Saw/75.400EX-Poulan-Pro-Electric-Saw.1.59.1.html
ES400 Electric Saw
http://www.ordertree.com/modelinfo/PWE/ES400-Electric-Saw/75.ES400-Electric-Saw.1.59.1.html
PP250E Electric Saw
http://www.ordertree.com/modelinfo/PWE/PP250E-Electric-Saw/75.PP250E-Electric-Saw.1.59.1.html
PP300E Electric Saw
http://www.ordertree.com/modelinfo/PWE/PP300E-Electric-Saw/75.PP300E-Electric-Saw.1.59.1.html

All are plumbed the same to my eye. I assume you cleaned and tested the oil pick-up within the tank. If everything you say is true if the pump is driven it should oil.
1. What causes the pump to pump? I cannot tell from the IPLs. If gas and not gear driven, an impulse line (pressure/vacuum) from the crankcase drives it. There can be no impulse line on an electric and I see no gear. Does it rotate to pump oil? What imparts the rotation?
2. What purpose does item 27 (pinion) serve? Is it supposed to drive the pump? Is it missing teeth?
3. What is the purpose of item 44 (check valve). If it is an oil tank vent, and not opening, you are creating a vacuum in the tank if the pump is operating. Loosen the oil cap and see if it oils. If yes replace the check valve.

I think Joe Schmoe is saying Poulan redesigned the oil system to eliminate all the hose couplings. It makes sense, one hose from oil pickup (filter on hose end in tank) to bar is much less likely to leak, also no restrictions for any particles in the hose to form a clot on. I see nothing on my research to support Poulan doing that. There are a couple of new models that I cannot find an IPL for so it is possible. I have headache JK. If this does not solve it is not because I did not give it my all. Please post back (below) with success or failure. If successful what was the cause. TIA

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

Mar 29, 2010 | Poulan Pro Chain Saw 46cc 20"

1 Answer

I have poulan micro xxv chain not being oil when


wow thats an oldie, That saw uses a diaphragm pump located just above and in front of the clutch drum. Its going tobe hard to find one if its bad, Try cleaning out the oiler hole in the bar first, Then try running the saw without the bar and chain on and see if it pumps.Also check the oil pickup tube in the tank, It has a small screen on the end of it thats prone to sawdust clogging it. If it still does not oil then I suggest you locate the gasket and diaphragm for the pump before you take it apart. Remember to clean everything before reassembling,, Good luck

Dec 15, 2009 | Poulan Garden

1 Answer

I have 3 older Poulan chain saws, XXV, 1800, and 2000, essentially identical saws. They all use a check valve from the crankcase to pressurize the chain oil reservoir. The check valve apparently uses an...


These oilers are called diaphragm oilers and work fairly well when the saw is new with great compression. As the saw wears out, the compression drops and a side effect is less oil pumped. The diaphragm is replaceable and it's not horribly expensive. Most good saws use a gear oiler - and even the newer Poulans use gear oilers. The gear oilers tend to have less problems and don't rely on engine compression.

Oct 09, 2009 | Garden

2 Answers

Poulan oiler don't work


Common problem with Poulan and Craftsman gas saws. Take off the chain and chain guide and clean out all the saw dust etc. Start saw without chain and look for port where there are signs of oil. If port is clear of sawdust, then it is likely the pump which is located behind the chain break assembly. you can get the diagram on Poulan website and the replacement pump will cost about $15 - $20 to replace yours.

May 22, 2009 | Poulan Pro 42CC 2 Cycle Chainsaw, 18"

1 Answer

Poulan chainsaw wild thing


Remove the spark plug and squirt a little bit of the fuel from the gas tank into the spark plug hole, replace the spark plug and crank it over several times.

If it runs, or tries to run... that tells you that your engine, ignition system and gasoline are good (or atleast good enough to get it started)

Next check your fuel line and the primer ball. Make sure that when you pump the primer ball that you can see it pumping fuel through the fuel lines in ONE direction only. (It's kind of hard to see, you might have to start the test with empty fuel lines).

If that fails, you need a carb kit because that's where the check valves are. (unless your primer ball is cracked, broken, or clogged)

Next check the metering diafram and needle in the carb. If the diafram is hard (not easily flexible) or if the needle valve is stuck shut the engine will not be able to get the fuel that it needs to run.

If the Needle valve is stuck, just clean it and it'll most likely be fine.

If the diaphram is hardened, you need a carb kit.

If all the above is ok and it still doesn't work... check the gasket at the base of the carb to make sure that the posative pressure pulses from the crankcase are able to make it through the little holes into the carb (that's how it pumps fuel into the carb).

That's pretty much all the easy stuff. Keep in mind that a new carb only costs about $28 at most places.

Apr 16, 2009 | Poulan Wild Thing 2375 18" Gas Chain Saw...

2 Answers

I have inheirited a Poulan counter vibe 3400 it


Go to m-and-d.com then parts diagram then illustrated parts online then parts look up then select oem poulan then poulan then saw then look at list of models you will find 3400. Have worked on one or two of the 3400 and they seem to be a fairly good saw for home use.

Apr 07, 2009 | Poulan Garden

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