Question about Husqvarna , No.455 Rancher, 20" Gas - Powered Chainsaw

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Bar oil is not flowing - Husqvarna , No.455 Rancher, 20" Gas - Powered Chainsaw

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Remove the bar and chain. Start the engine and watch for oil oozing out of the side port on the engine where the bar fits to. If ok, clean the area, then clean the two small oil passages that run from the large holes in the drive end of the bar out to the chain groove on each side of the bar. Clean the chain groove too. If no oil came from the engine port, then repair of the oil pump, drive gear, or associated components is necessary. These parts are behind the clutch assembly. Hope some of this helps!

Posted on Sep 12, 2010

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How to correct no oil flow to bar on Model172.34120


ive not done much with this model but I can give you some basics on why I see lots of chainsaws loose there oiling of bar
(1) Wrong oil used in supply tank- most all chain saws take 30 wt bar chain oil . this is a lite/fine oil and needs to be so it flows thru small ports and pump on saws
(2) fine sawdust in supply tank - I guess anything can fall in the tank but I do find theres a lot of junk that falls in there over time , if it don't flow like oil does then it don't belong in the tank
(3) sawdust jammed in bar ports this id say is the biggest one I find , seems sawdust (all different size pieces) finds its way into the fine ports that oil is suppose to flow thru , sawdust mixed with oil makes a darn fine plug !!!

other than these simple things above , most saws have lots of parts that can break and fall off look for something just not right looking and sometimes it will be very obvious whats missing

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to test if your oiler is functional remove bar and chain and start unit. if it drips oil with bar and chain off then clean the oil hole in the bar. if plugged it will prevent oil from reaching bar for lubrication of chain

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1 Answer

On the poulan 42cc chainsw how do i adjust the flow of bar oil


To adjust the automatic oil flow, Turn the chainsaw upside down. Turn the screw marked with a "+" or "-" toward the "+" sign. If too much oil is present turn the screw toward the "-" sign. Repeat the oil test and adjust as necessary.

Read more : http://www.ehow.com/how_7767305_adjust-bar-chain-oil-flow.html

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1 Answer

Oil not goingg to the bgar


Have you cleaned the oiling hole in the guide bar.? Scrape out the full length of the guide bar using a cleaning tool. There is an oiling hole at the back of the bar on either side which the oil flows into.

Is oil being pumped out the saw.? Remove side casing and guide bar, run the saw and check the flow.

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Homelite CSP 4518 oil pump


The most probable cause is the oil line inside the saw from the oil tank to the pump or oil flow being blocked at the rubber ball that you can see when you remove the chain, bar and plate before it has a chance to get to the bar. in my case i had the oil line itself blocked from dust getting into the oil tank over time

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1 Answer

Excessive bar oil coming from clutch area.


Is bar oil getting on the chain? Depending on the model, their maybe an adjustment on the oil pump to control the flow, check the owners manual. Also make sure you are using bar and chain oil as regular motor oil is much lighter and tends to get "flung" off more.

Feb 16, 2011 | Husqvarna "Chain Saw - 16" Bar, 3 Hp

1 Answer

No oil to bar


Remove the nuts that hold the clutch cover on, Then remove the bar and chain. Make sure the port hole in the bar is open for the oil to flow into the chain groove. The oil ports can get plugged by sawdust and chips. Bar oil is sticky. The bar and chain should be removed and cleaned on a regular basis. Clean the groove in the bar too. Also make sure the port on the saw body is open. Start the saw with the bar and chain removed, if oil doesn't flow from the port, then you have a faulty oil pump and will need to go in deeper to replace the pump parts.
Always use proper clean chainsaw bar oil. Using other types of oil can burn up your oil pump.

Dec 27, 2010 | Makita DCS6401 20 20",64cc Chainsaw 2...

1 Answer

My saw barely uses half of the oil tank with a tank of gas when new it used almost all of it and even sometimes ran out


1. clean bar & saw - checking oil holes, groove on bar; oil outlet on saw - may be partially blocked - a fine wire may assist with careful clearing.
2. if cleaned replace bar/chain and test for oil flow.
3. drain oil and check if there is a filter, clean/replace filter and clean out tank.
4. see step 2
5. If still not flowing - check for manual adjustment of oil pump.(May need to be advanced)
The next steps depend on your own abilities and experience as to whether you want to further investigate or approach a reputable dealer to see about repairing or replacing oil pump and or associated oil line(depends on your brand/model etc).

Jun 26, 2010 | Husqvarna "Chain Saw - 16" Bar, 3 Hp

1 Answer

Poulan Pro Chain Saw Bar Chain Oiler Stopped Flowing


The filter can usually be caught with a hooked wire and drawn up far enough to deal with the filter. Oil filters are not prone to plugging unless the oil used is contaminated. If you run the engine without the bar and chain attached, oil should ooze out of the engine side port. If nothing, suspect problems with the oil pump. Some saws use a plastic gear in the pump and can strip the teeth of the gear. You should find it located behind the clutch assembly. Once you have oil flowing from the engine, clean the bar drive-end oil ports that go from the large holes out to the chain groove on each side. Finally, run the bar tip near some cardboard--it should throw off a thin line of oil. I have no idea what the plastic tube might be (a manual pumper perhaps?). Hope this helps!

May 23, 2010 | Poulan Pro 16-Inch 38 cc Anti-Vibration...

1 Answer

No oil flows to chain


Depending on your knowledge and experience -
1. Find your manual and check on maintenance routines.
2. If no manual avail - clean your saw and your bar.
Bar - oil holes clear, groove clean etc
Saw - locate where the oil pumps out - ensure any guides, holes etc are clean.
3. If saw gas manual oil pump adjustment screw -advance the flow
4 Drain the oil tank checking for dirt etc and if necessary clean tank with a little of your fuel.
5.Refill oil tank AFTER it is clean and dry.
6. Replace bar/chain etc and test if flow is better
If still no good you may need to repair/replace oil pump -not that hard to do but if in doubt take it to a reputable dealer.

May 20, 2010 | Husqvarna "Chain Saw - 16" Bar, 3 Hp

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