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MS291 Does NOT have an oil adjustment screw. It is an auto oiler. Make sure the ports are clean and oil is coming out running the saw with chain off. Then add a little canola oil to your chainsaw bar oil and thin it down. You will get a better flow. Stihl has a poor design on this model.
? 2:44
https://www.youtube.com/watch?v=PnNTJ3xI_wo
Mar 24, 2012 - Uploaded by 343HFD
Refurbished, carb cleaned/adjusted, new filter, fixed automaticoiler. Anyone know the nut size for the bar ...
? 6:38
https://www.youtube.com/watch?v=kmUkieIP-vw
Jan 20, 2012 - Uploaded by gregthegardener
lf your chain saw isn't lubing the chain it can cause serious chain ... How to Replace the Bar & Chain Oil ...
If its adjustable, you should see a + and a - cast in the block of the saw directly under the oil pump. Turn the saw upside down and look near the sprocket on the saw bottom. A slight move to the - sign will decrease flow. Most new saws built for the homeowner use do not have an adustable oiler. I do not know about yours.
Wow, an 031 AV and its still running ?? You really got the life out of that one !!! The oiler is mounted on the outside of the block around the crankshaft behind the sprocket. Bar and chain, sprocket and another side cover must come off first. Make sure you blow everything clean with a air compressor during disassembly, because its gonna be gnarly under there.
There MAY be two different types available: one with adjustable oil flow and one without. I would NEVER go with one that is NON-adjustable. Once done, pre-lube your bar and chain with oil prior to starting the saw. This prevents a few hundred revolutions of the chain without lubrication before the new pump gets oil through the delivery port.
Closely monitor the oil tank during the first tank of fuel going through the saw and adjust the oiler toward the minus (-) just a tad bit if the oil tank runs dry BEFORE the gas tank.
Remove the bar cover. Remove the chain and bar. Behind the bar you will see a set of 4 or 5 small square openings. This is the auto oiler. Make sure they are not obstructed with gunk. There is also an adjustment to increase the oil flow to the bar. It is a small screw and will be marked with a + on one side and a - on the other. You can adjust it to run from 5 (minimum) to 15ml (maximum) per minute. Never use old motor oil or 2 cycle oil in yo
Hello again Rudy.
Please reply below (Add Comments) with the serial number of your saw then I can investigate a little further.
You can reply even when the question is closed. I am not certain how but I get email notification of your reply when done correctly. If equipped the oiler adjustment is below the crankshaft on the clutch side. Look up from the bottom. On the side of my 359 is an icon of a link of chain with a drop of oil above it. The oiler adjustment is aft of that and can only be seen from the bottom of the saw. The manual I saw said 3 position only with CCW (3 - 18 to 20" bar) most oil. Forcing it beyond the stops causes a lot of problems. http://weborder.husqvarna.com/order_static/doc/HOUS/HOUS2007/HOUS2007_1150331-95.pdf
Page 36
Is your serial number is between 07 18##### and 08 17#####?
Page 5 item 1 shows location of the serial number. Not all newer saws have an adjustable oiler. Please reply below.
Lou
That seems low to me. Page 15 in your manual is the only oil discussion I found. Usually there is an oil pump adjustment reference somewhere. I didn't see one beyond return it for service on page 15. Are the chain and bar hot after cutting a while? I recommend you not get a longer bar without an oiler adjustment. I think the hand of the EPA has been here.
The Stihl 026 PRO does have an adjustable oiler and it is located on the bottom of the saw just below the clutch drum.
Stihl also builds an 026 "Standard" without the adjustable oiler, however, the hole location for adjustment is still there.
The 026 PRO will also have a decompression valve on top of the saw to make the rope easier to pull during startup. If you have the DECO valve you should also have the adjustable oiler. Hope this helps.
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