Unable to locate adjustment control for chain oiler model 345 husqvarna chainsaw

Tom, Check the attached links,instruction and guides on Husqvarna chainsaw, Good luck
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Husqvarna rancher 55 chain bolt replacement

http://www.husqvarna.com/ddoc/HUSO/HUSO2002_USen/HUSO2002_USen__1140106-95.pdf

How to Change Chain on Husqvarna Chainsaw Model 445

How to Adjust the Oiler on Husqvarna 55 Rancher

The Husqvarna 240 does not have an adjustable oiler. Always use good quality bar and chain lube, never motor oil.

As standard the 345 did not have an adjustable pump, there was an option of an adjustable pump, if it has the on, then the adjuster is a three position screw comimg up from under the crankcase below the sprocket, you will see a + and - on the edge of the tank at this point.

Not all 345 machines had a adjustable oiler as standard, they were retro fittable, if it has an adjustable pump there will be a screw head under the crankcase below the sprocket, you will see a + and - sign on the fuel tank with an oil drop.

This machine has a geared side adjust tensinor, i woud say the gear system may have striped, remove the clutch and drum, remove the allen screw securing the silver bar protector plate, the adjuster will now just lift away complete, check its function, replace if required, check the oiler is working, hold the saw over some cardboard, rev the engine and check to see if there is a good oil spray onto the card.

At the end of the bar there's a small hole. Every time you fill the oil you should also put some oil into that hole and turn the chain so it spreads into the bearing. The chain oil is not intended to be enough for that bearing. I hope that will solve your problem.

There is an oil-volume adjustment screw located near the chain return area either in back, or just under the case. Turn it CCW to increase volume. Hope this helps!

Remove the bar and chain. Start the engine and observe the oil delivery port in the side of the engine case. At a fairly fast speed, the oil should ooze out of the port. If little or nothing, check the pump, lines, and in-tank filter. If ok, clean the bar drive-end holes of sawdust and dirt, especially the small passages that go from the large holes out to the chain groove. Clean the entire groove and the outer end sprocket. Reassemble and test the oiling by running the bar tip at speed in front of a piece of cardboard--it should throw off a thin line of oil after several moments. Hope this helps!

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.

An IPL (exploded parts list) for a 440 can be found here:
http://weborder.husqvarna.com/order_static/doc/USA/2009/I09000/I0901018.pdf
There is no oiler adjuster listed. HTH
Lou
Might be a good idea to copy the IPL,

You may have a problem with blockage in the oiler system somewhere. Try emptying out all of the bar oil and swishing some gas around in the bar oil tank to clean it out. This will work some of the time. Sometimes you have to take the oiler off and blow thru the lines into the tank,( make sure the oil fill cap is off) and blow into the oil tank out thru the line to clear out any debris . The adjustment for the oil pump should be on the bottom of the saw. Here is the manual with the procedure on page 32 of the manual. Hope that helps you.
http://weborder.husqvarna.com/order_static/doc/HOUS/HOUS2004/HOUS2004_1140235-95.pdf