046 oiler

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StihlKicking

Minister of Fire
Jan 12, 2016
501
Hatchie Bottom, MS
I have an 046 that is not oiling. When I rev it up with the bar off nothing comes out of the oil port, however oil leaks out from below the chain tensioner. Also it appears that the bar oil reservoir is full of air bubbles. I ordered a new pump and worm gear. Do you guys think these parts will fix the problem or am I missing something else? Thanks
 
I have never heard of an oil pump dying...
Make sure the pump is actuality being driven, worm gear and the connection to the clutch
I would make sure the oil pickup wasn't plugged, same with the oil delivery tube, clean the bar oil holes and groves.
Is it the right bar for the saw?
Try dumping the oil out and using some diesel in the oil tank to clean everything.
What do you use for bar oil
 
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I have never heard of an oil pump dying...
Make sure the pump is actuality being driven, worm gear and the connection to the clutch
I would make sure the oil pickup wasn't plugged, same with the oil delivery tube, clean the bar oil holes and groves.
Is it the right bar for the saw?
Try dumping the oil out and using some diesel in the oil tank to clean everything.
What do you use for bar oil
All of this ^^^
 
I use orange jug Stihl bar oil. Bar and chain are correct, holes in bar are clear, intake hose is clear and in good shape, delivery channel is clear. I will inspect the worm gear more closely when I get home. The pump appears to function correctly when out on the bench. The air bubbles in the reservoir really threw me for a loop. Fingers crossed it’s the worm gear.
 
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Should the metal arm on the worm gear have any play in it at all? Mine will turn on the gear with some moderate pressure applied to it. It’s not loose and floppy.
 
I believe a tad bit of play is normal.
 
This may not apply to your 046 due to the age. Have you had the clutch off? I pulled mine on my 193t to grease the needle bearing behind it. The drive for the oil pump is right behind them. When I reassembled it I had a leak behind the clutch and after going through it a second time it was fine. It hasn't been seated right the first time.
 
Both the oil and fuel have to have air released, so breath. On Stihl saw's there is a metal valve that has one end in the oil tank and one end exposed to the air. It is under the side cover (silver, round, smaller than pinky tip). It can be banged out by sticking a tool into the oil tank. It rarely has a problem, but it can happen. This valve is probably okay since you are getting oil out the bottom. The connector between the pump and the endpoint might be the issue.