STIHL MSA 220C electric oiler issue

[Tony_]

I really like my STIHL MSA 220C electric. The problem is that the chain oiler is barely working now.
It used to drain the oil tank with every battery charge, but now it uses none. I'm using the same oil.
I pulled the bar and ran it, oil comes out of the supply hole, but it's extremely slow.

Has anyone experienced this issue?
I want to fix it myself but can't find any parts diagrams or service support from Stihl. I think this is a typical lack of support for their products
I can't afford the downtime of dropping it off at a dealer. Any suggestions on what to check or how to fix it?

 

[Alan]

Clogged oil passages or a weak pump might be the problem. Hope someone here can help with a fix!

 

[STIHLTECH]

Here you go.

 

[Paul]

The oiler on this saw is similar (same) as on an ms 170, 180.
Quite often they get plugged in that little groove down the side of the pump. The pump can be pulled with a 5 mm screw and a pair of needle nose pliers. Pay close attention to the depth that it’s in the housing and the orientation. There will be a little picture on the housing to show which way the groove points.
There is a little tool to push it in the right depth, but you can just measure it carefully.
Make sure the drive gear under the clutch is ok as well as the little wire that engages the sprocket.
Hope this helps.

 

[Paul]

Actually, I just looked:
It’s the same pump as an 023/025/ms230/ms250

 

[Alan]

I really appreciate the help! Hope the OP can update us soon about the issue with the STIHL MSA 220C oiler.