Back in the day logging I ran the winter cover on my 064 year round. Kept the lo profile filter with pre filter screen alot cleaner.
Tried the early HD oiled filter on the 064 with the pre filter sock but was a POS.
Always carried a spare filter to swap out at lunch break. And just tap the filter with the scrench one other time during the day if the wood was dirty.
That's why Stihl made quick access 1 knob covers since the '70s.
Quit whining and get back to work.
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