Daisy 853 lost power...

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  • boisepaw

    boisepaw
    Jan 5, 2015
    380
    Eastern shore, MD
    Shooting my Daisy 853 this morning from the kitchen counter out the back door (it's COLD out there), all of a sudden the sound changed when I squeezed the trigger and I was no longer hitting my targets in the back yard. When I would aim at something large 10 feet away I could see that a pellet was coming out but even on a rest I could no longer hit the small target 40' away that I had been hitting all morning. What's up with that?
     

    boisepaw

    boisepaw
    Jan 5, 2015
    380
    Eastern shore, MD
    I set the rifle aside for an hour or so and then shot it again to see if I could figure out how much "power" it had lost and...voila! It started shooting just fine again. Anyone have any ideas why that might have happened?/
     

    John from MD

    American Patriot
    MDS Supporter
    May 12, 2005
    22,892
    Socialist State of Maryland
    Hopefully you only use silicone oil for springers. Your description makes it sound like the valve was sticking and you weren't getting a full charge of air. Unless you had outside for a couple hours, the cold shouldn't affect it at all.
     

    BigTinBoat

    Active Member
    Jan 12, 2016
    341
    Eastern Baltimore County
    Hopefully you only use silicone oil for springers. Your description makes it sound like the valve was sticking and you weren't getting a full charge of air. Unless you had outside for a couple hours, the cold shouldn't affect it at all.

    John -the 853 is a SSP (single stroke pumper) so "petroleum" based oil is just fine, actually recommended. Problem is likely lack of oiling as suggested by Naptown. Crosman Pelgun oil is best for lubing the piston, but ND30w is the same thing without the red dye. Much cheaper. A Qt from Wallyworld will last several lifetimes. When I had my 853 I usually put 2 or 3 drops on the foam "wiper" after each shooting session. If the piston seal is not lubricated it can get hard in the cold temperature and not seal during the compression stroke.
     

    John from MD

    American Patriot
    MDS Supporter
    May 12, 2005
    22,892
    Socialist State of Maryland
    John -the 853 is a SSP (single stroke pumper) so "petroleum" based oil is just fine, actually recommended. Problem is likely lack of oiling as suggested by Naptown. Crosman Pelgun oil is best for lubing the piston, but ND30w is the same thing without the red dye. Much cheaper. A Qt from Wallyworld will last several lifetimes. When I had my 853 I usually put 2 or 3 drops on the foam "wiper" after each shooting session. If the piston seal is not lubricated it can get hard in the cold temperature and not seal during the compression stroke.

    I guess I am behind the times. So this rifle pumps a tank and then the hammer releases the air similar to a PCP? No big piston being released like a standard break barrel?
     

    BigTinBoat

    Active Member
    Jan 12, 2016
    341
    Eastern Baltimore County
    I guess I am behind the times. So this rifle pumps a tank and then the hammer releases the air similar to a PCP? No big piston being released like a standard break barrel?

    Yep. The single stroke of the lever compressed the air inside the "cylinder". This air is then released when the valve is opened. Same operation as the Daisy 880 you can get a Wally World except that all of the air is compressed in a single stroke.
     

    boisepaw

    boisepaw
    Jan 5, 2015
    380
    Eastern shore, MD
    So...thanks to all for the input...and especially BigTinBoat who has been so helpful to me in the past this air rifle.

    The problem seemed to have solved itself yesterday...it was shooting just fine. Then just now I got it out to shoot it again and after a handful of shots the same problem...virtually no pressure apparently.

    So...lacking much confidence in my own mechanical ability...where would I find a video or an article about tearing down the rifle, oiling it and putting it back together so that it actually will shoot again?
     

    boisepaw

    boisepaw
    Jan 5, 2015
    380
    Eastern shore, MD
    Just to note...the rifle is kept in the house so it is not left out in cold temperatures at all. And I shoot from inside the house as well...from my kitchen counter. So it doesn't even go out into the cold when I shoot it.
     

    boisepaw

    boisepaw
    Jan 5, 2015
    380
    Eastern shore, MD
    Well...I'm a little embarassed here...I shoot the darn thing and then put it away. I don't pump it to leave any pressure in it or anything like that. But BigTinBoat would probably be better able to address that question...
     

    BigTinBoat

    Active Member
    Jan 12, 2016
    341
    Eastern Baltimore County
    So...thanks to all for the input...and especially BigTinBoat who has been so helpful to me in the past this air rifle.

    The problem seemed to have solved itself yesterday...it was shooting just fine. Then just now I got it out to shoot it again and after a handful of shots the same problem...virtually no pressure apparently.

    So...lacking much confidence in my own mechanical ability...where would I find a video or an article about tearing down the rifle, oiling it and putting it back together so that it actually will shoot again?

    No need to disassemble. Just open the cocking lever fully. You should see a foam wiper just above where the piston o-ring is.

    Look at this blog there are pics.
    https://www.pyramydair.com/blog/2016/05/the-daisy-853-part-2/

    Also it is fine to let the gun cocked while it is stored. This will actually keep the seal shape. As much as you shoot the gun it might be time to replace that piston o-ring
     

    boisepaw

    boisepaw
    Jan 5, 2015
    380
    Eastern shore, MD
    So...open the lever to cock the gone and put oil where it says: "OIL HERE". Why didn't I think of that. Thanks again for your help. Any problem with shooting the darn thing until it stops working before replacing the piston o-ring?
     

    BigTinBoat

    Active Member
    Jan 12, 2016
    341
    Eastern Baltimore County
    So...open the lever to cock the gone and put oil where it says: "OIL HERE". Why didn't I think of that. Thanks again for your help. Any problem with shooting the darn thing until it stops working before replacing the piston o-ring?

    No problem doing that at all. When it gets too worn I would guess you will slowly start to see the velocity drop due to not being able to get the pressure up.
     

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