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DM4: Leak Down Barrel

If your marker has an air leak down the barrel. Check the items below. ​Reference the manual as needed. 

Issue:
Bolt:
  • Using a 1/4” hex key, remove your fuse bolt and replace the o-rings listed below either one at a time, or all at once. Lube the Top Hat Internal o-rings with a generous amount of Dye slick lube (or other Dow33 based lube). Outer sleeve o-rings should get a small amount of lube.

    • #7 - Top Hat Internal (small): 013  (Note: If this was the bad o-ring, your input pressure is too high)

    • #6 - Top Hat Internal (large): 017

    • #8 - Outer Sleeve: 020 (qty. 5)

  • Remaining Bolt o-rings displayed below for reference:
    • #1 - Bolt Tip: 014

    • #2 - Bolt Sail: 015

    • #3 & 4 - Bolt Stem: 009

    • #5 - Cylinder (aka Beer Can) Internal: 017

    • #9 - Front Bumper: 015

    • #10 - Rear Bumper: 111 

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