Dungs FRM-NOC 100025 HD, Instruction Manual, Page: 33 / 76

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MC • Edition 2022.08 • No
. 279 663 R
ev
. -0
33 … 76
Remove the disc from the spring D incl. ball.
D
5
E
Remove the adjustment spring E from the spring chamber F.
6
7. Insert a new spring with the appropriate adjustment
range.
8. Place the disc D with the ball back on the spring
9. Screw on the shut-off cap C again on the spring dome.
Tighten the adjusting screw B until the desired spring
pre-load is reached. Re-fit the protective cap A.
Never have your head above or near the
aluminium cap when removing regulator
spring. The spring tension can be high
enough to rapidly eject the aluminium cap
with a large force.