FIRST STAGE VALVE
3720
Removal:
1. Remove the blind screw (29 and
31) with a 5 mm Allen wrench.
Remove the o-rings (30 and 32)
with an o-ring remover.
Make sure the sealing surfaces
are not damaged.
2. Remove the locking screw (35)
with a 4mm Allen wrench.
Remove the pressure spring (16)
and the valve piston (34).
3. Remove the valve sealing (33)
from the valve piston (34) with
an o-ring remover.
CYKLON
1.0:E87
Cleaning:
If corrosion or salt deposits occurs, place all metal parts in concentrated Hempocid* or 15%
Hydrochloric acid for about 10 minutes.Then rinse them thoroughly and blow dry with air. The
synthetic parts in the second stage must not be treated with solvent. They shall be cleaned in
freshwater only. *Hempocid = Acid Liquid Detergent Containing phosphoric acid (5-10%) and
bactericid for desinfectant cleaning.