Parts Cleaning - SCUBAPRO-UWATEC MK11 Maintenance Procedure

For the DIN version: Remove with the o ring extractor the "tank" o ring, then with the
4 mm Allen key unscrew the filter retainer. Remove the spring and the filter. Firmly
hold the field handle tool in the vice and use the 6 mm socket extension to unscrew
with care the DIN knob retainer. Remove the o-ring and the knob. Put aside the o
ring (01.050.138) for inspection.
5. Unscrew the spring adjustment screw with the 6 mm. Allen key. Remove the nylon
washer inside
Note! : The diaphragm disc will not come out trough the spring adjustment screw
hole.
6 With the universal tool, unscrew carefully the diaphragm retainer; remove the dia-
phragm disc and the 2 washers with the o ring extractor.
7 With the o ring extractor carefully remove the diaphragm, the thrust disc, the metal
disc insert and the pin.
9. Unscrew the balance chamber with the 6 mm Allen key. Remove the 2 balance
chamber o rings on the outside, the spring, the spring centring washer, the balance
chamber o ring and the bushing ring from the inside.
10. Remove the spacer, the guide from the HP poppet.
11. Use the MK 16 tool and lightly push the tool against the orifice while blowing into
st
the 1 stage body from the opposite side (diaphragm side) with the blowgun to
carefully remove the orifice. With the o ring extractor tool, remove the o ring from
the orifice.
12. Remove the field handle tool.
the spring

PARTS CLEANING

WARNING: refer to parts cleaning
MK 11 rev 1.1 2006
adjustment screw
procedure.
3 / 3
and the spring.