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XS Scuba MultiMax Breathable Inflator Service Manual
b. Using a small crescent wrench on the valve
housing (35) and a 13 mm wrench on the inlet
stem (28), tighten the two subassemblies until
snug.
7. Installing the breathing valve into the body
a. Respecting the indexing flats inside the body (8)
and on the valve housing (35), and with the lever
facing away from the mouthpiece (25), insert the
entire breathing valve assembly into the body (8).
b. Align the C-clip (7) with the lower of two grooves
on the inlet stem (28) and squeeze into place using
pliers wrapped with tape to protect the finish.
c. Install the dust cap (6). Seat it into the groove just
above the C-clip (7).
8. Final assembly occurs during Testing and
Adjusting
Adjusting and Testing
NOTE: There are two adjustments on the
MultiMax.
1. The crown orifice (30), which can be driven
in and out by inserting a 3/16” hex wrench
through the inlet stem. Turning CW reduces
the distance between the crown orifice (30)
and the seat (31) and increases the opening
effort. Turning CCW increases the distance
and reduces the opening effort.
2. The nyloc nut (19), sets the spring tension
as well as lever height. It gets rotated with
the 5.5 mm socket or nut driver.
