9
MTX-R 2nd Stage Maintenance Manual
Fitting Exhaust Valve and Exhaust Tees
WARNING: Flooding may occur if the tail of
the valve is not fully pulled through. Check
that barb has engaged on inside of Case.
1. If the Exhaust Valve (29) was removed, replace by
threading the tail through the retaining hole on the
outside of the Case (6) until the barb engages on the
inside. If the Exhaust Valve is new, cut off the excess
stem with side cutters leaving approximately 5mm of
the tail behind.
2. Check that the
Exhaust Rib is rmly
located in the Left Hand
Large Exhaust Tee.
3. Align the Left Hand
Exhaust Tee guide with
the slots on the Case
(6). Slide the Exhaust
Tee onto the Case until
the retaining button
is positioned centrally
over the Exhaust Valve
(29). Align the Right
Hand Exhaust Tee with
the Case and slide
into position until the
retaining button clips
underneath the Left
Hand Exhaust Tee.
Assembling and Fitting Valve Assembly
NOTE: Ensure Silicone Seat has been tted
ush with Shuttle Valve.
4. Install a new,
lubricated ‘O’ Ring (10)
onto the Valve Spindle.
(17).
5. Press a new,
lubricated ‘O’ Ring (23)
onto the stem of the
Shuttle Valve (22).
7. Fit the Valve Spring (24) onto the leading edge of
the Counterbalance Cylinder (25). Carefully guide
the stem of the Shuttle Valve assembly through the
Spring and into the Counterbalance Cylinder.
NOTE: The short
exhaust kit used
on the MTX-R
Octopus follows the
same procedure as
explained in step 3.
6. Press a new Silicone Seat (21) into the front of the
Shuttle Valve (22).
NOTE: Ensure the surface is clean and at when
pressing Shuttle Valve onto Silicone Seat.
REASSEMBLY PROCEDURES