9
XTX Second Stage Regulator Maintenance Manual
REASSEMBLY PROCEDURES
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.
This Ends Disassembly
Before starting reassembly, perform parts
cleaning and lubrication according to the
procedures outlined in ‘Cleaning & Lubrication’
on page 21.
NOTE: If the Exhaust Valve (25) is to be
removed, pinch edge of Exhaust Valve and pull
tail through hole in Case (24).
Inspection and Removal of Exhaust Valve
Removal of mouthpiece
19. To remove the Exhaust Tees (21) & (23), depress the
retaining button located in the centre (see picture) and
slide the Left Hand Exhaust Tee (21) off the Case (24).
Then Slide the Right Hand Exhaust Tee (23) off the
case.
20. Fold back the edges of the Exhaust Valve (25) and
inspect underneath. The seating surface should be
clean and free of damage. Inspect the Exhaust Valve.
It should be supple and have well dened edges.
If it looks good, there is no need to remove it and it
may be reused. If there is any sign of deterioration, it
should be replaced.
21. Using side cutters,
snip the Mouthpiece
Clip (11) taking
care not to damage
the Mouthpiece
(12). Remove the
Mouthpiece (12).
1. If the Exhaust Valve (25) was removed, replace by
threading the tail through the retaining hole on the
outside of the Case (24) 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 (22)
is rmly located in
the Left Hand Large
Exhaust Tee (21).
3. Align the Left Hand Exhaust Tee (21) guide with the slots
on the Case (24). Slide the Exhaust Tee onto the Case
until the retaining button is positioned centrally over
the Exhaust Valve (25). Align the Right Hand Exhaust
Tee (23) with the Case and slide into position, until the
retaining button clips underneath the Left Hand Exhaust
Tee (21).
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