Duo Art Expression Box
New leather and
Reassembly
New leather facings are
cut and installed. The bottom valve is glued and the top
one is put in without glue. There is meticulous
regulation of valve travel by way of depth gauge micrometer and
the top valve will have spacer papers under it to regulate
it. The red ring is a fiber donut that holds the top
valve seat down.
The reassembled and
sealed box is painted black like the factory
did.
Once reassembled,
regulated, painted, tested and new breather felt is installed,
all the nipples and tubing is returned and sealed with plastic
glue.
3. Crash valve
before. Since it has the same valve and pouch as the 8
valve box, they are done together.
4. Expression Box and
regulators on next page
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