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The following pictures are before
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pictures taken for reference
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 Piano
Action (Left) Upper Player Section (Left)
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 Piano
Action (Right) Upper Player Section (Right)
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 Lower
Player Section (Sustain Pedal Pneumatic)
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 Lower
Player Section (Pump, Reservoir, Stack Cutoff and Tempo
Regulator)
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 Lower
Player Section (Hoses and Linkages)
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 The
Player Piano Rebuild Kit
From here, it's take all the
replacement parts and start the long journey of the rebuild
process.
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The
following are taken after all sections
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were taken
out and brought to my shop
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Piano
action thoroughly checked over to tightening of all screws,
hammer shaping to
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replace and
cracked or broken parts, eliminate the deep grooves in the
hammers
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 Removing
all the old bridle straps.
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 Attaching
new bridle straps
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Player
action detail
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reference
pictures
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 Roll
transmission (from the back)
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 Roll
motor (from the back)
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 Spool
box (from the left)
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 Spool
box (from the left, closer)
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 Roll
transmission (from the front)
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 Roll
motor (rotor valve timing settings)
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 Reference
of where the hoses start (left)
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 Reference
of where the hoses start (right)
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 Pneumatic
stack (left)
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 Pneumatic
stack (middle)
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 Pneumatic
stack (right)
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Ready to start disassembly,
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cleaning and reassembly
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 Remove,
disassemble and prepare to reassemble of pneumatic to finger
stickers with buckskin (88)
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 Removed
pneumatics from main wind chest. (88) Also, starting to remove
pneumatic mounting pins from pneumatic valve block (176)
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 All
pneumatic mounting pins removed (176)
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 Time
to soak off old pneumatic cloth and loosen pneumatic block valve
for disassembly (88)
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 Disassembled
and drying pneumatic and valve block (88)
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 Separating
pneumatic valve blocks from the rest of the assembly (88)
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 Making
sure that the valve hole is big enough for the valve assembly
(88)
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 Making
sure that the vacuum hole is big enough to activate the valve
properly (88)
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 Examining
valve block for hair line cracks for possible air leaks, fixing
if needed (88) Also, with 0000 steel wool, polished brass valve
seat ring (88)
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 Gluing
in valve pouches (88) Testing pouch travel with test valves
(88)
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 Assembling
top half of pneumatic valve (88)
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 Attaching
bottom half of pneumatic valve with top half (88)
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 Matching
pre-numbered pneumatic valve block with matching pneumatic boards
(88)
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 Gluing
on new pneumatic hinge and felt dot for limiting the closing of
the pneumatic (88)
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 Marking
and cutting out strips of pneumatic cloth for recovering the
pneumatic boards (88)
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 Remember
each step is done 88 times a) fold and square off hinge b)
find the middle of the cloth and glue the edges of the pneumatic
to the cloth c) glue cloth to one side d) glue cloth to the
other side e) flap over and glue end of cloth to pneumatic f)
flap over and glue the other end of the cloth to pneumatic g)
let glue dry and trim of excess
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 Assemble
valves, glue on outer seat ring, let dry and test for leaks, fix
if needed (88)
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 Glue
on finished recovered pneumatic boards to valve block, let dry
and test for leaks, fix if needed (88)
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 Finished
pneumatics, ready to reattaching (88)
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 Disassemble,
clean and reassemble spool box
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 Disassemble,
clean and reassemble roll transmission
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 Attach
rebuilt roll motor to transmission mounting board and hook up
tracking linkage
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 Measure,
cut and run new tubing between tracker bar and nipples on main
wind chest (88 + expression hoses)
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 Insert
pneumatic mounting pins in pneumatics (176). Start mounting them
on to the main wind chest, checking for leaks, fixing of needed
(88)
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 All
pneumatics are mounted. Ready for the pneumatic fingers (88)
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 Attaching
the pneumatic finger assembly (88)
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 All
Done Ready for final testing
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Before reference pictures of
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exhausters and reservoirs
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 Back
view
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 Front
view
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 Exhausters
and reservoirs taken apart from main vacuum channel. Old material
removed from exhausters and reservoir
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 Exhausters
and reservoir recovered with new bellows material
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 Main
vacuum channel sealed and sanded. Exhausters reglued to main
vacuum channel.
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 Reservoirs
reglued to main vacuum channel. All hardware reattached, ready to
go back into the piano
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