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Precision made from aluminum. Let Off Rack, String Height, Backcheck and
Damper Lever Height Gauge.
Completely disassembles for compact storage.
Takes the guess work out of grand regulation.
(A) String Height Gauge Attacment. Insert into either of the two stands and by placing
underneath the string
an accurate reading can be obtained from ruler guage.
(B)the let off rod is then replaced into the stand
and set for 1/16" lower than the string height reading.
Now you are ready for let off regulating.
(C) Backcheck Gauge Attachment
Insert into stand like string height gauge attachment
and set at the same reading (shown in insert).
The bottom of the bent rod will be 5/8" from the strings.
When the hammer is the same height as the bottom of the
the backcheck will be properly set.
(D) Damper Lever Height Gauge
Insert into the base of the stand and set the top of the
extended part of the gauge under the damper lever.
The measurement should be made when the hammers are
half-way elevated or keys half-way depressed.