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SILENT SB SERIES
STEP 5
The screws on each shank stopper section
give the fine hammer stop positioning and
eliminate unevenness in the same section.
(Fig. 3) --> OK STEP 3
STEP 6
Normally the shank stopper position is set correctly in the factory. The height adjustment and lateral
adjustment can be done as following drawings. --> OK STEP 2
Base part
(Rear view)
NECESSARY STANDARD MEASUREMENTS
Acoustic adjustment process
Shank stop position
Hammer let (set) off
Keyboard height
Keyboard depth
Hammer stop (catch distance)
26
H a m m e r s h a n k s t o p p e r
Height adjustment
Fig. 4
Middle part
(Rear view)
Standards
4.5 mm from string (Max. 7 mm)
5.5 mm - 8 mm (1 mm wider than stop opsition.)
U1 - Silent:
69 mm from keybed, 19 mm from front sill top
U3-Silent:
64 mm from keybed, 21 mm form front sill top
10 mm (white keys)
13 - 15 mm from strings
Lateral adjustment
Fig. 5
Treble part
(Rear view)
Fig. 3
Fig. 6