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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)

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