Yamaha AvantGard N3 Maintenance Handbook - Page 34

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4. Adjustment Procedure

4-1 Using buttons with an optimal shape, install the fall board rubber buttons A thru C at the top board (F) assembly

dedicated service part (C) positions.

• With the top board (F) closed, select the most suitable one so that there is no more than 1 millimeter deviation

in the gap between the front beam and the rubber button (E).

4-2 Close the top board (F) and check that the top board front is not unseated upwards.

(Shipping criteria: (E) Within 1 mm)

• If unseated upwards then reselect the rubber as in 4-1.

4-3 Securely glue each of the rubber buttons while taking care so that the adhesive does not protrude out from the

coated surfaces.

Fig. 2 Rubber installation positions

Fig. 3 Check points