Yamaha PHASER MF User Manual page 55

3) Pull gently on the old shutter as shown in the photo so that it will not come loose
from the groove in the stroke cover, and draw in the new shutter.
Be careful at this time not to let the new shutter twist, warp or hang up.
4) After finished installing the new shutter, adjust its position. Then reinstall the
shutter clamp plate so that there is no looseness or play in the shutter.
Shutter clamp plate
<MF50> <MF50>
<MF50> <MF50>
<MF50> <MF50>
Replacing the shutter
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4