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ASSEMBLY: YV-3910/3710/3700
10-4 Tone Bar Height Adjustment
This adjustment should always be performed by at least 2 persons.
To adjust the height of the tone bars, first remove the synchro belt, driver, controller,
tone bars, and resonators in the reverse order of steps
loosen the center rod fixing bolts.
Loosen the slide leg fixing bolts on the high and low sound sides, while supporting the
frame ends by hand.
Lift the frame ends to the desired height and then securely tighten each fixing bolt,
aligning it with the corresponding notch of the slide leg. Bolt and notch are aligned
when the next higher notch is flush with the upper leg flange.
After assembly, confirm that each bolt and screw is tightened securely.
18
Align notch with
upper flange.
When a slide leg fixing bolt is tightened in between two notches,
there is a danger of the slide leg slipping. Always make sure
that the slide legs are held securely.
.
,
m
n
,
,
,
Slide Leg
Do not touch the notched
part during height adjust-
ment to avoid injury.
* The fourth notch from top
corresponds to the standard
height setting.
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v
,
, and
, and
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