Yamaha Bassoons Gebruikershandleiding - Pagina 14

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Troubleshooting

The tone is not clear, or the instru-

ment plays out of tune.

If pads are deformed and air is leaking

from the instrument, take the instrument

to your dealer for repair.

➞ Never apply excessive pressure to the

keys. Also, when placing the instrument

in the case, make sure that nothing is

placed on top of the instrument.

If the body cracks, take the instrument

to your dealer for repair.

➞ Sudden changes in temperature or hu-

midity can cause cracking. Do not directly

expose the instrument to hot or cold air.

The keys are stiff. The keys do not

move.

If a spring has become dislodged, return-

ing it to its proper position may correct

the problem.

➞ When hooking the spring in position, be

careful not to bend the spring. Springs

may become dislodged when perform-

ing maintenance on the instrument or

when wiping the instrument with a cloth.

Please use caution.

If keys are bent, take the instrument to

your dealer for repair.

➞ Do not apply excessive force to the in-

strument such as dropping the instru-

ment, closing the case when an object is

placed on top of the instrument, etc. Also,

when you are finished playing, place the

instrument in the case. At this time, make

sure that there is nothing in the case that

will apply pressure on the keys. When

assembling the instrument, be careful not

to apply unnecessary pressure to the

keys. Hold on to the instrument in the

intervals between performance and dur-

ing breaks between practice.

The joint is too tight or loose.

If the joint is tight, apply a small amount

of cork grease to the joint cork. If the

joint is still tight, apply some cork grease

to the receiver side as well.

➞ Changes in temperature and/or humid-

ity can cause the cork to shrink or ex-

pand which can make the joints tight in

the summer and loose in the winter. Af-

ter you are finished playing, make sure

you store the instrument in its case, rather

than leave it out.

If the joint cork is torn, take the instru-

ment to your dealer for repair.

➞ Proper application of cork grease offers

some protection against tearing of the

cork. However, if the cork becomes torn,

take the instrument to your dealer for re-

pair.

The keys are noisy.

Apply key oil if the keys lack oil and are

dry, and tighten screws that have become

loose.

➞ Apply key oil once a month (1-2 drops

per location) to prevent abrasion. Also,

since woodwind instruments have many

small screws, check for loose screws and

tighten if necessary.

The cork or felt on the keys has fallen

off or torn. The instrument may have re-

ceived a shock causing the keys to come

in contact with the body or other keys.

In this case, take the instrument to your

dealer for repair.

➞ Take proper care of the instrument to

prevent the corks or felts from falling off.

After playing the instrument keep the in-

strument in its case. Also, hold on to the

instrument in the intervals between per-

formance and during breaks between

practice to prevent excessive pressure

being placed on the instrument or keys.