DRUM STOOL
DS550U
Owner’s Manual
Thank you purchasing the Yamaha Drum
stool.Before you use, please thoroughly read
this Owner’s Manual and use the drum stool
in a safe and proper manner. Also, please
keep these instructions in a safe place for
future reference.
PRECAUTIONS
Before using, please thoroughly read this “PRECAU-
TIONS” sheet and use the instrument in a safe manner.
(Please follow the precautions listed below.)
Parents or instructors should instruct children on how to
properly use the instrument.
To prevent against accidents and injury
-Please follow the cautions listed below-
• Icons are used to indicate and explain the pre-
cautions. To promote the safe and proper use of
this product, and to protect you and others from
injury and loss of personal property.
• Please read the precautions after you understand
the meaning of the icons.
Caution (including danger, or warning). This mark indicates
cautions in which you should pay close attention to.
Acts indicated with this icon are prohibited and should
not be attempted.
This icon indicates acts that you are urged to follow.
* Specifications and design are subject to change without notice.
If this symbol is ignored and the
equipment is used improperly, fatal
injury to persons or serious dam-
age could occur.
Always set the instrument on a flat and solid surface.
Placement on a sloping, unstable surface or on steps
may result in the instrument being unstable and over-
turning.
When carrying the stool, make sure the wing bolt
and nut are firmly tightened. Carrying the stool with
a loose bolt or nut may cause the seat or leg section
to drop resulting in injury.
Never stand or step on the stool. You may fall and
damage the stool resulting in an accident and injury.
The drum set has many parts, stands and cymbals.
Do not play or roughhouse around the drum set. You
may hit your face or head.
Many people roughhousing around the set may re-
sult in the set being overturned so children should
refrain from playing around the set.
Stay away from the drum set if an earthquake oc-
curs.
If a strong vibration such as an earthquake should
occur, be sure to stay well clear of the drum set.
WARNING
Firmly tighten all fixing and adjustment bolts to pre-
vent them from coming loose during use.
When folding the stand legs, etc., watch your fin-
gers. Fingers may become pinched resulting in in-
jury.
Be careful around pipe ends and inside the pipe.
Metal shavings, etc., may injure your fingers. Do not
insert your fingers into the pipe on purpose or for
any other reason.
If this symbol is ignored and the
equipment is used improperly, there
is a danger of injury to persons han-
dling the equipment, and material
damage could occur.
CAUTION
Display
Symbols
1K90035 R1
Printed in Taiwan
■ SETTING UP
Extend the Legs, slide the Leg Base to
the end of the Base Section.
Insert the Upper Tube Section into the
Leg Base’s Joint Section (Make sure the
protrusion on the position clamp is
facingdown).
After adjusting the height of the Upper
Tube Section, firmly tighten the Wing Bolt
on the Base Section.
Loosen the Wing Nut on the Position
Clamp on the Upper Tube Section, align
the Position Clamp with the Joint and
tighten the Wing Nut. With the Position
Clamp set in place, the stool will be set
to the same height every succeeding
time the stool is assembled.
Attach the Seat to the Upper Tube Sec-
tion and tighten the Wing Bolt.
Repeat steps and to adjust the stool
height.
If this symbol is ignored and the
equipment is used improperly, fatal
injury to persons or serious dam-
age could occur.
If the stool is used in a high position, make sure that
the Upper Tube Section is inserted at least 6cm into
the Leg Base’s Joint Section.Using the stool in a high
position can result in injury due to the stool over turn-
ing, slipping, etc.
Always get off the stool when adjusting the height.
Sitting while making adjustments (suddenly loosen-
ing the screw) may result in pinched fingers or the
stool suddenly dropping causing possible injury to you
back.
Make sure the Wing Nut on the position clamp is se-
cured tightly before using. If it is not tightened, the
seat may suddenly slip. This is extremely hazardous
so please pay close attention.
Do not loosen the bolt that fixes the Leg in place
marked with a “ ”. The stool may become
unstable causing an accident resulting in injury.
WARNING
Joint
Leg
Leg Base
Wing Bolt
Base Section
Seat
Wing Bolt
Drum Key Bolt
Upper Tube Section
Hexagonal Nut
Position Clamp
Line
If the stool is used in a high position, make sure that the
Upper Tube Section is inserted at least 6cm into the Leg
Base’s Joint Section.
The line on the upper pipe indicates the minimum required
depth.
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