Page 1
D-54518 Niersbach
BBS/S
230V~
50/60 Hz
100 Wa
tt
V
Band
=
2
75/min
MICRO-Belt Sander
BBS/S
Manual
Page 2
Notes:
2
Page 3
3
D-54518Niersbach
B
B
S/S
2
3
0
V
~
5
0
/6
0
H
z
1
0
0W
a
tt V
Band
=2
7
5
/m
i
n
7
1
2
3
4
6
8
5
1
D-54518Niersbach
BBS/S
23
0V
~
50/60H
z
10
0
W
att
V
B
an
d
=
2
75
/m
in
D-54518Niersbach
BBS/S
2
3
0
V
~
5
0
/6
0
H
z
1
0
0
W
a
tt V
B
an
d
=2
7
5
/m
i
n
1
2
3
D
-5
4
5
1
8
N
ie
rs
b
a
c
h
B
B
S
/S
230V~
50/60Hz
100Watt V
Band
=275/min
1
34
2
5
Fig. 1
Fig. 3
Fig. 4b Fig. 5
Fig. 2
Fig. 4a
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Operating instructions
BBS/S MICRO-Belt Sander
Contents:
1 General safety instructions …………………………………………………………… 5
2 Specific safety rules …………………………………………………………………… 7
3 Symbols ………………………………………………………………………………… 8
4 Legend (fig. 1) ………………………………………………………………………… 9
5 Technical data ………………………………………………………………………… 9
5.1 Motor:………………………………………………………………………………… 9
5.2 Unit: ………………………………………………………………………………… 9
6 Description of the machine …………………………………………………………… 9
7 Operation ……………………………………………………………………………… 9
7.1 Adjusting the belt run …………………………………………………………… 10
7.2 Fitting or replacing the sanding belt …………………………………………… 10
8 Accessories …………………………………………………………………………… 10
8.1 Accessories recommended and actually provided by PROXXON ………… 11
9 Care and maintenance ……………………………………………………………… 11
9.1 After use ……………………………………………………………………………… 11
9.2 Changing the drive belt (Fig. 5) …………………………………………………… 11
9.3 Disposal ……………………………………………………………………………… 11
10 Spare parts list ……………………………………………………………………… 12
11 LIMITED WARRANTY OF PROXXON POWER TOOLS FOR HOME USE … 12
12 Explosion drawing …………………………………………………………………… 13
4
Dear Customer,
In order to be able to operate your
Sander safely and correctly, please carefully read the following safety and operating instructions prior to use.
The use of these instructions makes it
easier to get familiar with the device, prevents malfunctions caused by improper
operation, and lengthens the service life
of your device.
This instruction manual covers:
• safety regulations
• operation and maintenance
• spare parts list
Please read carefully!
Using this instruction manual will
• make it easier for you to get used to
the machine,
• help prevent faults occurring due to
improper use and
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5
• increase the service life of your
machine.
Keep this instruction manual in an easily
accessible place.
Only operate this machine if you are
qualified to do so and follow the guidelines in this instruction manual.
PROXXON does not accept responsibility for the safe functioning of the machine
• if it is handled in a manner which constitutes improper use,
• if it is used for other purposes which
are not specified in the instruction manual,
• if the safety regulations are not
observed.
Warranty claims are invalid if
• the machine is incorrectly operated,
• the machine has not been sufficiently
maintained.
In the interests of your safety, please
always observe the safety regulations.
Only use genuine PROXXON spare
parts.
We reserve the right to make further alterations for the purpose of technical
progress.
We wish you every success with your
machine.
1 General safety instructions
Warning!
Read and understand all instructions.
Failure to follow all instructions listed below, may result in electric shock, fire
and/or serious personal injury.
Save these instructions!
Work Area
1. Keep your work area clean and
well lit. Cluttered benches and dark
areas invite accidents.
2. Do not operate power tools in ex-
plosive atmospheres, such as in
the presence of flammable liquids,
gases, or dust. Power tools create
sparks which may ignite the dust or
fumes.
3. Keep bystanders, children, and
visitors away while operating a
power tool. Distractions can cause
you to lose control.
Electrical Safety
4. Double Insulated tools are
equipped with a polarized plug (one
blade is wider than the other.) This
plug will fit in a polarized outlet only one way. If the plug does not fit
fully in the outlet, reverse the plug.
If it still does not fit, contact a qualified electrician to install a polarized outlet. Do not change the plug
in any way. Double Insulation
Class II Equipment eliminates the
need for the three wire grounded
power cord and grounded power
supply system.
5. Avoid body contact with grounded
surfaces such as pipes, radiators,
ranges and refrigeratorsand refrigerators. There is an increased risk of
electric shock if your body is grounded.
Page 6
6
6. Do not expose power tools to rain
or wet conditions. Water entering a
power tool will increase the risk of
electric shock.
7. Do not abuse the cord. Never use
the cord to carry the tools or pull
the plug from an outlet. Keep cord
away from heat, oil, sharp edges
or moving parts. Replace damaged
cords immediately. Damaged cords
increase the risk of electric shock.
8. When operating a power tool out-
side, use an outdoor extension
cord marked „W-A“ or „W.“ These
cords are rated for outdoor use and
reduce the risk of electric shock.
Personal Safety
9. Stay alert, watch what you are doing and use common sense when
operating a power tool. Do not use
tool while tired or under the influence of drugs, alcohol, or medication. A moment of inattention while
operating power tools may result in
serious personal injury.
10. Dress properly. Do not wear loose
clothing or jewelry. Contain long
hair. Keep your hair, clothing, and
gloves away from moving parts.
Loose clothes, jewelry, or long hair
can be caught in moving parts.
11. Avoid accidental starting. Be sure
switch is off before plugging in.
Carrying tools with your finger on the
switch or plugging in tools that have
the switch on invites accidents.
12. Remove adjusting keys or wrench-
es before turning the tool on. A
wrench or a key that is left attached
to a rotating part of the tool may result in personal injury.
13. Do not overreach. Keep proper
footing and balance at all times.
Proper footing and balance enables
better control of the tool in unexpected situations.
14. Use safety equipment. Always
wear eye protection. Dust mask,
non-skid safety shoes, hard hat, or
hearing protection must be used for
appropriate conditions.
Tool Use and Care
15. Use clamps or other practical way
to secure and support the workpiece to a stable platformstable
platform. Holding the work by hand
or against your body is unstable and
may lead to loss of control.
16. Do not force tool. Use the correct
tool for your application. The correct tool will do the job better and
safer at the rate for which it is designed.
17. Do not use tool if switch does not
turn it on or off. Any tool that cannot
be controlled with the switch is dangerous and must be repaired.
18. Disconnect the plug from the pow-
er source before making any adjustments, changing accessories,
or storing the tool. Such preventive
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7
safety measures reduce the risk of
starting the tool accidentally.
19. Store idle tools out of reach of
children and other untrained persons. Tools are dangerous in the
hands of untrained users.
20. Maintain tools with care. Keep cut-
ting tools sharp and clean. Properly
maintained tools, with sharp cutting
edges are less likely to bind and are
easier to control.
21. Check for misalignment or binding
of moving parts, breakage of parts,
and any other condition that may
affect the tools operation. If damaged, have the tool serviced before using. Many accidents are
caused by poorly maintained tools.
22. Use only accessories that are rec-
ommended by the manufacturer
for your model. Accessories model.
Accessories that may be suitable for
one tool, may become hazardous
when used on another tool.
SERVICE
23. Tool service must be performed
only by qualified repair personnel.
Service or maintenance performed by
unqualified personnel could result in
a risk of injury.
24. When servicing a tool, use only
identical replacement parts. Follow
instructions in the Maintenance
section of this manual. Use of
unauthorized parts or failure to follow
Maintenance Instructions may create
a risk of electric shock or injury. Certain cleaning agents such as gasoline, carbon tetrachloride, ammonia
etc. may damage plastic parts.
2 Specific safety rules
1. Accessories must be rated for at
least the speed recommended on
the tool warning label. Some mate-
rial may produce harmful or toxic
dust (i. e. lead containing paint, some
kinds of wood or metal). Accessories
running over rated speed can fly
apart and cause injury.
2. Hold tool by insulated gripping
surfaces when performing an operation where the cutting tool may
contact hidden wiring or its own
cord. Contact with a "live" wire will
make exposed metal parts of the tool
"live" and shock the operator.
3. Always disconnect tool from pow-
er source before making adjustments or changing accessories.
4. Make sure that the cord will not get
hung up during sanding.
5. Let the motor come to a complete
stop before putting the tool down.
6. Do not leave the tool running. Operate the tool only when hand-held.
7. Check the abrassive belt carefully
for damage before operation. Replace damaged belt immediately.
8. Always keep hands away from ro-
tating and moving parts to prevent
personal injury.
9. Wear hearing protection during ex-
tended period of operation.
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8
10. Some material contains chemicals
which may be toxic. Take caution to
prevent dust inhalation and skin contact. Follow material supplier safety
data.
11. Keep cutting pressure constant.
You could overload the motor.
12. Make sure the belt is not contacting
the workpiece before the switch is
turned on.
SAVE THESE INSTRUCTIONS!
WARNING!
Some dust created by power sanding,
sawing, grinding, drilling, and other construction activities contains chemicals
known to the State of California to cause
cancer, birth defects or other reproduc-
tive harm. Some examples of these
chemicals are:
• lead from lead-based paints,
• crystalline silica from bricks and cement
and other masonry products, and
arsenic and
• chromium from chemically-treated
lumber.
Your risk from these exposures varies,
depending on how often you do this type
of work. To reduce your exposure to
these chemicals: work in a well ventilated area, and work with approved safety
equipment, such as those dust masks
that are specially designed to filter out
microscopic particles.
3 Symbols
Important: Some of the following symbols may be used on your tool. Please study them and learn their
meaning. Proper interpretation of these symbols will allow you to operate the tool better and safer.
Symbol Name Designation/Explanation
V Volts Voltage (potential)
A Amperes Current
Hz Hertz Frequency (cycles per second)
W Watt Power
kg Kilograms Weight
min Minutes Time
s Seconds Time
Ø Diameter Size of drill bits, grinding wheels, etc.
n
0
No load speed Rotational speed, at no load
…/min Revolutions or reciprocation Revolutions, strokes, surface speed, orbits etc.
per minute per minute
1, 2, 3, … Selector settings Speed, torque or position settings. Higher number
means greater speed
Infinitely variable selector Speed is increasing from narrow end
➞ Arrow Action in the direction of arrow
Alternating current Type or a characteristic of current
Class II construction Designates Double Insulated Construction tools.
Page 9
4 Legend (fig. 1)
1. On/Off switch
2. Connecting cable with mains plug
3. Belt support
4. Tensioning slider
5. Drive roller
6. Tension roller
7. Grinding belt
8. Suction hose
Caution:
Use your belt Sander only in well-ventilated areas.
Pay attention to the dust concentration in
the air. Do not use the BBS/S if the surrounding air becomes dusty or wear a
mask.
5 Technical data
5.1 Motor:
Voltage: 110 - 120 V ~, 50/60 Hz
Power: 150 Watt (1,3 A)
5.2 Unit:
Grinding speed: 525 ft/min (160 m/min)
Dimensions:
(LxWxH): 6.9"x2.5"x 3.5"
(175x63x90 mm)
Dimensions of
sanding belt: 10 7/16" x 1 37/36"
(265x40mm)
Grinding area: 2 37/64" x 1 37/64"
(60x40mm)
Weight: ca. 2.42 lbs (1,1 kg)
Noise: ≤ 83 dB (A)
Vibration: ≤ 2.5 m/s
2
Protection class II device
Please do not dispose off the machine!
Caution:
Always use ear protection when working!
6 Description of the machine
The PROXXON BBS/S block belt Sander
is an ideal tool for building models, tools
and moulds but is also suitable for small
car repair jobs, such as on the bodywork
for example. The sanding belt is located
flush on the left side to allow surfaces to
be sanded "right down to the corner".
A fine adjustment for the rollers prevents
running off on the side. Spring clamping
system for easy replacement of belts
without tool:
The BBS/S can be used for de-burring,
roughing, fine sanding, edging, paintstripping, rust removal and sharpening
tools.
For machining steel, non-ferrous metals,
wood and plastics. Included with the
machine are 2 x 5 grinding belts with
different grit sizes (120/240).
7 Operation
The belt Sander is easily guided over the
surface to be sanded with the right hand.
Hold the BBS/S as shown in Fig. 2.
Make sure you do not obstruct the cooling slots for the motor. Take care not to
apply too much pressure when working.
This causes the belt to wear quickly and,
furthermore, will put excessive strain on
the mechanics.
9
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The best results are obtained by using
moderate pressure.
Caution:
Ensure that no poisonous dusts can be
produced, for example, when sanding
paints which contain lead, some types of
wood and some metals.
Always use a dust mask when working.
Caution:
The belt sander is not suitable for wet
sanding.
7.1 Adjusting the belt run
Caution! Risk of injury!
Please proceed with particular care when
tracking the belt.
If the belt does not run sufficiently
straight or if the belt runs inwards or outwards, the position of the front roller can
be adjusted by turning the knurled screw
1 (Fig. 3). Turning the knurled screw
clockwise will make the belt run further
towards the inside; turning counterclockwise will make the belt run further towards the outside.
7.2 Fitting or replacing the grinding
belt
In use, the sanding material will wear
and the effectiveness of sanding will reduce due to the belt becoming clogged
with sanding dust or the abrasive grits
becoming worn. With its rapid tensioning
mechanism, the BBS/S provides a very
quick and convenient way of changing
sanding belts.
Caution! Risk of injury!
Unplug from electrical outlet before
changing the sanding belt.
Please use only genuine PROXXON
spare parts.
1. Slacken the knurled screw 1 (Fig. 4a).
2. Then push in the belt roller until the
slide 2 of the tensioning mechanism
clicks into place.
3. Remove the worn sanding belt 3.
4. Fit new sanding belt. Make sure to
place the belt in accordance to the
arrow for the direction of running
(Fig. 4b).
5. Press in the slider slightly to release
the catch. The fork will spring back to
its original position. The belt is now
automatically preset to the correct
tension by spring pressure.
6. The belt run may possibly have to be
re-adjusted using the knurled screw 1.
8 Accessories
WARNING!
Use only accessories that are recommended by the manufacturer for your
model. Accessories that may be suitable
for one tool, may become hazardous
when used on another tool.
Replace damaged or worn abrasive belts
immediately. They represent a safety risk
and worsen the work result.
Please use PROXXON accessories.
NOTE: The use of improper accessories
may cause hazards.
10
Page 11
8.1 Accessories recommended and
actually provided by PROXXON
(Current and available at the time this
manual was printed):
Standard corundum sanding belts for
BBS/S block belt sander, various grits of
high density, on a powerful backing, cover a wide range of applications. Used on
metals, non-ferrous metals, wood and
plastic. Size 10
7
/16” x 137/36” mm. 5 pc.
each package
9 Care and maintenance
Caution!
Unplug tool from electrical outlet before
carrying out any maintenance and cleaning work. Apart from occasional cleaning,
the unit is essentially maintenance-free.
When cleaning, please pay attention to
the following:
9.1 After use
Thoroughly clean the unit of all sanding
dust with a brush or soft cloth. In particular, the dust which collects in the belt
drive must be removed. Cleaning with
compressed air, if available, is suitable
for this. However, care must be taken to
avoid inhaling the dust. Always wear a
dust mask when performing this process.
Otherwise, no special maintenance is required.
9.2 Changing the drive belt (Fig. 5)
In very rare cases, it may be necessary
to replace the drive belt inside the unit
due to wear or breakage. In this case,
proceed as follows:
Caution! Risk of injury!
Unplug from electrical outlet.
1. Remove cover 1 after unscrewing
both screws 2.
2. Unscrew, screw 3 and remove collar
disc 4 of the upper timing belt pulley.
3. Remove old drive belt 5 and fit the
new sprocket belt.
4. Reassembly occurs in reverse order.
9.3 Disposal
Please do not dispose of the device in
domestic waste! The device contains
valuable substances that can be recycled. If you have any questions about
this, please contact your local waste
management enterprise or other corresponding municipal facilities.
11
NO 28 922 grit 80
NO 28 924 grit 120
NO 28 926 grit 180
NO 28 928 grit 240
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10 Spare parts list
MICRO-Sander BBS/S, Article No. 38526
Please order spare parts in writing from PROXXON Service center (Address on back
of instruction manual)
Part no.: Designation Part no.: Designation
28526- 01 Casing half, gear side
28526- 02 Casing half, ventilation slots
28526- 03 Cover for driving belt
28526- 04 Dust port
28526- 05 Support for abrasive belt
28526- 06 Support
28526- 07 Mounting plate for motor
28526- 08 Forked lever
28526- 09 Drive pulley
28526- 10 Front pulley
28526- 11 Shaft for front pulley
28526- 12 Shaft for drive pulley
28526- 13 Shaft for gear
28526- 14 Gear wheel, motor side
28526- 15 Ring gear
28526- 16 Pulley 14 teeth
28526- 17 Washer disk
28526- 18 Pulley 20 teeth
28526- 19 Roller bearing
28526- 20 Bearing bush
28526- 21 Washer
28526- 22 Shim
28526- 24 Circlips
28526- 25 Knurled screw
28526- 26 Screw
28526- 27 Screw
28526- 28 Screw
28526- 29 Screw
28526- 30 Set screw
28526- 31 Spring
28526- 32 Spring for front pulley
38526- 33 Motor
28526- 34 Driving belt
28526- 35 Switch
28526- 36 Board
28526- 37 Insulating plate
38526- 38 Power cord with bend
protection
28526- 39 Plate
28526- 41 Spring
28526- 43 Hose
28526- 44 Adaptor
28526- 45 Connection hose
28526- 46 Abrasive belt
28526- 99 Manual
11 LIMITED WARRANTY OF PROXXON POWER TOOLS FOR HOME USE
Prox-Tech, Inc., ("Seller") warrants to the original purchaser only, that all PROXXON consumer power tools will be free from defects in
material or workmanship for a period of two years from the date of purchase. Seller's sole obligation and your exclusive remedy under
this limited warranty and, to the extent permitted by law, any warranty or condition implied by law, shall be the repair or replacement of parts,
without charge, which are defective in material or workmanship and which have not been misused, carelessly handled, or misrepaired by
persons other than Seller or Authorized Service Station. In the event of a failure of a product to conform to this written warranty, please
refer to the Service and Repair section on the back of this manual and take action accordingly. This Limited Warranty does not apply to
accessory items such as circular saw blades, drill bits, router bits, jigsaw blades, sanding belts, grinding wheels and other related items.
Damage to the product resulting from tampering, accident, abuse, negligence, unauthorized repairs or alterations, unapproved attachments or other causes unrelated to problems with material or workmanship are not covered by this warranty. Any implied warranties shall
be limited in duration to two years from date of purchase. Some states in the U.S. and some Canadian provinces do not allow limitations
on how long an implied warranty lasts, so the above limitation may not apply to you. In no event shall seller be liable for any incidental or
consequential damages (including but not limited to liability for loss of profits) arising from the sale or use of this product. Some states
in the U.S. and some Canadian provinces do not allow the exclusion or limitation of incidental or consequential damages; so the above
limitation or exclusion may not apply to you. This limited warranty gives you specific legal rights, and you may also have other rights,
which vary from state to state in the U.S., province to province in Canada and from country to country. This limited warranty applies only
to PROXXON power tools sold within the United States of America, Canada, the commonwealth of Puerto Rico and Mexico. For warranty
coverage within other countries contact your local PROXXON Importer.
Page 13
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38
19
32
6
30
19
18
27
21
822 11 22 12 931 2420
4
15
5
24
20
2
10
36
7
37
26
19
33
41
43
44
46
45
22
22
Page 14
Art. Nr. 28526-99 PR710707701J
SERVICE AND REPAIR
Your device does not work properly? Please read the operating
instructions again carefully. If the unit is in fact defective, please
send it to:
Prox-Tech, Inc.
Attn.: PROXXON Service Center
2555 Tate Blvd. S.E.
PO Box 1909
Hickory, NC 28603-1909
Please make sure, that your tool is carefully packaged and
include a copy of your dated proof of purchase. You will help us
to react even quicker, if you describe the problem in short and
please don’t forget to include your name, address and day-
time telephone number. We will respond in a prompt and reliable
manner.
Spare Parts
You can also order any necessary spare parts from our Service
Center at the above address. Please check the article-number of
the tool concerned on the nameplate of the tool and define the
part needed by using the explosion drawing in the manual that
came with the tool. Every part has a specific number (5 digitXX). Please provide us with this number when ordering.
For any further information call us toll free at 1-877-PROXXON
(1-877-776 9966) or visit us on the web at www.proxxon.com/us.
Made in China
Distributed in the U. S. by Prox-Tech, Inc
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