Page 1
Belt
76
mm
Sander
(3")
MODEL
INSTRUCTION MANUAL
9900B
Specifications
Belt
size
76
mm
x
533
(3") x (21")
mm
Belt speed
360m
(1,180 ft.)
/min.
Continuous
1
rating
(Input) cord
850w
I
y::;:,'
316
(12-112") (10.1
1
mm
4.6
kg
Ibs)
DOUBLE
INS
ULATlO
Power
1
supply
5m
(16.4ft.)
N
Page 2
IMPORTANT
SAFETY
WARNING:
WHEN USING ELECTRIC TOOLS, BASIC SAFETY
INSTRUCTIONS
(For
All Tools)
PRECAUTIONS SHOULD ALWAYS BE FOLLOWED TO REDUCE
THE RISK OF FIRE, ELECTRIC SHOCK, AND PERSONAL
INJURY, INCLUDING THE FOLLOWING:
READ ALL
1.
KEEP WORK AREA CLEAN. Cluttered areas and benches invite injuries.
2.
CONSIDER WORK AREA ENVIRONMENT. Don't use power tools in damp
or wet locations. Keep work area well
Don't use tool in presence of flammable liquids or gases.
KEEP CHILDREN AWAY. All visitors should be kept away from work area.
3.
Don't let visitors contact tool or extension cord.
4.
STORE IDLE TOOLS. When not
or locked-up place
DON'T FORCE TOOL.
5.
it
was intended.
USE RIGHT TOOL. Don't force small tool or attachment to do the job of a
6.
heavy-duty tool. Don't use tool for purpose not intended; for example, don't
use circular saw for cutting tree limbs or logs.
7.
DRESS PROPERLY. Don't wear loose clothing or jewelry. They can be caught
in
moving parts. Rubber gloves and non-skid footwear are recommended
when working outdoors. Wear protective hair covering to contain long hair.
USE SAFETY GLASSES. Also use face or dust mask
8.
dusty.
9.
DON'T ABUSE CORD. Never carry tool by cord or yank
receptacle. Keep cord from heat, oil, and sharp edges.
IO.
SECURE WORK. Use clamps or a vise to hold work. It's safer than using
your hand and
11.
DON'T OVERREACH. Keep proper footing and balance at all times.
MAINTAIN TOOLS WITH CARE. Keep tools sharp and clean for better and
12.
safer performance. Follow instructions for lubricating and changing accessories. Inspect tool cords periodically and
rized service facility. Inspect extension cords periodically and replace if
damaged. Keep handles dry, clean, and free from oil and grease.
DISCONNECT TOOLS. When not
13.
ing
accessories, such
INSTRUCTIONS.
lit.
Don't expose power tools to rain.
in
use, tools should be stored
-
out of reach of children.
It
will do the job better and safer at the rate for which
it
frees both hands to operate tool.
if
damaged, have repaired by autho-
in
use, before servicing, and when chang-
as
blades, bits, cutters.
in
dry, and high
if
cutting operation is
it
to disconnect from
2
Page 3
Ampere Rating
More Not More
Than Than
0-
6
10
12
6
-
10
-
12
-
16
Total Length
0
-
25 26 - 50 51 - 100 101 - 150
of
Cord in Feet
AWG
18 16 16 14
18 16 14 12
16 16 14 12
14 12
Not Recommended
3
Page 4
VOLTAGE WARNING:
outlet, etc.) be sure the voltage supplied is the same as that specified on the
nameplate of the tool.
for the tool can result
the tool.
voltage less than the nameplate rating is harmful to the motor.
If
in
doubt,
Before connecting the tool to a power source (receptacle,
A
power source with voltage greater than that specified
in
SERIOUS INJURY
DO
NOT
PLUG
IN
THE
to the user
TOOL.
Using a power source
-
as
well as damage to
with
SAVE THESE INSTRUCTIONS.
4
Page 5
How
to
use
Switch action
To
start the tool, simply pull the trigger.
Release
the trigger to stop. For continuous
operation without having to keep your
finger on the trigger, just pull the trigger
and then push in the lock button with your
thumb.
To
stop the tool from lock posi-
tion, just pull the trigger again and release
it.
Mounting
belt
With the tool unplugged and the lever
pulled out
all
the way, slip the belt over
the rollers with the arrow direction on the
as
belt the same
belt life
is
that of tool revolution (or
shortened).
Belt adjustment
its
Flip sander over on
back and use the
adjustment knob to obtain equal tension
of belt over the front and back rollers.
it
Then plug in sander and switch
the adjustment
it
runs over the rollers.
knob to center the belt
on, using
Failure to adjust belt porperly over rollers
can result in frayed belt edges.
as
5
Page 6
MAINTENANCE
CAUTION:
Always be sure that
inspection or maintenance.
Replacing carbon brushes
Remove and check the carbon brushes
regularly. Replace when they wear down
to the limit mark. Keep the carbon brushes
clean and free to slip in the holders. Both
carbon brushes should be replaced
same time. Use only identical carbon
brushes.
Use
a
screwdriver to remove the brush
holder caps. Take out the worn carbon
brushes, insert
the brush holder caps.
the
the
tool
new ones
is
switched off and unplugged before attempting to perform
at
the
and
secure
Brush
Limit
holder
mark
cap
To maintain product SAFETY and RELIABILITY, repairs, any other maintenance or
adjustment should
be performed by Makita Authorized or Factory Service Centers,
always using Makita replacement parts.
6
Page 7
ACCESS0
CAUTION
These accessories or attachments are recommended for use with your Makita tool specified in this
manual. The use
accessories or attachments should be used only in the proper and intended manner.
R
I
ES
:
of
any other accessories or attachments might present a risk
of
injury
to
persons. The
Abrasive belts
0
Belt
type
and
use
AA - For wood, iron and
CC - For stone and plastics.
steel.
Grit
AA40 742306-7
AA60 742307-5
AA80 742308-3
AAlOO 742309-1 Medium
AA120 742310-6
AA150 742311-4
AA180 742350-4 Fine
AA240 742312-2
Pari
No
Use
Coarse
Carbon plate
Part
No.
423027-7
CAUTION
Install the
PROTRUDE FROM THE EDGE
THE BELT INSTALLING LEVER.
IF
Dust
Part No.
:
steel
THE PLATE
bag
122296-4
plate
so
that THE EDGE OF THE STEEL PLATE WILL NOT
IS
ALLOWED TO PROTRUDE, IT MAY CAUSE INJURY.
Sheets per
pack
742314.8
74231 5-6
I
742318-0
10
CClOO 742316-4 Medium
CC120 742317-2
CC150
71
747319-R
Steel plate
Part
No.
342466-1
OF
THE BASE PLATE ON THE SIDE WITH
1
Coarse
Fine
I
7
Page 8
76mm(3")
Model
9900B
BELT SANDER
8
Page 9
M_AC-HS
113
21
q1
412
52
61
811
91
10
11 ~ 1
12
13
14
15
16
17
18
19
201
21
22
23
24
261
27 ~ 2
28
29
1:
32
33
41
P
Carbon Brush
H
2
ARMATURE ASSEMBLY
1
I
1
I
Ball
1
~
4
1
1
~
2
1
separator
1
~
1
1
1
Switch
Strain Relief
1
1
CORD
~
I
1
1
H
v
Pulley 5-25L
Motor
(With Brush Holder
Brush Holder Cap
FIELD ASSEMBLY
(With
Baffle
Ball
Insulation Washer
Bolt
Dust
IArrembled Items
Fan
Dust
P H
Rubber Pin
P
H
Dust Collector Cover
Rubber Pin
P
H
Fan
Handle Cover
P. H
Cord Guard
(Assembled Cord, Plug
P H Screw
Belt
Poly
Sleeve
Screw
M4x30
Housing
Garter
Spring
Plate
Bearing 6200LCB
M5x45
(With Warherl
Bag
Collecror
Screw
Screw
Screw
Screw
ASSEMBLY
cover
V-Belt
6
8.
6xK)LLB
Bracket
M5x25
4
M4x18
4
M5x12
M4x18
M5x40
5-304
75
Bearing
74
(With Warheil
x
2
&
S
Screw
x
21
9. 12. 13.3 141
(With Warherl
IWith Washer)
(With Washer)
(With Washer)
&
Cord
Guard1
(With Warher)
M5x8 x 21
MACH
I
NE
~
38
1
39
'
2
40
1
41 1
42 1
43
1
44
45 1
~
1
46 1
47
2
1
48
1
49
1
M
1
51
1
52
53
6
1
54
55
1
1
56
1
57
1
58
1
53
1
MI
1
61
1
62
1
63
64
2
1
65
A.R.
66
1
67
1
68
1
69
70
2
1
71
72
2
ACCESSORY
401 i 1
Shoe
0-5
Rivet
Name Plate
Edge Slider
Retaining Ring
Cup Washer
12
Tension
Roller
Cup Washer
12
Tension
Roller
P
H.
Screw
M4x10
Safety cover
SupFart Pm
Tenrion
Roller
Compreirion
Spring
Driving Roller
C
H.
Screw
M5x18
Key
4
Cup Washer
12
Frame
(With
Bearing
Plane
H.
Screw
M5x12
P
Bearing
Needle
Helical Gear
10
Rubber Pin
4
Ball Bearing 6200LLB
Gear Cover
V-Pulley
5-45
P
H
Screw
M4x18
Ring
Retaining
T
Washer
12
Helical
Gear
48
Bale
Plate
Cork Rubber Plate
P
H
Screw
M4x10
Steel Plate
P
H.
Screw
M4x10
1
Abrasive
Belt
S-12
Shafr
Arm
Rivet
12
x
810
S-12
533-100
2
(With Warherl
11
x
2.
Dust Guide,
&
Swnge
(With Washer1
(With Warherl
(With Washer)
(With Warherl
Shed
9
Page 10
MAKITA
LIMITED
ONE
YEAR
WARRANTY
Warranty Policy
Every Makita tool is thoroughly inspected and tested before leaving the factory. It is warranted to
be free of defects from workmanship and materials for the period of ONE YEAR from the date of
original purchase. Should any trouble develop during this one-year period, return the COMPLETE
tool, freight prepaid, to one of Makita’s Factory or Authorized Service Centers. If inspection shows
the trouble is caused by defective workmanship or material, Makita will repair (or at our option,
replace) without charge.
This Warranty does not apply where:
repairs have been made or attempted by others:
repairs are required because of normal wear and tear:
The tool has been abused, misused or improperly maintained;
alterations have been made to the tool.
IN NO EVENT SHALL MAKITA BE LIABLE FOR ANY INDIRECT, INCIDENTAL OR CONSEQUENTIAL DAMAGES FROM THE SALE OR USE OF THE PRODUCT. THIS DISCLAIMER
APPLIES BOTH DURING AND AFTER THE TERM OF THIS WARRANTY.
MAKITA DISCLAIMS LIABILITY FOR ANY IMPLIED WARRANTIES, INCLUDING IMPLIED
WARRANTIES OF “MERCHANTABILITY” AND “FITNESS FOR A SPECIFIC PURPOSE,
AFTER THE ONE-YEAR TERM OF THIS WARRANTY.
This
Warranty gives you specific legal rights, and you may also have other rights which vary from
state to state. Some states do not allow the exclusion or limitation of incidental or consequential
damages,
so
limitation on how long an implied warranty lasts,
the above limitation or exclusion may not apply to you. Some states do not allow
so
the above limitation may not apply to you.
Makita Corporation
3-11
-8,
Sumiyoshi-hho,
Anjo,
Aichi
446
Japan
8832300068
PRINTED IN JAPAN
1995
-3-N
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