Makita BO5020 Manual

BO5020
Random Orbit Sander
Continuous Rating (W)
Voltage (V) Current (A) Cycle (Hz) Input Output Max. Output(W)
100 2.7 50/60 260 100 150
2.4 50/60 260 100 150
120 2.0 50/60 220 65 150
220 1.2 50/60 260 100 150
230 1.2 50/60 260 100 150
240 1.1 50/60 260 100 150
Orbits per minute 12,000 /min(BO5020)
Abrasive disc
Orbit diameter
Self-dust-collecting
Other functions
Soft Braking (Braking Pad)
Net weight 1.4Kg(3.1lbs)
Cord length
The standard equipment for the tools shown may differ from country to country.
Model BO5020/BO5021are sister versions of the existing
Model BO5010.
Their brief benefits are;
*Comfortable operation
by holding both hands.
*Variable speed futuregives wider applications
as sanding and polishing (BO5021 only)
Diameter: ø125mm(5")Velcro type
2.8mm(1/8")
Abrasive Disc 125-#120 (with holes for collecting dust) 1 pc.
<Note> The standard equipment may differ from country to country
Abrasive Disc 125-#60, #80, #120, #180, #240 (with holes for collecting dust, 10pcs/set)
Wool Pad 140 Set,Sponge Pad 125 Set,Feld Pad 125 Set
1. Double insu1ated
2.See the sheets attached for more information.
110
147mm(5-3/4")
123mm(4-7/8")
New Tool
TECHNICAL INFORMATION
Models No.
Specifications
Standard equipment
Optional accessories
Features and benefits
Description
CONCEPTION AND MAIN APPLICATIONS 288mm(11-3/8")
BO5021
4000-12,000 /min(BO5021)
2.5m(8.2ft) for Europe / 2.0m(6.6ft) for others

Efficient 
Dust collecting
Work area can be kept clean by
function of self-dust-collecting.
Ball bearings with
higher dust sealing.
Easy dumping dust
•Dust Bag can be removed easily.
•Easy to dump dust from large inlet
Soft braking (braking pad)
•Reduced rotations at on load prevent
work from scratch at starting.
•Quick stop after switching off
makes it possible to put the tool
on the table without waiting.
MakitaModel No.
BO5020/21 BO5010
Paper Size(mm) 125(5")
Rated current [120V] 2.0
Input(W)
12000
Orbit diameter 2.8mm(1/8")
Braking pad Yes
Self dust collecting Yes
Tool height 147mm
(5-3/4")
Net weight 1.4Kg(3.1lbs) 1.2Kg(2.6lbs)
60
80
(g)
(1) Specifications
minute(o/min)
(2) Efficiency of Sanding
Volume of sanding for 20 min, with abrasive disc #60 (work piece:spruce)
BO5020/21 BO5010
Comparison
125(5")
2.0
4000-12000 12000
220 220
2.8mm(1/8")
Yes
Yes
145mm
(5-3/4")
Comfortable operation
by holding with both hands
Comfortable and efficient operation
can be performed.
Large trigger switch
Removable Front Grip
Front Grip may be removed
when sanding corner.
100
120
No load noise (dB) 76 76
(A)
North America
Other countries 260
Orbits per

Housing
Fan 88
Pan head screw M4X12(washer mounted)
Skirt Brake ring
Groove(4 points)
Protrusions(4 points)
Brake ring
Skirt
Repair
Armature Counter weight Armature Counter weight
1) Replacing Carbon brush and Armature etc.
Disassemble in the sequence shown below.
Pad => Skirt => Fan => Housing
3) Assembling of Brake ring
Assemble the brake ring in a direction toward the skirt as shown on the figure matching
the protrusions(4 points) and grooves of Skirt.
<Note> Do not remove Countre Weight from
Armature, otherwise Armature becomes
off balance.
2) Fastening of Pan head screw M4x12.
Fasten Pan head screw M4x12 while holding Fan 88.

12
34
12
34
BO5020
<Note> Noise suppressor is used not for all countries.
Switch
Power supply cord
Field
Switch Connector
Contoroler
Black
Noise suppressor
Field
BO5021
<Note> Noise suppressor is used not for all coutries.
Noise supressor
Black
Black
Black
Black
White
White
White or Gray
Power supply cord
Wiring digram

BO5020
Settle lead wire(white) of Field between ribs.
Push lead wire(black) between ribs.
Field
Field
BO5021
Pin
Rib
Rib
Keep lead wire(white) of Field into lead holder.
Push lead wire(black) of Field between ribs. Push lead wires (black and orange)
between ribs.
Lead wire (black)
of field
Lead wire(white) of field
Lead wire (white or gray)
of Controller
Connector
Wiring Drawing
Lead wire (white)
of field
Lead wire (white or gray)
of controller