Makita BO5030 Manual

Models No.
Description
PRODUCT
TECHNICAL INFORMATION
CONCEPT AND MAIN APPLICATIONS
Specification
P 1/ 7
BO5030, BO5031
Random Orbit Sander
BO5030 and BO5031 have been developed as the successor models of BO5010
and BO5012, featuring:
High power motor for heavy duty applications
Same ergonomic soft grip as BO4555 series models
Pad size: mm (") 123
(4-7/8)
Double insulation
Net weight: kg (lbs)
Power supply cord: m (ft)
Abrasive paper size: mm (") 125
(5)
BO5030 BO5031
Orbits per minute: opm= min-1
Paper fastening system Hook & loop
120
110
220
230-240
2.9 300
---
80 16050/60
1.4 300 80 16050/60
1.4 300 80 16050/60
3.0 80 16050/60
Continuous Rating (W)
Voltage (V) Cycle (Hz) Input Output Max. Output (W)
Current (A)
Sanding strokes: spm= min-1
Specification Model
153 (6)
123 (4-7/8)
153 (6)
Dimensions: mm (")
Width (W)
Height (H)
*Dust box and Dust bag
are not included.
Length (L)
Yes
Pad brake
No YesSpeed control dial
Yes
2.0 (6.6)
1.3 (2.9)
12,000
24,000
4,000-12,000
8,000-24,000
H
W
L
Standard equipment
Optional accessories
Note: The standard equipment for the tool shown above may differ by country.
Abrasive paper 125-60, 125-80, 125-120, 125-180, 125-240 (Hook & Loop)
Hose complete 28-1.5
Joint 25
For BO5031 only: Wool pad 140
Felt pad 125
Sponge pad 125
Paper filter
Dust box
Dust bag assembly
Abrasive paper 125-120 (Hook & Loop) ..................... 1
Paper filter + Dust box
or Dust bag assembly ......................... 1
Plastic carrying case ........................... 1 (K model only)

Switch and Power supply cord are readily replaceable by removing Top cover.
1) Remove Top cover from Motor housing by unscrewing three 4x18 Tapping screws, then disconnect Flag terminal from
each Brush holder. (Fig. 1)
2) Clamp the terminal of Brush holder with long-nose pliers, then pull up Brush holder together with Carbon brush while
pushing Carbon brush with slotted screwdriver. (Fig. 2)
Note: Do not scratch Commutator when clamping the terminal of Brush holder with long-nose pliers.
3) Remove Pad 123, Bearing box cover and Brake ring by unscrewing four M4x16 Pan head screws. (Fig. 3)
Note: Brake ring is not dropped out of machine. Pull it out by hand.
4) Lock Armature shaft by inserting screwdriver from the discharge nozzle of Skirt to hold Fan 88 linked with Armature
shaft. (Fig. 4) and remove M4x16 Pan head screw from the locked Armature shaft.
Bearing box cover, Ball bearing 6202DDW and Flat washer 4 can be removed.
[1] NECESSARY REPAIRING TOOLS
CAUTION: Unplug the tool and remove the abrasive disc for safety before repair/ maintenance!
Repair
DescriptionCode No.
1R269 Bearing extractor Removing Ball bearings
Use for
P 2/ 7
[2] LUBRICATION
[3] DISASSEMBLY/ASSEMBLY
Lubrication is not required for this product because no gear is used for transmission.
Fig. 1 Fig. 2
Fig. 4Fig. 3
DISASSEMBLING
Flag terminal
4x18 Tapping
screw (3 pcs)
Top cover
terminal of
Brush holder
Carbon brush
Slotted screwdriver Long-nose pliers
Motor housing
M4x16 Pan head screw
Flat washer 4
Bearing box cover
Screwdriver
Fan 88
Ball bearing 6202DDW
Brake ring
Bearing box cover
M4x16 Pan head
screws (3 pcs.)
Pad 123

6) Loosen 4x18 Tapping screws and remove Skirt L and Skirt R. (Fig. 5)
7) Remove Fan 88 from Armature shaft. Ball bearing 6202DDW, Bearing box and Flat washer 15 are left in Fan 88
together. (Fig. 6)
Note: Do not miss Flat washer 15 between Fan 88 and Ball bearing 6202DDW. (Fig. 7)
8) Remove Bracket with Armature ass’y by loosening 4x18 Tapping screws. (Fig. 8)
9) Remove Bracket from Armature ass’y using arbor press. (Fig. 9)
10) Use waterpump pliers so that the jaws of 1R269 are not open and remove Ball bearing 607DDW from Armature
commutator end shaft using their tools. (Fig. 10)
11) After installing M4x16 Pan head screw, use 1R269 with waterpump pliers to remove Ball bearing 629DDW from
Armature shaft. (Fig. 11)
Note: The clearances between Ball bearing 607DDW and Insulation washer, and Ball bearing 629DDW and Washer 9 are
very small. Therefore, waterpump pliers are required to securely hook their Ball bearings with the jaws of 1R269.
Repair
P 3/ 7
[3] DISASSEMBLY/ASSEMBLY (cont.)
Fig. 5
Fig. 8 Fig. 10
Fig. 6 Fig. 7
Fig. 9 Fig. 11
DISASSEMBLING
4x18 Tapping screw (2 pcs)
Skirt LSkirt R Fan 88
Bracket with
Armature ass’y
waterpump pliers
1R269
Insulation
washer
M4x16 Pan head screw
(to protect Armature shaft thread)
Fan 88 with Ball bearing
6202DDW, Bearing box
and Flat washer 15
Flat washer 15
4x18 Tapping
screw (4 pcs)
Ball bearing 6202DDW
Ball bearing 607DDW
Ball bearing 629DDW
Washer 9
Bearing box
arbor press
Armature
Bracket

Do the reverse of the disassembling steps.
When fixing Washer 9 to Armature shaft, face the convex portion to outside as illustrated in Fig. 12.
After mounting Fan 88 to Armature ass’y, fix Skirt R and Skirt L. The position of Skirt set can be fixed at eight directions.
When disassembling Skirt set, check the owner’s desired direction of the dust exit of Skirt and to set Skirt set in place in
reassembling. (Fig. 13)
Fit Brake ring into Skirt set as illustrated in Fig. 14.
Repair
P 4/ 7
[3] DISASSEMBLY/ASSEMBLY (cont.)
Fig. 13Fig. 12
Fig. 14
ASSEMBLING
dust exit of Skirt set
convex portion of
Washer 9
Note: 1) Face the rim portion to the machine side.
2) Fit the protrusions on the rim portion of
brake ring into the notches of Skirt set.
3) Insert the rim portion of Brake ring into
the groove on Skirt set.
rim portion of Brake ring
protrusions on
the rim portion
of Brake ring
notches of
Skirt set
groove on Skirt set

P 5/ 7
BO5030
BO5031
Circuit diagram
Fig. D-1
Red
White
Color index of lead wires' sheath
Black
Brush holderBrush holder
Terminal block
Terminal block
Controller
Brown is used for some countries.
Blue is used for some
countries.
(Connector is used instead of
Terminal block for some countries.)
Noise suppressor
(It is not used for
some countries.)
Noise suppressor
(It is not used for
some countries.)
Field
Switch
Switch
Brush holder
Connector
Brush holder Field
1 2
1 2
Brown is used for
some countries.
Blue is used for some
countries.

P 6/ 7
Fig. D-2
Wiring diagram
Put the slack portion of Lead wires
(red, white) in the space here.
Put the slack portion of Lead wires
(red, white) in the space here.
ribs
pin
Insulated connector
(Install it between two
ribs and pin as illustrated.
Brush holder
Fix Lead wires (white) of Noise
suppressor with these Lead wire holders.
Brush holder
Noise suppressor
Fix lead wires (red) for Switch
with these Lead wire holders.
Note: Some specifications do not have Noise suppressor.
BO5030 (Specifications with Terminal block)
BO5030 (Specifications with Insulated connector
instead of Terminal block)
Terminal block
(Insert it between
ribs as illustrated.)
Route one of Lead wire
(black or brown) of
Power supply cord
through this groove and
connect the lead wire
with Switch terminal.
Fix lead wires (black)
to Brush holders with
these Lead wire holders.
Switch

P 7/ 7
Fig. D-3
Fig. D-4
Wiring diagram
Connect receptacles
with Brush holders
as illustrated.
Route Lead wires (black, white) between
rib A and rib B.
Do not hook any Lead wires to the tops of
the ribs.
rib A
rib B
Noise suppressor
Fix lead wires (black)
to Brush holders with
these Lead wire holders.
Fix lead wires (red) for Switch
with these Lead wire holders.
Put the slack portion of Lead wires
(red, white) in the space here.
Put the slack portion of Lead wires
(white) for Noise suppressor in the
space here.
Fix Lead wire (white) with
Lead wire holders.
Fix Lead wire (red) with Lead
wire holder here.
Fix Field Lead wire (red) with
the lowest Lead wire holder here.
Terminal block
rib C
boss for Tapping screw
Controller
Strain relief
Fix Controller Lead wire (white)
with Lead wire holder here and
connect Terminal block.
Fix Controller Lead wire (red)
with Lead wire holder here.
Fix Controller Lead wire (red)
with Lead wire holder.
Insert Connector for Lead wire (red) between
rib C and Strain relief, and route the Lead wire (red)
between Strain relief and boss for Tapping screw.
BO5031 before
inserting Controller
BO5031 after
inserting Controller
Note: Some specifications do not have Noise suppressor.