Makita BO3710 Manual

PRODUCT

P 1/ 7

Model No.

Description

Specification

Standard equipment

Note: The standard equipment for the tool shown above may vary by country.

BO3710, BO3711

Finishing Sander

Models BO3710 and BO3711 have been developed as

the successor models of BO3700.

Additionally to the same lightweight design as BO3700,

BO3710 and BO3711 feature the following conveniences:

Lower total height from the base to the top of the grip

for easier handling and higher maneuverability

Ergonomic tool body for sure grip and easy handling

whether in single- or double-handed operation

Easy-to-operate paper clamp with rolled clamper’s edges

The specification difference between BO3710 and BO3711 is;

BO3710: Single speed model

BO3711: Variable speed model

Abrasive paper 93-120 .............. 1

Punch plate ................................ 1

Dust bag or Dust box ................ 1

Model No. BO3710 BO3711

Optional accessories

Abrasive papers 93-60, 93-80, 93-120, 93-180, 93-240 (Clamp type)

Abrasive papers 93-60, 93-80, 93-120, 93-180, 93-240 (Hook & loop type)

Punch plate

Hose complete 28-1.5

Pad complete (Clamp type)

Pad complete (Hook & loop type)

Filter set (including 5 non-woven cloth filters)

Dimensions: mm (")

Width (W)

Height (H)

Length (L) 253 (10)

92 (3-5/8)

154 (6-1/16)

Continuous Rating (W)

Voltage (V) Cycle (Hz) Input Output

Max. Output (W)

110

120

220

230

240

1.8

1.7

0.95

0.85

50/60

190

---

190

Current (A)

*1 Optional pad complete (Hook & loop type) is required.

*2 Weight according to EPTA-Procedure 01/2003

Specification

Pad size: mm (") 93 x 185 (3-5/8 x 7-1/4)

Double insulation

Net weight*2: kg (lbs)

Power supply cord: m (ft)

Abrasive paper size: mm (") 93 x 228 (3-5/8 x 9)

Yes

2.0 (6.6)

1.6 (3.5) 1.6 (3.5)

Orbits per minute: min.-1= opm 11,000

Strokes per minute: min.-1= spm 22,000

4,000 - 11,000

8,000 - 22,000

Variable speed control by dial No Yes

Paper fastening system Hook & loop

Clamp

Yes*1

TECHNICAL INFORMATION

CONCEPT AND MAIN APPLICATIONS

P 2/ 7

Repair

CAUTION: Repair the machine in accordance with “Instruction manual” or “Safety instructions”.

[1] NECESSARY REPAIRING TOOLS

[2] LUBRICATIONS

[3] DISASSEMBLY/ASSEMBLY

[3]-1. Armature

Fig. 2

Fig. 1

Code No. Description Use for

1R027 Bearing setting pipe 18-10.2 Removing Armature

1R029 Bearing setting pipe 23-15.2 Removing Balancer from Base

1R269 Bearing extractor Removing Ball bearings from Armature

1R286 Round bar for Arbor 12-50 Removing Ball bearing 6202DDW from Balancer

1R350 Ring 60 Holding Base when removing Balancer and Ball bearing 6202DDW

1R258 V block Holding Ball bearing 6202DDW when removing Balancer

No lubrication is required.

4x18 Tapping screw

(5pcs.)

1) Remove Top cover by unscrewing five 4x18 Tapping screws.

Then remove Brush holders with Carbon brushes and Lead wires.

Switch, Noise suppressor and Power supply cord can be replaced.

(Fig. 1)

2) Remove Pad complete by unscrewing four M4x10 Pan head screws.

O ring 53 may be attached to Pad complete. Do not lose O ring 53.

(Fig. 2)

3) Insert Slotted screwdriver between a rib of Base and Balancer to

stop moving of Balancer and remove M5x16 Countersunk head

screw. (Fig. 3)

4) Remove Base together with Balancer and Ball bearing 6202DDW.

(Fig. 4)

5) Remove Fan guide, Flat washer 8 and Fan 68 by unscrewing two

4x18 Tapping screws. (Fig. 5)

6) After removing four 4x18 Tapping screws, tap Motor housing with

Plastic hammer as illustrated in Fig. 6. Armature can be removed

together with Bearing box.

M4x10 Pan head

screw (4pcs.)

Top cover

Brush

holders

Pad

complete

O ring 53

Base

Fig. 5 Fig. 6

Fig. 3 Fig. 4

DISASSEMBLING

Slotted screwdriver

Phillips screwdriver

Balancer

Rib of Base

Ball bearing 6202DDW

Balancer

M5x16 Countersunk

head screw

4x18 Tapping screw

(2pcs.)

4x18 Tapping screw

(4pcs.)

Base

Fan guide

Fan 68

Flat washer 8

Armature

Motor housing

Bearing box

[3] DISASSEMBLY/ASSEMBLY

[3]-1. Armature (cont.)

DISASSEMBLING

P 3/ 7

Repair

Fig. 7A Fig. 7B

Fig. 8 Fig. 9

7) Armature can be removed from Bearing box by tapping the shaft with plastic hammer. (Fig. 7A)

Note: When it is difficult to remove Armature in the above manner, put 1R027 on Ball bearing 6200DDW and press

down 1R027 as illustrated in Fig. 7B.

8) Apply 1R269 to the clearance between Insulation washer and Ball bearing 607ZZ, and set the legs of 1R269 to Arbor

press to prevent the jaws of 1R269 from being slipped off. Ball bearing 607ZZ can be removed with vise and 1R269.

(Fig. 8)

9) Install M5x16 Countersunk head screw temporarily to the Armature shaft, and then remove Ball bearing 6200DDW

without damage to the thread of Armature shaft. (Fig. 9) Flat washer 10 can be removed.

1R027

Ball bearing 607ZZ

Ball bearing

6200DDW

Insulation

washer

Flat washer 10

1R269

M5x16 Countersunk head screw

Ball bearing 6200DDW

Ball bearing

6200DDW

Flat washer 10

protrusion

Ball bearing

6200DDW

Take the disassembling step in reverse.

Note: 1) Do not fail to set Flat washer 10 on the drive end of Armature shaft before pressfit Ball bearing 6200DDW in place.

(Figs. Figs. 9 and 8) Face the protrusion of Flat washer 10 to Ball bearing 6200DDW.

2) Be sure to install O ring 53 into Base. (Fig. 2)

3) Flat washer 8 has to be put between Ball bearing 6202DDW and Fan 68. (Fig. 4)

ASSEMBLING

P 4/ 7

Repair

[3]-2. Ball bearing 6202DDW, Balancer

1) Remove Pad complete by unscrewing four M4x10 Pan head screws.

Note: It is not necessary to remove Top cap.

2) Remove Base section from the machine by unscrewing M5x16 Countersunk head screw.

3) Disassemble Base section as illustrated in Fig. 10.

DISASSEMBLING

1R350

1R029 1R286

Base

1R258

Ball bearing

6202DDW

Receive Base with 1R350 and press down

Ball bearing 6202DDW using 1R029. Receive Balancer with 1R258 and press down Balancer using 1R286.

Balancer

Ball bearing

6202DDW

Fig. 10

[3] DISASSEMBLY/ASSEMBLY

[3]-3. Field

DISASSEMBLING

ASSEMBLING

Fig. 11 Fig. 12

1) After removing Armature in accordance with the clause of [3]-1, remove two 4x40 Tapping screws. (Fig. 11)

2) Tap Motor housing against work table as illustrated in Fig. 12.

Field can be disassembled from Gear housing.

Note: Cover the work table with something soft to avoid the damage to Gear housing before disassembling.

Take the disassembling step in reverse.

ASSEMBLING

Take the disassembling step in reverse.

4x40 Tapping

screw (2pcs.)

P 5/ 7

Repair

[3] DISASSEMBLY/ASSEMBLY

[3]-3. Field

ASSEMBLING

Fig. 11

1) Facing the red lead wire side to Front grip side, assemble Field as illustrated in Fig. 13.

2) As for the further step, take the reverse step of Disassembly.

Red Lead wire

Front grip

Front grip side

Circuit diagram (BO3710 without pre-set Dial for Speed Control)

Wiring diagram (BO3710 without pre-set Dial for Speed Control)

Blue Lead wire is used

for some countries.

Fig. D-1

Fig. D-2

Fix Field lead wire (red) with

these Lead wire holders.

Do not make slack of

Field lead wires (black, red)

in Motor houisng.

Red

Switch

Field

Brush holder

Noise suppressor

Front grip side

White

Color index of lead wires' sheath

Black

Brown Lead wire is used

for some countries.

Fix Field lead wire (black)

with these Lead wire holders.

Noise suppressor

Power supply cord

Brush holder Brush holder

Switch

Bend the Terminal to the

illustrated direction in order

to reserve the space for Noise

suppressor.

Fix Field lead wires (red, white)

with these Lead wire holders.

P6/ 7

Do not make slack of Field

lead wires (black, white)

in Motor houisng.

Circuit diagram (BO3711 with pre-set Dial for Speed Control)

Wiring diagram (BO3711 with pre-set Dial for Speed Control)

P 7/ 7

Fig. D-3

Fig. D-4

Red

Field

Brush holder

Noise suppressor

Front grip side

White

Color index of lead wires' sheath

Black

Power supply cord

Brush holder Brush holder

Switch

Controller

Insulated connector

Controller

Controller has to be

connected to the circuit

without using Lead

wire holders.

Fix Field lead wire (red) with

these Lead wire holders.

Fix Field lead wires (red, black)

with these Lead wire holders.

Fix Field lead wires (black)

with lead wire holders.

Bend Terminal to the illustrated

direction in order to reserve the

space for Noise suppressor.

Noise suppressor

Lead wire holder

White Lead wire is used

for some countries.

Blue Lead wire is used

for some countries.

Brown Lead wire is used

for some countries.

Do not make slack of Field

lead wires (black, white)

in Motor houisng.

Do not make slack of

Field lead wires (black, red)

in Motor houisng.

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