PRODUCT
ECHNICAL INFORMATION
T
P 1/ 12
H
Model No.
BUR141/ BUR181/ UR140D/ UR180D
(LXRU01/ LXRU02/ RU01/ RU02)*1
Description
260mm (10-1/4") Cordless String Trimmer
*1 Model number for North and Central American countries
L
CONCEPT AND MAIN APPLICATIONS
Models BUR141/ BUR181/ UR140D/ UR180D have been developed as
lightweight 260mm (10-1/4") Cordless string trimmers for home gardening
powered by the following Li-ion batteries:
BUR141 by BL1415/BL1430 (14.4V-1.3/3.0Ah)
BUR181 by BL1815/BL1830 (18V-1.3/3.0Ah)
UR140D by BL1411G (14.4V-1.1Ah)
The image is
model UR140D.
W
Dimensions: mm (")
minimum 1,229 (48-1/2)
maximum 1,433 (56-1/2)
267 (10-1/2)
UR180D by BL1811G (18V-1.1Ah)
Length (L)
Width (W)
Height (H)*1
And they feature well balanced tool design with angle adjustable
cutting head.
minimum
186 (7-3/8)
maximum 257 (10-1/8)
These products are available in the variations listed in the next page.
*1 The height varies depending on the angle of
the cutting head.
Specification
BUR141
(LXRU01*1)
BUR181
(LXRU02*1)
UR140D
(RU01*1)
UR180D
(RU02*1)
Model
Specification
Cell
Li-ion
Voltage: V
Capacity: Ah
14.4
18
14.4
16
18
20
1.3/ 3.0
1.1
60
Battery
Energy capacity: Wh
19/ 44
24/ 54
15/ 22
with DC18RC
Charging time: min.
with DC18WA
Max. output: W
160
230
160
230
Cutting width: mm (")
No load speed: minˉ¹=rpm
260 (10-1/4)
7,800
7,800
6,000
6,000
Cord feeding system
Cutting system
Bump & Feed
Single cord
Nylon
cutting head
Nylon cord
[diameter x length]
1.65mm x 8m (1/16" x 26ft)
Length adjust range of pipe shaft: mm (")
Edger function
190 (7-1/2)
Yes
Weight according to EPTA-Procedure
01/2003*2: kg (lbs)
2.9 (6.3)/ 3.0 (6.7) 2.9 (6.4)/ 3.1 (6.9)
2.9 (6.3)
2.9 (6.4)
*1 Model number for North and Central American countries
*2 with Battery, Nylon cutting head, Shoulder strap, Guard, Loop handle
Standard equipment
Nylon cutting head ............................... 1
Shoulder belt ....................................... 1
Safety goggles ..................................... 1
15m Nylon cord ................................... 1
Note: The standard equipment for the tool shown above may vary by country.
Optional accessories
Shoulder belt
Safety goggles
15m Nylon cord
30m Nylon cord
Spool set
Battery BL1415 (for BUR141)
Battery BL1430 (for BUR141)
Battery BL1815 (for BUR181)
Battery BL1830 (for BUR181)
Battery BL1411G (for UR140D)
Battery BL1811G (for UR180D)
Fast charger DC18RC (for BUR141, BUR181)
Charger DC18SD (for BUR141, BUR181)
Charger DC24SC (for BUR141, BUR181)
Automotive charger DC18SE (for BUR141, BUR181)
Charger DC18WA (for UR140D, UR180D)
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P 3/ 12
Repair
CAUTION: Repair the machine in accordance with “Instruction manual” or “Safety instructions”.
[1] NECESSARY REPAIRING TOOLS
Code No.
1R022
1R217
1R236
1R286
Description
Use for
Bearing plate
Ring 22
Supporting Spool holder to remove Spur gear 48
Supporting Spur gear 48 to remove Gear shaft
Removing Spool holder
Round Bar for Arbor 7-100
Round Bar for Arbor 12-50
Supporting Spool holder to press-fit Gear shaft
[2] LUBRICATION
Apply Makita grease N. No.2 to the following portions designated with the black triangle to protect
parts and product from unusual abrasion.
Item No.
10
Description
Motor housing L
Portion to lubricate
Amount
3 g
Gear room where Spur gear 48 rotates
Fig. 1
10
Motor housing R
DC motor
Spur gear 48
[3] DISASSEMBLY/ASSEMBLY
[3] -1. Gear shaft complete
DISASSEMBLING
(1) Remove Spool set and Safety cover as drawn in Fig. 2.
Fig. 2
1. While pressing the tabs, pull off Spool set.
Compression spring 17 is removed together
with Spool set.
2. Loosen two M4x20 Pan head screws, and remove Safety
cover from Motor housing set.
Note: Each M4x20 Pan head screw has O ring 4 on the thread
to prevent losing. It is not necessary to separate M4x20
Pan head screws from Safety cover/ O rings 4.
Reverse side of
Safety cover
M4x20 Pan
head screw
(2 pcs.)
Each O ring 4 on the
thread of M4x20
Pan head screw
Compression
spring 17
Spool set
Tabs of
Spool set
M4x20 Pan
head screw
(2 pcs.)
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P 4/ 12
Repair
[3] DISASSEMBLY/ASSEMBLY
[3] -1. Gear shaft complete (cont.)
DISASSEMBLING
(2) After removing Motor housing R, Remove DC motor and Gear shaft complete as drawn in Fig. 3.
Fig. 3
3. Remove five 4x18 Tapping screws and
Motor housing R from Motor housing L.
4. Remove Gear shaft complete together with DC motor.
And separate DC motor section from Gear shaft complete.
Note: Be careful not to lose Rubber pin 4.
4x18 Tapping screw (5 pcs.)
Motor housing R
Motor housing L
Rubber pin 4
(2 pcs.)
DC motor
Gear shaft complete
(3) Disassemble Gear shaft complete as drawn in Fig. 4.
Fig. 4
5. Remove M4x8 Pan head screw. And then,
install M4 Hex socket head bolt in preparation
of the next step.
6. Receive Spool holder with 1R022 and press M4 Hex
socket head bolt with 1R236. Spool holder is removed.
Arbor press
1R236
M4x8 Pan
head screw
M4 Hex socket
head bolt
Spool holder
Spool holder
Receive the bottom of
Spool holder with 1R022.
M4 Hex socket
head bolt
1R022
Arbor press table
Spur gear 48
Gear shaft
7. Holding Spur gear 48 with 1R217,
press M4 Hex. socket head bolt on
Gear shaft. Spur gear 48 is removed.
8. Remove Ball bearing 696ZZ, Retaining
ring S-8, Ball bearing 608ZZ and M4 Hex.
socket head screw from Gear shaft.
Spur gear 48
1R 217
Ball bearing 608ZZ
Ball bearing 696ZZ
M4 Hex. socket
head screw
Retaining ring S-8
Gear shaft
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P 5/ 12
Repair
[3] DISASSEMBLY/ASSEMBLY
[3] -1. Gear shaft complete (cont.)
ASSEMBLING
(1) Assemble Gear shaft complete as drawn in Fig. 5.
Fig. 5
1. Press Gear shaft to Spur gear 48 as drawn below.
Press Ball bearing 608ZZ to Gear shaft and secure Ball bearing 608ZZ with Retaining ring S-8.
Press Ball bearing 696ZZ to Gear shaft.
Note: Be careful to the direction of Gear shaft.
Step for Ball bearing 696ZZ
Groove for Retaining ring S-8
Ball bearing 696ZZ
Retaining ring S-8
Ball bearing 608ZZ
Step for Ball bearing 608ZZ
Gear shaft
Knurling portion
Spur gear 48
2. Supporting Spool holder with 1R286,
press Gear shaft section to Spool holder.
Spool holder
Gear shaft
section
1R286
3. Apply adhesive (ThreeBond 1342 or Locktite 242) to the thread of M4x8 Pan head screw when reusing it.
Replace M4 Hex socket head bolt to M4x8 Pan head screw with adhesive.
Note: Makita genuine M4x8 Pan head screw is thread locker screw.
Compression spring 17
(2) Assemble Gear shaft complete to Motor housing in the reverse order of Disassembly. (refer to Fig. 3)
Note: Make sure that 2 pcs. of Rubber pin 4 are mounted to Motor housing (L).
[3] -2. DC motor
DISASSEMBLING
DC motor can be removed as drawn in Fig. 3.
No need to disassemble Spool set.
Note: Be careful not to lose Rubber pin 4.
ASSEMBLING
Assemble DC motor to Motor housing in the reverse order of disassembly. (Refer to Fig. 3)
Note: Make sure that 2 pcs. of Rubber pin 4 are mounted to Motor housing (L).
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P 6/ 12
Repair
[3] DISASSEMBLY/ASSEMBLY
[3] -3. Pipe section
DISASSEMBLING
(1) Remove Spool set and Safety cover as drawn in Fig. 2.
(2) Separate Motor housing (R) from Motor housing (L) as drawn in Fig. 3.
(3) Disassemble Pipe 25 complete as drawn in Fig. 6.
Fig. 6
1. Remove Lock off button B and
Compression spring 12.
2. Remove Pipe holder (R) by unscrewing four 4x18 Tapping screws
and disconnect Lead wires (black, white) from DC motor.
Note: Be careful not to lose Rubber pin 6.
Lock off button B
Compression spring 12
Pipe holder (R)
Rubber pin 6
Pipe 25
4. While aligning the indicator (triangle) on
Lock sleeve to the just center of “Unlock”
and “Lock”, pull off it toward Pipe 25 side.
3. Remove M6 Nut and M6x60 Hex bolt.
And remove Front grip.
M6x60 Hex bolt
M6 Nut
Pipe 25
Indicator (triangle)
on Lock sleeve
5. Remove Handle (R) from Handle (L) by unscrewing
eleven 4x18 Tapping screws.
Pull out Power supply cord unit from Pipe 25 complete.
Symbol of
“Lock”
Symbol of
“Unlock”
Handle (R) complete
Pipe 25 complete
Pipe cap
Rubber sleeve 25
6. Remove Lock sleeve and Rubber sleeve 25.
Lock sleeve Pipe 25 complete Pipe cap
Lock sleeve
Power supply cord unit
Handle (L) complete
Rubber sleeve 25
Pipe cap
7. While pressing the projections
on the both sides of Pipe 25
complete, pull off Pipe cap
from Pipe 25 complete.
Projections of
Pipe cap
Pipe 25
complete
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P 7/ 12
Repair
[3] DISASSEMBLY/ASSEMBLY
[3] -3. Pipe section (cont.)
ASSEMBLING
Assemble Pipe section as drawn in Figs. 7 and 8.
Fig. 7
2. Pass Power supply cord unit through Pipe 25.
Fit the square projection of Pipe cap into the inner groove of
Handle (L).
1. Insert Pipe cap into Pipe 25 so that the square
projection of Pipe cap fits in the left side of
Pipe as drawn below.
Set Rubber sleeve 25 in place of Handle (L).
Assemble Handle (R) to Handle (L).
Next, mount Rubber pipe 25 and Lock
sleeve 25 onto Pipe 25.
Lock sleeve
Power supply
cord unit
Caution label
Note: Face the caution label
upward as drawn in Fig. 8.
Rubber sleeve 25
Rubber sleeve 25
Pipe 25
Square projection of
Pipe cap
Caution label
Two holes
on the pipe end
close to caution
label
Inner groove
as a guide rail for
Pipe 25 moving
Hole on the pipe end
Right
Pipe 25
Left
Square projection
Handle (L)
Pipe cap
Fig. 8
Caution label faced upward
3. Mount Lock off button B to Pipe holder (R)
so that the notch aligns to the triangle mark
as drawn below.
Note: Make sure that 2 pcs. of Rubber pin 6
are set in place.
4. While aligning the triangle mark of Lock sleeve to
the symbol of “Unlock” on Handle (L), push Lock
sleeve toward Handle complete until it clicks.
And turn Lock sleeve until its triangle mark aligns
to the symbol of “Lock” on Handle (R).
Caution Label
Triangle mark on
Pipe holder (R)
Triangle mark
Symbol of
“Lock”
Rubber pin 6
(2 pcs.)
Lock
sleeve
Symbol
of “Lock”
Handle (R)
Symbol of
“Unlock”
Notch of Lock
off button B
Handle (L)
Lock off button B
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P 8/ 12
Circuit diagram
UR140D, UR180D, BUR141, BUR181
Fig. D-1
Color index of lead wires' sheath
Black
Red
White
Orange
Yellow
Handle section
LED warning
Lamp
This Lead wire is white
for some countries
instead of red.
Switch
Pipe 25 section
Terminal
Controller
Motor
housing
Power supply cord
DC
motor
Red dot mark
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P 9/ 12
Wiring diagram
UR140D, UR180D, BUR141, BUR181
Wiring to DC motor
Fig. D-2
While facing the wire connecting portions to Motor housing (L) side,
connect Lead wire (red) receptacle to the terminal with Red dot mark
and Lead wire (black) receptacle to the other terminal.
Flag receptacles
Red dot mark
Wire connecting
portions
Room for Ball bearing 608ZZ
of Gear shaft complete
Motor housing
(L) side
Fig. D-3
Wiring in Motor housing L
1. Come out at least 5 mm long portion of Power supply cord unit
from the lower edge of Labyrinth figured lead holders.
2. Make sure that Power supply cord unit is fixed in Labyrinth
figured lead holders.
Labyrinth figured
lead holders
Power supply cord unit
(black, white)
at least 5 mm
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P 10/ 12
Wiring diagram
UR140D, UR180, BUR141, BUR181
Fig. D-4
Wiring in Pipe 25
1. Insert the long sheath side into Pipe 25 complete as drawn below.
Lead wires for connecting to
Controller in Handle set
Long sheath
Coil portion
Lead wires for connecting to
DC motor in Motor housing
Pipe 25 complete
Short
sheath
Coil portion
2. Long sheath of Power supply cord unit
except the coil portion must be tight in
Pipe 25 complete.
3. Be sure to check that Pipe 25 complete
can be smoothly pulled and pushed back.
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P 11/ 12
Wiring diagram
UR140D, UR180D
Wiring to Terminal
Fig. D-5
While facing the wire connecting portions
to Pipe 25 side, connect the Lead wires
(black, Yellow) to Terminal. And then,
connect Lead wire (red) to Terminal.
Lead wire
(Yellow)
Wire connecting
portion
Lead wire
(red)
Lead wire
(black)
Pipe 25 side
Terminal
Handle (L) side
Fig. D-6
Wiring in Handle (L)
Put LED warning lamp’s lead wire (red)* on
its lead wire (black) and insert them into
the groove in Handle (L).
LED warning lamp
*using Lead wire (white) for some countries
Rib
Power supply cord unit
Rib
at least
5 mm
Pass Lead wire (red) between Terminal and
Switch through the space between Rib A
and Rib B.
Switch
Rib A
Lead wire (red)
Sheath
Terminal
1. Come out at least 5 mm long portion of
Power supply cord unit from the lower
edge of Labyrinth figured lead holders.
But the sheath end must not go over Rib A.
2. Make sure that Power supply cord unit is
fixed in Labyrinth figured lead holders.
Rib B
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P 12/ 12
Wiring diagram
UR141D, UR181D
Wiring to Terminal
Fig. D-7
While facing the wire connecting portion
to Pipe 25 side, connect the Lead wire
(black) to Terminal. And then, connect Lead
wires (red, yellow) to Terminal.
Lead wire
(Yellow)
Lead wire
(red)
Lead wire
(black)
Wire connecting portion
Pipe 25 side
Terminal
Handle (L) side
Fig. D-8
Wiring in Handle (L)
Put LED warning lamp’s lead wire (red)* on
its lead wire (black) and insert them into
the groove in Handle (L).
LED warning lamp
*using Lead wire (white) for some countries
Rib
Power supply cord unit
Rib
at least
5 mm
Pass Lead wires (red, yellow) between Terminal
and Switch through the space between Rib A
and Rib B.
Pass Lead wire (yellow) through the space
between Rib A and Rib C.
Switch
Rib A
Sheath
Lead wire (red)
1. Come out at least 5 mm long portion of
Power supply cord unit from the lower
edge of Labyrinth figured lead holders.
But the sheath end must not go over Rib A.
2. Make sure that Power supply cord unit is
fixed in Labyrinth figured lead holders.
Rib C
Terminal
Rib B
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