Makita Trimmer BUR141 User Manual

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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