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Model No.

 Description

PRODUCT

C

ONCEPT AND MAIN APPLICATIONS

BUC121, BUC122 (LXCU01

*

1

)

Cordless Chain Saw 115mm (4-1/2)

Models BUC121 and BUC122 (LXCU01

*

1

) have been developed 

as the first Makita cordless chain saws powered by 3.0Ah Li-ion battery.

Features higher operation efficiency and more convenience than

the current 12V Model UC120D.

Model BUC121 is powered by 14.4V Li-ion battery of BL1430,

and BUC122 by 18V Li-ion battery of BL1830.

Dolmar-brand version of BUC122 is also available as Model AS-1812.
See next page for detailed information on benefits.
These products are available in the following variations.

Dimensions: mm (")

Width (W)
Height (H)

Length (L)

422 (16-5/8)

195 (7-5/8)
215 (8-1/2)

All models also include the accessories listed in "Standard equipment".

BUC121

BUC121RF

BUC121Z

BL1430

(Li-ion 3.0Ah)

DC18RA

No

No

No

Model No.

type

quantity

Charger

Yes

No

Plastic

carrying case

1

BUC121RFE

2

No

1

Battery

BUC122/ LXCU01*

1

T

ECHNICAL INFORMATION

Battery

cover

BUC122RF

LXCU01

BL1830

(Li-ion 3.0Ah)

DC18RA

No

No

No

Model No.

type

quantity

Charger

Yes

No

Plastic

carrying case

1

BUC122RFE

2

No

1

Battery

BUC122Z

No

No

No

No

Battery

cover

S

pecification

S

tandard equipment

O

ptional  accessories

Note:

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

File ..................................................................... 1

Oil supply (containing 100ml of chain oil) ....... 1

Guide bar cover ................................................. 1

Chain blade 25AP-42E

Guide bar

Pruning extension set

Battery

Specification

Weight according to

EPTA-Procedure 01/2003

*

2

: kg (lbs)

Capacity: Ah
Cell

Voltage: V

18

Chain speed: m/s (m/min.)

2.6 (5.7)

14.4

2.5 (5.4)

3.0

Li-ion

115 (4-1/2)

5.0 (300)

4.8 (290)

*2

 with battery, Guide bar and saw chain

Cutting length: mm (")

Yes (Electric brake)

Chain brake

Model

BUC121

BUC122 (LXCU01*

1

)

Pitch

Chain blade

Type

1/4"

25AP-42E

L

H

W

Battery BL1430 (for 

BUC121

)

Battery BL1830 (for 

BUC122/ LXCU01*

1

)

Fast charger DC18RA

Charger DC24SC

Charger DC18SC

Automotive charger DC18SE

*

1

 Model number for North and Central American countries

Содержание BUC121Z

Страница 1: ...stic carrying case 1 BUC121RFE 2 No 1 Battery BUC122 LXCU01 1 TECHNICAL INFORMATION Battery cover BUC122RF LXCU01 BL1830 Li ion 3 0Ah DC18RA No No No Model No type quantity Charger Yes No Plastic carrying case 1 BUC122RFE 2 No 1 Battery BUC122Z No No No No Battery cover Specification Standard equipment Optional accessories Note The standard equipment for the tool shown above may vary by country Fi...

Страница 2: ...Note Be sure to apply a little amount of the above grease to the inner periphery of Crank 2 apply a little amount of Lubricant VG100 Part No 182229 1 Oil supply 100cc to O ring 1 5 and insert the O ring 1 5 to Oil pump complete 3 apply sealing lubricant to the both surface of Flat washer 6 under Knob 60 1 Remove Sprocket cover section by turning Knob 60 counterclockwise 2 Put Sprocket cover sectio...

Страница 3: ...lastic hammer Fig 4 Bearing housing can be removed Note Do not strike Leaf spring near Spindle 3 DISASSEMBLY ASSEMBLY cont 3 2 Disassembling Assembling Gear Section DISASSEMBLING 3 Install Lock washer 12 and Sprocket 9 to Spindle and hook Stop ring 8 to the groove of Spindle to prevent Lock washer 12 and Sprocket 9 from being removed Note It is not necessary to set Stop ring 8 in place in this ste...

Страница 4: ...Fig 9 Stepped portion of Helical gear 50 Ball bearing 696ZZ Ball bearing 609LLB Cam Spindle Stop ring E 8Sprocket 9Lock washer 12 groove of Spindle Repair 1 As illustrated in Fig 8 press fit the components of Gear section Note Helical gear 50 is directional Therefore press fit Helical gear 50 so that its stepped portion can face the direction of Ball bearing 609LLB Fig 8 Cam is not directional Pre...

Страница 5: ...pcs for fixing Motor housing R and L when replacing Armature only If Armature is left in Motor housing grab Fan carefully and remove Armature with Fan from Motor housing When replacing Yoke unit or Endbell complete remove the above 4x18 Tapping screws 4 pcs to separate Motor housing L and R The removed Push nut can be reused Note 1 Correct the deformed Push nut so that its concave can be reduced b...

Страница 6: ...using with Yoke and Armature Therefore Do not pinch finger and Lead wires Fig 14 in this step 3 Set Ring 30 Switch lever and Lock off button in place then Match Handle L with Handle R and tighten Tapping screws Fig 13 Note Magnetic force pulls Motor housing with Yoke and Armature Therefore Do not pinch Lead wires Fig 15 in this step ASSEMBLING Notch of Yoke Protrusion of Motor housing R Fig 14 Fig...

Страница 7: ...e with Lead wire holders Motor housing 1 2 Circuit diagram Fig D 1A For BUC121 BUC122 Switch Endbell complete Terminal Red White Color index of lead wires sheath Black 3 1 2 Fig D 1B For LXCU01 Switch Endbell complete Controller AS Terminal Red White Color index of lead wires sheath Black 3 Yellow ...

Страница 8: ...ers 1 Lead wires for Endbell complete 2 Lead wires for connecting Switch and Terminal unit Lead wire holders Motor housing Switch Lead wire holder Switch Lead wire holders Terminal unit Fix the following Lead wires with Lead wire holders 1 Lead wires for Endbell complete 2 Lead wires for connecting Switch and Terminal unit Controller Motor housing ...

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