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Model No.

 Description

PRODUCT

C

ONCEPT AND MAIN APPLICATIONS

DUC121/ DUC122 
14.4V/ 18V Cordless Chain Saw 115mm (4-1/2)

Models DUC121 and DUC122 are cordless chain saws powered by 

the following Li-ion battery;

DUC121 (14.4V): BL1415N (1.5Ah), BL1415NA (1.5Ah), BL1430 (3.0Ah), 

                              BL1430A (3.0Ah), BL1440 (4.0Ah) and BL1450 (5.0Ah)

DUC122 (18V): BL1815N (1.5Ah), BL1820 (2.0Ah), BL1830 (3.0Ah), 

                           BL1840 (4.0Ah) and BL1850 (5.0Ah)

These models feature higher operation efficiency and more convenience 

than the current 12V Model UC120D.

Note

: These products are not compatible with 1.3Ah battery BL1415/ BL1815.

Dimensions: mm (")

Width (W)
Height (H)

Length (L)

422 (16-5/8)

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

T

ECHNICAL INFORMATION

S

pecification

S

tandard equipment

O

ptional accessories

Note:

 The standard equipment may vary by country or model variation.

*4

 Battery, Charger and Plastic carrying case are not supplied with “Z” model

*5

 Supplied with the same quantity of extra battery

Battery

*

4

Battery cover

*

5

Charger

*

4

Plastic carrying case

*

4

File

Oil supply (containing 100ml of chain oil)

Guide bar cover

Chain blade 25AP-42E

Guide bar

Pruning extension set

Battery

Specification

Weight according to

EPTA-Procedure 01/2003

*

1

: kg (lbs)

Capacity: Ah
Cell

Voltage: V

18

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

2.6 (5.7)

*

3

14.4

2.5 (5.4)

*

2

1.5, 3.0, 4.0, 5.0

1.5, 2.0, 3.0, 4.0, 5.0

Charging time (approx.): min.

Energy capacity: Wh

27, 36, 54, 72, 90

22, 44, 58, 72

15, 22, 36, 45 with DC18RC

15, 24, 22, 36, 45 with DC18RC

Li-ion

115 (4-1/2)

5.0 (300)

4.8 (290)

*1

 With Guide bar, Saw chain

*2

 With Battery BL1430, BL1440 or BL1450

*3

 With Battery BL1830, BL1840 or BL1850

Cutting length: mm (")

Yes (Electric brake)

Chain brake

Model

DUC121

DUC122

Pitch

Chain blade

Type

1/4"

25AP-42E

L

H

W

Fast charger DC18RC

Charger DC18SD/DC24SC

Automotive charger DC18SE

Four port multi charger DC18SF

Two port multi fast charger DC18RD

For DUC121

Battery BL1415N

Battery BL1415NA

Battery BL1430

Battery BL1430A

Battery BL1440

Battery BL1450

For DUC122

Battery BL1815N

Battery BL1820

Battery BL1830

Battery BL1840

Battery BL1850

OFFICIAL USE 

for ASC & Sales Shop

Summary of Contents for DUC121

Page 1: ...attery Battery 4 Battery cover 5 Charger 4 Plastic carrying case 4 File Oil supply containing 100ml of chain oil Guide bar cover Chain blade 25AP 42E Guide bar Pruning extension set Battery Specificat...

Page 2: ...ote 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 to O ring 1 5 and insert the O ring 1 5 to Oil pump complete 3 apply...

Page 3: ...astic 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...

Page 4: ...ig 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 compon...

Page 5: ...cs 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 End...

Page 6: ...sing 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 Tappi...

Page 7: ...Lead wires for Endbell complete with Lead wire holders Motor housing Circuit diagram Fig D 1 Yellow White Color index of lead wires sheath Black Red 1 2 3 Endbell complete Controller Switch Terminal...

Page 8: ...om Endbell complete and Lead wires between Switch and Terminal in each Lead wire holder as drawn below Switch Terminal Controller Pass Lead wires through Line filter one by one Lead wire holders Lead...

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