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PRODUCT

C

ONCEPT AND MAIN APPLICATIONS

P  1/ 1

3

S

pecification

S

tandard equipment

O

ptional accessories

Note:

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

Model No.

Description

UH520D

UH422D/ UH482D/ UH522D

BUH481/ BUH521

BUH483/ BUH523
Cordless Hedge Trimmer  

520mm (20-1/2")

Cordless Hedge Trimmers 

420mm/ 480mm/ 520mm

 

                                               (16-1/2"/ 18-7/8"/ 20-1/2")

Cordless Hedge Trimmers 

480mm/ 520mm

 

(18-7/8"/ 20-1/2")

Cordless Hedge Trimmers 

480mm/ 520mm

 

(18-7/8"/ 20-1/2")

Dimensions: mm (")

Width (W)
Height (H)

*

2

 with 3.0Ah Li-ion battery  

*

3

 with 1.3Ah Li-ion battery

Length (L)

888 (35)/  938 (37)

*1

873 (34-3/8)/  923 (36-1/4)

*3

923 (36-1/4)

829 (32-5/8)/  879 (34-1/2)/  929 (36-1/2) 

BUH483/ 523

881 (34-3/4)/  931 (36-3/4)

*2

869 (34-1/4)/  919 (36-1/4)

*3

BUH481/ 521

UH520D

UH422D/ 482D/ 

522D

195 (7-5/8)
193 (7-5/8)

Battery

Charging time (approx.): min.

Weight according to

EPTA-Procedure 01/2003

*

5

: kg (lbs)

Capacity: Ah

Cell

Voltage: V

14.4

14.4

18

No load speed: min

ˉ

¹=spm

*

3

420 (16-1/2)/ 480 (18-7/8)/ 520 (20-1/2)

--- / --- / UH520D

--- / BUH481/ 521

--- / BUH483/ 523

Blade length: mm (")

--- / --- / 3.0

(--- / --- / 6.7)

--- / 3.0/ 3.0 (--- / 6.5/ 6.7),

--- / 3.1/ 3.2 (--- / 6.9/ 7.1) 

3.0/ 3.0/ 3.1

(6.6/ 6.7/ 6.8)

--- / 3.0/ 3.1 (--- / 6.7/ 6.8), 

--- / 3.2/ 3.3 (--- / 7.1/ 7.3)

 

1.3, 3.0

1.1

1.3, 3.0

Energy capacity: Wh

19, 44

16

24, 54

Li-ion

190

190

210

210

15, 22 with DC18RC

60 with DC18WA

18

UH422D/ 482D/ 522D

1.1

20

60 with DC18WA

15, 22 with DC18RC

1,350

Max output (W)

Blade cover ............................................. 1

Battery cover ........................................... 1 (same quantity as that of spare battery)

Battery BL1815 (for BUH483/ 523)

Battery BL1830 (for BUH483/ 523)

Charger DC18WA (for UH422D/ 482D/ 520D/ 522D)

Fast charger DC18RC (for BUH481/ 483/ 521/ 523)

Charger DC18SD (for BUH481/ 483/ 521/ 523)

Charger DC24SC (for BUH481/ 483/ 521/ 523)

Automotive charger DC18SE (for BUH481/ 483/ 521/ 523)

The subject models are 14.4V/18V cordless hedge trimmers.

Their main features are: 

• Anti-vibration structure

• User-replaceable blade
These products are compatible with the batteries

and the chargers in the list below.

BUH483/ 523

UH422D/ 482D/ 522D BL1811G

UH520D

BL1411G DC18WA

BUH481/ 521

BL1415

BL1430

DC18RC, 

DC18SD,

DC24SC, 

DC18SE

Model No.

Compatible

charger

BL1815

BL1830

Compatible

battery

Model

Specification

*3: 

spm= strokes per minute

*4: 

Indicates maximum diameter of the branch that can be received

      between adjacent two blade teeth. (See the figure on right.)

*5: 

with battery, shear blade assembly

Shear blade complete set

Blade cover

Chip receiver assembly set

Battery BL1411G (for UH520D)

Battery BL1811G (for UH422D/ 482D/ 522D)

Battery BL1415 (for BUH481/ 521)

Battery BL1430 (for BUH481/ 521)

Max. cutting diameter

*

4

: mm (")

ø15 (9/16)

T

ECHNICAL INFORMATION

L

H

W

Summary of Contents for UH520D

Page 1: ... 16 24 54 Li ion 190 190 210 210 15 22withDC18RC 60withDC18WA 18 UH422D 482D 522D 1 1 20 60withDC18WA 15 22withDC18RC 1 350 Max output W Blade cover 1 Battery cover 1 same quantity as that of spare battery Battery BL1815 for BUH483 523 Battery BL1830 for BUH483 523 Charger DC18WA for UH422D 482D 520D 522D Fast charger DC18RC for BUH481 483 521 523 Charger DC18SD for BUH481 483 521 523 Charger DC24...

Page 2: ...on to lubricate 27A 24 23 Flat washer 8 Bearing box Crank plate B Under cover DC motor a b 27A 27 viewed from Under cover side Crank plate A 23 Spindle The drum portion which is accepted by Bearing box The drum portion which is accepted by Under cover 24 Spur gear 93 Teeth portion for smooth engaging with DC motor s gear 27 viewed from Front grip side Both side where Crank plate A and Crank plate ...

Page 3: ...Shear blade complete to the machine as drawn in Fig 3 Flat washer 8 3 If Nylon sleeves are left in the holes of Spur gear section remove them after disassembly of Super gear section Flat washer 8 Mating line of Housing L and Housing R 2 Turn Spur gear 93 until its holes come on the mating line of Housing set Flat washer 8 Spindle on the projected side of Super gear 93 to Under cover Also refer to ...

Page 4: ...And loosen two M5x25 Pan head screws on the joints of Front grip 1 Unscrewing six 3x16 Tapping screws and one M4x65 Pan head screw separate Housing R from Housing L 2 Separate Motor housing section from Housing L 2 Pulling Front grip toward the direction designated with arrow remove it from the holes on the both side of Housing set 3 Push Front grip along the grooves on the both side of Housing se...

Page 5: ...etainer from Motor housing L 3 Separate DC Motor from Bearing box complete DC Motor Motor Housing L Bearing box complete DC Motor DC Motor 1 While facing M3x4 Hex socket head bolt to Motor housing L side mount DC Motor to Bearing box complete M3x4 Hex socket head bolt M3x4 Hex socket head bolt 2 While fitting M3x4 Hex socket head bolt to Rib on Motor housing L assemble DC Motor to Motor housing L ...

Page 6: ... as drawn in Fig 9 4 Assemble Front grip section as drawn in Fig 10 Motor housing section Housing L Joint of Switch lever B 1 Align the joints of Switch lever B and Front grip in line for smooth moving in the grooves on Housing set 2 Pulling Front grip section to both side fit the Joints of Switch lever B and Front grip to the grooves on Housing set 3 Pulling Front grip section to both side fit Fr...

Page 7: ...ear 93 because Crank pin can not be fit to Spur gear 93 precisely Press fit Spindle from the depressed side of Spur gear 93 so that Shear blade complete is assembled to Spur gear 93 precisely CORRECT WRONG 1 Disassemble Shear blade complete and then remove Spur gear section as drawn in Fig 2 2 Disassemble Spur gear 93 as drawn in Fig 11 Spindle Spindle Spur gear 93 1 Put Spur gear section on 1R035...

Page 8: ...Assemble Front grip as drawn in Fig 14 2 Assemble Protector to Front grip Refer to Fig 4 Compression spring 5 1 While hooking the claw of Switch lever B to Front grip assemble Front grip to Switch lever B 2 Push Switch lever B toward Front grip and fit the bosses of Switch lever B to the holes of Front grip Claw Boss of Switch lever B Front grip Switch lever B Front grip Boss of Switch lever B Hol...

Page 9: ...rawn in Fig 4 2 Remove Housing R as drawn in Fig 5 3 Switch arm is removed as drawn in Fig 15 Switch arm has to be assembled to Housing L so that it can push ON OFF button of Switch to link with Switch lever B s action See Fig 16 Switch arm Switch ASSEMBLING Switch ON OFF Button Switch arm Repair P 9 13 ...

Page 10: ...ar grip COM Switch lever B side DC motor to DC motor to Terminal to Switch in Front grip Controller Controller Terminal Model No Power source Battery Red BUH483 523 BUH481 521 BL1415 BL1430 14 4 V BL1815 BL1830 18 V Red dot mark White lead wire is used for some countries Line filter to AS Terminal AS Switch in front grip to Switch in Rear grip P 10 13 Line filter is not used for some countries Lin...

Page 11: ...roller Terminal Red BL1811G 18V to AS Terminal Switch in front grip Red dot mark LED Warning lamp for battery Line filter White lead wire is used for some countries Line filter is not used for some countries AS Circuit diagram cont P 11 13 COM Model No Power source Battery UH422D 482D 522D UH520D BL1411G 14 4V LED Warning lamp for battery to Switch in Front grip to Switch in Rear grip Line filter ...

Page 12: ...ng L side Controller side DC motor Controller Rib A Pass Controller s Lead wires 6 pcs between Rib A and Rib B to prevent them from being put on the Ribs Face black Lead wire to Controller side and set DC motor to Motor housing L Rib B Motor housing L Lead wire red between Controller and DC motor has to be routed between Boss and inner wall of Motor housing L Boss Tape for bundling Lead wires Bear...

Page 13: ... Receptacle Housing L side Wiring of LED warning lamp for battery Rib A LED Lamp Rib C Groove Face the projected portion of LED Lamp to Front grip side Boss Put LED Lamp s Lead wires into groove Put the following Lead wires between Rib A and Boss Put Lead wires between Rib B and Rib C Wiring to Terminal Flag connectors have to be connected so that their lead wires are passed over the center of Ter...

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