ECHNICAL INFORMATION
PRODUCT
T
P 1/ 9
Model No.
Description
BUH550/ BUH650
W
Cordless Hedge Trimmers 550, 650mm (21-5/8, 25-1/2")
L
H
CONCEPT AND MAIN APPLICATIONS
Models BUH550 and BUH650 are cordless hedge trimmers powered
by 36V/ 2.6Ah Li-ion battery.
[Model BUH550]
Their main benefits are:
Environment-friendly with zero emission and minimum noise pollution
Almost zero-maintenance cost with rechargeable Li-ion battery
5 position rotating rear handle makes vertical and angled trimming
easier and faster.
Well balanced tool design for reduced stress on the arm and hand
holding loop handle
Dimensions: mm (")
BUH550
BUH650
Length (L)
Width (W)
Height (H)
1,070 (42) 1,150 (45-1/4)
220 (8-5/8)
190 (7-1/2)
These products will be available in the following variations:
Battery
Battery
cover
No
Battery
adapter
Charger
Model No.
type
No
quantity
No
BUH550Z
BUH550RD
BUH650Z
No
No
BUH650RD
No
BAP36N
No
BAP36N
BL3626
BL3626
1
2
No
1
DC36RA
BUH550RDP BUH650RDP
BUH550RDE BUH650RDE
BUH550RDEP BUH650RDEP
DC36RA
All models also include the accessories listed below in "Standard equipment".
Specification
Specification
Cell
Model
BUH550
BUH650
Li-ion
Voltage: V
Capacity: Ah
Charging time (approx.): min.
36V
Battery
2.6
22 with DC36RA
320
Max output (W)
Blade length: mm (")
No load speed: min-1=spm*1
Electric brake
550 (21-5/8)
650 (25-1/2)
1,000 - 1,800
Yes
Yes
Soft start
Weight according to
EPTA-Procedure 01/2003*2: kg (lbs)
5.1 (11.2)
5.2 (11.5)
*1: spm= strokes per minute
*2: with battery, shear blade assembly
Standard equipment
Blade cover .................................................. 1
Also see the product variation list above.
Note: The standard equipment for the tool shown above may vary by country.
Optional accessories
Shear blade assembly set
Blade cover
Battery BL3626
Fast charger DC36RA
Battery adaptor BAP36N
Arm band complete set
Chip receiver assembly set
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P 3/ 9
Repair
[3] DISASSEMBLY/ASSEMBLY
[3]-1. Shear Blade Assembly, Gear Complete (cont.)
DISASSEMBLING
Fig. 3
3. Loosen two M5x25 Pan head screws and separate Shear blade assembly from the machine.
Note: The screws remain in the holes of Shear blade assembly to hold Sleeves 5 in the blade,
if the same blade is reassembled to the machine.
M5x25 Pan head screws (2pcs.)
with Sleeves 5 in the holes
Shear blade
assembly
M5x25
Pan head screws (2pcs.)
with Sleeves 5 in the holes
(2) Disassemble Gear complete. (Fig.4)
Fig. 4
4. Remove Gear complete by tapping
the specific part of Gear housing
complete with plastic hammer as
drawn below.
5. Remove 2 pcs. of Ball bearing
608ZZ from the both sides of
Gear complete.
6. Remove 2 pcs. of
Flat washer 8 from
the both sides of
Gear complete.
1R269
Flat washer 8
Ball bearing 608ZZ
Crank side Reverse side
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P 4/ 9
Repair
[3] DISASSEMBLY/ASSEMBLY
[3]-1. Shear Blade Assembly, Gear Complete (cont.)
ASSEMBLING
(1) Assemble Flat washer 8 and Ball bearing 608ZZ to the both sides of Gear complete. And then, mount Gear complete
to the machine. (Fig. 4)
(2) Assemble Shear blade assembly. (Fig. 5)
Fig. 5
1. Slide Guide plate on Shear blade assembly
to align the holes for M5x25 Pan head screws
with Sleeves 5.
2. Pass M5x25 Pan head screws through Sleeves 5
in the holes of Shear blade assembly.
Sleeve 5 (1pc. each) in the holes of
Shear blade assembly
M5x25 Pan head screws (2pcs.)
Shear blade
assembly
Guide plate
3. Align Crank section of Gear complete to
the elliptical hole of Shear blade assembly
as drawn below. And then, secure Shear
blade assembly by tightening M5x25 Pan
head screws.
4. Make sure that the two shear blades can reciprocate
in order by turning the crank of Gear complete with
slotted screwdriver as drawn below.
M5x25
Pan head screws
(2pcs.)
[3]-2. Armature, Switch
DISASSEMBLING
(1) Disassemble Shear blade assembly. (Figs. 2, 3)
(2) Disassemble Gear complete. (Fig.4)
(3) Remove Carbon brushes. And separate Gear housing complete. (Fig. 6)
Fig. 6
1. Remove Holder cap covers
with Slotted screwdriver.
And remove Carbon brushes.
2. Separate Gear housing complete by loosening six 4x25 Tapping screws.
Gear housing complete is separated from Housing set.
Armature comes with Gear housing complete.
4x25 Tapping screws (6pcs.)
Holder cap covers
Gear housing complete
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P 5/ 9
Repair
[3] DISASSEMBLY/ASSEMBLY
[3]-2. Armature, Switch (cont.)
DISASSEMBLING
(3) Remove Armature and Ball bearings. (Fig. 7)
Fig. 7
1. Pull off Armature from
Gear housing complete.
2. Remove Ball bearing 6000ZZ and 607ZZ with 1R269.
Armature
Ball bearing
6000ZZ
1R269
Ball bearing
607ZZ
(4) Replace switches. (Fig. 8)
Fig. 8
1. Remove Switch lever B and
Front grip.
2. Remove Knob by loosening
4x18 Tapping screw.
Switch lever B
4x18 Tapping screw
Knob
Front grip
3. Remove nine 4x18 Tapping screws and Handle R complete.
Main switch and Handle switch can be replaced.
4. Remove eight 4x18 Tapping screws and Housing R complete.
Front handle switch can be replaced.
Handle R
complete
Housing R
complete
Front handle
switch
Main switch
Handle L
complete
Housing L
complete
4x18 Tapping
screws (9 pcs.)
4x18 Tapping
screws (8 pcs.)
Handle switch
Note: Lock lever is removed
together with Handle switch.
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P 6/ 9
Repair
[3] DISASSEMBLY/ASSEMBLY
[3]-2. Armature, Switch (cont.)
ASSEMBLING
(1) Mount the Switches to Handle L complete and Housing L complete by taking the reverse step of Disassembling.
(Fig. 8)
(2) Armature can be assembled by taking the reverse step of Disassembling. (Figs. 7, 6)
(3) Assemble Gear complete. (Fig. 4) And then, mount Shear blade assembly. (Figs. 3, 2)
[3]-3. Lock Lever
ASSEMBLING
Reassemble Lock lever. (Fig. 9)
Fig. 9
Mount Compression spring 6
to Lock lever.
Inserting the pin of Lock lever into the elliptical hole of Slider,
assemble Lock lever so that the rib of Handle L complete comes to
the place between Compression spring 6 and Lock lever as drawn in right.
Compression spring 6
Compression spring 6
Rib of Handle L
Pin of
Lock lever
complete
Handle switch
Lock lever
Elliptical hole of Slider
[3]-4. Yoke Unit
ASSEMBLING
Assemble Yoke unit to Housing L complete. (Fig. 10)
Fig. 10
Fit the protrusion of Housing L complete
into the groove of Yoke unit.
Housing L complete
Notch of Yoke unit
Protrusion of Housing L complete
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P 7/ 9
Circuit diagram
Fig. D-1
Color index of lead wires' sheath
Black
Blue
Orange
White
Red
Yellow
Motor Housing
Handle section
Line filter (if used)
Main switch
Brush holder
Controller
Handle switch
Line filter
(if used)
Dial
Insulated
connector
Terminal
Front handle switch
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P 8/ 9
Wiring diagram
Fig. D-2
Fig. D-3
Line Filter and Brush
holders’ Lead wires
Lead Wires of Brush Holder
• Line filter’s position has to be adjusted that it
distances max. 30 mm from the rib for Yoke unit.
• Two lead wires from Brush holder have to be
coiled around Line filter one turn.
Fix Lead wires with Lead wire holders
on Yoke unit side.
Brush holder
max.
30 mm
Lead wire (black)
of Brush holder
Lead wire
holders
Lead wire (red) of
Brush holder
Line filter
(if used)
Yoke unit side
Line filter (if used)
Rib for Yoke unit
Fig. D-4
Motor Housing
Lead wire holder
Fix Lead wires in these Lead wire holders.
Line Filter (if used)
Line Filter (if used)
Put Line filter between
Lead wire holder and
Controller.
• Lead wires (black, red) to Insulated
connector have to be passed through
Line filter.
• Slack portion of lead wires have
to be stored in this place.
Controller
Brush holder
Fix Lead wires in
these Lead wire holders.
Front grip switch
Put Insulated connectors
in this place.
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P 9/ 9
Wiring diagram
Fig. D-5
Handle Section before assembling Handle Switch
Before assembling Handle switch, fix Lead wires (blue, orange) to Main switch
with Lead wire holders as drawn below.
Main switch
Handle set (L)
Lead wires (blue, orange)
Place for
Handle switch
Fig. D-6
Handle Section after assembling Handle Switch
Handle set (L)
Handle switch
Fix Lead wires of Handle switch
with Lead wire holder
Lead wire holder
Ribs
Terminal
Pass Lead wire from Controller
between Ribs.
Dial
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