Makita BHP456(LXPHOL*1) BDF452 NP User Manual To The 6da62906 D876 40e0 A23e Ff8a74ef895c
User Manual: Makita BHP456(LXPHOL*1) to the manual
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T
ECHNICAL INFORMATION
Model No.
Description
PRODUCT
P 1/10
BHP456 (LXPH01*1)
L
Cordless Hammer Driver Drill
*1 Model number for North and Central American countries
CONCEPT AND MAIN APPLICATIONS
Model BHP456 (LXPH01) is the improved version of model BHP452, featuring;
More compact and lightweight design than BHP452
More comfortable operation will be provided by re-designed ergonomic grip
Compatible with the 18V Li-ion batteries equipped with the Battery protection
circuit designed to protect the battery from damages due to overdischarge,
high temperature or overload current
This new product is available in the following variations.
Battery
Battery Charger
Model No.
Type Quantity cover
BHP456RHE
(LXPH01C)
BHP456RHEW
(LXPH01CW)
BHP456RFE
(LXPH01)
BHP456RFEW
(LXPH01W)
BHP456Z
(LXPH01Z)
BHP456ZW
(LXPH01ZW)
BHP456SHE
BHP456SHEW
BL1815
2
1
DC18RA
H
W
(with Battery BL1815)
Plastic
carrying case
Yes
BL1830
2
1
DC18RA
Yes
No
No
No
No
No
BL1815
2
1
DC18SD
Yes
Housing
color
Makita blue
white
Makita blue
Dimensions: mm (")
Length (L) 206 (8-1/8)
Width (W)
79 (3-1/8)
234 (9-1/4)*2
Height (H)
251 (9-7/8)*3
*2: with Battery BL1815
*3: with Battery BL1830
white
Makita blue
white
Makita blue
white
Model number in parentheses is for North and Central American countries.
All models also include the accessories listed below in "Standard equipment".
Specification
Voltage: V
Capacity: Ah
Battery
Cell
Charging time (approx.): min.
Max output: W
No load speed: min-1=rpm
Low/ High
Impacts per minute: min-1= rpm Low/ High
Capacity of drill chuck: mm (")
Steel
Capacity: mm (")
Wood
Masonry
Torque setting
Clutch torque setting: N.m (in.lbs)
Lock torque: N.m (in.lbs)
Soft joint
Max. fastening
torque: N.m (in.lbs) Hard joint
Electric brake
Mechanical speed control
Variable speed control
Reversing switch
LED job light
Weight according to
EPTA-Procedure 01/2003*4: kg (lbs)
18
1.3/ 3.0
Li-ion
15/ 22 with DC18RA
300
0 - 400/ 0 - 1,500
0 - 6,000/ 0 - 22,500
1.5 (1/16) - 13 (1/2)
13 (1/2)
38 (1-1/2)
13 (1/2)
16 stage + drill mode
1.0 - 5.0 (9 - 44)
54 (480)
36 (320)
50 (440)
Yes
Yes (2 speed)
Yes
Yes
Yes
1.6 (3.4)*2/ 1.8 (4.0)*3
*2: with Battery BL1815, *3: with Battery BL1830
*4 with the lightest battery available for the model
Standard equipment
+ - bit 2-45 ........ 1
Belt clip ............ 1
Note:
The standard equipment for the tool
shown above may vary by country.
Optional
accessories
Fast charger DC18RA,
Charger DC18SD,
Charger DC24SC (for all countries
except North American countries),
Automotive Charger DC18SE,
Battery BL1815,
Battery BL1830,
Drill bits for wood,
Drill bits for steel,
Drill bits for masonry,
Belt clip,
Bit holder
P 2/10
Repair
CAUTION: Repair the machine in accordance with “Instruction manual” or “Safety instructions”.
[1] NECESSARY REPAIRING TOOLS
Code No.
Description
Hex wrench 10
1R359
Drill chuck removing tool
Use for
Removing / Assembling drill chuck
Removing Drill chuck
(Use this tool if Drill chuck cannot be removed by the method
described in “ [3]-1. Drill chuck disassembling”.)
[2] LUBRICATIONS
Lubrications are not required as Gear section is replaced as a factory-lubricated gear unit.
[3] DISASSEMBLY/ASSEMBLY
[3]-1. Drill chuck
DISASSEMBLING
(1) Set Machine and Repairing tools. (Figs. 1, 2, 3)
Fig. 1
Fig. 2
Open Keyless drill chuck fully and
remove M6 x 22 Flat head screw
by turning it clockwise.
Note:
Use Impact driver to unscrew
M6 x 22 Flat head screw if it
could not be removed manually.
Set Speed change lever
to Low speed mode
indicated by "1".
Speed change lever
Attach battery.
Change ring
Set Change ring
to Drill mode.
F/R Change lever
Set F/R Change lever to
Reverse (counterclockwise)
rotation.
M6 x 22 Flat head screw
Fig. 3
Setting of Hex wrench 10
CORRECT
Grip the long end.
Hex wrench 10
WRONG
Grip flat surfaces
of Hex wrench 10.
Vise
[A]
Vise
Hex wrench 10,
viewed from side [A]
Do not grip
the short end.
Do not grip edges of
Hex wrench.
P 3/10
Repair
[3] DISASSEMBLY/ASSEMBLY
[3]-1. Drill chuck (cont.)
DISASSEMBLING
(2) Remove Drill chuck. (Fig. 4)
Fig. 4
*Note: The rotational direction is viewed from operator.
1. Grip Hex wrench 10 with Drill chuck and hold Machine.
Important:
Be sure to hold the grip of Machine tightly with sufficient
counterclockwise* force against clockwise* recoil force
of Machine.
2. Pull Switch trigger slowly.
3. Spindle rotates counterclockwise* and consequently
Drill chuck is removed from spindle.
Clockwise* recoil force
of Machine
Counterclockwise* force
to be applied by operator
Hex wrench 10
ASSEMBLING
(1) Set the machine. (Figs. 5, 6)
(2) Set Hex wrench 10 to vise as described in Fig. 3.
Fig. 5
Turn Drill chuck clockwise until it sits on
the end of the threaded portion of Spindle.
Drill chuck
Fig. 6
Set Speed change lever
to Low speed mode
indicated by "1".
Speed change lever
Attach battery.
Change ring
Set Change ring
to Drill mode.
end of the threaded
portion of Spindle
F/R Change lever
Set F/R Change lever to
Forward (clockwise) rotation.
P 4/10
Repair
[3] DISASSEMBLY/ASSEMBLY
[3]-1. Drill chuck (cont.)
ASSEMBLING
(3) Tighten Drill chuck. (Fig. 7)
Fig. 7
*Note: The rotational direction is viewed from operator
1. Grip Hex wrench 10 with Drill chuck and hold Machine.
Important:
Be sure to hold the grip of Machine tightly with sufficient
clockwise* force against counterclockwise* recoil force
of Machine.
2. Pull Switch trigger slowly to turn Spindle clockwise*.
3. Drill chuck is tightened and consequently Spindle is locked.
4. Open Keyless drill chuck fully,
then drive M6x22 Flat head screw
by turning counterclockwise*
with Impact driver.
Counterclockwise
recoil force
of Machine
Clockwise* force
to be applied by
operator
M6x22 Flat head screw
Hex wrench 10
Note:
Apply adhesive (ThreeBond 1321B/
1342 or Locktite 242 to threaded
portion) when re-using removed
M6x22 Flat head screw.
[3]-2. Gear assembly and Motor section
DISASSEMBLING
(1) First, remove Drill chuck. (Figs. 1, 2, 3, 4)
(2) Then remove Rear cover and disconnect Carbon brushes from Armature’s Commutator
before dismantling Housing set. (Fig. 8)
Fig. 8
1. Unscrew two 3x16 Tapping screws,
then remove Rear cover.
2. Pull Carbon brushes in the direction of the arrow
after shifting the end of each Torsion spring from
the top of Carbon brushes.
Carbon brushes
Rear cover
Shift the end of each
Torsion spring to the
concave portion of
Brush holder.
P 5/10
Repair
[3] DISASSEMBLY/ASSEMBLY
[3]-2. Gear assembly and Motor section
DISASSEMBLING
(3) Disassemble Gear assembly and Motor section. (Fig. 9)
Fig. 9
3. Unscrew nine 3x16 Tapping screws,
then remove Housing (R).
4. Remove the assembly of
Motor section and Gear section.
Housing (R)
5. Remove Speed change lever,
then separate Gear assembly
from Motor section.
Speed change lever
Gear assembly
Motor section
6. Remove Armature along with Yoke unit
from Brush holder complete.
Yoke unit
7. Pull Armature from Yoke unit.
Yoke unit
Armature
Armature
Brush holder
complete
P 6/10
Repair
[3] DISASSEMBLY/ASSEMBLY
[3]-2. Gear assembly and Motor section (cont.)
ASSEMBLING
(3) Put Leaf spring in place on the inside of Housing (L). (Fig. 10)
Fig. 10
Be sure to put Leaf spring
in place as drawn on the right.
Housing (L)
Leaf spring
(4) Insert Armature into Yoke unit carefully and connect Motor section to Gear assembly. (Fig. 11)
Fig. 11
[Correct]
[Wrong]
[Correct]
[Wrong]
notch
Note: Be careful when inserting
Armature as fingers can
be pinched and injured.
Notch must be located on Armature
drive-end as above.
Be sure to hold Commutator portion as your fingers
can be pinched by Armature fun due to strong magnetic
force toward Yoke unit.
3. Mount Speed change lever to Gear assembly. (Refer to Fig. 14)
2. Connect Motor section to
Gear assembly by engaging
Armature gear with Planetary
gears in Gear assembly.
1. Insert Commutator end
into Brush holder complete.
P 7/10
Repair
[3] DISASSEMBLY/ASSEMBLY
[3]-2. Gear assembly and Motor section (cont.)
ASSEMBLING
(5) Engage the notch of Yoke unit with the projection inside of Housing (L) when mounting the assembly of Gear section
and Motor section to Housing (L). (Fig. 12)
Fig. 12
Engage the notch of Yoke unit with the projection inside of Housing (L).
Yoke unit
projection for fitting
to the notch
Housing (L)
notch
(6) Adjust the assembly of Motor section and the Gear section to the correct position in Housing (L)
so as to assemble Housing (R) to Housing (L) smoothly and exactly. (Fig. 13)
Fig. 13
This rib must be fit in
the groove of Change ring.
Yoke unit must be mounted
within these ribs.
90 degrees
edge of
Housing (L)
flat portion of
Brush holder
complete
Brush holder
complete
Housing (L)
The flat portion of Brush holder must be at
exactly 90 degrees to the edge of Housing (L).
P 8/10
Repair
[3] DISASSEMBLY/ASSEMBLY
[3]-3. Speed change lever
ASSEMBLING
Assemble Speed change lever to Gear assembly. (Fig. 14)
Fig. 14
1. Be sure to put two
Compression springs
on the back of
Speed change lever.
2. Mount Speed change lever to
Gear assembly.
Note: Be sure to fit the hook of
Gear assembly in Speed change
lever.
3. Set Speed change lever to either
Low speed side or High speed side.
Low speed side
Compression springs
High
speed side
hook
Gear assembly
[3]-4. F/R Change lever
Mount F/R Change lever on Switch before assembling Housing (R) to Housing (L). (Fig. 15)
Fig. 15
fork portion
Engage the fork portion
with the projection of Switch.
projection
F/R Change lever
P 9/10
Circuit
diagram
Fig. D-1
Color index of lead wires' sheath
Black
Red
White
Yellow
LED
job light
Brush holder
complete
FET (Field effect transistor)
Line filter
Line filter is not used
for some countries.
Switch
Connector
Terminal
P 10/10
Wiring
diagram
Fig. D-2
Lead wire wiring of Brush holder complete
2. Assemble Receptacles to
Lead wires.
1. Pass Lead wires of Brush holder complete
through Line filter if it is used.
Line filter
Line filter
Line filter is not used
for some countries.
Receptacle
Fig. D-3
Wiring in Grip portion
Brush holder
complete
LED job light
Line filter
Place Line filter here
if it is used.
LED Lead wires must be
tight in this area indicated
by the dotted line.
Switch
Pass Lead wires to Switch
in this area.
Do not pass between
the boss and Housing wall.
Fix Lead wires in these
Lead wire holders.
Terminal
boss
Connector
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