Makita Cordless Drill BDF458 LXFD031 User Manual

ECHNICAL INFORMATION  
PRODUCT  
T
P 1/ 12  
Model No.  
Description  
BDF458 (LXFD03*1)  
18V Cordless Driver Drill  
L
*1 Model number for North and Central American countries  
CONCEPT AND MAIN APPLICATIONS  
Model BDF458 (LXFD03*1) is a successor model of BDF454, featuring:  
• Extremely compact tool size with an overall length of 225mm (8-7/8") -  
the shortest in its class  
• High power and productivity achieved with new DC motor (FD31-30)  
Enhanced dust and drip-proof performance to ensure reliable operation  
even under bad weather.  
H
Equipped with Battery fuel gauge*2 for increased maneuverability.  
*2 Not available for model LXFD03.  
Note: This product is not compatible with 18V-1.3Ah battery BL1815.  
W
This product is available in the following variations.  
Plastic  
Dimensions: mm (")  
Battery  
Battery  
cover  
Housing  
Systainer  
case  
Charger  
carrying  
Model No.  
color  
Type Quantity  
case  
Length (L) 225 (8-7/8)  
BDF458Z  
BDF458RFE BL1830  
BDF458RFE3 BL1830  
BDF458ZX  
BDF458RFX BL1830  
No  
No  
2
3
No  
2
No  
No  
1
2
No  
1
No  
No  
DC18RC  
DC18RC  
No  
No  
Yes  
Yes  
No  
No  
No  
No  
No  
No  
Yes  
Yes  
No  
Width (W)  
79 (3-1/8)  
Height (H) 259 (10-1/4)  
Makita  
blue  
No  
DC18RC  
LXFD03Z*1  
No  
No  
LXFD03*1  
BL1830  
2
1
DC18RA  
Yes  
No  
Specification  
Voltage: V  
18  
Capacity: Ah  
Battery Energy capacity: Wh  
3.0  
54  
Cell  
Li-ion  
Charging time (approx.): min.  
22 with DC18RC (DC18RA*3)  
High  
Low  
0 - 2,000  
0 - 400  
No load speed:  
minˉ¹=rpm  
Capacity of drill chuck: mm (")  
1.5 (1/16) - 13 (1/2)  
13 (1/2)  
Steel  
Capacity: mm (")  
Wood  
Torque setting  
76 (3)  
21 stage + drill mode  
Clutch torque setting: N.m (in.lbs)  
Max lock torque: N.m (in.lbs)  
1.0 - 10.0 (9 - 89)  
84 (750)  
58 (520)  
91 (810)  
Yes  
Soft joint  
Hard joint  
Max fastening  
torque: N.m (in.lbs)  
Electric brake  
Mechanical speed control  
Variable speed control  
Yes (2 speeds)  
Yes  
Reversing switch  
LED job light  
Yes  
Yes  
Weight according to  
EPTA-Procedure 01/2003*4: kg (lbs)  
2.3 (5.0)  
*3 for North and Central American countries  
*4 with Battery BL1830  
Standard equipment  
+ – bit 2-45 ................ 2  
Bit holder .................. 1  
Belt clip ..................... 1  
Grip assembly ............ 1  
Note: The standard equipment for the tool shown above may vary by country.  
Optional accessories  
Fast charger DC18RA  
Charger DC18SD  
Battery protectors  
Drill bits for wood  
(for US, Canada, Guam, Panama, Mexico and Colombia) Charger DC24SC  
Fast charger DC18RC  
Automotive charger DC18SE Drill bits for steel  
Battery BL1830  
(for all countries except the countries above)  
Driver bits  
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P 2/ 12  
Repair  
CAUTION: Repair the machine in accordance with “Instruction manual” or “Safety instructions”.  
[1] NECESSARY REPAIRING TOOLS  
Code No.  
Description  
Use for  
(Use this tool if Drill chuck cannot be removed by the method of  
described in “[3]-1 Drill chuck disassembling”.)  
removing/ mounting Drill chuck  
1R359 Drill chuck removing tool  
Hex wrench 10  
[2] LUBRICATION  
It is not required to lubricate the gear section because the portion is replaced as a factory-assembled gear unit.  
[3] DISASSEMBLY/ASSEMBLY  
[3] -1. Drill Chuck  
DISASSEMBLING  
(1) Remove M6x22 Flat head screw as drawn in Fig. 1.  
(2) Preset the machine as drawn in Fig. 2. And set Hex wrench 10 to Vise as drawn in Fig. 3.  
(3) Gripping Hex wrench 10 with Drill chuck firmly, remove Drill chuck as drawn in Fig. 4.  
Fig. 1  
Fig. 2  
Set Change ring  
to Drill mode.  
Change ring  
Speed change lever  
Set Speed change lever  
to Low speed mode  
designated with 1.  
Open Drill chuck fully and remove M6x22  
Flat head screw by turning it clockwise.  
Note: Use Impact driver to unscrew  
M6x22 Flat head screw if it  
could not be removed  
manually.  
F/R change lever  
Set F/R Change lever  
to Reverse (counter-  
clockwise) rotation.  
M6x22 Flat head screw (Left handed thread)  
Attach Battery.  
Fig. 3  
CORRECT  
WRONG  
Hold the long end.  
Hex wrench 10  
Grip flat surfaces  
of Hex wrench 10.  
Do not hold edges  
of Hex wrench 10.  
Do not hold  
the short end.  
Vise  
Setting of  
Hex wrench  
10  
[A]  
[A]  
Hex wrench 10,  
Hex wrench 10,  
viewed from side [A]  
viewed from side [A]  
Vise  
Fig. 4  
Counterclockwise  
Counterclockwise* force to be applied by operator  
Clockwise  
*Note: The rotational direction is viewed from operator.  
1. Hold Hex wrench 10 with Drill chuck and grip Machine.  
Important:  
Grip Machine tightly with both hands to provide  
the sufficient counterclockwise* force against clockwise*  
recoil force of Machine.  
Clockwise* recoil force  
of Machine  
2. Pull Switch trigger slowly.  
3. Spindle rotates counterclockwise* and consequently  
Drill chuck is removed from spindle.  
Hex wrench 10  
Vise  
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P 3/ 12  
Repair  
[3] DISASSEMBLY/ASSEMBLY  
[3] -1. Drill Chuck (cont.)  
ASSEMBLING  
(1) Set the machine. (Fig. 5 and 6)  
(2) Set Hex wrench 10 to vise and described in Fig. 3.  
(3) Set Drill chuck in place. (Fig. 7)  
Fig. 6  
Fig. 5  
Turn Drill chuck clockwise by hand until  
it sits on the end of the threaded portion  
of Spindle.  
Set Speed change lever to Low speed  
mode designated with 1.  
Set F/R Change lever  
to Forward (clockwise)  
rotation.  
Speed change lever  
Set Change ring to Drill mode.  
Change ring  
Drill chuck  
F/R change lever  
Attach Battery.  
End of the threaded  
portion of Spindle  
Fig. 7  
*Note: The rotational direction is viewed from operator.  
1. Hold Hex wrench 10 with Drill chuck and grip Machine.  
Important: Grip Machine hard with both hands to provide  
sufficient clockwise* force against  
counterclockwise* recoil force of Machine.  
2. Pull Switch trigger slowly to turn Spindle clockwise*.  
Note: Pull the Trigger so that Spindle’s rotating reaches full  
speed in one second.  
Clockwise* force to be  
applied by operator  
3. Drill chuck is tightened and consequently Spindle is locked.  
4. Open Drill chuck fully, and tighten Drill chuck  
with M6x22 Flat head screw by turning it  
counterclockwise with Impact driver.  
Counterclockwise  
Counterclockwise recoil  
force of Machine  
Clockwise  
Hex wrench 10  
M6x22 Flat head screw  
(Left handed thread)  
Note: Apply adhesive (ThreeBond 1321B/1342 or Loctite 242)  
to threaded portion when re-using the removed M6x22  
Flat head screw.  
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P 4/ 12  
Repair  
[3] DISASSEMBLY/ASSEMBLY  
[3] -2. Gear Assembly, Motor Section  
DISASSEMBLING  
After removing Drill chuck (Re: Figs. 1, 2, 3 and 4), disassemble Motor section and Gear assembly. (Figs. 8 and 9)  
Fig. 8  
1. Remove two 3x16 Tapping screws and Rear cover.  
And remove four 4x18 Tapping screws.  
2. Remove Housing R, unscrewing  
seven 3x16 Tapping screws.  
3x16 Tapping screw (7 pcs.)  
Rear cover  
3x16 Tapping  
screw (2 pcs.)  
4x18 Tapping  
screw (4 pcs.)  
3. Pull out Heat sink section, and remove Gear assembly  
together with Motor section and Speed change lever.  
4. Remove Speed change lever and Motor section  
from Gear assembly.  
Motor section  
Speed change lever  
Motor section  
Speed change  
lever assembly  
Gear assembly  
Heat sink  
section  
6. Lifting up Motor side of Speed change lever assembly,  
pull it toward the direction designated with arrow.  
5. Push Speed change lever assembly toward Motor side  
until it stops to have space between the pin on the lever  
of Gear assembly and rear Compression spring 4.  
Motor side  
Drill chuck side  
Drill chuck side  
Motor side  
rear  
Compression  
spring 4  
Pin on  
the lever of  
Gear assembly  
Space between rear Compression spring 4  
and the pin on the lever of Gear assembly.  
front Compression spring 4 compressed  
by the lever of Gear assembly  
Fig. 9  
5. Shift the tail of Torsion spring from top of Carbon 6. From Armature, pull off Brush holder complete and Yoke unit.  
brush to the Notch of Brush holder. Carbon brush  
gets free from the pressure of Torsion spring.  
Yoke unit  
Armature  
Carbon brush  
Torsion spring  
Brush holder complete  
Note: Pay attention not to pinch your finger between Yoke unit and Armature when removing.  
Do not scratch the copper wires of Armature. Yoke unit draws Armature by its considerable  
strong magnet force.  
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P 5/ 12  
Repair  
[3] DISASSEMBLY/ASSEMBLY  
[3] -2. Gear Assembly, Motor Section (cont.)  
ASSEMBLING  
(1) Assemble Motor section taking the reverse step of Disassembling. Refer to Fig. 9.  
Insert Armature into Yoke unit as drawn in Fig. 10.  
Fig. 10  
[Correct]  
[Wrong]  
Yoke unit has to be assembled to Armature so that its notch is located  
on the drive-end side.  
Note in Assembling:  
1. Do not pinch your finger between Armature fan and Yoke unit.  
2. Insert Armature into Yoke unit carefully so that its wire does not  
damage.  
Notch  
(2) Assemble Brush holder complete to Commutator end of Armature. Refer to the drawings in Fig. 9.  
Carbon brushes in Brush holder complete have to be still left from Armature’s commutator in this step.  
(3) Fasten Heat sink with Pan head screw to Yoke unit. And insert the Motor section into Gear assembly, while engaging  
Armature’s gear with the Planet gears in Gear assembly. Refer to the center right drawing in Fig. 8.  
(4) Before mounting Speed change lever assembly, make sure that Lead springs and Compression springs are assembled  
to Speed change lever assembly. See Fig. 11.  
Fig. 11  
Compression  
spring 4 ( 2 pcs.)  
Leaf spring ( 2 pcs.)  
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P 6/ 12  
Repair  
[3] DISASSEMBLY/ASSEMBLY  
[3] -2. Gear Assembly, Motor Section  
ASSEMBLING  
(5) Assemble Speed change lever assembly as drawn in Fig. 12.  
Fig. 12  
front Compression spring 4  
Pin on the lever  
of Gear assembly  
1. Apply the front Compression  
spring 4 of Speed change lever  
assembly to the flat side  
(without pin) of Gear assembly  
for Speed change.  
Drill chuck  
side  
Motor side  
2. Push Speed change lever assembly  
toward Motor side until it stops to  
have space between pin of Gear  
assembly and rear Compression  
spring 4.  
rear Compression  
spring 4  
Drill chuck  
side  
Motor side  
Space between rear Compression spring 4  
and pin on the lever of Gear assembly  
front Compression spring 4  
compressed by the lever of  
Gear assembly.  
3. Fit the pin of Gear assembly to  
Spring’s coil with slowly  
returning Speed change lever  
assembly toward Drill chuck side.  
Drill chuck  
side  
Motor side  
4. Slide Speed change lever  
assembly to the either position  
2(High speed mode) or  
Pin on the lever of Gear assembly fit to  
the coil of rear Compression spring 4  
1 (Low speed mode).  
(6) Assemble Motor section and Gear assembly as illustrated in Figs. 13 and 14.  
Fig. 13  
If the Motor section does not fit to  
Housing L, make sure that Yoke unit  
is correctly amounted to Armature.  
While aligning the notch of Yoke unit with projection of  
Housing L, mount Yoke unit together with Gear ass’y  
and Motor section to Housing L.  
See Fig. 10.  
Housing Set (L)  
protrusion  
Brush holder complete  
Gear ass’y  
notch  
Yoke unit  
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P 7/ 12  
Repair  
[3] DISASSEMBLY/ASSEMBLY  
[3] -2. Gear Assembly, Motor Section (cont.)  
ASSEMBLING  
(7) Make sure Brush holder complete and Yoke unit are precisely mounted to Housing R. See upper drawing in Fig. 14.  
And then, mount Housing R to Housing L as drawn in Fig. 14.  
Fig. 14  
The flat portion of Brush holder complete must be  
rib of Housing L  
at 90 degrees to the edge surface of Housing L.  
Yoke unit  
flat portion of Brush holder complete  
Attach the edge of Yoke unit  
to the rib of Housing L.  
edge surface of  
Housing L  
90 degrees  
Housing L  
Brush holder  
complete  
Brush holder complete  
Gap arises between Housing R and L when Gear assembly is fastened to Housing R and L.  
Holding Housing R and L with Water pump pliers at the portion by their screw holes (designated with  
black triangles), fasten Gear case assembly to Housing set with 4x18 Tapping screws.  
Gap  
4x18 Tapping screw  
Gear case assembly  
Housing set (L)  
Housing set (R)  
Gap  
Gear case assembly  
Housing set (L)  
Housing set (R)  
4x18 Tapping screw  
Note in Assembling: Be careful not to give any damage on Housing set when holding with Water pump pliers.  
(8) Fasten Housing R to Housing L with seven 3x16 Tapping screws.  
Refer to the upper right drawing in Fig. 8.  
(9) Contact Carbon brush with Armature’s commutator, putting Torsion spring on the Carbon brush.  
Refer to the left drawing in Fig. 9.  
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P 8/ 12  
Repair  
[3] DISASSEMBLY/ASSEMBLY  
[3] -3. F/R Change Lever  
Fig. 15  
ASSEMBLING  
Prong  
Put the projection on Switch between the prongs of F/R change lever. (Fig. 15)  
Projection  
[3] -4. Switch plate complete  
Fig. 16  
ASSEMBLING  
Housing R side  
Insert Switch plate complete to Housing L,  
facing its symbol of Fuel gauge to  
Housing R side.  
Set Switch plate complete  
in place. (Fig. 16)  
Switch plate  
complete  
Note: Switch plate complete with  
faced in the wrong direction  
can not be inserted to  
Housing L  
Housing L.  
Symbol of  
Fuel gauge  
[3] -5. Parts related to Drip-proof structure  
ASSEMBLING  
Assemble Sponge B to Housing L. And assemble Seal and Sponge A to Housing L as drawn in Fig. 17.  
Fig. 17  
Assemble Sponge B to Housing R  
to the portion designated with  
gray color.  
Note: To assure Drop-proof, use new Sponge A and Sponge B.  
Assemble Sponge A to Seal.  
Assemble the Seal to  
Note: Edge of the assembled Sponge A  
has to be flat to the surface of Seal.  
Housing L as drawn below.  
Sponge B  
Housing R  
Housing L  
Sponge A  
Seal  
[3]-6. Cushion  
Fig. 18R  
Fig. 18F  
ASSEMBLING  
[Correct]  
[Wrong]  
Be sure to install Cushion into  
Housing set (L) as drawn in Fig. 18R.  
Note: Fig. 18F is the wrong installation.  
Pay attention to the direction.  
Housing set (L)  
Cushion  
Housing set (L)  
Cushion  
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P 9/ 12  
Circuit diagram  
Fig. D-1  
Circuit with Battery fuel gauge  
available for the countries  
other than North American countries  
Color index of lead wires' sheath  
Yellow  
Blue  
Black  
Red  
LED  
Brush holder  
complete  
FET  
Red Lead wire is used  
for some countries  
instead of white.  
Switch  
Light  
circuit  
Terminal  
Wiring diagram  
Fig. D-2  
Fig. D-3  
Wiring of LED Lead Wires  
(before setting Switch)  
Wiring to Terminal  
The Flag connector has to be connected so that  
its wire connecting portion is located over  
the mark of + - poles.  
Fix LED lead wires with Lead wire holders  
drawn below.  
Wire connecting  
portion  
LED  
Lead wire  
holder  
Their lead wires must  
be tight between Lead  
wire holders so that  
Switch can be set in  
place.  
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P 10/ 12  
Wiring diagram  
Fig. D-4  
Wiring to Switch  
Connect the Lead wires to Switch, tilting their  
Fix the FET Lead wires as follows:  
yellow with Lead wire holder nearest to Switch trigger  
blue with the center Lead wire holder  
black with Lead wire holder farthest from Switch trigger  
Connectors to 45 degrees as drawn below.  
45 degrees  
FET  
yellow  
black  
blue  
Lead wire  
holder  
FET  
Switch trigger  
Fig. D-5  
with Battery fuel gauge available for the countries  
other than North American countries  
Wiring in Housing L  
Brush holder complete  
Put Pigtail of Carbon brush  
in the area marked with gray  
color to avoid pinching with  
Rear cover.  
9 mm  
9 mm  
Put Line filter in  
this place.  
Line filter  
Pig tail of Carbon brush  
Put the bundled Lead wires  
into the groove of Sponge.  
Seal  
Pay attention, not to put  
Lead wires on the Seal.  
Sponge  
Connector  
Lead wires connected to  
Connector have to be fixed  
with Lead wire holders.  
Light circuit  
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P 11/ 12  
Circuit diagram  
Fig. D-1A  
Circuit without Battery fuel gauge  
available exclusively for North American countries  
Color index of lead wires' sheath  
Yellow  
Blue  
White  
Black  
Red  
LED  
Brush holder  
complete  
FET  
Switch  
Terminal  
Wiring diagram  
Fig. D-2A  
Fig. D-3A  
Wiring of LED Lead Wires  
(before setting Switch)  
Wiring to Terminal  
Fix the LED lead wires  
with Lead wire holders  
drawn below.  
The Flag connector has to be connected so  
that its wire connecting portion is located  
over the mark of + - poles.  
Wire connecting  
portion  
LED  
Lead wire  
holder  
Their lead wires must be  
tight between Lead wire  
holders so that Switch  
can be set in place.  
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P 12/ 12  
Wiring diagram  
Fig. D-4A  
Wiring to Switch  
Fix FET Lead wires as follows:  
Connect Lead wires to Switch, tilting their  
yellow with Lead wire holder nearest to Switch trigger  
blue with the center Lead wire holder  
black with Lead wire holder farthest from Switch trigger  
Connectors to 45 degrees as dran below.  
45 degrees  
FET  
yellow  
black  
blue  
Lead wire  
holder  
FET  
Switch trigger  
Fig. D-5A  
without Battery fuel gauge  
available exclusively for North American countries  
Wiring in Housing set (L)  
Brush holder complete  
Put Pigtail of Carbon brush  
in the area marked with gray  
color to avoid pinching with  
Rear cover.  
9 mm  
9 mm  
Pigtail of Carbon brush  
Put the bundled Lead wires  
into the groove of Sponge.  
Seal  
Pay attention not to put  
Lead wires on the Seal.  
Lead wires connected to  
Connector have to be fixed  
with Lead wire holders.  
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