Makita BDF458 User Manual

ECHNICAL INFORMATION

Model No.

Description

BDF458 (LXFD03*1)

18V Cordless Driver Drill

*1 Model number for North and Central American countries

CONCEPT AND MAIN APPLICATIONS

Model BDF458 (LXFD03

• 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.

• 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.

This product is available in the following variations.

Model No.

BDF458RFE DC18RC BDF458RFE3 DC18RC Ye s

BDF458RFX DC18RC No2BL1830 1

LXFD03

*1 DC18RA Yes2BL1830 1

BL1830 1

*1) is a successor model of BDF454, featuring:

Type

Battery

Quantity

Battery

cover

Charger

No NoNoNo NoBDF458Z

No NoNoNo NoBDF458ZX Yes

No NoNoNo NoLXFD03Z

Plastic

carrying

case

Yes2

Systainer

case

No No No3BL1830 2

Yes

No No

Housing

color

Makita

blue

PRODUCT

Dimensions: mm (")

Length (L)

Width (W)

Height (H)

225 (8-7/8)

79 (3-1/8)

259 (10-1/4)

P 1/ 12

Specification

Voltage: V Capacity: Ah

Battery

No load speed: min

Capacity of drill chuck: mm (")

Capacity: mm (")

Torque setting

Clutch torque setting: N.m (in.lbs) Max lock torque: N.m (in.lbs)

Max fastening torque: N.m (in.lbs)

Electric brake Mechanical speed control Variable speed control Reversing switch LED job light

Weight according to EPTA-Procedure 01/2003*4: kg (lbs)

*3 for North and Central American countries *4 with Battery BL1830

Energy capacity: Wh Cell Li-ion

Charging time (approx.): min.

High

ˉ¹=rpm

Low

Steel

Wood

Soft joint

Hard joint

22 with DC18RC (DC18RA*3)

1.5 (1/16) - 13 (1/2)

21 stage + drill mode

1.0 - 10.0 (9 - 89)

3.0 54

0 - 2,000

0 - 400

13 (1/2)

76 (3)

84 (750)

58 (520) 91 (810)

Yes

Yes (2 speeds)

Yes Yes Yes

2.3 (5.0)

Standard equipment

+ – bit 2-45 ................ 2

Bit holder .................. 1

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

Belt clip ..................... 1

Grip assembly ............ 1

Optional accessories

Fast charger DC18RA (for US, Canada, Guam, Panama, Mexico and Colombia) Fast charger DC18RC (for all countries except the countries above)

Charger DC18SD Charger DC24SC Automotive charger DC18SE Battery BL1830

Battery protectors Drill bits for wood Drill bits for steel Driver bits

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

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

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.

M6x22 Flat head screw (Left handed thread)

(Use this tool if Drill chuck cannot be removed by the method of described in “[3]-1 Drill chuck disassembling”.)

removing/ mounting Drill chuck

Fig. 2

Set Change ring to Drill mode. Change ring

Speed change lever

Set Speed change lever to Low speed mode designated with 1.

F/R change lever

Set F/R Change lever to Reverse (counter- clockwise) rotation.

Attach Battery.

Fig. 3

Setting of Hex wrench 10

Fig. 4

Clockwise

Clockwise* recoil force of Machine

Hex wrench 10

Hold the long end.

Hex wrench 10

Vise

CORRECT WRONG

Vise

Grip flat surfaces of Hex wrench 10.

Vise

[A]

Hex wrench 10, viewed from side [A]

Counterclockwise

Counterclockwise* force to be applied by operator

*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.

2. Pull Switch trigger slowly.

3. Spindle rotates counterclockwise* and consequently Drill chuck is removed from spindle.

Do not hold the short end.

[A]

Hex wrench 10, viewed from side [A]

Do not hold edges of Hex wrench 10.

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. 5

Fig. 6

P 3/ 12

Turn Drill chuck clockwise by hand until it sits on the end of the threaded portion of Spindle.

Drill chuck

End of the threaded portion of Spindle

Fig. 7

Clockwise* force to be applied by operator

Set Speed change lever to Low speed mode designated with 1.

Speed change lever

Set Change ring to Drill mode.

Change ring

*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.

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.

Set F/R Change lever to Forward (clockwise) rotation.

F/R change lever

Attach Battery.

Clockwise

Counterclockwise

Counterclockwise recoil force of Machine

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.

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.

Rear cover

3x16 Tapping screw (2 pcs.)

4x18 Tapping screw (4 pcs.)

2. Remove Housing R, unscrewing seven 3x16 Tapping screws.

3x16 Tapping screw (7 pcs.)

3. Pull out Heat sink section, and remove Gear assembly together with Motor section and Speed change lever.

Speed change leverMotor section

Gear assembly

Heat sink section

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.

Drill chuck sideMotor side Drill chuck side

rear Compression spring 4

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

4. Remove Speed change lever and Motor section from Gear assembly.

Motor section

6. Lifting up Motor side of Speed change lever assembly, pull it toward the direction designated with arrow.

Motor side

Pin on the lever of Gear assembly

Speed change lever assembly

Fig. 9

5. Shift the tail of Torsion spring from top of Carbon brush to the Notch of Brush holder. Carbon brush gets free from the pressure of Torsion spring.

Carbon brush

Torsion spring

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.

6. From Armature, pull off Brush holder complete and Yoke unit.

Yoke unit

Armature

Brush holder complete

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