Makita BFS440, BFS450 User Manual

Description

ECHNICAL INFORMATION

Models No.

BFS440, BFS450

Cordless Screwdriver

PRODUCT

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CONCEPT AND MAIN APPLICATIONS

Models BFS440 and BFS450 have been developed as a single-shot type Cordless Screwdriver, featuring more convenience with one-touch locator and LED job light.

These products are available in the following variations.

BFS440

Model No.

BFS440RFE

BFS440Z

BFS450

BFS450RFE

BFS450Z

Battery

type quantity

BL1430

(Li-ion 3.0Ah)

No No

BL1830

(Li-ion 3.0Ah)

No No

Charger

DC18RA

Plastic

carrying case

Yes

(The image above is BFS450.)

Dimensions: mm (")

Length (L) 258 (10-1/8)*1 Width (W)

Height (H)

*1. It differs by country.

Housing color

Makita-blue

Makita-blue All countries except North America

All countries except North America

Offered to

80 (3-1/8)

193 (7-5/8)

All models also include the accessories listed in "Standard equipment".

Specification

Voltage: V

Battery

Max output: W 235 325

Driver bit: mm (") Capacities: mm (") [drywall]

Reverse switch Yes

LED job light

Net weight*3: kg (lbs) 1.7 (3.8) 1.9 (4.2)

*2. 1.5Ah: Battery BL1415 or BL1815; 3.0Ah: Battery BL1430 or BL1830 *3. BFS440: includes battery BL1430; BFS450: includes battery BL1830

Capacity: Ah

Cell

Model

14.4 18

1.5 or 3.0*2

Li-ion

4,000No load speed: min.-1 = rpm

6.35 (1/4) HexShank

4 (5/32)Diameter

Yes

BFS450BFS440

Standard equipment

Phillips bit 2-25 ...................... 2

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

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

Magnetic connect bit 6.35-60 (Magnetic connect bit 6.35-76) ...................... 1

Optional accessories

Phillips bit 1-25 Phillips bit 2-25 Phillips bit 3-25

Magnetic connect bit 6.35-60 Magnetic connect bit 6.35-76 Batteries BL1430, BL1415 (for BFS440) Batteries BL1830, BL1815 (for BFS450)

Fast charger DC18RA Charger DC24SA (for North America only) Charger DC24SC (for all countries except North America)

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[2] LUBRICATION

Apply Makita grease FA.No.2 to the following portions designated with the black triangle to protect parts and product from unusual abrasion.

[1] NECESSARY REPAIRING TOOLS

CAUTION: Remove the bit and the battery from the machine for safety before repair/ maintenance in accordance with the instruction manual!

Fig. 1

Repair

DescriptionCode No. Use for

Item No. Description Portion to lubricate Amount

a little

Each depressed portion for Steel ball 4

Spindle

Clutch cam C

Gear complete 18-44

Armature

Shoulder pin 8-10

Flat washer 25 Whole portion

(a)

(c)

(a) The drum portion that contacts Plane bearing 14

(d) The Drum portion that contacts 24 Clutch cam C

(e) Teeth of the small gear that engages Helical gear 48

(f) Teeth of the large Gear that engages Armature's gear

(b) The Cam portion that contacts 24 Clutch cam C

(b)

(e)

(f)

Bearing extractor1R269 Removing Ball bearing 608

Plane bearing 14 Makita grease FA.No.2

(d)

Ball bearing 608

Helical gear 48

Steel ball 4.0

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Repair

[3] DISASSEMBLY/ASSEMBLY [3] -3. Locater Section

[3] DISASSEMBLY/ASSEMBLY [3] -4. Helical Gear 48, Clutch Section

DISASSEMBLING

ASSEMBLING

Pull Lock ring strongly. Locater complete and Lock ring can be removed together. When removing Locater base complete together with Locater complete and Lock ring, etc.: 1 Loosen 4x18 Tapping screws (2 pcs.) and remove Front cover. 2 Loosen M4x25 Pan head screw and pull Locater base complete. (Fig. 2) Locator section can be removed as illustrated in Fig. 3.

Fig. 2

Fig. 4 Fig. 5

Fig. 3

Do the disassembling step in reverse.

Fig. 7Fig. 6

M4x25 Pan head screw

4x18 Tapping screws (2 pcs.)

Front cover

Locater base complete

Leaf spring Ring spring 33 Dust seal ring

Brake pin

Lock ring

Locater complete

1) Pull Lock ring strongly. Locater complete and Lock ring can be removed together.

2) Loosen 4x18 Tapping screws (9 pcs.) and remove Housing R. (Fig. 4)

3) Separate an assembly of Helical gear 48 and Clutch cam, etc. (Fig. 5) from Housing L and remove Ball bearing 608 with 1R269.

4) Remove Leaf spring by hooking and turning it with Long nose pliers. (Fig. 6) Do not lose Steel ball 3.5 on Spindle. The assembly (Re: Fig. 5) can be removed by hand as illustrated in Fig. 7.

Housing R

4x18 Tapping screws (9 pcs.)

Assembly of Helical gear 48 and Clutch cam, etc.

Leaf spring

Ball bearing 608

Steel ball 4 (3 pcs.)

Steel ball 4

O ring 18 Leaf spring

Helical gear 48

Clutch cam C Compression spring 25 Shoulder pin 8-10

Long nose pliers

Spindle

Ball bearing 608

Flat washer 26 Spindle Sleeve 20 Plane bearing 14Flat washer 25

(2 pcs.)

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