Parts List

ManualsBrandsMakita ManualsCordless ScrewdriversCordless drywall screwdriver for BFS 441 Z Drywall

(The image above is BFS441.)

PRODUCT

CONCEPT AND MAIN APPLICATIONS

P 1/14

Specification

BFS441(LXSF02)*1, BFS451(LXSF01)*1

Cordless Screwdriver

Models BFS441 and BFS451 are pistol grip Cordless Screwdrivers

with variable speed control switch, compact and lightweight body,

well balanced tool design for easy handling and maneuverability,

featuring the following main benefits:

Dimensions: mm (")

Width (W)

Height (H)

Length (L)

281 (11-1/8)*2

296 (11-5/8)*3

80 (3-1/8)

224 (8-7/8)*4

241 (9-1/2)*5

Specification

Weight according to

EPTA-Procedure 01/2003*6: kg (lbs)

1.4/ 1.6

(3.2/ 3.6)

1.5/ 1.7

(3.3/ 3.8)

Model BFS451BFS441

4 (5/32)Diameter

0 - 4,000No load speed: min.-1 = rpm

Driver bit: mm (")

Capacities: mm (")

[drywall]

LED job light

6.35 (1/4) HexShank

Yes

Reverse switch

Variable speed control by trigger

Yes

Electric brake Yes

Yes

Battery Cell

Voltage: V

Capacity : Ah

Energy capacity: Wh

Li-ion

14.4 18

1.3/ 3.0

Standard equipment

Optional accessories

Note: The standard equipment for

the tool shown above may vary

by country.

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

Magnetic connect bit

6.35-60 or 6.35-76 ........................ 1

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

Models No.

Description

● Best possible tool body for screwdriving

● Compatible with both 1.3Ah and 3.0Ah batteries

● Single LED job light with afterglow function

*1: Model number for North and Central American countries

19/ 44 24/ 54

*6: With Battery

*2: with Magnetic connect bit 60

*3: with Magnetic connect bit 76

*4: with BL1415 or BL1815

*5: with BL1430 or BL1830

Phillips bit 1-25

Phillips bit 2-25

Phillips bit 3-25

Magnetic connect bit 6.35-60

Magnetic connect bit 6.35-76

Battery BL1415 for BFS441

Battery BL1430 for BFS441

Battery BL1815 for BFS451

Battery BL1830 for BFS451

Fast charger DC18RA

Charger DC24SC (for all countries

except North American countries)

Charger DC18SD

Automotive charger DC18SE

BFS441 (LXSF02)*1

Model No.

Type Quantity

Charger

Plastic

carrying case

Battery

cover

Battery

BL1430 DC18RA NoYes

BFS441Z

(LXSF02Z)*1

2 1

BFS441ZX

BFS441RFE

BL1430 DC18RA YesNo2 1

BFS441RFX

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

No No NoNoNo No

No No YesNoNo No

BFS451 (LXSF01)*1

Model No.

Type Quantity

Charger

Plastic

carrying case

Systainer

case

Systainer

case

Battery

cover

Battery

BL1830 DC18RA NoYes

BFS451Z

(LXSF01Z)*1

2 1

BFS451ZX

BFS451RFE

(LXSF01)*1

BL1830 DC18RA YesNo2 1BFS451RFX

No No NoNoNo No

No No YesNoNo No

Charging time (approx.): min. 15/ 22 with DC18RA

ECHNICAL INFORMATION

This model is available in the following variations.

Summary of content (14 pages)

PAGE 1
T ECHNICAL INFORMATION PRODUCT Models No.
PAGE 2
P 2/14 Repair CAUTION: Repair the machine in accordance with “Instruction manual” or “Safety instructions”. [1] NECESSARY REPAIRING TOOLS Code No. 1R269 Description Bearing extractor (small) Use for removing Ball bearing 608ZZ [2] LUBRICANT AND ADHESIVE APPLICATION Apply the following lubricants to protect parts and product from unusual abrasion. (Fig. 1) Item No.
PAGE 3
P 3/14 Repair [3] DISASSEMBLY/ASSEMBLY [3]-1. Locator Section DISASSEMBLING Fig. 3 1. Pull off Locator complete and Lock ring from Housing, then remove Locator complete from Lock ring. 2. Remove Leaf spring with slotted screwdriver. Locator complete Lock ring Leaf spring 3. Remove Rubber plate from Housing (L) complete. 4. Mount Locator complete back to Locator base complete. 5.
PAGE 4
P 4/14 Repair [3] DISASSEMBLY/ASSEMBLY [3]-1. Locator Section ASSEMBLING 1) Assembling of Locator base complete, Locator complete, Leaf spring and related parts. (Fig. 4) Fig. 4 1. Mount Locator complete to Locator base complete and fix them to Housing set by tightening counterclockwise with adjustable wrench. 2. Remove Locator complete again, then put Rubber plate in place. Locator complete Locator base complete Locator complete Locator base complete Rubber plate 3.
PAGE 5
P 5/14 Repair [3] DISASSEMBLY/ASSEMBLY [3]-1. Locator Section ASSEMBLING 2) Make sure to put Seal ring 30 in Lock ring and Dust seal sleeve in Locator complete before mount them on Housing. (Fig. 5) Fig. 5 Seal ring 30 Lock ring Dust seal sleeve Locator complete 3) Insert Locator complete into Lock ring and mount them on Housing. (Fig. 6) Fig.
PAGE 6
P 6/14 Repair [3] DISASSEMBLY/ASSEMBLY [3]-2. Clutch Section DISASSEMBLING 1) Disassemble Locator section (Fig. 3) and remove Magnetic connect bit from Spindle 125S. 2) Separate Spindle section from Housing L (Fig. 7). Fig. 7 1. Dismantle Housing (R) complete by removing seven 4x18 Tapping screws. Note: Housing (R) complete may not be easily removed as it is adhered to Gear room ribs with “ThreeBond 1215”. (Fig. 2) 2.
PAGE 7
P 7/14 Repair [3] DISASSEMBLY/ASSEMBLY [3]-2. Clutch Section ASSEMBLING 1) Assemble the component parts to Clutch cam 125S. (Fig. 10) Fig. 10 1. Fix Flat washer 26 on the flange portion of Clutch cam 125S, then mount Compression spring 25 on it. Clutch cam 125S flange portion 2. Apply Makita grease FA No.2 in Clutch cam 125S, then put Steel ball 4 in place. Compression spring 25 Clutch cam 125S Flat washer 26 2) Assemble Gear complete, Spindle 125S complete and Bearing complete. (Fig. 11) Fig. 11 1.
PAGE 8
P 8/14 Repair [3] DISASSEMBLY/ASSEMBLY [3]-3. Motor Section (Armature, Yoke unit, Brush holder) ASSEMBLING 1) Disassemble Locator section (Fig. 3) and remove Magnetic connect bit from Spindle 125S. 2) Separate Housing (R) complete (Fig 7). 3) Disassemble Motor section from Housing (L) complete. (Fig. 13) Fig. 13 1. Remove Motor section (Armature, Yoke unit, Brush holder) from Housing (L) complete. Yoke unit Armature 2.
PAGE 9
P 9/14 Repair [3] DISASSEMBLY/ASSEMBLY [3]-3. Motor Section (Armature, Yoke unit, Brush holder) ASSEMBLING 1) Assemble Motor section as described in Fig. 14. Fig. 14 Note: The notch on Yoke unit must be positioned on the Armature fan side. 1. Insert Armature into Yoke unit in the direction of the arrow. 2. Mount Brush holder complete to Armature.
PAGE 10
P 10/14 Repair [3] DISASSEMBLY/ASSEMBLY [3]-4. F/R Change Lever ASSEMBLING Be sure to mount F/R change lever on Switch before assembling Housing (R) complete. (Fig. 15) Fig. 15 F / R change Lever fork portion Engage this fork portion with the projection on Switch.
PAGE 11
P 11/14 Circuit diagram Fig. D-1 Color index of lead wires' sheath Black Red Yellow Orange Blue White FET Heatsink Red for BFS441 White for BFS451 LED job light Line filter Brush holder complete Light circuit Switch Connectors Note: Use two Line filters in the following positions if required.
PAGE 12
P 12/14 Wiring diagram Brush holder complete and Switch unit come with Line filter as complete unit for the countries requiring Line filters (Fig. D-2, D-3). Fig. D-2 Wiring of Brush Holder Complete Wind Lead wires (black, red) once on Line filter. Brush holder complete Line filter for connecting to Switch terminal M2. for connecting to Switch terminal M1. Fig.
PAGE 13
P 13/14 Wiring diagram Setting Carbon brush Installing and removal of Carbon brush. (Figs. D-4, D-5) Fig. D-4 Fig. D-5 [Correct] [Wrong] Lead wire of Carbon brush Route the Lead wire through this slot. tail of Torsion spring Torsion spring tail of Torsion spring Route the Lead wire here. Wrongly routed Lead wire may interfere the tail of Torsion spring.
PAGE 14
P 14/ 14 Wiring diagram Fig. D-5 Wiring in Housing (L) Complete Connect Terminals from Brush holder complete to Switch at the right angle to the top line of Switch. Do not put lead wires on this rib to avoid pinching. rib FET 90 degrees Top line of Switch Switch Brush holder complete Switch trigger Fix Lead wires from Connectors in these Lead wire holders. Light circuit Connectors rib LED job light Terminal Note: Install LED job light at the correct angle.