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Instruction Manual
T
ECHNICAL INFORMATION
Model No.
Description
C
ONCEPT AND MAIN APPLICATIONS
These three cordless screwdrivers for fastening works in assembling line
have been developed as sister models of BFT040F series.
Additionally to the same tool durability and high fastening torque accuracy
as the current series models, these products feature low rotational speed for
soft joint applications such as fastening rubber parts; gaskets, hoses, etc.
These products are powered by 14.4V/ 3.0Ah Li-ion batteries
BL1430/ BL1430A*.
*Not compatible with 14.4V/1.3Ah Li-ion battery BL1415
These products are available in the following specifications
with the model numbers described below.
Torque range:
Model No.
N.m (in.lbs)
BFT043FZ
1 - 4 (8.9 - 35)
BFT083FZ
3 - 8 (27 - 71)
BFT125FZ
5 - 12 (44 - 106)
S
pecification
Specifications
Voltage: V
Capacity: Ah
Battery
Cell
Max output: W
Torque range: N.m (in.lbs)
No load speed: rpm= min
Driving shank: mm (")
Soft start
LED Job light
Electric brake
Reversing switch
Torque adjustment
Weight according to
EPTA-Procedure 01/2003*: kg (lbs)
* with Battery BL1430
S
tandard equipment
No
O
ptional accessories
Battery BL1430
Battery BL1430A
Fast charger DC18RA
Charger DC18SD
Charger DC24SC
Automotive Charger DC18SE
Auto refresh adapter ADP03
BFT043F, BFT083F, BFT125F
Cordless Screwdrivers 14.4V
Battery
type
quantity
No
No
Model
BFT043F
1 - 4 (8.9 - 35)
-1
Battery protector (for BL1430A)
Protectors (red/ blue/ yellow/ clear)
Torque adjust tool
Grip base (for Grip 37)
Grip 37 (Side grip)
Anti-kickback head for Spindle M
Anti-kickback head for Spindle N
Battery
Charger
cover
No
No
BFT083F
14.4
3.0
Li-ion
25
3 - 8 (27 - 71)
80
Hex 6.35 (1/4)
Yes
Yes
Yes
Yes
Yes
1.5 (3.3)
PRODUCT
L
W
Dimensions: mm (")
Length (L)
200 (7-7/8)
Width (W)
72 (2-13/16)
Height (H)
255 (10)
BFT125F
65
5 - 12 (44 - 106)
150
P 1/ 14
H
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Summary of Contents for Makita BFT043F
- Page 1 ECHNICAL INFORMATION PRODUCT P 1/ 14 Model No. BFT043F, BFT083F, BFT125F Description Cordless Screwdrivers 14.4V ONCEPT AND MAIN APPLICATIONS These three cordless screwdrivers for fastening works in assembling line have been developed as sister models of BFT040F series. Additionally to the same tool durability and high fastening torque accuracy as the current series models, these products feature low rotational speed for soft joint applications such as fastening rubber parts;...
- Page 2 Note: Some parts numbers and descriptions differ from model to model. Refer to the following list and replace the descriptions in this technical information. (for example, Cam C/ A means Cam C or Cam A.) Model No. Item No. BFT043F BFT083F BFT125F Description...
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Page 3: Lubricant And Adhesive Application
Item No. Description Portion to apply adhesive Spindle Inner threaded portion for M5x10 Torx countersunk head screw Fig. 1 : Makita grease N. No.2 (2g) : Seal lubricant No.101 : ThreeBond 1303 or Loctite 603 Compression spring 19 Ball bearing 6805LLB... - Page 4 P 4/ 14 epair [3] DISASSEMBLY/ASSEMBLY [3] -1. Bit Holder Section DISASSEMBLING Fig. 2 Bit holder section can be disassembled from Spindle M/ N Ring spring 10 Steel ball 3 (2pcs.) by removing Ring spring 10 from the groove of Spindle M/ N by using 1R291.
- Page 5 P 5/ 14 epair [3] DISASSEMBLY/ASSEMBLY [3] -2. Spindle Section DISASSEMBLING (6) Remove Ring spring 11 with 1R004. (Fig. 8) (7) Remove Ball bearing 6801LLB with 1R269. (Fig. 9) (8) Remove the other Ball bearing 6801LLB together with Ring 12 by using 1R269. (Fig. 10) Fig.
- Page 6 P 6/ 14 epair [3] DISASSEMBLY/ASSEMBLY [3] -2. Spindle Section (cont.) ASSEMBLING (3) Make sure that Compression spring 5 is located in place in Clutch section before assembling Clutch section and Clutch case to Housing. (Fig. 5) (4) Assemble Clutch section and Clutch case to Housing by screwing four M4x22 (+) Pan head screws. (Fig. 4) Then put the Lead wires of Switch unit and LED Job light in place as illustrated in Fig.
- Page 7 P 7/ 14 epair [3] DISASSEMBLY/ASSEMBLY [3] -3. Clutch Section (cont.) DISASSEMBLING (5) Insert short leg of hex wrench 6 into the hole of Spindle, and fix long leg of the hex wrench securely in vise. Insert No.T25 Torx wrench of L type Torx wrench set (1R145) into the socket of M5x10 Torx countersunk head screw.
- Page 8 P 8/ 14 epair [3] DISASSEMBLY/ASSEMBLY [3] -4. Motor and Gear Section DISASSEMBLING (1) Remove Bit holder section, Switch lever, Clutch case and Clutch section (=Clutch ass’y) from Housing. (Figs. 2, 3 and 4) (2) After removing Brush holder cap and Carbon brush, remove Housing (L) from Housing (R) by loosening eight M3x20 Pan head screws.
- Page 9 (3pcs.) ASSEMBLING (1) Apply Makita grease N No.2 (2g) to teeth portions of all Gears and all Shaft pins portion of the Carrier complete B and Spur gear 9 complete B. (Fig. 1) (2) Assemble Gear section as drawn in Figs. 24 and 25.
- Page 10 P 10/ 14 epair [3] DISASSEMBLY/ASSEMBLY [3] -4. Motor and Gear Section (cont.) ASSEMBLING Fig. 26 3) Assemble Motor section. (Fig. 22) Assemble Motor section and Gear section together while Note: turning Motor bracket in the direction of the arrow. Ribs to hold Switch unit must face Then install Switch unit on Gear case, and connect Lead the top side of the machine.
- Page 11 P 11/ 14 epair [3] DISASSEMBLY/ASSEMBLY [3] -5. Switch Section DISASSEMBLING Fig. 27 After removing F/R change lever, loosen the screw that fastens Micro switch to Reverse switch. F/R change lever Micro switch can be removed by pulling in the direction of the gray arrow while turning it counterclockwise.
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Page 12: Circuit Diagram
P 12/ 14 ircuit diagram Fig. D-1 Color index of lead wires' sheath Black Orange White Blue Purple Gray Yellow Micro Switch Switch section COM NO Line filter (in case it is used) Connector Switch unit Connector Reverse DC Motor switch Controller (Endbell) - Page 13 P 13/ 14 iring diagram (1) Wiring in Housing (R) Fig. D-2 [Routing Lead wires (black, red) of Endbell complete] Endbell complete Controller Black wire: Route beside the right side of the LED cover portion of Controller, then connect to No. M2 terminal of Switch section.
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Page 14: Wiring Diagram
P 14/ 14 iring diagram (2)Wiring on the outside of Housing Fig. D-3 Wiring of Lead wires (yellow, purple) that connect Switch unit with Controller (These Lead wires are covered by a protective tube and called as "Wire yp" in the illustration below.) Switch unit Switch unit Wire yp...