Makita BFT022F Manual

Specification
Standard equipment
Optional accessories
No, but the following item(s) will be supplied with the machine if required:
*Torque adjust tool
*Protector
Battery BL1415
Battery BL1430
Battery BL1430A
Auto refresh adapter ADP03
Protectors (red/ blue/ yellow/ clear)
Torque adjust tool
Grip base (for Grip 37)
Grip 37 (Side grip)
BFT022F BFT044F BFT084F BFT126F
Model
Specifications
No load speed: rpm= min-1 700 410
180 180130170
950 780
1.4 (3.0)*1/ 1.5 (3.4) *2
Battery
Driving shank: mm (")
Weight according to
EPTA-Procedure 01/2003: kg (lbs)
LED Job light
Torque adjustment
Reversing switch
Electric brake
Soft start
Torque range: N.m (in.lbs) 0.5 - 2 (4 - 18) 3 - 8 (27 - 71)1 - 4 (8.9 - 35) 5 - 12 (44 - 106)
Yes
Yes
Yes
Yes
Yes
Hex 6.35 (1/4)
Cell
Voltage: V
Capacity: Ah
Li-ion
19/ 44
15/ 22 with DC18RC (DC18RA*3)
14.4
1.3/ 3.0
Max output: W
*1 with Battery BL1415
*2 with Battery BL1430
*3 for USA, Canada, Guam, Panama, Mexico and Columbia
Model No.
Description
PRODUCT
CONCEPT AND MAIN APPLICATIONS
P 1/ 13
BFT022F, BFT044F, BFT084F, BFT126F
Cordless Screwdrivers 14.4V
These four cordless screwdrivers for fastening works in assembling line are
developed as advanced models of 9.6V Ni-MH battery tools of BFT020F series.
Additionally to the same high fastening torque accuracy as the current series models,
these products feature a powerful and efficient power source of 14.4V Li-ion battery.
These products are available in the following specifications with the model numbers
described below.
BFT126FZ
BFT084FZ
BFT044FZ
5 - 12 (44 - 106)
3 - 8 (27 - 71)
BFT022FZ 0.5 - 2 (4 - 18)
1 - 4 (8.9 - 35) No No
Model No. Torque range:
N.m (in.lbs) type quantity Charger
No
Battery
cover
No
Battery
TECHNICAL INFORMATION
L
H
Dimensions: mm (")
Width (W)
Height (H)
Length (L) 200 (7-7/8)
235 (9-1/4)*1
250 (9-7/8)*2
74 (2-15/16)
W
*1 with Battery 1415
*2with Battery 1430
Charging time (approx.): min.
Energy capacity: W
Fast charger DC18RA (for USA, Canada, Guam, Panama, Mexico, Colombia)
Fast charger DC18RC (All countries except the countries above)
Charger DC24SC
Charger DC18SD
Automotive charger DC18SE
Anti-kickback head for Spindle M
Anti-kickback head for Spindle N

P 2/13
1R004 Retaining ring S pliers ST -2
1R035
1R036
Bearing setting plate 15.2 installing Ball bearing 6801LLB and Ring 12
assembling Spindle section to Clutch case
assembling Spindle section to Clutch case
Bearing setting plate 17.2
1R237 Round bar for arbor 8-100
1R269
1R288
1R291 Retaining ring S and R pliers
1R392
1R219
1R220 Ratchet head 9.5 (for 1R219)
1R222
765027-4
1R314
1R311 Retaining ring pliers with long bent nails
Code No. Description Use for
Repair
CAUTION: Repair the machine in accordance with “Instruction manual” or “Safety instructions.
[1] NECESSARY REPAIRINGTOOLS
removing/installing Ring spring 11
removing M5x10 Torx countersunk head screw from SpindleKnife type hexalobular wrench
Torque wrench shaft 7-23N·m
tightening M5x10 Torx countersunk head screw to Spindle
Socket adapter (for 1R219)
Bearing extractor removing Ball bearing 6801LLB and Ring 12 from Spindle
removing Steel balls
removing/installing Ring spring 10 from/on Spindle
removing Retaining R-21
assembling M5x10 Torx countersunk head screw to Spindle
disassembling Clutch sectionTorque adjust tool
Torx bit VT-25
Screwdriver magnetizer
BFT126FBFT022F
Model No.
Description
Item No.
Ring 38 Ring 38M Ring 38IRing 38G
Spindle Either Spindle M or Spindle N is used. It varies by country.
Compression spring 19 Compression
spring 19
Compression
spring 19D
Compression
spring 19C
Cam C/ A Cam C
Clutch ass’y K Clutch ass’y D Clutch ass’y G
Cam A
Carrier complete A/ B
Clutch ass’y (as an option
for quick repair of Clutch
section) consists of Item Nos.
Carrier complete BCarrier complete A
29
23
36
39
44
BFT044F
Note: Some parts numbers and descriptions vary by 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.)
Plate Plate L Plate IPlate G
Ring 38H
Compression
spring 19E
Clutch ass’y F
BFT084F
Plate H1
Spur gear 13/ 18 Spur gear 13 Spur gear 18
Armature Part No.619306-1 Part No.619308-7 Part No.619129-7
47
54
Spur gear complete Spur gear 9
complete B
Spur gear 20
complete
Spur gear 20
complete C
Spur gear 20
complete
48
Spur gear 15/ 19 Spur gear 15Spur gear 19 Spur gear 1949
43
32 33 43 34 35 36 37
38 39 40 41 42 62
Gear ass’y C Gear ass’y E Gear ass’y D
Gear ass’y (as an option
for quick repair of Gear
section) consists of Item Nos. Gear ass’y C63
44 45 46 47 48 49 50
51 52

P 3/13
Item No. Description LubricantPortion to lubricate
Item No. Description
: Makita grease N. No.2 (2g)
: ThreeBond 1303 or Loctite 603
: Makita sealing lubricant No.101
Compression
spring 19
Cam D
35
34
38
40
Gear case
44
50
47
48
49
Spindle
Steel ball 5.0 (3 pcs)
Steel ball 4 (3 pcs)
Steel ball 3 (13 pcs)
35
34
Spindle
34
38
40
Cam C/ A
Carrier complete A/ B
Spur gear 13/ 18 (3 pcs)
Spur gear complete
Spur gear 15/ 19 (3 pcs)
Internal gear 47
44
50
47
48
49
Three shaft pins for 47
47 49
49
Repair
Apply the following lubricants to protect parts and product from unusual abrasion (Fig. 1):
• Makita sealing lubricant No.101 to the portions designated with the gray triangle
• Makita grease N. No.2 to the portions designated with the black triangle
Apply ThreeBond 1303 or Loctite 603 to the portion designated with the black arrow. (Fig. 1)
[2] LUBRICATION and ADHESIVE APPLICATION
LUBRICATION
Threaded portion for engaging with M12 Lock nut
Makita sealing
lubricant
No.101
(042010-1A: 100g)
Whole surface
Whole surface
Whole surface
Teeth portion that engages with and
Teeth portion
Teeth portion and three shaft pins for
Teeth portion
Portion to apply adhesive
Inner threaded portion for M5x10 Torx countersunk head screw
Ball bearing
6805LLB
Lock washer
Motor bracket M5x10 Torx countersunk
head screw
Flat washer 7
Fig. 1
Makita grease
N. No.2
Amount
a little
2g in total
ADHESIVE APPLICATION

P 4/13
Fig. 5 Fig. 6 Fig. 7
[3] -2. Spindle section
Clutch case
Compression spring 5
Clutch section
Spindle section
Fig. 3
M4x4 (+) Pan head
screw (silver)
Ring 38
Clutch case cover
Clutch case
DISASSEMBLING
DISASSEMBLING
Steel ball 3 (2 pcs)
Compression spring 13 Spindle
Ring spring 10
Fig. 2
M4x8 Pan head screw (black)
Switch lever
Compression spring 2
Fig. 4
M4x22 (+) Pan head screw (4 pcs)
Clutch case
Clutch section
(= Clutch assembly)
Housing
Retaining ring R-21
1R311
Clutch case
Switch unit
[3] DISASSEMBLY/ASSEMBLY
[3] -1. Bit holder section
Bit holder section can be disassembled from Spindle by
removing Ring spring 10 from the groove of Spindle by
using 1R291. (Fig.2)
Flat washer 11 Sleeve
groove
(1) Disassemble Bit holder section from Spindle. (Refer to [3] -1. Bit holder section.)
(2) Remove Ring 38 from Clutch case by unscrewing M4x4 (+) Pan head screw (silver),
then remove Clutch case cover from Clutch case by unscrewing M4x8 Pan head screw (black).
Switch lever and Compression spring 2 can be now removed. (Fig. 3)
(3) Remove Clutch case from Housing by unscrewing four M4x22 (+) Pan head screws.
Clutch section (= Clutch assembly) can be now removed from Housing. (Fig. 4)
Note: Be careful not to lose Compression spring 5 located in Clutch section.(Fig. 5)
(4) Remove Retaining ring R-21 that holds Spindle section in place on Clutch case using 1R311. (Fig. 6)
(5) Remove Spindle section from Clutch case by tapping the end surface of Clutch case with Plastic hammer. (Fig. 7)
Repair

P 5/13
Ring 12
Ball bearing
6801LLB
1R269
Ring spring 11
1R004
Ring 12
Ball bearing
6801LLB
Spindle
Ball bearing
6801LLB
1R035
Spindle
Ball bearing
6801LLB
1R311
Retaining ring R-21
1R237
Clutch case
Spindle section
DISASSEMBLING
ASSEMBLING
1R269
arbor press
Ring spring 11
1R004
arbor press
1R036
Repair
[3] DISASSEMBLY/ASSEMBLY
[3] -2. Spindle Section
(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. 8 Fig. 9 Fig. 10
(1) Assemble Spindle section by using 1R035, arbor press and 1R004. (Figs. 11 and 12)
Note: Ring spring 11 is deformed in the disassembling step. Be sure to use new Ring spring 11
when assembling Spindle section. (Fig. 12)
(2) Assemble Spindle section to Clutch case by using 1R237, 1R036, arbor press and 1R311. (Fig. 13 and 14)
Fig. 11
Note: Be sure to
use new one.
Fig. 12
Fig. 13 Fig. 14
Fit Retaining ring 21 exactly
in this inner groove to hold
Spindle section securely.

P 6/13
[3] -3. Clutch Section
Compression
spring 19 Compression
spring 19
Adjust ring complete
Cam D
Steel ball 4
(3 pcs)
Steel ball 5.0
(3 pcs)
Cam C/ A
Steel ball 3.0
(13 pcs)
Cam C/ A
M12 Lock nut
Adjust ring complete
Clutch section
(=Clutch assembly)
ASSEMBLING
DISASSEMBLING
765027-4
Lock nut M12
Spindle
Cam D
Repair
[3] DISASSEMBLY/ASSEMBLY
[3] -2. Spindle section (cont.)
(3) Make sure that Compression spring 5 is set 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 Lead wires of Switch unit and LED Job light in place as drawn in Fig. D-3.
(5) Put Switch lever and Compression spring 2 in the space between Switch unit and Clutch case. (Fig. 3)
(6) Secure Clutch case cover to Clutch case with M4x8 Pan head screw (black). Then secure Ring 38 to Clutch case
with M4x4 (+) Pan head screw (silver). (Fig. 3)
It is recommended to wholly replace Clutch section (= Clutch assembly) when it is broken.
However, if you need to replace some component part(s) of Clutch section independently,
disassemble/assemble Clutch section as described below.
(1) Take out Clutch section. (Figs. 3 and 4)
Note: Be careful not to lose Compression spring 5. (Fig. 5)
(2) Insert 765027-4 into the hole of Adjust ring complete, and turn it counterclockwise to reduce the tension of
Compression spring 19. M12 Lock nut (left-hand threaded) can be now removed by turning it in the direction of
the black arrow by hand. (Fig. 15)
(3) Remove Adjust ring complete, Flat washer 18 and Compression spring 19 from Spindle. (Fig. 16)
(4) The following Steel balls can be removed as drawn in Fig. 17:
Steel ball 3 (13 pcs), Steel ball 4 (3 pcs), Steel ball 5.0 (3 pcs)
Note: Use a screwdriver magnetized by 1R288 for easy removal of Steel balls.
Fig. 15 Fig. 16
Flat washer 18
Fig. 17
Steel ball 4 (3 pcs) and Steel ball 5.0 (3 pcs)
can be removed by moving Cam D towards
the threaded end of Spindle.
After removing Steel ball 4 (3 pcs) and Steel ball 5.0 (3 pcs),
Steel ball 3 (13 pcs) can be removed by moving Cam C/ A
towards Cam D.

P 7/13
Fig. 18
Fig. 19
DISASSEMBLING
6mm
Spindle
Flat washer 7Cam C/ ACam D
Spindle
ASSEMBLING
Spindle
1R219
1R220
1R222
1R314
Repair
[3] DISASSEMBLY/ASSEMBLY
[3] -3. Clutch Section (cont.)
(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 Knife type hexalobular wrench (1R392) into the socket of M5x10 Torx countersunk
head screw. Then remove the screw by turning 1R392 counterclockwise as drawn to left in Fig. 18.
Cam D, Cam C/ A and Flat washer 7 can be now removed from Spindle. (right in Fig. 18)
M5x10 Torx countersunk
head screw
1R392
M5x10 Torx countersunk
head screw
Assemble by reversing the disassembly procedure.
Note: When fastening M5x10 Torx countersunk screw to Spindle, do as described in Fig. 19.
Apply Sealing lubricant No.101 to all Steel balls and the Spindle's threaded portion before assembling. (Fig. 1)
Be careful not to put the grease in the threaded hole of Spindle and the torx screw.
M5x10 Torx countersunk
head screw
Clean up this threaded portion
with gasoline or kerosene to
remove oil or grease.
Clean up this threaded hole
with gasoline or kerosene
to remove oil or grease from
the inner threaded portion.
Put about three drops of
ThreeBond 1303 or Loctite 603
in this threaded hole.
Fix Spindle in vise. Then fasten M5x10 Torx
countersunk head screw to the recommended
torque of 8-10N·m by turning clockwise
by using 1R219, 1R220, 1R222 and 1R314.
Note: Wipe away any adhesive that may
ooze out of the threaded hole.
Hex wrench 6

P 8/13
Gear ass’y
Motor section
DISASSEMBLING
Plate
Lens
Housing R
Brush
holder cap
Carbon
brush
Brush
holder cap
Carbon
brush
Housing L
Housing R
Gear ass’y
Switch unit
Switch
Repair
[3] DISASSEMBLY/ASSEMBLY
[3] -4. Motor section and Gear ass’y
(1) Remove Bit holder section, Switch lever, Clutch case and Clutch section (=Clutch assembly) from Housing.
(Figs. 2, 3 and 4)
(2) After removing Brush holder caps and Carbon brushes, remove Housing L from Housing R by unscrewing
eight M3x20 Pan head screws. Then remove Switch unit from Gear ass’y. (Fig. 20)
(3) Disconnect Lead wires of Endbell complete from Switch, then lift up and remove the assembled part of Gear ass’y
and Motor section from Housing R. Then pull off Gear ass’y from Motor section while turning Motor bracket
in the direction of the arrow. (Fig. 21)
(4) Remove Endbell complete from Armature, then pull Armature from Yoke unit. (Fig. 22)
(5) Remove Lock washer by turning it with pliers. Gear ass’y can be disassembled as drawn in Fig. 23.
Fig. 20
Fig. 21
Pan head screw
M3x20 (8 pcs)
Lead wire of
Endbell complete
Motor bracket
Endbell complete
Armature
Gear case
Disassembling Motor section Disassembling Gear ass’y
Spur gear
complete
Gear case
Internal gear 47
Fig. 22 Fig. 23
Note:
Be careful not to pinch your fingers
between Armature and Yoke unit
when removing/ installing Armature
because Yoke unit has strong magnetic
force and pulls Armature very strongly.
Yoke unit
Lock washer
Carrier
complete A/ B
Spur gear
15/ 19 (3 pcs)
Ball bearing
6805LLB
Spur gear
13/ 18 (3 pcs)

P 9/13
ASSEMBLING
Gear ass’y
Switch unit
Housing R
Motor section
Repair
[3] DISASSEMBLY/ASSEMBLY
[3] -4. Motor section and Gear ass’y
Note:
Ribs to hold Switch unit must face
the top side of the machine.
Fig. 26
Ribs to hold
Switch unit
Motor bracket
Lead wire
of Endbell complete
Carrier complete A/ B
Internal gear 47
Gear case
Gear case
pliers
(1) Apply Makita grease N No.2 (2g) to teeth portions of all Gears and all Shaft pins portion of the Carrier complete A/ B
and Spur gear complete. (Fig. 1)
(2) Assemble Gear ass’y. (Figs. 24 and 25)
(3) Assemble Motor section. (Fig. 22)
Assemble Motor section and Gear ass’y together while turning Motor bracket in the direction of the arrow.
Then install Switch unit on Gear case, and connect Lead wires of Endbell complete to Switch. (Fig. 26)
(4) Put the assembled part of Gear ass’y and Motor section in place on Housing R, then fasten Housing L to Housing R as
drawn to left in Fig. 22.
Note: Do not forget to install Plate and Lens on Housing R. (See Figs. D-2 and D-3 for detailed information on wiring.)
Fig. 24
Fig. 25
Lock Motor bracket in place
by turning clockwise.
Motor bracket
Lock washer
Spur gear
complete
Spur gear
15/ 19 (3 pcs)
Shaft pins for
Spur gear 13/ 18
Shaft pins for
Spur gear 15/ 19
Spur gear
13/ 18 (3 pcs)
Ball bearing
6805LLB

P 10/13
DISASSEMBLING
Micro switch
ASSEMBLING
DISASSEMBLING
ASSEMBLING
Controller
LED circuit
Buzzer circuit
Switch unit
Connector
Connector
Connector
Fig. 29
Repair
[3] DISASSEMBLY/ASSEMBLY
[3] -5. Switch Section
After removing F/R change lever, unscrew the screw
that fastens Micro switch to Reverse switch.
Micro switch can be removed by pulling in the direction
of the gray arrow while turning it counterclockwise. (Fig. 27)
F/R change lever
Reverse switch
screw
Fig. 27
Fig. 28
(1) Assemble Micro switch to Reverse switch by fastening
the screw to the recommended torque of 0.29 - 0.34N.m.
(2) Assemble F/R change lever to Reverse switch by fitting
the boss of Reverse switch in the concave portion of
F/R change lever. (Fig. 28)
(3) Assemble Trigger switch section to Housing R.
concave portion
of F/R change lever boss of Reverse switch
[3] -6. Replacing Switch Unit, LED Circuit, Buzzer Circuit
When removing LED circuit, Switch unit and Buzzer circuit,
disconnect Connectors by pulling them in the direction
designated with the arrow. (Fig. 29)
Note: Do not pull Lead wires in case of disconnecting
Connectors. Pull Connectors to protect Lead wires
from breaking.
Connect Connectors.
Refer to "Circuit Diagram".