ECHNICAL INFORMATION
PRODUCT
T
P 1/ 13
BFL201F
Model No.
Description
L
Cordless Angle Screwdriver 14.4V
H
CONCEPT AND MAIN APPLICATIONS
W
This cordless angle screwdriver for fastening works in assembling line is
developed as an advanced model of BFL200F.
Dimensions: mm (")
Length (L) 429 (16-7/8)
Width (W) 72 (2-13/16)
Additionally to the same tool durability and high fastening torque accuracy
as the current series models, these products feature a powerful and efficient
power source and power unit, namely 14.4V/ 3.0Ah Li-ion battery* and
BLDC motor (Brushless DC motor).
Height (H)
98 (3-7/8)
*BL1430 and BL1430A can be used,
but 1.3Ah Li-ion battery BL1415 cannot be used.
This product is available in the following specifications
with the model number described below.
Battery
Battery
cover
No
Model No.
BFL201FZ
Charger
No
type
quantity
No
No
Specification
Model
BFL201F
Specifications
Voltage: V
14.4
3.0
Capacity: Ah
Battery
Cell
Max output: W
Li-ion
370
Torque range: N.m (in.lbs)
No load speed: rpm= min-1
Driving shank: mm (")
8 - 20 (71 - 177)
360
Square 9.5 (3/8)
Soft start
Yes
Yes
Yes
Yes
Yes
LED Job light
Electric brake
Reversing switch
Torque adjustment
Weight according to
1.7 (3.8)
EPTA-Procedure 01/2003* : kg (lbs)
* with Battery BL1430
Standard equipment
No
Optional accessories
Battery BL1430
Auto refresh adapter ADP03
Battery protector (for BL1430A)
Protectors (red/ blue/ yellow/ clear)
Torque adjust tool
Battery BL1430A
Fast charger DC18RA
Charger DC18SD
Charger DC24SC
Angle head set
Automotive Charger DC18SE
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P 2/ 13
Repair
CAUTION: Repair the machine in accordance with “Instruction manual” or “Safety instructions”.
[1] NECESSARY REPAIRING TOOLS
Code No.
Description
Use for
1R041 Vise plate
Protecting parts when holding in vise
1R034 Bearing setting plate 12.2
Installing Ball bearing 6900LLB
1R145 L-type torx wrench
Loosening/tightening M5x10 Torx countersunk head screw
Removing/installing Retaining ring R-22
Installing Bearing retainer
1R173 Retaining ring R pliers RT-1
1R219 Torque wrench shaft 7-23N.m
1R220 Ratchet head 9.5 (for 1R219)
1R222 Socket adapter
Installing Bearing retainer
Installing Bearing retainer
1R269 Bearing extractor
Removing Ball bearing 6900LLB
1R288 Screwdriver Magnetizer
Magnetizing Screwdriver for removing Steel balls
Removing/installing Retaining ring S-10
Retaining ring S and R pliers
1R291
1R314 Torx bit VT-25
134861-3 Socket 24-45
765027-4 Torque adjust tool
Loosening/tightening M5x10 Torx countersunk head screw
Installing Bearing retainer
Disassembling Clutch assembly
783204-6 Hex wrench 6 (flats width: 6mm) Loosening/tightening Adjust ring complete
[2] LUBRICATIONS/ GLUING
Apply Makita grease N.No.2/ Loctite 603 to the portions designated by arrows.
Item No.
Description
Spindle
Portion to lubricate
Lubricant
Amount
a little
2g
13
28
14
Left hand where M12 Lock nut contacts
Gear teeth that engages with Spiral bevel gear 9
Spindle A complete
Steel ball 5.0 (3pcs.)
Steel ball 4 (3pcs.)
Steel ball 3 (13pcs.)
O ring 14
17
19
35
37
40
41
42
a little
Whole surface
Makita grease N.No.2
Carrier complete B
Spur gear 18 (3pcs.)
Three shaft pins
Gear teeth
2g in
total
Spur gear 9 complete A Gear teeth and three shaft pins
Spur gear 18 (3pcs.)
Gear teeth
Item No.
Description
Portion to glue Adhesive Amount
Fig. 1
2
2
21
M4x22 Pan head screw (4pcs.)
Torx C.S.H. screw M5x10
M4x8 Pan head screw
Spiral
bevel
gear 9
Loctite 603
Thread
a little
25 26
36
86
Bearing retainer 14-23
M3x20 Pan head screw (7pcs.)
28
Note: Part No. for 40 is different from that for 42 .
M12 Lock nut
35
36
37
13
14
25
26
17
19
40
41
42
21
86
Housing L
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P 3/ 13
Repair
[3] DISASSEMBLY/ASSEMBLY
[3]-1. LED job light section
DISASSEMBLING
1) Remove Light cover by unscrewing two M4x8 Pan head screws. (Fig. 2)
2) Remove LED circuit and its Lead wires from Light holder, and disconnect Connector of LED circuit with that of
Motor control unit. Switch lever and Compression spring 2 can be removed in this step. (Fig. 3)
Fig. 2
Fig. 3
Light holder
Lead wire
Connector of
Motor control
unit
M4x8 Pan head screw (2pcs.) Light cover
LED circuit
Connector of
LED circuit
Compression spring 2
Switch lever
ASSEMBLING
1) Connect Connector of LED circuit with that of Motor control unit. and put LED circuit in place on Light holder.
Then fix lead wires with Lead holders as illustrated in Fig. 4.
2) Fitting the protruding portion of Light cover in the notch of Angle head complete, assemble Light cover to
Angle head complete by screwing two M4x8 Pan head screws. (Fig. 5)
Note: Be careful not to pinch the slack portion of Lead wires between Light cover and Angle head complete.
Fig. 4
Fig. 5
Lead wire holders
Switch unit
Rib
Light cover protrusion
Notch of Angle
head complete
Note: Put Connectors and the slack portion of Lead wires in
this space. Do not put them on Switch unit and the rib.
[3] -2. Spindle A complete section
DISASSEMBLING
1) Remove Bearing retainer 14-23 from Angle head complete by turning clockwise with wrench of 24mm flats width.(Fig. 6)
Spindle A complete section can now be removed by pulling by hand. (Fig. 7)
2) Remove Flat washer 6 from Spindle A complete. (Flat washer 6 may remain in Angle head complete.)
Remove Spindle A complete from Bearing retainer 14-23 by pushing down Bearing retainer 14-23 in the direction of
the arrow by hand. (Fig. 8)
Note: If cannot be removed by hand, disassemble by pressing down Spindle A complete using arbor press. (Fig. 9)
Fig. 6
Fig. 7
Spindle A complete section
24mm
Bearing retainer 14-23
Bearing
retainer 14-23
Wrench
Angle head complete
Fig. 8
Fig. 9
Spindle A complete
Flat washer 6
Spindle A
complete
Spindle A complete
Bearing retainer 14-23
Bearing retainer 14-23
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P 4/ 13
Repair
[3] DISASSEMBLY/ASSEMBLY
[3] -2. Spindle A complete section (cont.)
ASSEMBLING
1) Apply Makita grease N.No.2 to O ring 14. (Fig. 1)
Assemble O ring 14, Flat washer 14 then Spindle complete to Bearing retainer 14-23 as illustrated in Fig. 10.
Note: If you cannot assemble Spindle complete to Bearing retainer 14-23 by hand, do it using arbor press as illustrated in
Fig. 11.
2) Apply about 2g of Makita grease N.No.2 to the Gear room of Angle head complete. (Fig. 1)
Note: Be careful not to put Makita grease N.No.2 on the threaded portion of Angle head complete.
3) Apply Loctite 603 to the threaded portion of Bearing retainer 14-23. (Fig. 1)
Then assemble Flat washer 6 to Spindle complete. (Refer to Fig. 8.)
Assembling of Spindle complete section has been completed.
4) Clamp the flats of Angle head complete securely in a vise to which 1 set of 1R041 is attached, then assemble Spindle A
complete section to Angle head complete by turning Bearing retainer 14-23 counterclockwise using 1R219, 1R220, 1R222
and 134861-3 as illustrated in Fig. 11.
Caution: When clamping Angle head complete, be very careful not to deform it by overtightening.
Fig. 10
Fig. 11
1R220
1R219
1R222
Spindle A complete
Flat washer 14
O ring 14
Recommended tightening torque:
30 to 50N.m
134861-3
1R041
Bearing retainer 14-23
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P 5/ 13
Repair
[3] DISASSEMBLY/ASSEMBLY
[3] -3. Spiral bevel gear 9 section
DISASSEMBLING
1) Remove Light cover by unscrewing two M4x8 Pan head screws, then remove Switch lever and Compression spring 2.
(Fig. 12)
2) Remove Angle head complete from Housing by unscrewing four M4x22 (+) Pan head screws, then remove Clutch
section (= Clutch assembly) from Angle head complete. (Fig. 13)
Note: Be careful not to lose Compression spring 5, which may pop out from Clutch section when Clutch section is
removed from Angle head complete. (Fig. 13)
Fig. 12
Fig. 13
Angle head complete
Housing
M4x22 (+) Pan head screws (4pcs.)
Clutch section
(= Clutch assembly)
Switch lever
Compression spring 2
Light cover
Compression spring 5
Fig. 15
Fig. 14
3) Using 1R173, remove Retaining ring R-22
that retains Spiral bevel gear 9 section in
Angle head complete. (Fig. 14)
Spiral bevel
gear 9 section
1R173
Spiral bevel gear 9 section can now be
removed by tapping the end surface of
Angle head complete with plastic
hammer. (Fig. 15)
Retaining ring R-22
4) Remove Retaining ring S-10 using 1R291, then remove Ball bearing 6900LLB using 1R269.
Spacer and Needle bearing 1210 can now be removed from Spiral bevel gear 9. (Fig. 16)
Fig. 16
Ball bearing 6900LLB
Retaining ring S-10
1R291
Spacer
1R269
Needle baring 1210
Spiral bevel gear 9
ASSEMBLING
Do the reverse of the disassembling steps. (Refer to Figs. 16 to 12.)
Note 1: Spacer is not reversible when assembled to Spiral bevel gear 9.
Be sure to assemble as illustrated to left in Fig. 17.
Note 2: Use 1R034 and arbor press when assembling Ball bearing 6900LLB to Spiral bevel gear 9. (Fig. 18)
Fig. 17 Fig. 18
Arbor press
[Correct]
[Wrong]
Spiral bevel gear 9
Needle baring 1210
Spacer
Spacer
Needle baring 1210
Ball bearing 6900 LLB
1R034
Spiral bevel gear 9
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P 6/ 13
Repair
[3] DISASSEMBLY/ASSEMBLY
[3] -4. Clutch section
DISASSEMBLING
Note: When repairing Clutch section, it is recommended to entirely replace Clutch assembly with new one.
However, if required to replace component parts of Clutch assembly, follow the disassembling/assembling
procedure described below.
1) Take out Clutch section (=Clutch assembly) from Angle head complete. (Refer to Figs. 12 and 13)
2) Insert 765025-8 into the hole of Adjust ring complete, and turn it counterclockwise to remove M12 Lock nut:
the pressure of Compression spring 19H will be decreased, and M12 Lock nut can now be removed by turning it
clockwise by hand. (Fig. 19)
3) Remove Adjust ring complete, Flat washer 18, Compression spring 19H from Spindle. (Fig. 20)
4) The following Steel balls can be removed as illustrated in Fig. 21:
Steel ball 3 (13pcs.), Steel ball 4 (3pcs.), Steel ball 5.0 (3pcs.)
Note: Use a screwdriver magnetized with 1R288 for easy removal of Steel balls.
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.
Then remove the screw by turning M5 Torx wrench counterclockwise as illustrated to left in Fig. 22.
The following parts can now be removed from Spindle: Cam D, Cam A on Torx screw side, Flat washer 7.(right in Fig. 22)
Fig. 19
Fig. 20
Clutch section
(=Clutch assembly)
M12 Lock nut
Adjust ring complete
M12 Lock nut
Flat washer 18
Compression spring 19H
Compression
spring 19H
Adjust ring
complete
Spindle
765025-8
Fig. 21
Steel ball 4 (3pcs.) and Steel ball 5.0 (3pcs.)
can be removed by moving Cam D towards
the threaded end of Spindle.
After removing Steel ball 4 (3pcs.) and Steel ball 5.0 (3pcs.),
Steel ball 3 (13pcs.) can be removed by moving *the Cam on
Torx screw side towards Cam D.
Cam D
Cam A on Torx
screw side
Steel ball 3.0 (13pcs.)
Cam A on Torx screw side
Cam D
Steel ball 4 (3pcs.)
Steel ball 5.0 (3pcs.)
Fig. 22
M5x10 Torx countersunk
head screw
783204-6
Cam D
Cam A on Torx screw side
Flat washer 7
6mm
Spindle
Spindle
M5x10 Torx countersunk
head screw
T25 Torx wrench (T25 of 1R145)
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P 7/ 13
Repair
[3] DISASSEMBLY/ASSEMBLY
[3] -4. Clutch section (cont.)
ASSEMBLING
Do the reverse of the disassembling steps.
Note:
When fastening M5x10 Torx countersunk screw to Spindle, do as described in Fig. 23.
Apply Makita grease N. No.2 to all Steel balls and the Spindle's threaded portion for enaging with M12 Lock nut
before assembling. (Fig. 1) Be careful not to put the grease in the threaded hole of Spindle.
Fig. 23
1R219
M5x10 Torx countersunk head screw
Clean up this threaded portion with gasoline
or kerosene to remove oil or grease.
1R220
1R222
Clean up this threaded hole with gasoline
or kerosene to remove oil or grease from
the inner threaded portion.
Put about three drops of Loctite 603 in this
threaded hole.
1R314
Fix Spindle in vise.
Then fasten M5x10 Torx countersunk head screw to
the recommended torque of 8-10N.m by turning
clockwise using 1R219, 1R220, 1R222 and 1R314.
Note: Wipe away any adhesive that might ooze out.
Spindle
[3] -5. Gear case section
DISASSEMBLING
1) Remove Light cover, Switch lever and Compression spring 2. See [3] -1 on page 5.
2) Remove four M4x22 Pan head screws to separate Angle head complete from the machine. (See [3] -3 on page 7.)
3) Remove seven M3x20 Pan head screws to separate Housing (L) from (R).
4) Remove Switch unit from Gear case section.
5) Separate Gear case section from Motor control unit by first lifting them up, then turning Motor bracket counterclockwise.
(Fig. 24)
6) Pull off Motor bracket from Rotor, and then pull off Rotor from Motor control unit.
7) Remove Lock washer located in Gear case by turning counterclockwise with pliers or slotted screwdriver. (Fig. 25)
8) Remove Spur gears, Internal gear 47, Carrier complete B and Ball bearing 6805LLB.
Fig. 24
Fig. 25
Gear case section
Motor bracket
Motor control unit
Lock washer
Gear case section
Turn Lock washer counterclockwise using pliers
or slotted screwdriver, and
Remove from Gear case section.
Turn Motor bracket counterclockwise, and then
Separate Gear case section from Motor control unit.
Caution for Handling Rotor
Fig. 26
When handling or storing multiple Rotors, be sure to provide
the minimum distances specified in Fig. 26 between Rotors.
Rotor is a strongly magnetic body.
10.0 mm
(3/8")
Therefore, failure to follow this instruction could result in:
Finger injury caused by pinching between Rotors pulling
each other
15.0 mm
(9/16")
Magnetic loss of Rotors
19.9 mm(13/16")
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P 8/ 13
Repair
[3] DISASSEMBLY/ASSEMBLY
[3] -5. Gear case section (cont.)
ASSEMBLING
1) After applying Makita grease N No.2 to teeth of all Spur gears, shafts of Carrier complete B and shafts of Spur gear 9
complete A, assemble Ball bearing 6805LLB and Carrier complete B to Gear case. (Fig. 2) Then assemble Internal gear
47 and Spur gears from the opposite side.
2) Install Rotor on Motor control unit as described below;
Fix Motor control unit on table or the like, and insert Rotor
slowly into Motor control unit until it touches the surface
of the table. Then lift up Motor control unit gradually
until it stops. (Fig. 26)
Fig. 26
Caution:
1. Because Rotor is a strong magnet, be sure to remove metal chips
or debris from it before installation, be very careful not to pinch
your fingers between Rotor and metal parts, etc.
2. Be careful not to shock the printed wiring board of Motor
control unit.
Fix Motor control unit, and insert Rotor.
Lift up Motor control unit until it stops.
Fig. 27
3) Install Lock washer on Gear case, then put Motor bracket on
Gear case, and turn it clockwise to lock in place.
4) Assemble Gear case section and Motor control unit to Housing (R)
so that Lead wires of Motor control unit and the Switch unit
installation portion on Gear case faces the side of the LED - Trigger
switch line. (Fig. 27)
Motor
control
unit
Gear
case
When assembling, fit the boss on Housing (R) in the notch in
Motor control unit. (Fig. 28)
5) Set Switch unit in place on Gear case.
Lead wires
Switch unit installation portion
Fig. 28
6) Assemble the following parts to Housing (R) in numerical order:
1. Controller of Motor control unit
2. Terminal
notch
Motor
control
unit
3. LED circuit
4. Gear case section to which Motor control unit is assembled
Put Lead wires in place while taking care not to pinch them.
After putting Switch section in place, install Plate and Lens.
Then fasten Housing (L) to (R) with seven M3x20 Pan head screws.
(Fig. 29)
Housing (R)
Caution: When disconnecting connectors, do not pull lead wires.
(Fig. 30)
boss
Fig. 29
Plate
Lens
Fix lead wires with
lead wire holders.
Fix lead wires with
Lead wire holders.
rib of Cover
Face the rib of Cover to
Terminal side and insert
the cover to Housing set.
Terminal
Cover
Fig. 30
Color of Lead wires
Blue, Black
Switch unit
for Clutch
Switch unit
(ON/OFF)
Switch unit for
F/R change
Yellow, White
Yellow, Blue
Purple, Yellow
Red, Black
LED circuit
Terminal
Positive: Red
Negative: Black
Power supply circuit
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P 9/ 13
Repair
[3] DISASSEMBLY/ASSEMBLY
[3] -6. Switch section
DISASSEMBLING
(1) Remove Light cover, Compression spring 2 and Switch lever illustrated in Fig. 12.
(2) Separate Angle head complete from Housing set as illustrated in Fig. 13. However, no need to remove Clutch assembly.
(3) Remove Housing set (L) and seven M3x20 Pan head screws, and then remove Switch section as illustrated in Fig. 31.
Fig. 31
Housing set (L)
Housing set (R).
Switch section
M3x20 Pan head screw (7pcs.)
Fig. 32
(4) Remove Switch unit in Trigger while expanding the ribs. (Fig. 32)
(5) Switch unit for rotation reverse can be replaced first by removing
PT3x16 Tapping screw, then removing Cover.
ribs
Now the following parts can also be replaced:
F/R Change lever, Leaf spring, Switch lever (A), Compression spring 4
Switch unit in Trigger
ASSEMBLING
Fig. 33
(1) Put Leaf spring in place on F/R Change lever, and Compression spring 4
on Switch lever A.
protrusion on
F/R Change lever
(2) Put F/R Change lever, Switch lever and Switch unit for rotation reverse
in place; at this time, fit the protrusion on F/R Change lever in Switch
lever A. (Fig. 33)
Then, fasten the above parts with PT3x16 Tapping screw while holding
them with Cover.
Switch lever A
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P 11/ 13
Wiring diagram
Wiring around Controller
Fig. D-2
Route Lead wires
rib (A)
(orange, white, blue)
from Controller to Stator
between the two pins.
Route Lead wires from
Switch unit (for rotation
reverse) between rib (A)
and rib (C).
pin
Switch
Put Connectors and
the slack portion of
rib (B)
Lead wires in the space
between ribs (A)- (B)- (C)
and pins- rib (D)- boss.
Route Lead wires from
Switch unit (for Trigger)
between rib (B) and rib (C).
rib (D)
rib (C)
Connector
boss
Controller
Put Power supply circuit
with Sponge on Housing (L) side.
Put Connector and Lead
wires from Controller to
Power supply circuit
between the ribs on
Controller.
Power supply
circuit
Sponge
Connector
rib
Put Lead wires from Controller
to Power supply circuit on the
groove on Controller.
groove
RF unit
Terminal
Install Receptacles on Terminal as illustrated below.
Route Lead wires that connects Power supply circuit
with RF unit between three pins as illustrated below.
Receptacle
pin
Lead wire (black)
Lead wire (red)
pin
Terminal
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P 12/ 13
Wiring diagram
[2] Wiring around Stator
Fig. D-3
Connector (to LED circuit)
Switch unit (for Clutch)
Put Connectors and the slack
portion of Lead wires in the space
between rib (E) and the inside
wall of Housing.
inside wall of Housing
Connector
Route the following Lead wires from Controller
between rib (E) and the inside wall of Housing:
*Lead wires to LED circuit
rib (E)
*Lead wires to Switch unit (for Clutch)
At this time, place these Lead wires so that the
tape is positioned beside Printed wiring board.
Printed wiring board
pin
tape
Route three Lead wires
(orange, white, blue) from
Controller to Stator between
the pin and Stator.
Stator
Lead wire holder
First, put the following Lead wires
from Controller in place:
*Lead wires to LED circuit
*Lead wires to Switch unit (for Clutch)
Then, fix Lead wires (orange, white, blue)
from Controller to Stator with this Lead
wire holder.
rib (F)
rib (G)
Route six Lead wires (orange, black, white,
yellow, blue, red) from Controller to Stator
between rib (F) and rib (G).
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P 13/ 13
Wiring diagram
Wiring of Lead wires of LED circuit
Fig. 4
Route Lead wires
under the two tabs.
LED circuit
tabs viewed from
left side
tab
Light holder
Make sure that
Lead wires are tight
between this portion.
Route Lead wires between
these ribs.
rib
Switch unit
Connector
Put Connectors and the slack portion
of Lead wires in this space.
Note:
Be careful not to put Connectors or
the slack portion of Lead wires on
the ribs around LED circuit.
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