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Instruction Manual
T
ECHNICAL INFORMATION
Models No.
Description
C
ONCEPTION AND MAIN APPLICATIONS
The above cordless screwdriver series enable you to work
also in the hazardous location which is defined by
UL1604, Class I, Division 2.
The conformation to UL1604, Class I, Division 2 has been achieved by using
1. Brush-less DC motor for spark-free armature rotation.
2. Battery inter lock system
In addition to the above features, they have the following features.
* Soft start for suppressing starting shock
* Delayed restarter for avoiding unintentional over fastening
* Indication lamp, informing operator of the result of
fastening
They come to market wit the following model name and the specification.
BFH040
BFH040SAE
BFH040F
BFH040FSAE
BFH090
BFH090SAE
BFH090F
BFH090FSAE
BFH120F
BFH120FSAE
S
pecification
Model No.
Type of cell
Voltage : V
Battery
Capacity : Ah
No load speed : min
Fastening torque
: N.m
(in.lbs)
LED Job Light
Driving shank
Electric brake
Torque adjustment
Soft starter
Reverse switch
Over load protector
w/ 2.0Ah battery
Net weight
: Kg (lbs)
w/ 3.3Ah battery
S
tandard equipment
* Battery BH1220 ...................................................... 2 pcs.
* Charger DC14SA .................................................... 1 pc.
* Torque adjust tool ................................................. 1 pc.
* Accessory case ........................................................ 1 pc.
* Steel carrying case .................................................... 1 pc.
< Note > The standard equipment for the tool shown may differ from country to country.
O
ptional accessories
* Battery BH1220
* Battery BH1233
* Charger DC14SA
* Charger DC24SA
BFH040, BFH040F, BFH090, BFH090F, BFH120F
12V Cordless Screwdrivers
* Battery 1220 x 2pcs.
* Charger DC14SA
with
* Torque adjsut grip
* Accessory case
* Steel carrying case
BFH040
= rpm
-1
0.8 - 4.5
Hard joint
(7 - 40)
0.8 - 4.5
Soft joint
(7 - 40)
No
* Adjust grip
* ADP 03 Automatic Refreshing Adapter
Length (L)
Width (W)
Height (H)
BFH040F
BFH090
Ni-MH
12
2.0 Ah with battery BH1220
3.3 Ah with battery BH1233
400
3.4 - 9.0
(30 - 80)
3.4 - 9.0
(30 - 80)
Yes
No
Hex 6.35mm (1/4")
Yes
Yes (Adjust grip is required.)
Yes
Yes
Yes
1.5 (3.3)
1.8 (4.0)
L
W
Dimensions (mm [inch])
190 [7-1/2]
71 [2-13/16]
With BH1220
266 [10-1/2]
With BH1233 289 [11-3/8]
BFH090F
BFH120F
5 - 12
(44 - 106)
5 - 12
(44 - 106)
Yes
Yes
PRODUCT
P 1 / 17
H
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Summary of Contents for Makita BFH040
- Page 1 ECHNICAL INFORMATION PRODUCT P 1 / 17 BFH040, BFH040F, BFH090, BFH090F, BFH120F Models No. Description 12V Cordless Screwdrivers ONCEPTION AND MAIN APPLICATIONS The above cordless screwdriver series enable you to work also in the hazardous location which is defined by UL1604, Class I, Division 2.
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Page 2: 44 6805Llb
P 2 / 17 epair < 1 > Lubrication Apply MAKITA grease N. No.2 to the following portions designated by black triangle to protect parts and product from unusual abrasion. See Fig. 1. Ball bearing Gear case 6805LLB Lock washer Motor bracket Fig. -
Page 3: Position
P 3 / 17 epair < 4 > Disassembling spindle (as a bit holder) and clutch case ( 1 ) After removing bit holder section, remove ring 38 by unscrewing pan head screw M4x4, and clutch case cover by unscrewing pan head screw M4x8. And then, remove compression spring 2 and switch lever. See Fig. 3. ( 2 ) Remove clutch case by unscrewing 4 pcs. -
Page 4: Position
P 4 / 17 epair < 6 > Assembling spindle (as a bit holder) and clutch case ( 1 ) Set ball bearing 6801LLB on 1R035 "Bearing setting plate". Mount spindle to ball bearing 6801LLB by pressing with arbor press. See Fig. 8 ( 2 ) Mount ring 12 to spindle. - Page 5 P 5 / 17 epair ( 8 ) Mount compression spring 2 and switch lever. And secure clutch case cover with pan head screw M4x8 (black). See Fig. 15. ( 9 ) Secure ring 38 to clutch case with pan head screw M4x4 (silver). See Fig. 16. Pan head screw M4x8 (black) Clutch case cover...
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Page 6: Position
(1) Before mounting, take the following steps. See Fig. 24. 1. Apply MAKITA grease N. No.2 to 3 pcs. of steel ball 5 and 3 pcs. of steel ball 4. 2. For effective adhesion, clean the screw hole of spindle and torx counter head sunk screw M5x10 with petrol. - Page 7 B. with steel balls 5. (3) Before mounting, apply MAKITA grease N. No.2 to 13 pcs. of steel balls 3.0. Assemble steel balls 3.0, flat washer 7 and torx counter sunk head screw M5x10 as illustrated in Fig. 29, Fig.30 and Fig.
- Page 8 P 8 / 17 epair < 8 > Disassembling motor section and gear section ( 1 ) Remove ring 38, and clutch cover from housing referring to "< 4 > Disassembling spindle (as a bit holder) and clutch case". ( 2 ) After removing clutch section, separate housing L from housing R by unscrewing 8 pcs. of pan head screw M3x20.
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Page 9: Spur Gear
Internal gear 47 < 9 > Assembling motor section and gear section ( 1 ) Referring to "< 1 > Lubrication", apply MAKITA grease N No.2 to the gears and shaft portions of spur gear 9 and carrier complete B. - Page 10 P 10 / 17 epair ( 9) Insert armature into motor control unit. See Fig. 47. The assembling of motor section has been completed in this step. (10) Join the motor section to the gear section. See Fig. 48. Motor control unit <Note>...
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Page 11: Compression Spring
P 11 / 17 <10> Disassembling Switch Section (1) Remove Clutch case section and Housing L from Housing R. (2) Remove Switch unit of trigger section by carefully extending hooks. See Fig. 51 (3) And then, by removing Tapping bind screw PT3x16 and Cover, you can disassemble Switch section as illustrated in Fig. - Page 12 P 12 / 17 <12> Disassembling Interlock Section Switch lever B and Lever guide can be removed by carefully expanding hooks of Switch lever B in Interlock section with slotted driver, etc. (Fig. 54) Fig. 54 Slotted driver Switch lever B Lever guide Lever guide Hooks of Switch lever B...
- Page 13 P 13 / 17 ircuit diagram Color index of lead wires' sheath Orange Black White Blue Purple Yellow Gray Switch Section ON/OFF switch Reverse switch Connector Stator of DC brushless Controller motor Terminal Motor control unit Switch unit (interlock) circuit Buzzer Switch unit circuit...
- Page 14 P 14 / 17 iring diagram (2) Wiring near the LED circuit and clutch switch unit Put Controller section in place on Housing R, and install LED circuit on Housing R. And then as illustrated in Fig. B, pull the following parts out of Housing R: Lead wires and Connectors from LED circuit, Clutch switch unit. Fig.
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Page 15: Ring
P 15 / 17 (4) Wiring near the buzzer circuit and interlock switch Place the lead wires from Buzzer between the boss and the wall of Housing R as illustrated in Fig. D. And then fix Interlock switch unit to Housing R by fitting the through holes of the Switch unit to the bosses on Housing R as illustrated in Fig. - Page 16 P 16 / 17 2. After connecting flag receptacles, set Terminal in place on Housing R, and put the lead wires (black one and red one), which connect Terminal to Motor control unit, on the lead wires from Interlock switch unit illustrated in Fig. G. And then apply gentle pressure to lead wires (black one and red one) in order to hold down the lead wires which is laid under them.
- Page 17 P 17 / 17 iring diagram (7) Handling connectors You can disconnect the connectors which connects up the 6 units/circuits listed below by pulling the connectors to the directions designated by the arrows as illustrated in Figs. H, I and J: Buzzer circuit, Interlock switch unit, Switch unit of Trigger section, Switch unit for rotational direction change, Clutch switch unit, LED circuit Note: Never hold the wires when separating the connectors, because they are very thin and fragile.