Text preview for : BFT121F-TE.pdf part of MAKITA BFT121F-TE MAKITA BFT121F-TE.pdf
Back to : BFT121F-TE.pdf | Home
T ECHNICAL INFORMATION
Models No. BFT121F L
PRODUCT
P 1 / 18
Description Cordless Screwdriver 12V
CONCEPTION AND MAIN APPLICATIONS
The above model with built-in job light is the 12V version
of BFT120F for getting high turning angle in the fastening
with soft joint. H
W
Dimensions : mm ( " )
w/ 3.3 Ah battery w/ 2.0 Ah battery
Length ( L ) 174 (6-7/8)
Width ( W ) 71 (2-13/16)
Height ( H ) 288 (11-11/32) 265 (10-7/16)
Specification
Type of cell NiMH
Battery Voltage : V 12.0
Capacity : Ah 2.0 / 3.3
No load speed : min-1 = rpm 340
Driving shank : mm ( " ) 6.35 (1/4) Hex
Fastening torque : N.m (in.lbs) 5 - 12 (44.3 - 106)
LED Job light Yes
Electric brake Yes
Torque adjustment Yes (possible to adjust with adjust grip)
Soft starter Yes
Reverse switch Yes
1.5 (3.3) with 2.0 Ah battery
Net Weight : Kg (lbs)
1.7 (3.9) with 3.3 Ah battery
Standard equipment
* Adjust grip for pre-setting torque ............................... 1 pc. (only for Italy and USA.)
* Protector ..................................................................... 1 pc. (only for Germany)
< Note > The standard equipment for the tool shown may differ from country to country.
Optional accessories
* Battery BH1220 12V, 2.0Ah * Protectors (red, blue, yellow)
* Battery BH1233 12V, 3.3Ah * Adjust grip for pre-setting torque
* Charger DC24SA * Grip base set
* Charger DC14SA * Grip 37
* Automatic refreshing adapter ADP03
P 2 / 18
Features and benefits
BFT121F
*Higher Torque Accuracy Light Tool Weight
Torque accuracy: 100g lighter than tools of 6796D series.
Plus or minus 10%, Plus or minus 3 sigma,
Cm is more than or equal to 1.67
Bit sleeve, coated with D28 type motor with the
Adjust grip rubber for protection following features.
Without using this adjust grip, the materials from scratch, * Externally accessible brushes.
it is impossible to adjust the etc. * Replaceable armature
fastening torque. * Uses compact and light, yet
powerful rear earth magnet
Front plate (only for Germany)
Without removing this
front plate, it is impossible Indication lamp and beeper inform
to change the fastening operator of the following matters
torque which has been * Sufficient fastening : Green on
previously set by factory. * Insufficient fastening : Red on
and beeping
LED Job Light * Warning that remaining battery
power is little. : Red on and beeping
* Too little battery power to rotate
Conveniently located the machine. : Motor stops with
push button type reverse switch Red on and beeping
Refer to Page 3 in detail.
ON-OFF switch with
the following features.
* Delayed re-starter for Colored aluminum plate for
reducing deviation by distinction of the torque range
unintentional over tightening.
* Soft start for suppressing the
starting shock.
Starts 0.2 sec. after pulling
switch trigger.
Anti-slip dimpled grip
High turning angle in soft joint,
The body, assembled with with Battery BH1233
machine screws for easy 12V, 3.3Ah .
repairing
Protector
By mounting this protector to Auto stop system
BFT120 or BFT121, the materials by sensing battery's
(such as automobile's body on the power drop.
assembling line) can be protected
from the scratch, etc.
Features and benefits P 3 / 18
Indication lamp, buzzer and auto stop system
In case of no trouble on the result of work and on the machine, the lamp and beeper inform of the following matters.
Lamp Beeper Auto stop What the lamp, beeper and auto stop system inform of.
Lights up in the A series of Under testing the function of indication
order of green, short beeps lamp and beeper, when installing battery.
red and white.
Finish of single fastening process with reaching
the pre-set fastening torque.
Lights up At this time, clutch works and delayed restarter
No beep ON
in green. keeps the motor still for one second after finishing
sufficient fastening process, to avoid the unintentional
over-tightening which will occur by mis-operation
of switch trigger.
In case of trouble on the result of work, or on the machine, the lamp and buzzer inform of the following matters.
What the lamp, beeper and
Lamp Beeper Auto stop auto stop system inform of. Action to be taken
Insufficiently finished single Try again to fasten the screw
Lights up A long fastening process, without or bolt.
in red. beep reaching the pre-set fastening It is important to pull the switch
torque. trigger on, until clutch works.
Remaining battery Motor rotates on, however, it is
A series power is little. recommended to replace with
Flickers in red of long the fully charged battery in the
slowly. beeps appropriate time.
Impossible to fasten screws Immediately replace the
A long or bolts with the pre-set old battery with the fully
Lights up beep ON
fastening torque any more. charged battery.
in red.
Lights up in A series Warning of abnormal drop of Motor does not rotate in spite of
red and green of long battery voltage for some pulling switch trigger.
ON
alternately. beeps reason. The warning by lamp and buzzer
stops with removing battery.
A series Warning of over heat on Remove the battery immediately
Flickers controller. and cool the machine down.
of short ON
in red
beeps
quickly.
Flickers in Trouble on clutch system. Ask MAKITA authorized or
A series
red and green factory service center for repair
of long ON
alternately. or adjustment.
beeps
The battery has been installed Release the switch trigger.
Lights up in A series with keeping switch trigger
red and green of long ON pulled.
alternately. beeps
Features and benefits P 4 / 18
Identification Plate for BFT120F Series Models
BFT120F Series Models (BFT120, BFT120F, and BFT121F ) are equipped with
Identification Plates for easy control in your factory.
Even if the name plates would fall off the machines, or even if it is too difficult to read the indications from the worn
name plates, BFT120F Series Models can be easily identified from the identification plate illustrated below.
Colour of the plate : Red
***** Identification number with 5 digits;
5 - 12 With this 5 digits, it can be
Nm identified, (for example) to which
manufacturing section the relative
machine is employed.
The identification number is put
Torque range by MAKITA, independent of the
serial numbers.
Model BFT120, BFT120F and BFT121F are equipped with
the above illustrated identification plate.
How to control the BFL080F series models with the identification plate
BFT120F series models are employed in some factory, for example , as listed below.
Employed Indications on the identification plate Employed
Manufacturing model Torque range Identification No. quantity
section A BFT120 5 - 12N.m 00001 - 00250 250
BFT121F 5 - 12N.m 00123 - 00275 153
Employed Indications on the identification plate Employed
Manufacturing model Torque range Identification No. quantity
section B BFT120 5 - 12N.m 00251 - 00300 50
BFT120F 5 - 12N.m 10300 - 10449, 00899, 15689, 152
Employed Indications on the identification plate Employed
Manufacturing model Torque range Identification No. quantity
section C BFT121F 5 - 12N.m 00030 - 00119, 00830 - 00836, 97
BFT120F 5 - 12N.m 50025 - 50099, 00830 - 00836, 15689, 83
You can identify the model No. and to which manufacturing section the relative machine belongs, from the
indications on the plates.
BFT121F or BFT120 employed in BFT120F employed in BFL121F employed in
manufacturing section A manufacturing section B manufacturing section C
or BFT120 in manufacturing
section A
00237 00899 00117
5 - 12 5 - 12 5 - 12
Nm Nm Nm
Identify the products with the following points in these cases.
* Battery's voltage, 9.6V or 12V
* LED job light
.
Features and benefits
Limit capacity table
The capacity of the battery equipped for test is 2.0Ah
Model BFT120 / F Model BFT121F
P 5 / 18
360