Service Manuals, User Guides, Schematic Diagrams or docs for : MAKITA BTD120-TE
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T ECHNICAL INFORMATION
Models No.
BTD120
BTW120
PRODUCT
P1/5
Cordless Impact Driver L L
Description
Cordless Impact Wrench
CONCEPTION AND MAIN APPLICATIONS
BTD120 : The advanced version of the existing Mod. 6916D,
equipped with newly developed 12V Ni-MH battery.
BTW120 : The advanced version of the existing Mod. 6918D, H H
equipped with newly developed 12V Ni-MH battery.
The other features of the both models are
* Easy and comfortable operation thanks to its slim grip.
* The bumper, installed to their bodies in order to protect W W
the work piece from scratch and damage during work.
BTW120
The variations of these models are as listed below. BTD120
Battery Dimensions : mm ( " )
Model No. Type No. Cell Capacity Quantity Charger Model No. BTD120 BTW120
Length ( L ) 168 (6-5/8) 176 (6-15/16)
BTD120SA BH1220 Ni-MH 2.0Ah 1 pc.
DC14SA Height ( H ) 251 (9-7/8) 251 (9-7/8)
BTD120SAE BH1220 Ni-MH 2.0Ah 2 pcs.
Width ( W ) 75 (2-15/16) 75 (2-15/16)
BTW120SA BH1220 Ni-MH 2.0Ah 1 pc.
DC14SA
BTW120SAE BH1220 Ni-MH 2.0Ah 2 pcs.
Specification
Model No. BTD120 BTW120
Voltage (V) 12 12
No load speed (min-1=rpm) 0 - 2,300 0 - 2,300
Impact per minute (min-1=bpm) 0 - 3,000 0 - 3,000
Driving shank : mm ( " ) 6.35 (1/4) Hex
Square drive : mm ( " ) 12.7 (1/2)
Standard bolt M5 - M12 (3/16" - 15/32") M8 - M14 (5/16" - 9/16")
High Tensile bolt M5 - M10 (3/16" - 3/8") M6 - M12 (1/4" - 1/2")
Capacities
Machine screw M4 - M8 (5/32" - 5/16")
Self drilling screw 4 - 6mm x 13 - 45mm
N.m 100 120
Max. fastening torque Kgf.cm 1,020 1,220
ft.lbs 73 88
Net weight: kg (lbs) 1.5 (3.3) 1.5 (3.3)
Standard equipment
For BTD120 For BTW120
* Philips bit 2-65 ............................1 pc. * Socket 19-38 ............................1 pc.
(except North and South America, * Pin 4 .........................................1 pc.
Europe and Great Britain) * O ring 24 ..................................1 pc. (except North America)
* Plastic carrying case * Plastic carrying case
< Note > The standard equipment for the tool shown may differ from country to country.
Optional accessories
For BTD120 For BTW120
* Various bit * Various socket
* Various socket bit * Battery BH1220
* Drill chuck set * Battery BH1233
* Bit piece * Charger DC14SA
* Stopper for impact driver * Protector
* Protector
* Battery BH1220
* Battery BH1233
* Charger DC14SA
Features and benefits P2/5
Magnesium alloyed
hammer case
Variable speed control switch
BTD120 Push button for reversing BTW120
Bumper
to protect the work piece
Palm-fitly soft from scratch and damage Palm-fitly soft
and slim grip and slim grip
Newly developed 12V Ni.MH
battery conforming to DC14SA
equipped with cooling fan.
* Shortening the time for cooling
of heated battery
* Long service life.
Comparison of products
Model No. Cordless Impact Driver Cordless Impact Wrench
Specifications BTD120 6916D BTW120 6918D
Voltage (V) 12 12 12 12
Capacity(Ah) 2.0 3.3 2.0 2.2 2.6 3.0 2.0 3.3 2.0 2.2 2.6 3.0
Battery
Energy (Wh) 24.6 39.6 24.6 26.4 31.2 36.0 24.6 39.6 24.6 26.4 31.2 36.0
Cell Ni-MH Ni-Cd Ni-MH Ni-MH Ni-Cd Ni-MH
No load speed : (min -1= rpm) 0 - 2,300 0 - 2,300 0 - 2,300 0 - 2,300
Blows per min : (min -1= bpm). 0 - 3,000 0 - 3,000 0 - 3,000 0 - 3,000
Max. fastening N.m 100 100 120 120
torque Kgf.cm 1,020 1,020 1,220 1,220
ft.lbs 73 73 88 88
Externally accessible brush Yes Yes Yes Yes
Palm-fitting Soft grip Yes Yes Yes Yes
Bumper Yes No Yes No
Length: mm(") 168 (6-5/8) 168 (6-5/8) 176 (6-15/16) 176 (6-15/16)
Width: mm(") 75 (2-15/16) 94 (3-11/16) 75 (2-15/16) 94 (3-11/16)
w/ 2.0Ah battery 251 (9-7/8) 251 (9-7/8)
Height: mm(") 231 (9-1/8) 231 (9-1/8)
w/ 3.3Ah battery 276 (10-7/8) 276 (10-7/8)
w/ 2.0Ah battery 1.5 (3.3) 1.5 (3.3) 1.5 (3.3) 1.6 (3.5)
w/ 2.2Ah battery 1.4 (3.1) 1.5 (3.3)
Net weight
w/ 2.6Ah battery
:Kg (lbs ) 1.5 (3.3) 1.6 (3.5)
w/ 3.0Ah battery
w/ 3.3Ah battery 1.7 (3.7) 1.8 (3.9)
Repair P3/5
< 1 > Disassembling housing R and L
Remove hammer case from housing R and L.
(In case of Model BTW120, anvil can be disassembled from the machine in this process.)
And then, housing R can be separated from housing L.
< 2 > Disassembling sleeve section (only for Model BTD120)
(1) Take off ring spring from the groove on anvil.
(2) Flat washer, compression spring, sleeve
and 2 pcs. of steel ball 3.5 can be removed from anvil.
(3) Anvil can be removed from hammer case.
Compression spring
Ring spring Sleeve Groove Steel ball 3.5
Anvil
Flat washer Fig. 1
(4) When assembling anvil to hammer case, put MAKITA grease N No.2 by approx.0.5g
to the cylindric part of anvil.
< 3 > Disassembling hammer
(1) Press down hammer with 1R045: Large gear extractor
by turning the handle.
(2)Adjust the opening for steel ball inserting to the cam groove top of spindle.
Spindle
(3)Take off steel ball 5.6 from spindle. Cam groove top
< Note > 25 steel balls 3.5 are installed in hammer. of spindle
Check the quantity when assembling.
Steel ball 5.6 x 2
1R045 Large gear extractor
Hammer
Opening for steel
ball inserting
Steel ball 3.5 x 25
Fig. 2
Repair P4/5
(4) Apply MAKITA grease N No.2 to the position No. 1, 2,
3 and 4, when assembling. (1) to Spindle : 0.5g
(3) to Steel ball 5.6 x 2 : 0.5g
Hammer
(2) to Steel ball 3.5 x 25 : 0.5g
Fig. 3
(4) to Spur gear 22 : 2.0g
< 4 > Removing ball bearing 6901LLB
Internal gear case
Ball bearing 6901LLB
Ball bearing 6901LLB can be removed
Give a shock by knocking internal gear case from internal gear case by the shock.
on the table.
Fig. 4
< 5 > Fastening tapping screws
Tapping screws have to be fastened after assembling
hammer case to housing with the following torque.
Adjusted torque on
Part's name torque wrench (tightening tool)
Housing set 1.27 - 1.76Nm {10 - 13 Kgf.cm}
Hammer case 1.76 - 2.16Nm {18 - 22 Kgf.cm}
When hammer case is assembled to housing, screws have to be tightened diagonally as illustrated
in Fig. 5.
Fig.5
P 5 / 5
Circuit diagram
Color index of lead wires
Black
Red
FET
Orange (Field Effect Transistor)
Brush holder
M2 M1
Switch
Wiring diagram
FET Terminal
FET lead wires
Switch
Be careful, so that the insulated Fix lead wires with lead holder.
terminals are not pinched with
boss.
Receptacles have to be
connected as per the
illustration.
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