Makita Cordless Drill 6271D User Manual

ECHNICAL INFORMATION  
PRODUCT  
P 1/ 7  
T
Models No.  
Description  
6271D  
L
12V Cordless Driver Drill 10mm (3/8")  
CONCEPT AND MAIN APPLICATIONS  
Model 6271D has been developed as the successor model of 6270D, featuring:  
Single sleeve keyless drill chuck for easy bit installation/removal  
New tool design  
H
Model 6271D is available in the following variations.  
Battery  
type  
Rechargeable Plastic carrying  
Battery  
cover  
Model No.  
Charger  
No  
W
quantity  
flashlight  
case  
Dimensions: mm (")  
6271DZ  
No  
---  
1
No  
1
No  
No  
Length (L) 192 (7-9/16)  
Width (W) 95 (3-3/4)  
6271DW  
No  
1220  
(Ni-Cd 1.3Ah)  
DC1414  
Yes  
Yes  
6271DWE  
6271DWLE  
6271DWPE  
6271DWPLE  
2
2
2
2
2
2
2
2
Height (H)  
240 (9-1/2)  
ML120  
No  
PA12  
(Ni-Cd 1.3Ah)  
DC1414  
DC1414  
DC1414  
ML120  
6271DWAE  
No  
1222  
(Ni-Cd 2.0Ah)  
Yes  
Yes  
6271DWALE  
ML120  
6271DWDE  
No  
1234  
(Ni-MH 2.6Ah)  
6271DWDLE  
ML120  
Also, the models include the accessory listed in "Standard equipment".  
Specification  
Voltage: V  
12  
Battery Capacity: Ah  
1.3/ 2.0/ 2.6  
Cell  
Max output: W  
Ni-Cd/ Ni-Cd/ Ni-MH  
165  
High  
Low  
0 - 1,300  
No load speed:  
min-1=rpm  
0 - 400  
Capacity of drill chuck: mm (")  
0.8 - 10 (1/32 - 3/8)  
Steel  
10 (3/8)  
25 (1)  
Capacity: mm (")  
Wood  
Torque setting  
16 stage + drill mode  
Clutch torque setting: N.m (in.lbs)  
Lock torque: N.m (in.lbs)  
1.0 - 4.0 (9 - 35)  
28 (250)  
Hard joint  
Soft joint  
30 (260)  
Max. fastening  
torque: N.m (in.lbs)  
18 (160)  
Yes  
Electric brake  
Mechanical speed control  
Variable speed control  
Yes (2 speed)  
Yes  
Reverse switch  
Yes  
Net weight [with Battery 1220]: kg (lbs)  
1.5 (3.3)  
Standard equipment  
+- Bit 2-65 (double-end) ........ 1 pc  
Note: The standard equipment for the tool shown above may differ by country.  
Optional accessories  
Drill bits for wood  
Drill bits for steel  
Driver bits  
Battery 1220 Battery 1234 Battery 1235A Charger DC1414 Fast charger DC1439  
Battery 1222 Battery 1235 Battery PA12 Charger DC1804 Automotive charger DC1822  
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P 3/ 7  
Repair  
[3] DISASSEMBLY/ASSEMBLY  
[3]-2. Gear Ass’y, DC Motor  
DISASSEMBLING  
(1) Remove Keyless drill chuck.  
(2) Gear ass’y and DC Motor can be disassembled in the order of Figs. 3, 4, 5, 6 and 7.  
Fig. 3  
Fig. 4  
Gear ass’y  
Housing set (R)  
3x16 Tapping  
screw (9pcs.)  
Speed change lever ass’y  
DC motor  
Housing set (L)  
Housing set (L)  
Remove Gear ass’y, Speed change lever ass’y and  
DC motor with Switch from Housing set (L) as  
illustrated above.  
Disassemble Housing set (R) by unscrewing  
3x16 Tapping screws (9 pcs.).  
Fig. 5  
Fig. 6  
Gear ass’y  
DC motor  
notch of Speed  
change lever  
ass’y  
protrusion of  
Gear ass’y  
Motor bracket  
Pull off Gear ass’y while turning  
it clockwise viewed from DC  
motor side.  
Remove Speed change  
lever ass’y from Gear  
ass’y.  
Now Gear ass’y can be replaced.  
Fig. 7  
M3x6 Pan head  
screw (2pcs.)  
Motor bracket  
DC motor  
Remove DC motor from Motor  
bracket by unscrewing M3x6  
Pan head screws (2pcs.).  
Now DC motor can be replaced.  
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P 4/ 7  
Repair  
[3] DISASSEMBLY/ASSEMBLY  
[3]-2. Gear Assembly, DC Motor  
ASSEMBLING  
The following portions of DC motor, Motor bracket and Gear ass’y have to face the same side. (Fig. 8)  
* Red point mark (designated as plus terminal) on DC Motor  
* None of protrusion side of Motor bracket  
* Gear assembly’s protrusion  
Fig. 8  
protrusion of Gear ass’y  
none of protrusion  
side  
red point mark  
on DC motor  
Motor bracket  
Gear ass’y  
Do not face the protrusion of  
Motor bracket to the protrusion  
of Gear ass’y and the red  
DC motor  
point mark on DC motor.  
[3]-3. Speed Change Lever  
ASSEMBLING  
(1) When assembling Speed change lever ass’y, make sure two Compression springs are assembled to its bottom  
in advance. (Fig. 9)  
(2) Fit the protrusion of Gear ass’y into Compression spring 4 in Speed change lever ass’y . (Fig. 10)  
(3) After mounting, set Speed change lever ass’y to low speed mode or high speed mode. (Fig. 11)  
Fig. 10  
Fig. 9  
Compression  
spring 4 (2pcs.)  
protrusion of Gear ass’y  
Speed change lever  
ass’y  
Fig. 11  
1: Low speed mode  
2: High speed mode  
Speed change  
lever ass’y  
Slide Speed change lever to either of  
the direction designated in arrow, and hold  
the position.  
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P 5/ 7  
Repair  
[3] DISASSEMBLY/ASSEMBLY  
[3]-4. Leaf Spring  
ASSEMBLING  
Before assembling Gear ass’y and DC motor, Leaf spring has to be mounted to Housing set (L) as illustrated in Fig. 12.  
Fig. 12  
Housing set (L)  
Leaf spring  
Leaf spring  
[3]-5. F/R Change Lever  
ASSEMBLING  
F/R Change lever can be assembled to Switch as illustrated in Fig. 13.  
Fig. 13  
Now F/R change lever is  
mounted to Switch.  
Fit the protrusion of Switch to the prong  
of F/R Change lever.  
Prong  
Protrusion  
F/R Change lever  
protrusion  
F/R Change Lever  
Switch  
Switch  
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P 6/ 7  
Circuit diagram  
Fig. D-1  
Connecting of Lead Wire (red)  
to DC Motor  
Color index of lead wires' sheath  
Black  
Red  
red point mark  
Connect Lead Wire (red) to  
the Terminal marked with  
red point mark.  
DC Motor  
Switch viewed from  
Housing set (L) side  
Switch viewed from  
Housing set (R) side  
M2  
M1  
Switch  
Switch  
Lead wires of DC Motor are connected  
to Switch as follows.  
* Lead wire (red): to Terminal “M1”  
* Lead wire (black): to Terminal “M2”  
Battery holder  
The terminal of this  
protruded side is plus.  
Housing set (R) side  
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P 7/ 7  
Wiring diagram  
Fig. D-2  
Housing set (L)  
Rear view of  
Housing set (L)  
Red point  
mark  
DC Motor  
DC Motor has to be so  
assembled to Housing set (L)  
that its Red point mark  
is positioned on the back  
bone side of the machine.  
Switchs’ Lead wires (black, red)  
have to be fixed with Lead wire  
holder.  
Switch’s lead  
wire (black)  
Switch’s lead  
wire (red)  
Battery holder  
Rear side  
Front side  
Fig. D-2A.  
Switch’s Lead  
wire (black)  
Battery holder  
Connect Switch’s Lead wire (black) to  
Battery holder while facing it to rear side.  
Switch’s Lead  
wire (red)  
Rear side  
Front side  
This protruded Side is fitted  
to Housing set (R).  
Connect Switch’s Lead wire (red) to  
Battery holder while facing it to front side.  
Housing set (R) Side  
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