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Makita BHP448 Technical Information

14.4v cordless hammer driver drill
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T
ECHNICAL INFORMATION
Model No.
Description
C
ONCEPT AND MAIN APPLICATIONS
Model BHP448 is a successor model of BHP444, featuring:
• Extremely compact tool size with an overall length of 225mm (8-7/8") -
the shortest in its class
• High power and productivity achieved with new DC motor (FD31-30)
• Enhanced dust and drip-proof performance to ensure reliable operation
even under bad weather.
• Equipped with Battery fuel gauge for increased maneuverability.
Note: This product is not compatible with 14.4V-1.3Ah battery BL1415.
This product is available in the following variations.
Model No.
Type
BHP448Z
No
BHP448RFE
BL1430
BHP448RFE3
BL1430
BHP448ZX
No
BHP448RFX
BL1430
S
pecification
Voltage: V
Capacity: Ah
Battery
Energy capacity: Wh
Cell
Charging time (approx.): min.
No load speed:
min
¹=rpm
ˉ
Impacts per minute:
min
¹=ipm
ˉ
Capacity of drill chuck: mm (")
Capacity: mm (")
Torque setting
Clutch torque setting: N.m (in.lbs)
Max lock torque: N.m (in.lbs)
Max fastening
torque: N.m (in.lbs)
Electric brake
Mechanical speed control
Variable speed control
Reversing switch
LED job light
Weight according to
EPTA-Procedure 01/2003*
* with Battery BL1430
S
tandard equipment
+ – bit 2-45 ................ 2
Bit holder .................. 1
Note: The standard equipment for the tool shown above may vary by country.
O
ptional accessories
Fast charger DC18RA
(for US, Canada, Guam, Panama, Mexico and Colombia)
Fast charger DC18RC
(for all countries except the countries above)
BHP448
14.4V Cordless Hammer Driver Drill
Battery
Battery
Charger
cover
Quantity
No
No
2
1
DC18RC
3
2
DC18RC
No
No
2
1
DC18RC
High
Low
High
Low
Steel
Wood
Masonry
Soft joint
Hard joint
: kg (lbs)
4
Belt clip ..................... 1
Grip assembly ............ 1
Plastic
Systainer
carrying
case
case
No
No
No
Yes
No
Yes
No
No
No
Yes
No
Yes
14.4
3.0
44
Li-ion
22 with DC18RC (DC18RA
0 - 1,800
0 - 350
0 - 27,000
0 - 5,200
1.5 (1/16) - 13 (1/2)
13 (1/2)
65 (2-9/16)
14 (9/16)
21 stage + drill mode
1.0 - 10.0 (9 - 89)
67 (590)
43 (380)
77 (680)
Yes
Yes (2 speeds)
Yes
Yes
Yes
2.2 (4.9)
Depth rod ................... 1
Charger DC18SD
Charger DC24SC
Automotive charger DC18SE
Battery BL1430
W
Dimensions: mm (")
Housing
color
Length (L)
Width (W)
Height (H)
Makita
blue
)
*3
Battery protectors
Drill bits for wood
Drill bits for steel
Drill bits for masonry
PRODUCT
P 1/ 12
L
H
225 (8-7/8)
79 (3-1/8)
259 (10-1/4)
Driver bits

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  Summary of Contents for Makita BHP448

  • Page 1 Description 14.4V Cordless Hammer Driver Drill ONCEPT AND MAIN APPLICATIONS Model BHP448 is a successor model of BHP444, featuring: • Extremely compact tool size with an overall length of 225mm (8-7/8") - the shortest in its class • High power and productivity achieved with new DC motor (FD31-30) •...
  • Page 2: Necessary Repairing Tools

    P 2/ 12 epair CAUTION: Repair the machine in accordance with “Instruction manual” or “Safety instructions”. [1] NECESSARY REPAIRING TOOLS Code No. Description Use for (Use this tool if Drill chuck cannot be removed by the method of 1R359 Drill chuck removing tool described in “[3]-1 Drill chuck disassembling”.) Hex wrench 10 removing/ mounting Drill chuck...
  • Page 3 P 3/ 12 epair [3] DISASSEMBLY/ASSEMBLY [3] -1. Drill Chuck (cont.) ASSEMBLING (1) Set the machine. (Fig. 5 and 6) (2) Set Hex wrench 10 to vise and described in Fig. 3. (3) Set Drill chuck in place. (Fig. 7) Fig.
  • Page 4 P 4/ 12 epair [3] DISASSEMBLY/ASSEMBLY [3] -2. Gear Assembly, Motor Section DISASSEMBLING After removing Drill chuck (Re: Figs. 1, 2, 3 and 4), disassemble Motor section and Gear assembly. (Figs. 8 and 9) Fig. 8 1. Remove two 3x16 Tapping screws and Rear cover. 2.
  • Page 5 P 5/ 12 epair [3] DISASSEMBLY/ASSEMBLY [3] -2. Gear Assembly, Motor Section (cont.) ASSEMBLING (1) Assemble Motor section taking the reverse step of Disassembling. Refer to Fig. 9. Insert Armature into Yoke unit as drawn in Fig. 10. Fig. 10 [Correct] [Wrong] Yoke unit has to be assembled to Armature so that its notch is located...
  • Page 6 P 6/ 12 epair [3] DISASSEMBLY/ASSEMBLY [3] -2. Gear Assembly, Motor Section ASSEMBLING (5) Assemble Speed change lever assembly as drawn in Fig. 12. Fig. 12 front Compression spring 4 Pin on the lever of Gear assembly 1. Apply the front Compression spring 4 of Speed change lever Drill chuck assembly to the flat side...
  • Page 7 P 7/ 12 epair [3] DISASSEMBLY/ASSEMBLY [3] -2. Gear Assembly, Motor Section (cont.) ASSEMBLING (7) Make sure Brush holder complete and Yoke unit are precisely mounted to Housing R. See upper drawing in Fig. 14. And then, mount Housing R to Housing L as drawn in Fig. 14. Fig.
  • Page 8 P 8/ 12 epair [3] DISASSEMBLY/ASSEMBLY [3] -3. F/R Change Lever Fig. 15 ASSEMBLING Prong Put the projection on Switch between the prongs of F/R change lever. (Fig. 15) Projection [3] -4. Switch plate complete Fig. 16 ASSEMBLING Housing R side Insert Switch plate complete to Housing L, Set Switch plate complete facing its symbol of Fuel gauge to...
  • Page 9: Circuit Diagram

    P 9/ 12 ircuit diagram Fig. D-1 Circuit with Battery fuel gauge available for the countries other than North American countries Color index of lead wires' sheath Yellow Black Blue Brush holder complete Red Lead wire is used for some countries instead of white.
  • Page 10 P 10/ 12 iring diagram Fig. D-4 Wiring to Switch Fix the FET Lead wires as follows: Connect the Lead wires to Switch, tilting their yellow with Lead wire holder nearest to Switch trigger Connectors to 45 degrees as drawn below. blue with the center Lead wire holder 45 degrees black with Lead wire holder farthest from Switch trigger...
  • Page 11 P 11/ 12 ircuit diagram Fig. D-1A Circuit without Battery fuel gauge available exclusively for North American countries Color index of lead wires' sheath Yellow White Black Blue Brush holder complete Switch Terminal iring diagram Fig. D-2A Fig. D-3A Wiring of LED Lead Wires Wiring to Terminal (before setting Switch) Fix the LED lead wires...
  • Page 12 P 12/ 12 iring diagram Fig. D-4A Wiring to Switch Fix FET Lead wires as follows: Connect Lead wires to Switch, tilting their yellow with Lead wire holder nearest to Switch trigger Connectors to 45 degrees as dran below. blue with the center Lead wire holder 45 degrees black with Lead wire holder farthest from Switch trigger yellow...

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Bhp448zBhp448rfeBhp448rfe3Bhp448zxBhp448rfx