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Makita HP2050 Technical Information
Makita HP2050 Technical Information

Makita HP2050 Technical Information

2 speed hammer drills 20mm
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T
ECHNICAL INFORMATION
Models No.
Description
C
ONCEPT AND MAIN APPLICATIONS
Makita new 700W class hammer drills with extra low
vibration level, yet with superior working performance has just been
released.
The features and benefits are :
* Slim and smart shape hammer drills, yet loaded with torque limiter
* Extra-low vibration level for comfortable and less fatigue operation
* Model HP2050F and HP2051F are equipped
with built-in job light
* HP2051 and HP2051F are equipped with
keyless drill chucks.
S
pecification
Voltage (V)
110
120
220
230
240
Model No.
No load speed
: (min
= rpm)
-1
Blows per min.
: (min
= bpm)
-1
Keyless chuck
Chuck ability : mm ( " )
Drilling capacity
: mm ( " )
LED job light
Reverse switch
Protection from electric shock
Cord length : m ( ft )
Net weight :Kg (lbs )
S
tandard equipment
* Chuck key S-13 (only for HP2050 and hP2050F) ................. 1 pc.
* Key holder (only for HP2050 and hP2050F) ........................ 1 pc.
* Depth guide ............................................................................ 1 pc.
* Side grip set ........................................................................... 1 pc.
* Plastic carrying case ............................................................... 1 pc.
< Note > The standard equipment for the tool shown may differ from country to country.
O
ptional accessories
* TCT. drill bit 5 - 19mm
* Drill bit for metal 13mm
* Drill bit for wood 40mm
* Center drill bit for hole saw 16 - 90mm
HP2050, HP2050F, HP2051, HP2051F
2 Speed Hammer Drills 20mm
Cycle (Hz)
Current (A)
6.9
50 / 60
6.6
50 / 60
3.4
50 / 60
3.3
50 / 60
3.2
50 / 60
HP2050.
(High)
(Low)
(High)
(Low)
No
(High)
Concrete
(Low)
(High)
Steel
(Low)
(High)
Wood
(Low)
No
* Metal borer 14 - 35mm
* Depth guide
* Wrench 9
* Blow-out bulb
Dimensions : mm ( " )
Model No.
HP2050(F)
Length ( L )
372 (14-1/4)
Height ( H )
Width ( W )
Continuous Rating (W)
Input
Output
720
720
720
720
720
HP2050F
HP2051
0 - 2,900
0 - 1,200
0 - 58,000
0 - 24,000
No
Yes
1.5 - 13.0 (1/16 - 1/2)
20 (3/4)
20 (3/4)
8 (5/16)
13 (1/2)
25 (1)
40 (1-9/16)
Yes
No
Yes
by double insulation
2.5 (8.2)
2.3 (5.1)
* Keyless drill chuck
* Drill chuck set
* Side grip set
* Type 43 drill stand
PRODUCT
L
W
HP2051(F)
360 (14-1/8)
220 (8-5/8)
70 (2-3/4)
Max. Output(W)
360
660
360
660
360
660
360
660
360
660
HP2051F.
Yes
Yes
* Chuck key S-13
(for HP2050, HP2050F)
P 1 / 17
H

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Summary of Contents for Makita HP2050

  • Page 1 Net weight :Kg (lbs ) 2.3 (5.1) tandard equipment * Chuck key S-13 (only for HP2050 and hP2050F) ....1 pc. * Key holder (only for HP2050 and hP2050F) ......1 pc. * Depth guide ................1 pc. * Side grip set ................1 pc.
  • Page 2 (8-5/8) (7-5/8) (7-1/4) (7-1/2) Cord length : m ( ft ) 2.5 (8.2) 2.5 (8.2) 2.5 (8.2) 2.5 (8.2) Net weight 2.6 (5.8) 2.3 (5.1) 2.3 (5.1) 2.5 (5.5) :Kg (lbs ) * measured by MAKITA under the loaded condition...
  • Page 3 150 N * Pressure added to the products : 150 N * When hammer drilling with ø 8mm (5/16") bit * When hammer drilling with ø 12.5mm (1/2") bit MAKITA MAKITA HP2050(F)/HP2051(F) HP2050(F)/HP2051(F) Competitor A Competitor A Model A-1 Model A-1...
  • Page 4 P 4 / 17 epair < 1 > Lubrication Apply MAKITA grease N No.1 to the following portions marked with black triangle to protect parts and machine from unusual abrasion. See Fig. 1. Gear housing Spindle Gear housing Spur gear 29-37 Apply 25g of MAKITA grease N No.1...
  • Page 5 P 5 / 17 epair ( 3) Disassembling gear section See Fig. 3. 1. Separate gear housing cover from gear housing. 2. Pull out lock plate. 3. Then change lever B, pin, rack 12 with change plate B and spur gear 29-37 can be disassembled from gear housing.
  • Page 6: Lock Plate

    P 6 / 17 epair 4. Insert pin 4 through rack 12 into gear housing. Spindle And then, rush rack 12 until it reaches the bottom wall of gear housing. See Fig. 8. Keeping the above position of rack 12, assemble change lever B to gear housing with aligning its "I"...
  • Page 7 Fig. 11 ( 6) Assembling bearing retainer 20-36 and oil seal 19 1. Apply MAKITA grease N No.1 to oil seal, and assemble oil seal 19 pressing with arbor press. See Fig. 12. <Note in assembling> Oil seal has to be always replaced with fresh one. Because it is easily deformed,when disassembling. Fig. 12 2.
  • Page 8 P 8 / 17 epair ( 7) Disassembling cam A 1. After removing bearing retainer 20-36 and oil seal 19, disassemble ring spring 11 from spindle. And disassemble spindle section by pulling out from the drill chuck side of gear housing as illustrated in Fig 14.
  • Page 9 P 9 / 17 epair 2. Put the spindle on 1R035 "bearing setting plate" and assemble ball bearing 6202LLB and cam A to the spindle by pressing with arbor press as illustrated in Fig. 17. Cam A 1R029 Bearing setting pipe Ball bearing 6202 LLB Spindle...
  • Page 10 P 10 / 17 ircuit diagram HP2050F and HP2051F (equipped with flash light) For Europe, High voltage area Color index of lead wires Black White Orange Blue Transparent Insulated Insulated terminal terminal Noise suppressor Field A Field A Brush Brush holder holder Field B...
  • Page 11 P 11 / 17 ircuit diagram HP2050 and HP2051 (without flash light) For Europe, High voltage area Color index of lead wires Black White Orange Blue Transparent Insulated Insulated terminal terminal Noise suppressor Field A Field A Brush Brush holder...
  • Page 12 P 12 / 17 ircuit diagram HP2050 and HP2051 (without flash light) For Great Britain, low voltage Color index of lead wires Black White Orange Blue Transparent Field A Field A Brush Brush holder holder Field B Field B Connected to...
  • Page 13 P 13 / 17 ircuit diagram HP2050 and HP2051 (without flash light) For other countries Color index of lead wires Black White Orange Blue Field A Field A Brush Brush holder holder Field B Field B Noise suppressor Power supply cord...
  • Page 14 P 14 / 17 iring diagram HP2050F and HP2051F (equipped with flash light) The electrical parts marked with * have to be For Europe, High voltage area set in the illustrated position. Fix the following lead wires * Noise suppressor with this lead holder.
  • Page 15 P 15 / 17 iring diagram HP2050 and HP2051 (without flash light) The electrical parts marked with * have to be For Europe, High voltage area set in the illustrated position. Fix the following lead wires * Noise suppressor with this lead holder.
  • Page 16 P 16 / 17 iring diagram HP2050 and HP2051 (without flash light) For Great Britain, low voltage Choke coil Fix choke coil lead wire (orange) Set choke coil in with lead holders. the position illustrated. Fix grounding lead wire (transparent) for connecting to field core, with lead holder.
  • Page 17: Wiring Diagram

    P 17 / 17 iring diagram HP2050 and HP2051 (without flash light) For other countries Fix field lead wire (black) for connecting to switch, with lead holder. Fix Lead wire (black) connecting field terminals A and B, with lead holder.

This manual is also suitable for:

Hp2051Hp2050fHp2051f