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Makita HR2440F Technical Information

Rotary hammer 24mm (15/16")
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T
ECHNICAL INFORMATION
Model No.
Description
C
ONCEPT AND MAIN APPLICATIONS
The above models is the advanced version of HR2440,
equipped with LED job light for lighting up the drilling point.
S
pecification
Voltage (V)
110
120
220
230
240
Model No.
No load speed : (min
Blows per min : (min
Type of bit shank
Chuck ability
Drilling
capacity : mm ( " )
Single blow energy ( J )
Working mode
Variable switch
Clutch for protecting user from lock of bit
Reverse switch
LED job-light
Protection from electric shock
Cord length : m (ft)
Net weight : kg (lbs)
< Note > When using wet type dia. core, employ HR2440 series models connecting with residual current device.
S
tandard equipment
* Side grip .................................. 1 pc.
* Stopper pole (Depth gauge) .... 1 pc.
< Note > The standard equipment for the tool shown may differ from country to country.
O
ptional accessories
* SDS plus TCT. bits 5.5mm(7/32") - 24mm)15/16")
* Drill chuck assembly
* Chuck adapter
* Chuck key S-13
* Drill chuck S-13
* Holder driver
* Dust cups 5 and 9
HR2440F
Rotary Hammer 24mm (15/16")
Current (A)
Cycle (Hz)
7.5
50 / 60
6.7
50 / 60
3.7
50 / 60
3.6
50 / 60
3.4
50 / 60
= rpm)
-1
= bpm).
-1
Steel
Wood
TCT. hammer bit
Concrete
Core bit
Diamond
Wet
core
Dry
Dimensions : mm ( " )
Length ( L )
Width ( W )
Height ( H )
Continuous Rating (W)
Input
780
780
780
780
780
HR2440F
0 - 1,100
0 - 4,500
SDS - plus
10 (3/8)
13 (1/2)
32 (1-1/4)
24 (15/16)
25 (1) for North America
54 (2-1/8)
65 (2-9/16)
65 (2-9/16)
2.7
rotation
2 modes
rotation+percussion
Yes
Yes
Yes
Yes
by double insulation
4(13.1) 2.5(8.2) for Asia
2.3 (5.1)
* Plastic carrying case ............... 1 pc.
* Safety goggle
* Bit grease
* Blow out bulb
* Core bits 32mm, 45mm, 54mm * Water protection collar
* Core bit
* Core bit adapter
* Rod
L
W
352 (13-7/8)
72 (2-13/16)
212 (8-3/8)
Max. Output(W)
Output
370
370
370
370
370
2.0(6.6) for Australia
* Dust extractor attachment
* Diamond core bits (wet and dry)
32mm, 38mm, 54mm, 65mm
* Various taper shank TCT. bits
* Taper shank adapter
* Cotter
PRODUCT
P 1 / 14
H
650
650
650
650
650

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  • Page 1 ECHNICAL INFORMATION PRODUCT P 1 / 14 Model No. HR2440F Description Rotary Hammer 24mm (15/16") ONCEPT AND MAIN APPLICATIONS The above models is the advanced version of HR2440, equipped with LED job light for lighting up the drilling point. Dimensions : mm ( " )

  • Page 2: Table Of Contents

    < 1 > Lubrication Apply the following MAKITA grease to protect parts and product from unusual abrasion. * Grease RA No.1(Brown) to the portions marked with black triangle * Grease FA No.2 to the portions marked with gray triangle...

  • Page 3: Cap 35

    P 3 / 14 epair < 2 > Disassembling chuck section 1. Slide chuck cover in the direction of gear housing, and pull out cap 35 by turning. See Fig. 1. 2. Take off ring spring 19. Then, the following parts can be disassembled from tool holder. See Fig. 1A. * Chuck cover * Ring 21 3.
  • Page 4 P 4 / 14 epair < 4 > Disassembling change lever 1. Disassemble cap from change lever by twisting the flat head screwdriver inserted between cap and change lever, as illustrated in Fig. 2. 2. Turn the change lever fully to the direction of rotary hammer mode and pull off change lever from gear housing as illustrated in Fig 2A.

  • Page 5: Piston Cylinder

    P 5 / 14 epair < 7> Disassembling tool holder section 1. Disassemble change lever from gear housing as mentioned in < 4 > Disassembling change lever at page 4. 2. Separate gear housing from motor housing as illustrated in Fig. 3 and Fig. 3A. And disassemble armature as illustrated in Fig.
  • Page 6 P 6 / 14 epair < 9 > Disassembling impact bolt 1. Referring to "< 7 > Disassembling tool holder section" at page 5, disassemble ring spring 28, washer 30, compression spring 31 and spur gear 51 from tool holder. See Fig. 4, Fig. 4A, 4B, 4C, D and 4E. 2.
  • Page 7 P 7 / 14 epair 4. Insert "No.1R236 Round bar for arbor" and push ring spring 28 as deep as possible to the inner housing side by striking the round bar for arbor as illustrated in Fig. 5D. 5. Pick up ring spring 28 with plier and take off it from tool holder as illustrated in Fig. 5E. 6.
  • Page 8 P 8 / 14 epair < 11 > Disassembling swash bearing 1. Referring to Fig. 3, 3A, 3B at page 4, disassemble the product. And separate inner housing together with tool holder section and swash bearing section from gear housing as illustrated in Fig.

  • Page 9: Helical Gear

    P 9 / 14 epair 6. Swash bearing section can not be disassembled in one action by pressing cam shaft with arbor press, because Take the following steps for disassembling them. 1. Disassemble ring 8 by pressing with arbor press as illustrated in Fig. 9. 2.
  • Page 10 P 10 /14 epair <12> Assembling swash bearing section 1. Apply grease to the parts of swash bearing section referring to < 1 > Lubrication at page 2. 2. Assemble ball bearing 606ZZ by pressing spur gear 10 with arbor press as illustrated in Fig. 10. 3.
  • Page 11 <13> Assembling swash bearing section to piston cylinder 1. Apply MAKITA grease to piston cylinder and swash bearing 10 referring to <1> Lubrication at page 2. 2. Assemble 2 pcs. of flat washers 12 and piston joint to piston cylinder as illustrated in Fig. 11.

  • Page 12: Gear Housing

    < 15 > Assembling needle bearing complete 1. Apply MAKITA grease RA No.1 to the inside of needle baring complete. 2. Putting needle bearing complete on No.1R165 "Ring spring setting tool B" press gear housing onto the needle bearing complete with arbor press as illustrated in Fig. 13.
  • Page 13 P 13 /14 ircuit diagram Model HR2440F Brush holder Color index of lead wires Brush holder Black White Connected to field ore Field Blue See-through Switch C1 C2 Power supply cord Blue or red Noise suppressor For some countries, noise...
  • Page 14 P 14 / 14 iring diagram Model HR2440 with reverse switch Fix field lead wire (black) with lead holder as per Fix field lead wire (black) the illustration. with lead holder as per the illustration. Fix noise suppressor's lead wire (see-through) with lead holder as per the illustration.

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