Makita HR2430 Handbuch

Continuous Rating (W)

Voltage (V) Cycle (Hz) Input Output Max. Output(W)

100

110

120

230

Models No.

Description

PRODUCT

Current (A)

TECHNICAL INFORMATION

CONCEPTION AND MAIN APPLICATIONS

Specification

Standard equipment

Optional accessories

< Note > The standard equipment for the tool shown may be differ from country to country.

HR2430, HR2431

Rotary Hammer 24mm

These models are designed mainly for use in dust sensitive

environments.

With all the benefits of our existing Model HR2410/HR2420,

they feature efficient built-in Dust Extraction System,

which is especially convenient in overhead applications.

Model HR2431 is the "D"-handle version of HR2430.

Plastic carrying case ......... 1 pc.

Grease for bit .................... 1 pack.

Cap .................................. 1 pc.

HR2431

Dimensions : mm ( " )

Model No. HR2430 HR2431

Length (L)

Width (W)

Height (H)

Center Height(CH)

416 (16-3/8)

70 (2-3/4)

197 (7-3/4)

34 (1-5/16)

477 (18-3/4)

156 (6-1/8)

70 (2-3/4)

34 (1-5/16)

7.5(only HR2430)

6.8(only HR2430)

3.2

50 / 60

710

710 200

150

600

550

HR2430

No load speed : (min -1= rpm)

Blows per min. : (min -1= bpm)

Bit type SDS-plus 10mm (3/8") in dia.

Drilling

capacity : mm ( " )

in Steel

in Wood

in Concrete

Reversible switch

0 - 1,050

0 - 4,900

6.2

13 (1/2)

24 (15/16)

32 (1-1/4)

HR2430 for Canada : 25 (1)

HR2431 for U.S.A. : 25 (1)

HR2430 : 2.6 (5.7) HR2431: 2.8 (6.2)

Net weight : Kg ( lbs )

Cord length : m ( ft ) 2.5 (8.2)

T.C.T. drill bit 4.0 - 24 mm (5/32" - 15/16")

Drill chuck assembly

Chuck key S13

Anchor setting tool

Anchor setting rod No.2, No.2.5, No.3, No.4

Grease vessel

Blow out bulb

Depth gauge

Cuff 19-25

Available

Dust extraction fixture....... 1 pc.

Hose .................... 1 pc.

Dust bag ........................... 1 pc.

Durable Hose

Built-in Self Dust Extraction System

provides dust-free operation.

Especially convenient in overhead applications.

Dangling-free hose

is positioned parallel with

motor housing for less chance

of getting caught or damaged.

Never hangs loosely

even in overhead applications.

And durable.

Durable Dust Bag with Frame

Fastest drilling speed in its class

Numbers in chart below are relative values when setting HR2430

and HR2431's capacity as 100.

Testing bit : 12.5mm in diameter

MAKITA HR2430

Competitor A Mod. A

Competitor B Mod. B

Competitor C Mod. C

100

Cuff 19-25 (optional accessory)

for connection with vacuum cleaner.

HR2430

HR2431

Features and benefits

D-type handle

Pistol-type handle

COMPARISON CHART

Makita

Model No.

(1) Specifications

(2) Drilling Speed

HR2430

One-action bit change-over

24 [15/16"]

Continuous Rating Input (W)

Blows per minute (min-1)

Estimate

Mode Change

Center Height (mm)

Carrying

case

No load speed (min-1, rpm)

Material

can put the tool

with dust

extraction system

Energy of

blow (J)

*Net

weight (kg)

Catalogue

710

1-1,050

Yes

Standard Equipment

*Net weight does not include Dust extraction fixture, Hose, Dust bag and Side grip.

620

750

0-980

0-4,900

0-800

0-4,000

Plastics

Dimensions

2.6

(5.7lbs)

0-4,550

Capacity Concrete (mm)

Catalogue

Actual

HR2431

2.0

34 [1-5/16"]

Yes

2.66

(5.87lbs)

2.8

(6.2lbs)

2.8

(6.2lbs)

Makita

HR2410

Model A

Makita

HR2430/HR2431 Model B

Makita

Competitor A

Competitor B

HR2410

Model A

24 [15/16"] 24 [15/16"] 17.5 [11/16"] 22 [7/8"] 24 [15/16"]

500 500 680

1-1,050 1-1,100 1-1,050

0-4,900

0-3,900

0-4,400

2.0

1.8

2.0

1.8

2.0

37 [1-7/16"] 52 [2-1/16"] 30 [1-3/16"] 27 [1-1/16"] 30 [1-3/16"]

Yes

Yes No No

Plastics Plastics Plastics

Steel

Yes Yes

No No

416

197

477

156

185

220 192 208 197

3.3

(7.3lbs)

3.3

(7.3lbs)

2.69

(5.93lbs)

2.6

(5.9lbs)

2.6

(5.9lbs)

2.58

(5.85lbs)

3.6

(7.9lbs)

4.1

(9.0lbs)

2.3

(5.1lbs)

2.4

(5.29lbs)

Dust extraction

fixture

Dust bag

Cap

Bit grease

Carrying case

(plastic)

Depth gauge

Carrying case

(plastic)

Dust extraction

fixture

Dust bag(cloth)

Cap

Dust extraction

fixture

Dust bag(cloth)

Cap

Dust extraction

fixture

Dust container

Cap

Depth gauge

Grease

Suction head

Dust seal

Dust extraction

fixture

Dust bag(felt)

Dust bag(paper)

Cap

Bit grease

Paper bag

adapter

24mm(15/16") class 22mm(7/8") or under

Fast

Slow

120

100

Tested with Tungusten-carbide Tipped Bits ø8.0, ø10.0 and ø12.5mm and without using extension cord.

And we had the same result on each bit as illustrated below.

Numbers in chart below are relative values when setting HR2430's speed as 100.

100

80 80

100

60 60

L mm

H mm

W mm

410

116

374

340

388

371

Competitor

Model C Model B-2

Model B-2

Competitor B

Model C

Competitor C

Competitor

Model B

COMPARISON CHART

(4) Noise

Tested under loaded conditions in "drill with hammering" mode.

Measured and evaluated in conformity with CE Regulations.

Tested under loaded conditions in "drill with hammering" mode.

Measured and evaluated in conformity with CE Regulations.

(m/s2)

Makita

HR2430/HR2431 Model B

Makita

Competitor A HR2410

Model A Model B-2

24mm(15/16") class 22mm(7/8") or under

Makita

HR2410

9.3 10.6

8.8

10.1

6.8

11.8

89 89

94 93

Makita

HR2430/HR2431

24mm(15/16") class 22mm(7/8") or under

(dB)

(3) Vibration

Competitor B Competitor BCompetitor C

Model C

Model B

Competitor B Competitor A

Model A

Competitor C

Model C Model B-2

Competitor B

Repair

<1> Removing chuck section

1) Pull down chuck cover and remove cap 31. And then, remove chuck cover and compression spring 38

as illustrated in Fig.1.

Cap 31

Chuck cover

Compression

spring 38

Spring guide

Tool holder

Fig.1

Ring spring 17

Spring guide

Ring spring 30.5

Compression

spring 35

Leaf spring 26

Chuck ring

Guide washer

Tool holder

Pin 8

Steel ball 7.0

2) Remove ring spring 17. (See Fig.2.)

3) Remove ring spring 30.5 from chuck ring, and then, remove spring guide and compression spring 35.

(See Fig.2)

4) Take off leaf spring 26. And then, remove pin 8 from chuck ring. (See Fig.2)

Leaf spring 26 can be removed easily by expanding it with retaining ring plier for shaft .

5) Remove chuck ring , guide washer and steel ball 7.0 from tool holder. (See Fig.2)

<2> Removing gear housing section

Loosen pan head screw M4. But stop to loosen, when the screw

comes to the position as illustrated in Fig.3. Adjust change lever as illustrated

in Fig.3A and pull out it from gear housing.

Fig.2

Pan head screw M4

Fig.3

Approx.

4 - 5mm

Position of change lever

when removing.

Fig.3A

Repair

Remove tool holder with arbor press as illustrated in Fig.4.

Tool holder

Fig.4

<3> Removing impact bolt

1. Push impact bolt ahead with screwdriver

as illustrated in Fig.5.

Fig.5

Impact bolt

Steel ball 5.6

Fig.5A

Fig.5B

Fig.5C

4. Remove impact bolt by pushing it with

screwdriver as illustrated in Fig.5C.

3. Take off O ring 11 with a bodkin as illustrated in

Fig.5B.

2. Take off steel ball 5.6 by striking stool holder

with plastic hammer slightly as illustrated in

Fig.5A

O ring 11

Repair

<4> Removing crank section

A. Removing piston cylinder

Shift piston cylinder to tool holder side by

turning crank shaft as illustrated in Fig. 6.

Take off pin 6 with screwdriver from

piston cylinder. Pin 6

Connecting rod

Crank shaft

Crank housing

complete

Piston cylinder

Tool holder side

Fig. 6

Inner housing

complete side

B. Removing connecting rod

Remove inner housing complete

from crank housing complete by

taking off pan head screw M4x50 (3 pcs.).

Pan head screw M4x50 (3 pcs.)

Connecting rod

Crank housing complete

Crank shaft

Inner housing complete

Crank shaft

Connecting rod

Crank housing complete

Inner housing

complete side

Tool holder side

Bring connecting rod to the inner housing

complete side by turning crank shaft as

illustrated in Fig. 6B.

Fig. 6A

Fig. 6B

Inner housing

complete side

Tool holder side

Hold the inner housing complete

side of connecting rod. And take

off connecting rod by lifting

its tool holder side as illustrated

in Fig.6C.

Fig. 6C

Repair

C. Removing helical gear 31, straight bevel gear 14 and clutch cam

Take off pan head screw M4x16 ( 2 pcs.) from

crank housing complete. And then, remove gear

cover and the unit of spur gear 10 as illustrated

in Fig.6D.

Remove helical gear 31 by pressing it with

arbor press.

And then, the spare parts on spur gear 10

can be removed as illustrated in Fig.6E.

( It is recommended to use round bar for

arbor No.1R235 6mm in dia.,

when removing with arbor press.)

Crank housing

complete

Spur gear 10Spur gear 10

Spur gear 10

Straight bevel gear 14

Clutch cam

Helical gear 31

Gear cover

Pan head screw M4x16

( 2 pcs.)

Unit of

spur gear 10

Fig.6D

Crank shaft

Press spur gear 10

with arbor press.

Flat washer 12

Compression spring 12

Clutch cam

Straight bevel gear 14

Flat washer 8

Compression spring 8

Helical gear 31

Fig.6E

D. Removing crank shaft

Set crank housing complete on No.1R215: block A

for crank housing and set No.1R234:round bar for

arbor 5mm in dia. on crank shaft.

Remove crank shaft by pressing the round bar

for arbor with arbor press.

< Note > No.1R215 block A has to be set,

paying attention to the position of its

wide surface as illustrated in Fig.6F.

28mm

45mm

No.1R215 Block A

for crank housing

Wide surface

Narrow surface

Wide surface

Narrow

surface

Press with arbor press.

1R234

Round bar for arbor

1R234 Round bar for arbor

D = 5mm

100mm

Crank shaft Crank housing

complete

Straight bevel gear 12

Inner housing

complete side

Tool holder side

Fig.6F

Repair

<5> Removing armature section

1) Remove brush holder from motor housing

after taking off handle cover as illustrated in Fig 7.

2) Remove fan housing from motor housing as illustrated in Fig 7.

3) Remove armature assembly together with dust cover and fan 56 as illustrated in Fig 7A.

Handle cover

Fan housing

Brush holder

Dust cover

Motor housing

Fig. 7

Fan 56 Dust cover Armature assembly

Fig. 7A

Dust guard

Ball bearing

609LLU

4) Remove dust guard and ball bearing 609LLU from armature assembly. And then, remove retaining ring S-10

as illustrated in Fig 7B.

Bearing 609LLU

Dust guard

Retaining ring S-10

Armature assembly

Fig. 7B

1R258 V Block

5) Set armature unit ( fan 56, dust cover and fan 60 ) on the 2 V-blocks.

And remove fan 56 (aluminum made) and dust cover

by pressing armature shaft. Then armature can be separated

together with ball bearing 6000LLU,

flat washer 8 and fan 60, from

fan 56 and dust cover.

Press the armature shaft

after setting on the 2 V-blocks.

Fan 56

Dust cover

Armature

Fan 60

Fan 56

Dust cover

Fig. 8

Repair

1R022 Bearing extractor plate

Fan 60

Ball bearing 6000LLU

Flat washer 10

6) Hold fan 60 with No.1R022 bearing extractor plate, and

remove ball bearing 6000LLU, fan 60 and flat washer 10

by pressing armature shaft slowly as illustrated in Fig.9.

Armature

Armature shaft

<6> Assembling armature

(1) Press fan 60, ball bearing 6000LLU and flat washer 10

all together on armature shaft as illustrated in Fig.10.

Not press them individually on armature shaft.

Fig.9

In stead of individually,

they have to be pressed

all together.

Ball bearing 6000LLU Fan 60Fan 60

Flat washer 10

(2) Press dust cover. And then, press flat washer 10 as illustrated in Fig.11.

Apply MAKITA grease N No.2 in advance approx. by 1g. on

the flat washer's surface which contacts with ball bearing 6000LLU.

Apply MAKITA grease N.No.2

approx. by 1g. on this side.

Ball bearing 6000LLU

Flat washer 10

Dust cover

Flat washer 10

Armature

Fig.10

Fig.11

Fan 56

Dust cover

Fan 60

(3) Press fan 56 as illustrated in Fig.12.

Fig.12

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