HR2430-TE

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T
ECHNICAL INFORMATION
PRODUCT
Models No.
Description
HR2430, HR2431
L
W
Rotary Hammer 24mm
CT
C
ONCEPTION AND MAIN APPLICATIONS
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.
H
HR2430
Dimensions : mm ( " )
Model No.
L
HR2430
HR2431
W
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)
CT
70 (2-3/4)
156 (6-1/8)
H
34 (1-5/16)
S
pecification
HR2431
Voltage (V)
Current (A)
Cycle (Hz)
Continuous Rating (W)
Max. Output(W)
Input
Output
100
110
120
230
7.5(only HR2430)
6.8(only HR2430)
50 / 60
50 / 60
50 / 60
50 / 60
710
710
710
710
150
150
150
550
550
550
6.2
3.2
200
600
No load speed
: (min
-1
= rpm)
0 - 1,050
0 - 4,900
Blows per min.
: (min
-1
= bpm)
Bit type
SDS-plus 10mm (3/8") in dia.
Drilling
capacity : mm ( " )
in Steel
in Wood
in Concrete
13 (1/2)
32 (1-1/4)
HR2430 for Canada : 25 (1)
HR2431 for U.S.A. : 25 (1)
24 (15/16)
Reversible switch
Available
Net weight : Kg ( lbs )
Cord length : m ( ft )
HR2430 : 2.6 (5.7)
HR2431: 2.8 (6.2)
2.5 (8.2)
Plastic carrying case ......... 1 pc.
Grease for bit .................... 1 pack.
Cap .................................. 1 pc.
Dust extraction fixture....... 1 pc.
Hose .................... 1 pc.
Dust bag ........................... 1 pc.
< Note > The standard equipment for the tool shown may be differ from country to country.
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
S
tandard equipment
O
ptional accessories
R
epair
<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
Compression
spring 38
Chuck cover
Spring guide
Tool holder
Fig.1
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)
Ring spring 17
Leaf spring 26
Ring spring 30.5
Chuck ring
Spring guide
Compression
spring 35
Pin 8
Guide washer
Tool holder
Steel ball 7.0
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.
Position of change lever
when removing.
Pan head screw M4
Approx.
4 - 5mm
Fig.3
Fig.3A
R
epair
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.
Impact bolt
Fig.5
2. Take off steel ball 5.6 by striking stool holder
with plastic hammer slightly as illustrated in
Fig.5A
Steel ball 5.6
Fig.5A
3. Take off O ring 11 with a bodkin as illustrated in
Fig.5B.
O ring 11
Fig.5B
4. Remove impact bolt by pushing it with
screwdriver as illustrated in Fig.5C.
Fig.5C
R
epair
<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.
Tool holder side
Crank housing
complete
Pin 6
Piston cylinder
Connecting rod
B. Removing connecting rod
Remove inner housing complete
from crank housing complete by
taking off pan head screw M4x50 (3 pcs.).
Crank shaft
Inner housing
complete side
Fig. 6
Pan head screw M4x50 (3 pcs.)
Crank housing complete
Inner housing complete
Connecting rod
Crank shaft
Fig. 6A
Bring connecting rod to the inner housing
complete side by turning crank shaft as
illustrated in Fig. 6B.
Tool holder side
Connecting rod
Crank housing complete
Crank shaft
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. 6B
Inner housing
complete side
Tool holder side
Fig. 6C
Inner housing
complete side
R
epair
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.
Crank shaft
Crank housing
complete
Spur gear 10
Unit of
spur gear 10
Clutch cam
Straight bevel gear 14
Helical gear 31
Gear cover
Pan head screw M4x16
( 2 pcs.)
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.)
Press spur gear 10
with arbor press.
Helical gear 31
Compression spring 8
Straight bevel gear 14
Flat washer 8
Clutch cam
Compression spring 12
Flat washer 12
Spur gear 10
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.
Press with arbor press.
1R234
Round bar for arbor
Straight bevel gear 12
Crank shaft
Crank housing
complete
Narrow surface
Tool holder side
D
45mm
100mm
Wide surface
Inner housing
complete side
1R234 Round bar for arbor
D = 5mm
No.1R215 Block A
for crank housing
Narrow
surface
Wide surface
Fig.6F
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