Makita | User manual | Repair for 2 mode Rotary hammers HR2230, HR2460 and

T
ECHNICAL INFORMATION
PRODUCT
P 1 / 15
Model No.
HR2230, HR2460, HR2460F
HR2470, HR2470F, HR2470T, HR2470FT
Description
Rotary Hammers 22mm (7/8"), 24mm (15/16")
L
CONCEPT AND MAIN APPLICATIONS
H
The subject models are successors to the current models called "2kg Rotary hammer".
HR2230, HR2460 and HR2460F have two operation modes (Rotation only / Rotation
with hammering).
HR2470, HR2470F, HR2470T and HR2470FT have three operation modes
(Rotation only / Rotation with hammering / Hammering only).
W
The letters of the model name show the features as follows;
Dimensions: mm (")
HR22 or 24: Capable of drilling 22 or 24 mm diameter hole
HR2460
HR2470
HR2470T
to concrete
HR2230
HR2460F
HR2470F HR2470FT
F: Equipped with LED to illuminate the hammering spot
Length (L) 357 (14) 362 (14-1/4) 370 (14-1/2) 394 (15-1/2)
T: Changeable between a chuck for SDS-plus and keyless
Width (W)
84 (3-5/16)
three-jaw drill chuck quickly without any tool
Height (H)
214 (8-3/8)
Specification
Voltage (V)
110
120
220
230
240
Current (A)
HR2230 Except HR2230
6.8
6.2
3.4
3.3
3.1
Cycle (Hz)
7.5
6.7
3.7
3.6
3.4
Model
Specification
Continuous rating input: W
No load speed: min-1= rpm
Impacts per minute= min-1
50 / 60
50 / 60
50 / 60
50 / 60
50 / 60
HR2230
780
780
780
350
350
350
350
350
HR2460/ HR2460F HR2470/ HR2470F
2.4 (5.4)
500
500
500
500
500
390
390
390
390
390
550
550
550
550
550
HR2470T/ HR2470FT
780
0 - 1,100
0 - 4,500
2 modes
Net weight: kg (lbs)
Depth gauge ........................ 1 pc
710
710
710
(Rotation only/ Rotation with
Hammering)
22(7/8)
Standard equipment
780
SDS-plus [Round shank bit is available by
replacing quick change chuck for SDS-plus
with quick change drill chuck (keyless)]
Adapted for SDS-PLUS
Concrete
Steel
mm (")
Wood
Variable speed control switch
Rotation reversing facility
Job light
Double insulation
Power supply cord: m (ft)
Capacity:
710
710
0 - 1,050
0 - 4,050
Bit shank
Operation mode
Continuous Rating (W)
Max. Output(W)
Input
Output
HR2230 Except HR2230 HR2230 Except HR2230 HR2230 Except HR2230
No
Europe: 4.0 (13.1)
2.5 (5.6)
Side handle ...................... 1 pc
3 modes
(Rotation only/ Rotation with Hammering/
Hammering only)
24 (15/16)
13 (1/2)
32 (1-1/4)
Yes
Yes
Single-light LED ("F" model only)
Yes
Australia: 2.0 (6.6)
Others: 2.5 (8.2)
2.6 (5.9)
2.8 (6.3)
Plastic carrying case .........1 pc
Note: The standard equipment for the tool shown above may differ from country to country.
Optional
accessories
* T.C.T hammer drill bits 5.5mm - 24mm (7/32" - 15/16")
[HR2230: Maximum 22mm (7/8")]
* Bull point 14mm (9/16")
* Cold chisel 20mm (13/16")
* Scaling chisels 38mm and 50mm (1-1/2" and 2")
* Grooving chisels 8mm and 12mm (5/16" and 1/2")
* Scraper assembly
* Core bits
* Center bits
* Core bit adaptor
* Rod 10
* Core bits (dry type)
* Taper shank adaptor
* Taper shank T.C.T.hammer drill bits
* Drill chuck ass'y
* Drill chuck S13
* Chuck key S13
* Quick change drill chuck (keyless)
* Quick change chuck for SDS-PLUS
* Dust cups 5 and 9
* Safety goggle
* Bit grease
* Blow out bulb
* Dust extractor attachment
* Hammer service kit
Repair for 2 mode Rotary hammers HR2230,
P 2/ 15
HR2460 and HR2460F
Note: Regarding the repair for 3 mode Rotary hammers, refer to the data as follows:
HR2470-NP.pdf, HR2470F-NP.pdf, HR2470T-NP.pdf, HR2470FT-NP.pdf
CAUTION: Remove the Bit from the machine for safety before repair/ maintenance
in accordance with the instruction manual!
[1] NECESSARY REPAIRING TOOLS
Code No.
Description
Use for
1R003
Retaining ring S pliers ST-2N
Removing Ring spring 19
1R212
Tip for Retaining ring pliers
Attachment of 1R003
1R004
Retaining ring S pliers ST-2
Removing Ring spring 28 which functions as a stopper for Spur gear 51,etc.
1R022
Bearing plate (for arbor press) Support for removing Ring spring 28/ Removing Ring 8 and Helical gear 26, etc.
1R023
1R032
1R033
Pipe ring (for arbor press)
Bearing setting plate 8.2
Bearing setting plate 10.2
1R038
Armature holder 32 set for vise Holding Tool holder when removing Ring spring 28
1R164
Ring spring setting tool A
Assembling Oil seal 25 and Needle bearing complete to Gear housing complete
1R165
1R232
1R252
Ring spring setting tool B
Pipe 30
Round bar for arbor 30-100
Press-fitting Needle bearing complete into Gear housing complete
Assembling Oil seal 25 to Gear housing complete
Removing Needle bearing complete and Oil seal 25 from Gear housing complete
1R269
Bearing extractor
1R281
Round bar for arbor 7-50
Removing Ball bearing 608ZZ from Swash bearing section
Removing Tool holder section, Ring 8 and Helical gear 26 from Swash bearing
section
Removing Ring spring 28 from Tool holder
Assembling Ring spring 28 to Tool holder
1R306 Ring spring removing jig
317517-9 Piston cylinder
Removing Ring 8 and Helical gear 26
Assembling Swash bearing 10
Assembling Helical gear 26
[2] LUBRICATION
Apply the Makita Grease RB No.00 to the portions marked with black triangle to protect parts and product from unusual
abrasion.
Item No.
Description
1
Cap 35
13
Change lever
16
O ring 17
17
Gear housing complete
Spur gear 51
23
Steel ball 7
24
25
Tool holder complete
29
32
Ring 10
O ring 9
Portion to lubricate
Lip portion where Bit is inserted
Pin portion
Whole portion
Inside where Swash bearing section rotates
(a) Teeth portion, (b) Surface where Clutch portion of 25 Tool holder contacts
Whole portion
(c) Surface where Needle bearing complete contacts
(d) Surface where Plane bearing 28 of 56 Inner housing complete contacts (Re; Fig. 2)
(e) Inside where 36 Piston cylinder reciprocates
Surface where Cushion ring 13 contacts
Whole portion
Fig. 1
1
Tool Holder Section
(a)
17
24
23
(c)
25
(b)
16
13
Needle bearing complete
(e)
(d)
Cushion ring 13
29
Impact bolt
Sleeve 9
32
Repair for 2 mode Rotary hammers HR2230,
P 3/ 15
HR2460 and HR2460F
[2] LUBRICATION
Apply the following Makita grease to protect parts and product from unusual abrasion.
* Grease RB No.00 to the portions marked with black triangle
* Molybdenum disulfide lubricant to the portions marked with gray triangle
Description
Item No.
35
Portion to lubricate
O ring 16
Whole portion
(f) Inside where Striker moves
36
(g) Hole for accepting Piston joint
Piston cylinder
(h) Apply Molybdenum disulfide lubricant to Surface where 25 Tool holder contacts.
(i) Apply Molybdenum disulfide lubricant to the groove.
44
Clutch cam
46
Swash bearing 10
(j) Side where 46 Swash bearing 10 engages
Pole portion which is inserted into Piston joint
47
Helical gear 26
Teeth portion
56
Inner housing cmplete Space where Armature's drive end and 47 Helical gear 26 engages
Fig. 2
Swash Bearing Section
35
Striker
Flat washer 12
36
(f)
(h) (g)
Armature
Piston joint
(g)
Spur gear 10
(i)
(j)
44
46
56
47
[3] DISASSEMBLY/ASSEMBLY
[3] -1. Chuck Section
DISASSEMBLING
Disassemble Chuck section in the order from Fig. 3 to Fig. 7.
Fig. 3
Fig. 4
1R212
1R003
Cap 35
Remove Cap 35 by hand and using
a slotted screwdriver.
Ring spring 19
Fig. 5
Fig. 6
Chuck cover
Ring 21
Chuck cover and
Ring 21 can be
removed.
Ring spring 19 Remove Ring spring 19
from the groove on Tool
Tool holder
holder complete using
complete
1R003 and 1R212.
Fig. 7
Pushing Guide washer in the
direction of arrow, remove
Steel ball 7.0 from the slot on
Tool holder complete.
Guide washer and Conical compression
spring 21-29 can be removed.
Conical
compression
spring 21-29
Steel ball 7.0
Guide washer
Guide washer
Tool holder
complete
Repair for 2 mode Rotary hammers HR2230,
P 4/ 15
HR2460 and HR2460F
[3] DISASSEMBLY/ASSEMBLY
[3] -1. Chuck Section
ASSEMBLING
Do the reverse of the disassembling steps.
Note: Conical compression spring 21-29 and Ring spring 19 are not reversible when assembled to Tool holder complete.
Be sure to assemble them as drawn in Fig. 8.
Fig. 8
Correct
Gear housing side
Conical compression
spring 21-29
Tool holder complete
Cap 35 side
Gear housing side
Cap 35 side
Conical
compression
spring 21-29
Wrong
flat portion
flat portion
Ring spring 19
Ring spring 19
Tool holder complete
[3] -2. Change Lever
DISASSEMBLING
(1) Remove dust and dirt from Change lever and the grooved area on
the Motor housing circled in Fig. 9.
(2) Set Change lever to hammer drill mode while pushing Lock button. (Fig. 10)
(3) Push Lock button further into the inner bottom of Change lever (Fig. 11 left)
and turn Change lever to the left further than hammer drill mode position.
(Fig. 11 right)
(4) Lift up the hinge position of Change lever (Fig. 12).
Now, Change lever is removed.
Fig. 10
Fig. 9
Clean this portion thoroughly.
Lock
button
Motor housing
Change lever
Fig. 11
Push Lock button and turn Change lever
to Hammer drill mode.
Surface
level
Turn Change lever to the left further than hammer drill
mode position while pushing Lock button deeper than
the surface level of Change lever.
Turn Change lever fully
until the elastomer of
Motor housing is deformed
slightly.
Be careful to the difference in height of
Lock button between step (2) and (3).
Fig. 12
Lock button in Change lever is returned
to the original position when
the hinge portion is lifted.
Hinge portion of Change lever
Repair for 2 mode Rotary hammers HR2230,
P 5/ 15
HR2460 and HR2460F
[3] DISASSEMBLY/ASSEMBLY
[3] -2. Change Lever (cont.)
ASSEMBLING
(1) Assemble Motor housing to Gear housing.
(2) Insert Change lever into the position where it was when removed (Fig. 13).
Note: Change lever is not completely fit into Motor housing at this time (Fig. 12).
(3) While pushing Lock button deeply into the inner bottom of Change lever, tap Change lever with a plastic
hammer to fit the hinge portion of Change lever into Motor housing completely.
(4) Make sure to check if Change lever is smoothly set to Hammer drill mode and Drill mode after assembling.
Fig. 13
Fig. 14
Repair for 2 mode Rotary hammers HR2230,
P 6/ 15
HR2460 and HR2460F
[3] DISASSEMBLY/ASSEMBLY
[3] -3. Armature
DISASSEMBLING
(1) Remove Handle cover by unscrewing three 4x22 Tapping screws (Figs. 15) and then disconnect Carbon brush from
Armature's Commutator. (Fig. 16)
Fig. 15
Fig. 16
Handle cover
Brush holder unit
Carbon brush
Spiral
spring
Disconnect Carbon brush in
the following order.
Tapping
screw
4x22 (3pcs.)
1. Turn Brush holder unit to
the appropriate position.
2. Shift the tail of Spiral spring
from Carbon brush.
3. Pull out Carbon brush
from the Commutator.
Note: Be careful not to deform Spiral spring as
illustrated right when shifting it from
Carbon brush.
(2) Separate Gear housing complete from Motor housing. (Fig. 17) And disassemble Armature from Gear housing complete.
(Fig. 18)
Fig. 17
Gear housing complete
Inner housing complete
Motor housing
Separate Gear housing complete from
Motor housing by unscrewing four 4x35
Tapping screws.
Armature can be removed together with
Gear housing complete.
Tapping screw 4x35 (4 pcs.)
Fig. 18
Inner housing complete
Wave washer 15
Remove Armature from Gear housing
complete by striking the edge of Inner
housing complete with Plastic hammer.
Armature
Ball bearing
627DDW
Note: Be careful not to lose Wave washer 15
which is assembled in Motor housing.
ASSEMBLING
Do the reverse of the disassembling step.
Note: Do not forget to assemble Wave washer 15 to the Bearing box portion of Motor housing. Refer to Fig. 18.
Repair for 2 mode Rotary hammers HR2230,
P 7/ 15
HR2460 and HR2460F
[3] DISASSEMBLY/ASSEMBLY
[3] -4. Tool Holder Section
DISASSEMBLING
(1) Disassemble Chuck section. (Figs. 3 to 7)
(2) Disassemble Change lever (Figs. 9 and 10)
(3) Separate Gear housing complete from Motor housing. And then, remove Armature from Gear housing complete.
(Figs.15 to 18)
(4) Disassemble Tool holder section as illustrated in Figs. 19 and 20.
Fig. 20
Fig. 19
Tool holder section
Gear housing complete
1R281
Piston cylinder
Tool holder section
Flat washer 28
Note: Ball bearing 606ZZ is often left in Gear housing complete.
Therefore, Ball bearing 606ZZ may not be on its initial
position designated by circle.
Inner housing complete
Remove Inner housing complete from Tool holder
section by striking 1R281 with Plastic hammer.
Remove Tool holder section from Gear housing complete by
striking the Chuck portion with Plastic hammer
Note: Be careful not to lose Flat washer 28.
(5) Remove Ring spring 28 as illustrated in Figs. 21 and 22.
(6) Tool holder section can be disassembled as illustrated in Fig. 23.
Fig. 21
Fig. 22
While pressing Washer 30, remove Ring spring 28 with 1R004.
1R306
1R022 (2 pcs.)
1R306
Ring spring 28
1R022 (2 pcs.)
1R004
Washer 30
Ring Spring 28
Washer 30
Fig. 23
Washer 30, Compression spring 31 and Tool holder can be
disassembled from Tool holder.
Compression spring 31
Spur gear 51
Tool holder
Washer 30
ASSEMBLING
Do the reverse of disassembling steps.
Note: Do not forget to assemble Flat washer 28 between Tool holder section and Inner housing complete. Refer to
Fig. 20.
Repair for 2 mode Rotary hammers HR2230,
P 8/ 15
HR2460 and HR2460F
[3] DISASSEMBLY/ASSEMBLY
[3] -5. Needle Bearing Complete and Oil Seal 25
DISASSEMBLING
(1) Disassemble Tool holder section and Inner housing complete from Gear housing complete. See [3] -4. Tool Holder Section.
(2) Insert Inner housing complete into Gear housing complete. (Fig. 24)
(3) Remoe Needle bearing complete and Oil seal 25 from Gear housing complete. (Fig. 25)
Fig. 24
Fig. 25
Oil seal 25
Needle bearing
complete
1R252
Press Oil seal 25 with arbor press and 1R252.
Needle bearing complete is removed together
with Oil seal 25 from Gear housing complete.
Gear housing complete
Inner housing complete
ASSEMBLING
(1) Assemble Oil seal 25 to Gear housing complete in the order from Figs. 26 to 27.
(2) Assemble Needle bearing complete as illustrated in Figs. 28 and 29.
Fig. 27
Fig. 26
Press Oil seal 25 with arbor press and 1R232.
Oil seal 25 can be set halfway.
Press Oil seal 25 to the initial position with arbor press
and the outer diameter 34mm end surface of 1R164.
1R232
Outer diameter: 30mm
1R164
Outer diameter: 36mm
Oil seal 25
Outer diameter: 34mm
The initial position of Oil seal 25
(The initial position of Oil
seal 25)
Fig. 29
Fig. 28
Face the flat portion of Needle bearing complete to
the bottom side of Gear housing complete.
Needle bearing complete
Flat portion
Bottom side
Press Needle bearing with arbor press and
the outer diameter 34mm end surface of
1R164 until Needle bearing complete stops.
1R164
Top side
Needle bearing (the component of Needle
bearing complete)
Gear housing complete
Oil seal 25
Note: The other way is available for removing/ assembling Needle bearing complete.
See Figs. 30 and 31 of next page.
Repair for 2 mode Rotary hammers HR2230,
P 9/ 15
HR2460 and HR2460F
[3] DISASSEMBLY/ASSEMBLY
[3] -5A. Needle Bearing Complete
Fig. 30
DISASSEMBLING
ASSEMBLING
Fig. 31
Press-fit Needle bearing complete into Gear
housing complete using 1R165 and arbor press.
Strike Gear housing complete against workbench.
Gear housing
complete
Top side
Needle bearing
complete
Note: Cover the workbench with something soft to
avoid the damage on Gear housing complete.
Top side
Bottom side
Needle bearing
complete
Flat portion
1R165
Bottom side
[3] -6. Impact Bolt Section
DISASSEMBLING
(1) Referring to "[3] -4. Tool Holder Section" at page 12, disassemble Ring spring 28, Washer 30, Compression spring 31
and Spur gear 51 from Tool holder. See Figs. 19 to 23.
(2) Holding Gear housing complete in vise and 1R038, Tap the other Ring spring 28 in Tool holder complete as illustrated
in Figs. 32 and 33.
Fig. 32
End of Ring spring 28
Ring spring 28
When the end of Ring spring 28 is in
the holes, slide the end to outside
using a slotted screwdriver.
Fig. 33
Tap Ring spring 28 from the hole side alternately to push downward.
1R038
Tool holder complete
Vise
Ring spring 28
Repair for 2 mode Rotary hammers HR2230,
P 10/ 15
HR2460 and HR2460F
[3] DISASSEMBLY/ASSEMBLY
[3] -6. Impact Bolt Section (cont.)
DISASSEMBLING
(3) Pick up Ring spring 28 from Tool holder complete (Fig. 33) and take off the Parts of Impact bolt section. (Fig. 34)
Fig. 33
Fig. 34
Tool holder
complete
Ring spring 28
Impact Bolt Section
Note: Ring spring 28 has damaged.
Therefore, be sure to replace the damaged
Ring spring 28 by new one when assembling
Tool holder section.
Sleeve 9
Impact bolt
Remove Impact bolt section
by striking Tool holder complete
against workbench.
ASSEMBLING
(1) Assemble the Impact bolt section to Tool holder complete as illustrated in Figs. 35, 36 and 37.
Fig. 35
Fig. 36
Put the long side of Impact bolt into Sleeve 9
Put O ring 9 in O ring case.
Impact bolt
O ring case
20mm
O ring 9
15.5mm
Note: Impact bolt is not reversible.
Fig. 37
Tool holder complete
Impact bolt
Sleeve 9
Cushion ring 13
O ring case
Ring 10
O ring 9
Ring 10
Cushion ring 13
O ring case
O ring 9
Repair for 2 mode Rotary hammers HR2230,
P 11 / 15
HR2460 and HR2460F
[3] DISASSEMBLY/ASSEMBLY
[3] -6. Impact Bolt Section (cont.)
ASSEMBLING
(2) Push Ring spring 28 with Piston cylinder until it fits to the inner groove of Tool holder complete. (Fig. 40)
Fig. 40
Note: When assembling Ring spring 28 to Tool holder complete;
* Be careful not to position the Ring spring end in either of the side holes on Tool holder complete. (Fig. 30)
* Use an extra Piston cylinder as a jig. Never use the Piston cylinder built-in the machine.
Piston cylinder
as a repairing jig
Inner groove of
Tool holder complete
Piston cylinder
as a repairing jig
Ring spring 28
Tool holder complete
Ring spring 28
O ring case
[3] -7. Swash Bearing Section
DISASSEMBLING
(1) Disassemble Chuck section. Figs. 3 to Fig. 7.
(2) Disassemble Change lever as drawn in Figs. 9 and 10.
(3) Separate Gear housing complete from Motor housing. And then, remove Armature from Gear housing complete.
(Figs. 17 to 20)
(4) Remove Inner housing complete from Tool holder section. (Figs. 21 and 22)
(5) Remove Stop ring E-4 and Compression spring 5 from the pin of Inner housing. (Fig. 41)
(6) Remove two M4x12 Hex socket head bolts that fasten Bearing retainer to Inner housing. (Fig. 42)
Fig. 39
Piston cylinder
Inner housing
Fig. 40
Hex socket head bolt
M4x12 (2 pcs.)
Stop ring E-4
Compression spring 5
Change plate
(7) Move Piston cylinder to the rear dead center position. (Fig. 43)
(8) Remove Swash bearing section from Inner housing by pulling in the direction of the arrow. (Fig. 44)
Fig. 41
Fig. 42
Piston cylinder
in the rear dead center position
Swash bearing section
Inner housing
Change plate
Piston
cylinder
Swash bearing
section
Change plate
Clutch cam
Remove Change plate from the groove of Clutch cam.
Repair for 2 mode Rotary hammers HR2230,
P 12/ 15
HR2460 and HR2460F
[3] DISASSEMBLY/ASSEMBLY
[3] -7. Swash Bearing Section (cont.)
DISASSEMBLING
(9) Remove Ball bearing 606ZZ from Gear housing complete using the removed Swash bearing section as a jig as follows;
* Insert Cam shaft of Swash bearing section into the Ball bearing again.
* Tilt the Ball bearing a little bit by moving Swash bearing section as illustrated to left in Fig. 45.
* Ball bearing 606ZZ can now be removed by lightly tapping the edge of Gear housing complete with plastic hammer as
illustrated to right in Fig. 45.
Fig. 45
Gear housing complete
Swash bearing section
used as a jig
Ball bearing 606ZZ
(10) Remove Ring 8 using 1R022, 1R023, 1R281 and arbor press as illustrated in Fig. 46.
(11) Remove Ball bearing 608ZZ using 1R269. Flat washer 8 and Bearing retainer can now be removed by hand. (Fig.47)
Fig. 46
Fig. 47
Ball bearing 608ZZ
Ring 8
1R281
1R022
1R022
1R269
Ring 8
Bearing retainer
Ball bearing
608ZZ
Flat washer 8
1R023
(12) Remove Helical gear 26 using 1R022, 1R023, 1R281 and arbor press (Fig. 48), then remove Swash bearing 10
in the same way.
Clutch cam, Compression spring 12 and Flat washer 12 can be removed from Spur gear 10 as illustrated in Fig. 49.
Fig. 48
Fig. 49
1R281
Helical gear 26
1R281
1R022
Swash bearing 10
Helical
gear 26
1R022
1R023
Spur gear 10
Flat washer 12
Clutch cam
Compression spring 12
Repair for 2 mode Rotary hammers HR2230,
P 13/ 15
HR2460 and HR2460F
[3] DISASSEMBLY/ASSEMBLY
[3] -7. Swash Bearing Section
ASSEMBLING
(1) Assemble Swash bearing section using 1R032, 1R033 and arbor press as illustrated in Fig. 50.
Note: (1) Assemble Spur gear 10 to the following parts before it is assembled to Swash bearing 10.
* Flat washer 12 * Compression spring 12
* Clutch cam
(2) Be sure to put Flat washer 8 in place.
Fig. 50
Spur gear 10
Flat washer 12
Compression
spring 12
Flat
washer 8
Helical
gear 26
Swash
bearing 10
Clutch cam
1R032
Bearing
retainer
Ring 8
Ball
bearing
608ZZ
1R033
(2) Assemble Piston joint and two Flat washers 12 to Piston cylinder as illustrated in Fig. 51.
Note: Do not forget to apply Makita grease RB No. 00 (Fig. 2)
(3) Insert Piston cylinder into Inner housing (Fig. 52).
Fig. 51
Fig. 52
Correct
Piston cylinder
Flat washer 12
Wrong
Inner housing
Piston joint
Flat washer 12
(4) Move Piston cylinder to the rear dead center position. (Fig. 53)
(5) Insert the pole of Swash bearing 10 into the hole of Piston joint as illustrated in Fig. 54.
Fig. 53
Piston cylinder at
rear dead center
position
Fig. 54
Piston cylinder
Hole for the pole of
Swash bearing 10
Flat
washer 12
Front
Rear
Flat
washer 12
Piston joint
Hole of Piston joint
Pole of Swash
bearing 10
Ring 8
Tilt Swash bearing 10 to insert the pole.
(6) Insert Ring 8 (the end of Swash bearing section) into Inner housing complete. (Fig. 55)
(7) Fitting the tip of Change plate in the groove on Clutch cam, assemble Change plate to Inner housing complete. (Fig. 56)
Fig. 56
Fig. 55
Inner housing complete
Change plate
Swash bearing section
Ring 8
Fit this portion into
the groove of Clutch cam.
Groove
Clutch cam
Repair for 2 mode Rotary hammers HR2230,
P 14/ 15
HR2460 and HR2460F
[3] DISASSEMBLY/ASSEMBLY
[3] -7. Swash Bearing Section (cont.)
ASSEMBLING
(7) Install Ball bearing 608ZZ of Swash bearing section into Inner housing complete.
Fasten Swash bearing section to Inner housing complete with two M4x12 Hex socket head bolts.
Put Compression spring 5 through the upper pin of Inner housing complete, and secure it with Stop ring E-4. (Fig. 57)
Fig. 57
Stop ring
E-4
Ball Bearing 608ZZ
Ring 8
Compression spring 5
M4x12 Hex socket
head bolt (2 pcs.)
Bearing retainer
[4] Maintenance Program
When replacing carbon brush, it is recommended to replace the parts listed in the table below at the same time for longer
service life of the machine. (Fig. 58)
Fig. 58
Steel ball 7.0
O ring 9
Note: When replacing O Ring 16, Striker has to be removed from Piston cylinder.
The Striker for HR2230 is different from that for HR2460 and HR2460F
as follows.
Be careful not to confound them.
O ring 16
19.5mm
Circuit diagram
Striker for HR2460 and HR2460F
Groove for Distinction
Striker for HR2230
30.0mm
19.5mm
31.5mm
for 2 mode Rotary hammers HR2230, HR2460 and HR2460F
Brush holder unit
Color index of lead wires' sheath
Black
White
Blue
Brown
For some countries,
Noise suppressor is not
built in Switch
Brush holder
Switch
Built in
Noise suppressor
Black for some countries,
instead of brown
White for some countries,
instead of blue
Light
circuit
Light circuit is not built in HR2230
Power supply cord
Wiring diagram for 2 mode Rotary hammers HR2230,
P 15/ 15
HR2460 and HR2460F
Brush holder unit
Wiring of Brush holder lead wires
(black and white)
Pass Brush holder lead wire (black) between
projections of Terminal M1 and M2, and
connect it to Switch terminal M2.
Pass Brush holder lead wire (white)
between Switch and Grip portion,
and then connect it to Switch terminal M1.
Terminal M2
Terminal M1
Brush holder lead wires
(black and white) must
be tight in this portion.
Switch
Grip portion
Switch
Rib
Fix the Brush holder lead
wires (black and white)
with these lead wire holders.
Noise suppressor
For some countries, Noise
suppressor is not built in
Switch
Light circuit
Power supply cord
Put the extra of Brush holder lead wire (white) in this position.
Wiring under
Power Supply Cord
Put lead wire of Light circuit
in the groove.
Light circuit
LED circuit is not built in HR2230.