Gear Housing Complete - Makita HR2230 Technical Information

R
epair for 2 mode Rotary hammers HR2230, 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
1R003 Retaining ring S pliers ST-2N
1R212 Tip for Retaining ring pliers
1R004 Retaining ring S pliers ST-2
1R022 Bearing plate (for arbor press)
Pipe ring (for arbor press)
1R023
1R032 Bearing setting plate 8.2
1R033 Bearing setting plate 10.2
1R038
Armature holder 32 set for vise
1R164 Ring spring setting tool A
1R165 Ring spring setting tool B
1R232 Pipe 30
1R252 Round bar for arbor 30-100
1R269 Bearing extractor
1R281 Round bar for arbor 7-50
1R306 Ring spring removing jig
317517-9 Piston cylinder
[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

23 Spur gear 51
24 Steel ball 7
Tool holder complete
25
Ring 10
29
32 O ring 9
Fig. 1
17
1
13
Removing Ring spring 19
Attachment of 1R003
Removing Ring spring 28 which functions as a stopper for Spur gear 51,etc.
Support for removing Ring spring 28/ Removing Ring 8 and Helical gear 26, etc.
Removing Ring 8 and Helical gear 26
Assembling Swash bearing 10
Assembling Helical gear 26
Holding Tool holder when removing Ring spring 28
Assembling Oil seal 25 and Needle bearing complete to Gear housing complete
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
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
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
Tool Holder Section
(a)
23
16
Needle bearing complete
Portion to lubricate
(c) (d)
24
25
(b)
(e)
Sleeve 9
Use for
Cushion ring 13
29 32
Impact bolt
P 2/ 15