Makita HR2450T Power Hammer User Manual


 
Repair
P 16 / 22
< 15 > Assembling swash bearing section
< 16 > Assembling swash bearing section to piston cylinder
(1) Apply grease to the parts of swash bearing section referring to "< 2 > Lubrication to the machine parts" in page 3.
(2) Assemble swash bearing 10 by pressing cam shaft with arbor press as illustrated in Fig. 66.
(3) Assemble helical gear 26 by pressing cam shaft with arbor press as illustrated in Fig. 67.
(4) Assemble flat washer 8, bearing retainer and ball bearing 608ZZ by pressing cam shaft with arbor press
as illustrated in Fig. 68.
(5) Assemble ring 8 by pressing cam shaft with arbor press as illustrated in Fig. 69.
Swash
bearing 10
Helical
gear 26
Cam shaft
Flat
washer 8
Ball bearing
608ZZ
Bearing
retainer
Ring 8
(1) Apply MAKITA grease to piston cylinder and swash bearing 10 referring to "< 2 > Lubrication to
the machine parts" in page 3.
(2) Mount 2 pcs. of flat washer 12 and piston joint to piston cylinder as illustrated in Fig. 70.
(3) Insert the above piston cylinder into inner housing as illustrated in Fig. 71.
(4) Bringing piston cylinder to the dead point for swash bearing 10, mount swash bearing 10 to piston cylinder by
inserting its pole into the hole of piston joint as illustrated in Fig. 72.
(5) Fasten bearing retainer which has been assembled to swash bearing section, with adhesive hex socket head
bolt M4x12, onto inner housing as illustrated in Fig. 73.
Flat washer 12
Flat washer 12
Piston joint
Piston cylinder
Piston cylinder
Inner housing
2 pcs. of Hex socket
head bolts M4x12 for tightening
bearing retainer.
<Note> Do not fasten with the used hex socket head bolt M4x12. Always use the fresh adhesive
hex socket head bolt M4x12
Fig. 66
Fig. 67
Fig. 68
Fig. 69
Fig. 70
Fig. 71
Fig. 72
Fig. 73
No.1R034
Bearing setting plate