DISASSEMBLING
ASSEMBLING
1R252
Press Oil seal 25 with arbor press and 1R252.
Needle bearing complete is removed together
with Oil seal 25 from Gear housing complete.
Oil seal 25
Needle bearing
complete
Fig. 25
Fig. 24
Fig. 27
Fig. 26
Fig. 29
Fig. 28
Note: The other way is available for removing/ assembling Needle bearing complete.
See Figs. 30 and 31 of next page.
(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)
(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
.
Inner housing complete
Gear housing complete
1R164
1R164
Outer diameter: 30mm
Outer diameter: 34mm
1R232
Oil seal 25
(The initial position of Oil
seal 25)
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.
The initial position of Oil seal 25
Oil seal 25
Outer diameter: 36mm
Top side
Gear housing complete
Bottom side
Face the flat portion of Needle bearing complete to
the bottom side of Gear housing complete.
Needle bearing complete
Needle bearing (the component of Needle
bearing complete)
Flat portion
Press Needle bearing with arbor press and
the outer diameter 34mm end surface of
1R164 until Needle bearing complete stops.
[3] DISASSEMBLY/ASSEMBLY
[3] -5. Needle Bearing Complete and Oil Seal 25
R
epair for 2 mode Rotary hammers HR2230, HR2460 and HR2460F
P
8/
15
