![background image](http://html2.mh-extra.com/html/makita/bhr241/bhr241_technical-information_4225101006.webp)
R
epair
P
6
/ 1
4
[3] DISASSEMBLY/
ASSEMBLY
[3] -5. Torque Limiter Section
(cont.)
ASSEMBLING
Do the reverse of disassembling steps.
Note: Do not forget to assemble Flat washer 28 between Torque limiter section and Inner housing complete. Refer to Fig. 12.
[3] DISASSEMBLY/ASSEMBLY
[3] -6. Needle Bearing Complete and Oil Seal 25
DISASSEMBLING
Applying 1R252, press it with Arbor press.
Needle bearing complete is removed
together with Oil seal 25 from Gear
housing complete.
1R252
1R252
Oil seal 25
Needle bearing
complete
Fig. 16
Fig. 15
1) Disassemble Torque limiter section and Inner housing complete from Gear housing complete.
See Disassembly of [3] -5. Torque Limiter Section.
2) Insert Inner housing complete into Gear housing complete. (Fig. 15)
3) Remove Needle bearing complete and Oil seal 25. (Fig. 16)
Inner housing complete
Gear housing complete
As the side for joining to Motor
housing is not flat, Gear housing
complete can not stand vertically
without support.
Therefore, insert Inner housing
complete into Gear housing
complete as a support.
ASSEMBLING
Fig. 20
Fig. 19
1) Assemble Oil seal 25 to Gear housing complete in the order of Figs. 17 and 18.
2) Assemble Needle bearing complete as illustrated in Figs. 19 and 20.
1R164
1R164
1R164
outer diameter: 30mm
outer diameter: 34mm
1R232
Oil seal 25
With 1R232 and arbor press, insert Oil seal 25 until it stops.
Oil seal 25 is not yet inserted completely in this step,
because the outer diameter of 1R232 is bigger than that of
Oil seal setting hole.
The initial position of Oil seal 25
Oil seal 25
The diameter of Oil seal 25 setting
hole is less than 36mm.
outer diameter: 36mm
back side
Gear housing complete
belly side
Needle bearing complete
Press Needle bearing with
arbor press and the outer
diameter 34mm end
surface of 1R164 until
Needle bearing complete
stops.
Fig. 17
Fig. 18
Face the flat portion of Needle bearing complete to
the belly side of Gear housing complete.
Needle bearing complete
flat portion
Press Oil seal 25 to the initial position with arbor press
and the outer diameter 34mm end surface of 1R164.