Oil Seal 25/Cup Sleeve/Ball Bearing - Makita HR2610 Technical Information

R
epair
[3] DISASSEMBLY/ASSEMBLY
[3]-10. Oil seal 25, Cup sleeve, Ball bearing 6806LLU
DISASSEMBLING
(1) Assemble Inner housing complete to Gear housing complete.
(2) Put Inner housing complete on U-groove table portion of arbor press, then press Oil seal 25, Cup sleeve and Ball
bearing 6806LLB out of Gear housing complete using 1R252.
ASSEMBLING
(1) Pressfit Ball bearing 6806LLU into Cup sleeve. (Fig. 53)
(2) Receive the stepped collar of Gear housing complete on 1R258 as drawn in Fig. 54,
pressfit Oil seal 25 with 1R232 until it stops. (Fig. 55)
Oil seal 25 is not yet inserted completely because the outer diameter of 1R232 is larger than
that of Oil seal setting hole.
(3) Pressfit Oil seal 25 to the original position with 1R164 until it stops. (Fig. 56)
(4) Pressfit Cup sleeve with Ball bearing 6806LLU into place using 1R273. (Fig. 57)
Note: Too much pressure will deform Oil seal 25 and Cup sleeve. Pressfit them with gentle pressure.
Fig. 54
1R258
Fig. 56
Gear housing
complete
the stepped collar
(gray color portion)
to be put on 1R258
30mm
1R164
34mm
Fig. 55
Oil seal 25
Fig. 57
1R273
100mm
37mm
Cup sleeve with Ball bearing 6806LLU
37mm Note: Be careful to the direction.
1R258
P 19/ 22
Fig. 53
Ball bearing
6806LLU
Cup sleeve
1R232
36mm