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1R258
P 19/ 25
Repair
[3] DISASSEMBLY/ASSEMBLY
[3]-8. Oil seal 25, Cup sleeve, Ball bearing 6806LLU
Fig. 60
Ball bearing
6806LLU
Cup sleeve
Fig. 61 Fig. 62
1R258
Fig. 63 Fig. 64
(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 6806LLU out of Gear housing complete using 1R252.
DISASSEMBLING
(1) Press-fit Ball bearing 6806LLU into Cup sleeve. (Fig. 60)
(2) While receiving the stepped collar of Gear housing complete on 1R258 as drawn in Fig. 61,
press-fit Oil seal 25 with 1R232 until it stops. (Fig. 62)
Oil seal 25 is not yet inserted completely because the outer diameter of 1R232 is larger than
that of Oil seal setting hole.
(3) Press-fit Oil seal 25 to the original position with 1R164 until it stops. (Fig. 63)
(4) Press-fit Cup sleeve with Ball bearing 6806LLU into the place using 1R273. (Fig. 64)
Note: Too much pressure will deform Oil seal 25 and Cup sleeve. Press-fit them with gentle
pressure.
ASSEMBLING
1R164
30mm
34mm
1R232
36mm
37mm
37mm
the stepped collar
(gray color portion)
to be put on 1R258
Gear housing
complete
Cup sleeve with Ball bearing 6806LLU
at the bottom
Note: Be careful to the direction.
1R273
100mm
Oil seal 25
Oil seal 25