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6-26
4. TRAVEL MOTOR
Wash all parts disassembly in treated oil and dry in the compressed air.
Perform maintenance including replacement or corrections in accordance with the following
criterion.
No.
1
2
3
4
5
6
7
8
9
10
11
13
14
15
16
Parts Name
Floating seal (1-2)
Angular bearing (1-3)
Housing (1-6)
Planetary gear A (1-
18), B (1-9)
Needle bearing (1-10),
(1-19)
Inner race (1-11), (1-
20)
Thrust washer (1-12)
Thrust plate (1-13), (1-
23)
Sun gear (1-15)
Holder (1-17)
Drive gear (1-22)
O-ring (1-25), (28),
(29), (39), (31-5), (44),
(50-6), (50-7)
Shaft (2)
Ball bearing (3), (27)
Oil seal (4)
Check Points
Sliding surface
Rolling surface
Gear tooth surface
Gear tooth surface
and rolling surface of
inner side
Rolling surface of
needle bearing
Rolling surface of inner
race
Sliding surface
Sliding surface
Gear tooth surface
Sliding surface of
planetary gear A
Gear tooth surface
Surface and hardness
Sliding surface of oil
seal
Same as No. 2.
Surface and hardness
of seal lip
Criterion (Recommended
standards for replacement)
No remarkable flaws, wear,
or seizure are noted.
No remarkable flaws, wear,
or flaking are noted on
balls and race.
No remarkable flaws, wear,
or flaking are noted on
gear tooth surface.
(Note 1)
No remarkable flaws, wear,
or flaking are noted as
same as No.3
No remarkable flaws, wear,
or flaking are noted.
No remarkable flaws, wear,
or flaking are noted.
No remarkable flaws, wear,
or seizure are noted.
No remarkable flaws, wear,
or seizure are noted.
Same as No. 3
No remarkable flaws, wear,
or seizure are noted.
Same as No. 3
No flaws and deflection are
noted. Not hardened.
No remarkable flaws, wear.
Same as No. 2.
No flaw, wear or deflection
are noted. Not hardened.
Measures
Replacement
Replacement
Replacement
Replacement
Replacement
Replacement
Replacement
Replacement
Replacement
Replace planetary A and
holder.
Replacement
Recommend that seals be
replaced with new ones at
time of reassembly, since
rubber materials normally
deteriorate with age.
Replacement
Replacement
Replacement
Note 1 : Pitching in this instance refers to a case where pitching occurs in more than 10% of
engagement area per tooth surface.