-15-
Flat portion of
the Lock Ring
[18]
Protrusion
Opening of the Gear Case
[12]
Fig. 8
(3) Reassembly of the manual tightening
mechanism (Fig. 7)
(a) Mount the Lock Ring
[18]
to the Gear Case
[12]
so that the protrusion of the Lock Ring
[18]
aligns
with the concave portion of the Gear Case
[12]
.
At this time, mount the Lock Ring
[18]
so that its
flat portion faces the opening of the Gear Case
[12]
as shown in Fig. 7.
(b) Mount the Needle Roller Set (6 pcs.)
[16]
.
NOTE: Do not apply grease to the Lock Ring [18]
and the Needle Roller Set (6 pcs.) [16].
Otherwise, the manual tightening
mechanism may operate poorly.
(4) Reassembly of the deceleration mechanism
(a) Apply grease (Hitachi Motor Grease No. 29) to the engaging portions of each gear, Pin Set
[14]
and the
contacting surface of the Ring Gear
[20]
with the Steel Ball D4
[15]
properly.
(b) Mount the parts from the Pin Set (6 pcs.)
[14]
, Steel Ball D4
[15]
, Ring Gear
[20]
, Carrier
[19]
and
Planet Gear (C) Set
[17]
to the part assembled in the above (3). Then mount the parts up to Washer (A)
[28]
in order (Fig. 8).
Mount the Pin Set (6 pcs.)
[14]
first then mount the Steel Ball D4
[15]
.
Pay attention to the mounting direction of the Ring Gear
[20]
, Carrier
[19]
, Pinion (C)
[22]
and Pinion
(B)
[25]
(Fig. 8).
Check that the Needle
[13]
is mounted between Washer (B)
[24]
and the First Ring Gear
[27]
.
Fig. 7
Needle Roller Set (6 pcs.)
[16]
Lock Ring
[18]
Flat portion
Stepped portion
Steel Ball D3.5
[11]
Gear Case
[12]
Needle
[13]
Pin Set (6 pcs.)
[14]
Steel Ball D4
[15]
Needle Roller Set
[16]
Planet Gear (C) Set
[17]
Lock Ring
[18]
Carrier
[19]
Ring Gear
[20]
Washer (C)
[21]
Pinion (C)
[22]
Planet Gear (B) Set
[23]
Washer (B)
[24]
Pinion (B)
[25]
Planet Gear (A) Set
[26]
First Ring Gear
[27]
Washer (A)
[28]