- 22 -
Bush
(with non-circular hole)
Spring case
Spring
Steel plate
Weld both
sides.
Notch key
Notch spring
Bush
(with non-circular hole)
4) Place the outer edge of the spring on the spring fixing portion of the drum.
Refer to Figure 25.
Figure 25
5) Insert a screw driver into the space between the band and
the spring as shown in Figure 26, then remove the band.
Take care not to catch your finger in the spring
since the spring will expand explosively when
the band is remove.
6) Lubricate the spring with 22 cm
3
(mL) of grease
(KYODO, ONELUBERMP No.2 or equivalents).
Spread grease all over the spring.
(7) Follow the procedure given in Section 13-3. "Common reassembly method" (page 27).
■
For spring structure B (1 spring and 1 empty spring case)
(1)
Remove the bush and the empty spring case
from the drum.
(2)
Weld steel plates to the spring in order to
prevent the spring from expansion.
Use steel plates with enough length to cover
the periphery of the spring, and weld along
the whole length.
NOTE: Wipe off all grease from the spring
surface to avoid grease combustion.
(3)
Remove the welded spring from the drum.
NOTE: When removing the spring, the
notch key and two notch springs
will drop out from the spindle.
Take care not to lose them.
(4)
Remove the bush from the spring.
(5)
Before reassembly, clean and inspect all the
disassembled parts.
Replace worn, cracked, damaged or deformed parts.
5 t
o 1
5m
m
Insert a screw driver here.
Forward
winding
Reverse
winding
The band should contact with
the spring fixing portion.
Band
Spring
Drum
Screw driver
Figure 26
Figure 27
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