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B
Clearance
adjustment
of tension
shafts
A proper
clearance
should be maintained
on the tension
shafts,
as shown
in Fig.4-3.
For adjustment, exchange''*''marked
washer
W8(t=0. 1, 0.2) with a proper
one.
The adjustment
should be perform-
ed, under
conditions
the tension
spring is freed.
w
i
Fig. 4-3
|
Cc
Oiling
Apply l~2 drops of L-1 on the following spots with a watch oiler.
Avoid too much
oiling which might cause
curtain tape peeling .
Tension
shaft: -
2 spots, both ends
of the lst tension
shaft
Wind
shait:-
6 points, on each bearing
D_
Bonding of curtain tape
If a curtain tape is peeled
off, re-bond
it as follows:
1
Clean up the remainder
of the adhesive.
2
Give a curl to the tape end by using a pair of tweezers
so that
the tape end well contacts
around the wind shaft.
Use
smooth
edged tweezers
not to tear off the tape.
Refer to Fig, 4-4.
3
Apply the adhesive
, on the surface
of the wind
shaft and cur-
tain tape.
4
When the surface seems to have been dried,
put the tape to
the position, fitting the tape end to the scratched
line on the
shaft surface.
Fig. 4-4
E
Pre-tensioning
As a pre-tensioning, turn the tension wheel(E64) of the both lst
and 2nd curtain for 2 1/2 revolutions.
Start tensioning when the
curtains
are returned, and the springs are freed.
\Q
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