14
BES-960BC.1260BC
Chapter 2 Parts Replacement and Adjustment
[Reassembling the head]
1. Hook the head q on the projections of the bridge w, make contact with the right side of the head to the spring pin e,
and attach the head
q to the bridge w with the three bolts r.
2. As shown in the figure, insert the driving shaft t from the left while passing it through the inner presser collar i, the
thrust roller bearing o, and the two thrust washers !0 so that the zero bight needle location dog y and the photo-sensor
u do not make contact with each other.
Insert the driving shaft
t all the way until the visor of the bearing !2 makes contact with the end of the driving shaft
bearing !3.
3. Press pulley B
!1 so that it covers the driving shaft bearing !3 with the inner presser collar i, and tighten the set screw
of the inner presser collar
i to eliminate end play.
r
q
e
w
t
y
u
!0
o
!0
i
!1
!2
!3
t
i
visor
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