Replacing The Fork Bracket And Fork Shafts (L And S) - Brother BAS-705 Instruction Manual

6. STANDARD ADJUSTMENT (MECHANISMS)

6-3-3. Replacing the fork bracket and fork shafts (L and S)

Replace the fork in accordance with the thickness of the belt loops by referring to the table below.
w
r
!0
o
!0
o
!1
Clearance (mm)
Thin material
1.8
Standard
2.6
Thick material
3.2
q
t
y
e
u t
r
i
t
u
!1
i
!0
Belt loop thickness (mm)
0.7 1.3
1.1 2.1
1.8 2.7
[When replacing the fork]
1. Remove the four screws q, and then remove the
feeder cover w.
2. Remove the springs e from the cylinder setting
base and from fork bracket F and fork bracket B.
NOTE: Be sure to use the proper tool to remove the
spring.
3. Remove the two screws t on the fork r.
4. Pull the fork r out from the rotary cylinder y.
NOTE: If the fork being replaced is an assembly,
proceed to step 7 below.
5. Loosen the two retaining rings u, the two fork
bushings i and the two set screws o, and then
remove fork shafts L and S !0 from the fork r.
6. Install the two retaining rings u and the fork bush
ings i to the new fork !1 .
7. Secure the fork shafts L and S ! 0 0 with the two set
screws o so that the bevelled surfaces face inward.
8. Insert the new fork !1 into the rotary cylinder y.
9. Turn the rotary cylinder t as shown in the illustration
until it will not turn further, and then hold fork shafts
L and S !0 vertical beside each other, and install
them with the two set screws o.
10. Install the the springs e to cylinder setting base,
fork bracket F and fork bracket B.
11. Install the feeder cover w with the four screws q.
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BAS-705