Brother International BAS-705 Instruction Manual - English - Page 68

Replacing the movable knife and fixed knife, 6-9. Adjusting the belt loop and presser foot height

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6. STANDARD ADJUSTMENT (MECHANISMS) 6-8. Replacing the movable knife and fixed knife 1. Remove the stud screw q and bolt w, and remove the knife unit. 2. If the movable knife e is slid downwards, it can be removed. NOTE: Remove all dust from the cutter unit. 3. If the two screws r are removed, the fixed knife t w can be removed. i 4. Install by carrying out the above procedure in re- q !0 verse. NOTE ɾWhen replacing the movable knife, connect the loop support y to the new knife. e ɾAfter replacing the movable knife, if the mov- u able knife does not move smoothly, or if it has y o a large amount of looseness, loosen the four r t screws u and adjust the position of the movable knife guide i so that there is no loose- ness and the movable knife moves up and down smoothly. ɾLoosen the two bolts o and move the fixed knife shaft backwards and forwards to adjust the meshing so that #80 cotton or spun rayon thread can be cut. 6-9. Adjusting the belt loop and presser foot height Make this adjustment at the point where the belt loop is under the presser foot during step operation. 1. Loosen the nut e of the shock absorber w under- neath the driving cylinder arm q, and then turn the shock absorber w to adjust so that the space be- q tween the presser foot r and the belt loop t is 1 - w 2 mm. e 2. After adjusting, tighten the nut e to secure the shock absorber w. NOTE: If the amount of looseness in the belt loops is too great, the loose section may touch the presser foot r. In such a case, lower the fork r enough so that the belt loops do not touch the presser foot r. 1-2mm t ʕ65ʕ B A S -705

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6-8. Replacing the movable knife and fixed knife
6. STANDARD ADJUSTMENT (MECHANISMS)
1.
Loosen the nut
e
of the shock absorber
w
under-
neath the driving cylinder arm
q
, and then turn the
shock absorber
w
to adjust so that the space be-
tween the presser foot
r
and the belt loop
t
is 1 -
2 mm.
2.
After adjusting, tighten the nut
e
to secure the shock
absorber
w
.
NOTE:
If the amount of looseness in the belt loops is
too great, the loose section may touch the
presser foot
r
. In such a case, lower the fork
enough so that the belt loops do not touch the
presser foot
r
.
1.
Remove the stud screw
q
and bolt
w
, and remove
the knife unit.
2.
If the movable knife
e
is slid downwards, it can be
removed.
NOTE: Remove all dust from the cutter unit.
3.
If the two screws
r
are removed, the fixed knife
t
can be removed.
4.
Install by carrying out the above procedure in re-
verse.
NOTE
・
When replacing the movable knife, connect the
loop support
y
to the new knife.
・
After replacing the movable knife, if the mov-
able knife does not move smoothly, or if it has
a large amount of looseness, loosen the four
screws
u
and adjust the position of the mov-
able knife guide
i
so that there is no loose-
ness and the movable knife moves up and
down smoothly.
・
Loosen the two bolts
o
and move the fixed
knife shaft backwards and forwards to adjust
the meshing so that #80 cotton or spun rayon
thread can be cut.
6-9. Adjusting the belt loop and presser foot height
Make this adjustment at the point where the belt loop is under the presser foot during step operation.
―
65
―
BAS-705
i
q
e
u
y
r
t
w
!
0
o
q
w
e
r
t
1-2mm