30
[Figure 48]
[Movable knife initial assembling
position]
[Trimming cam lead]
Comple-
mentary
straight line
Trimming
finish point
Starting point of
movable knife
movement
[Figure 49]
[Adjustment Order]
ⓐ
Manually turn the pulley to finish trimming of the trimming cam
④
. Place the cam so that the roller can enter the
complementary straight line
⑤
.
ⓑ
Slightly loosen the fixing screws
⑥ ⑦
of movable knife shaft crank of both the left and the right.
ⓒ
Press the trimmer shake linkage
⑧
to enter the roller
⑨
inside the cam. Push the linking bar
⑩
to the right or the left
crank linking rod
⑪
to the left so that there is no excess room in each linking device. When this is done, the roller
⑨
gets to adhere to the right side of the cam
’
s complementary straight line
⑤
, as can be seen in the picture
⑫
. While
maintaining this position, adjust to make the movable knives on the right and the left protrude about 3mm from the
fixed blade-edge
②
. Now, tightly fasten the crank fixing screws
⑥⑦
on both sides.
ⓓ
If the initial position of the movable knives of both sides are to be adjusted slightly, use the ball joint linking bar
⑩
. If
only the movable knives are to be adjusted, use the linking rod
⑪
.
D. Adjusting lower thread holder (See figure 49)
The position of lower thread holder
①
is set by fixed
blade
②
and bolt
③
. Like in the picture, loosen the
bolt
③
and place the lower thread holder
①
edge at
the lower side of the movable knife
④
, about 8mm
apart from the movable knife edge
⑤
. Make sure to
check that the right and left upper sides
of the
lower thread holder is tightly adhered to the lower
side of the movable knife.
C. Final fixing of the movable knife
’
s initial position (See figure 48)
※
The standard initial assembling position of the movable knife
①
is where the movable knife-edge protrudes about
3mm
③
from the fixed blade edge
②
when the trimming action is finished, that is, when the movable knife is in its
initial stop position. When fixing the position of the movable knife, the following directions must be followed so that the
power generated in the cam
④
is delivered without any loss to the trimming action.
