− 115 −
1)
Adjust the long corner knife so that the cutting length of the outside knife becomes from 4.0 mm to 6.0 mm.
For the actual adjustment procedure of the knife, refer to "(2) Adjusting the corner knife" of "Instruction
Manual (this manual) for APW-896", p.110.
2) After the adjustment of the knife, it is necessary to change the setting of excess cut length according to
the adjustment amount of corner knife since the initial values of the excess cut length of index (
/ ) are 4.0 mm respectively
Add 2.0 mm to the excess cut length and set the initial value 4.0 mm to 6.0 mm since the knife has been
adjusted so that the cutting length of the long corner knife becomes longer by 2.0 mm.
(Caution) When the setting exceeds 8.0 mm, the range that the corner knife cannot cut comes out.
The range is 4.1 mm to 5.9 mm as shown in (Fig. C).
This range corresponds to conditions
!
) and
@
) and error message (E480/E481) of “Setting that
corner knife does not cut” is displayed on the panel as well. Please understand.
In the standard state of delivery, the deection of corner knife can be used only up to 8.0 mm.
When desiring to perform the deection setting of more than 8.0 mm, change the setting of deection
following the procedure next. The following is an example of deection setting of 10.0 mm.
Fig. C
Relation of positions of left/right corner knives (Deection setting of 10.0 mm is taken as an example.)
0mm to 4.0mm
Short Short
4.1mm to 5.9mm
6.0mm to 10.0mm
Short Long
Corner knife cannot cut properly.
The range corresponds to
conditions
!
) and
@
).
Range that corner knife cannot cut
Short Long
Condition
!
)
When the range exceeds 4.0 mm, the corner
knife cannot cut.
Condition
@
)
When the long knife enters the inside of the
short knife, the corner knife cannot cut.
(Caution) When the sewing type is changed, be sure to use the machine after conrming the positions of
corner knife and center knife with trial sewing.
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