(13) Replacing the fuse
WARNING :
To prevent electric shock or personal injury caused by abrupt start of the sewing machine, turn
OFF the power and remove the cover after an elapse of 5 minutes or more. To prevent personal
injury, be sure to turn OFF the power and replace the fuse with one with same capacity after remov-
ing the cause of blown-out of the fuse when the fuse has blown out.
1
2
(14) Standard of replacing time of the gas spring
DANGER :
There is a risk of pinching of hand, fingers and arms to cause a serious injury if you raise it when
the gas spring does not function, since the sewing machine is very heavy in weight.
In order to prevent an accident, be sure to replace the gas spring with a new one before it is too
late according to the standard of replacing time (as described below).
4
3
1) Turn OFF the power wth the power swtch after
confirming that the sewing machine has stopped.
2) Draw the power cord from the power receptacle
after confrmng that the power swtch s turned
OFF. Then wat for more than 5 mnutes.
3) Remove sx screws fxng the rear cover of the
control box. Then slowly open the rear cover.
4) Grasp the glass secton of the fuse to be replaced
and remove t.
5) Use the fuse with the specified capacity.
T h e m a c h i n e u s e s t h e
following four fuses.
1 and 2 For servo-motor power protection
15 A each
(Standard melting fuse pcb direct-installing
type)
3 For control power and active tension
protection
10 A (Time-lag fuse)
4 For stepping motor protection
6.3 A (Time-lag fuse)
1) Gas sprng s one of the consumables. Gas nsde
the gas sprng wll be gone naturally even when
the frequency of use s low and the sprng cannot
dsplay the thrust to secure the safety.
In case a force of 156N or more s necessary when
passng strngs through the front end of machne
bed and lftng the sewng machne as shown n
the left-hand figure, quickly replace the spring with
JUKI genune gas sprng (Part No. : 40061247).
Gas spring is a component that can be used
with ease. However, there is a flaw on the rod
section or a section that is weak in the side
load when the gas spring is fully stretched.
Be very careful when performing maintenance
or cleaning of the sewing machine.