Bernina 990 - 14.2.2 Maintenance Information

Maintenance
14 Care and maintenance 98
Task Maintenance Interval Measures
Cleaning the Thread Catcher If the relevant message is displayed.
►
Clean the thread catcher. [}see
page101]
Cleaning the Needle
Threader and Thread Clamp
Regularly, depending on usage of
the machine.
►
Cleaning the needle threader and
thread clamp [}see page101]
Replacing the Needle Regularly, depending on usage of
the machine.
►
Replace the needle. [}see page33]
Update Firmware As soon as a new version is
available.
►
Updating Firmware. [}see page97]
Lubricating the Hook n Before using the machine for
the first time.
n After a longer downtime of the
machine.
n Before every new project.
Now and then during a project,
depending on the scope of the
project.
n Regularly, depending on usage
of the machine.
n If the relevant message is
displayed.
n In case of unusual noises in the
bobbin area.
►
Lubricate the hook. [}see page100]
Adjusting, cleaning and lubri-
cating machine components
inside the machine
n For intensive use: Every year
n For normal use: Every two years
n If the relevant message is
displayed.
►
Contact your BERNINA dealer.
Maintenance Information
Settings
►
Machine
►
Maintenance
Number of Stitches
The display Number of Stitches shows the number of
stitches that have been sewn with the machine.
Service Prediction / Service Interval
The display Service Prediction / Service Interval
shows how much of the maintenance interval has
elapsed. If the maintenance forecast reaches 100%, a
corresponding message is displayed when the machine
is started and the machine must be serviced.
Lubrication Prediction / Lubrication Interval
The display Lubrication Prediction / Lubrication
Interval shows how much of the lubrication interval
has elapsed. If the maintenance forecast reaches
100%, a corresponding message is displayed when the
machine is started and the machine must be lubricated.
[}see page100]
Number of Thread Cuts / Next Cleaning
The display Number of Thread Cuts / Next Cleaning
shows the number of thread cuts the machine has
made.