28 BA_VTD410EV_A2_180706_en
6 Machine maintenance
ATTENTION!
Switch off the machine electrically and confirm that the
machine is really in standstill position by stepping the
treadle for the motor control.
Otherwise: DANGER of finger bruises and needle through
stitches/punctures.
The machine is maintenance free due to the automatic lubrication system (see
point “3.6 Lubrication”), only the oil drain hole “B” should be cleaned from dirt
and hair once a week, to enable the oil coming from the needle bar to drain off
(Fig. 13).
6.1 Checking the oil level
Make sure that there is always sufficient oil (1 litre) in the machine to enable
the pump to submerge into the oil and to bring upwards the oil (see also point
“3.6 Lubrication”).
A plastic container with a capacity of exactly 1 litre is supplied with the
machine. After having filled the machine with one litre oil, the oil pump's suction
piece is submerged into the oil.
Oil quantity and cleanness should be checked every six to twelve months
maximum.
If the oil is still clean enough, the oil quantity can be checked using the plastic
container. Drain the oil into this container and refill it into the machine if the oil
quantity is still correct. It is recommended to order a second oil container to
complete the oil quantity to one litre, if necessary.
There is an oil inspection glass on the outer machine cover (Fig. 8) through
which the correct function of the automatic lubrication can be controlled.
The first oil change should be done after about six month’s operation.
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