VHF N4 Impression - Unattended Operation; Transportation and Storage

General safety instructions and operating regulations
7
Original instructions: N4 Impression
Document version: H – 05/2019
h Do not use unbalanced tools at high rotational speeds.
Such an imbalance puts a great strain on the spindle’s
ball bearings, which can cause the bearings to be dam-
aged.
h When working in the working chamber, do not apply
manual pressure against the spindle.
2.2.5 Unattended operation
If the machine runs unattended, the risk of material damage
is increased.
h Only allow unattended operation of the machine to oc
-
cur if the following conditions are met:

The national and local laws allow it.

The working chamber is completely clean.

Unauthorized users cannot access the machine.

The room in which the machine is located has an auto-
matic
redetectionsystem.
2.2.6 Transportation and storage
WARNING
Injuries caused by unsafe transportation
If you transport the machine unsafely, the machine may slip
and cause injuries.
h Always transport unpacked machines
individually and do not stack them.
h Ensure that only trained personnel transport the ma-
chine to and from the installation site.
h Ensure that the housing of the machine is completely
closed.
h Always transport the machine in an upright position.
h Transportandpositionthemachinewith2people.
h Grab unpacked machines only at the left and right grips
located at the bottom of the machine.
NOTICE
Short-circuit hazard when the machine is too
cold
If the machine is transported from a cold environment into
a warmer environment, a short circuit may occur caused by
condensate.
h Before switching on the machine after transportation,
ensure the following:
 The ambient air has the allowed temperature.
 The machine has the same temperature as the ambient
air. This will take at least 48 hours.
 The machine is completely dry.
h Ensure that the following conditions are met during the
whole transportation and / or storage period:

Ambient temperature (storage / transport): between
-20 °C (-4 °F) and 60 °C (140 °F)

Relative air moisture: max. 80 %, non-condensing
Preparing transportation or storage
Before transporting or storing your machine, the following
preparations are necessary:
M1. Remove all blanks from the working chamber.
M2. Rinse the cooling liquid system.
M3. Drain and clean the cooling liquid tank.
M4. Clean the working chamber.
M5. Install the transport lock. For this, see the correspond
-
ing steps on the supplement.
M6.
Ensure that the housing of the machine is completely
closed.
M7. Switchothemachineatthemainpowerswitch.
M8. Disassemble the machine components by following the
installation instructions in reverse order.
M9. In case of overseas transport, take proper measures
against corrosion.
Repackaging
To repack the machine after preparing its transportation or
storage, the following steps are necessary:
M1. If possible, use the original packaging. If the original
packaging is not available, use a packaging of similar
size and quality.
b
Original packaging is available from customer service.
M2. Pack the machine and its accessories securely.
M3. Protect the packaging against slipping. If machines are
properly packed and protected against slipping, they
may be stacked.