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Maintenance and repair
7
Maintenance and repair
DANGER
Danger of death from touching live parts.
Before maintenance work disconnect the machine
by pressing the main switch or unplugging it and
ensure that it cannot be turned on again.
WARNING
Hot surfaces and equipment
During maintenance work there is the danger of
getting burnt on hot components (Fig. 2/Q) and
by the machine lubricating oil.
Wait for the machine to cool down.
7.1 Ensuring
operational
safety
Regular maintenance work must be carried out in order to ensure operational safety.
Maintenance intervals also depend on the operational demands on the machine.
With any work observe the safety instructions described in Section 2.8 “Safety notes for installation, com-
missioning and maintenance”.
The whole unit should always be kept in a clean condition.
7.2 Maintenance
work
Interval
Maintenance to be carried out
Section
monthly
Check the pipes and screws for leaks and to ensure they are
seated properly and if necessary seal again or tighten up.
—
monthly
Check the terminal box and cable inlet holes for leaks and if
necessary re-seal.
—
monthly
Clean the ventilation slots on the machine and the motor
cooling ribs.
—
monthly
Check the oil level
7.2.1
5.000 h
Changing the oil
5.000 h
C-VLR 400 / 500: Lubricate the bearing on the side facing
away from the motor
monthly/ every 6 months
C-VLR 60: Clean or replace fi lter cartridge
7.2.2
depending on how dirty the
discharged medium is
C-VLR 100 - 500: Clean the micro fi lter
at least once a year
Check for coupling wear
7.2.3
