D860MGB rev04
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-The real working hours of a good oil, without the above mentioned factors, go from 3000 to 5000 max. about.
These limits are however influenced by the two above mentioned factors.
-Every year at least and however every 2000 working hours, check the oil preservation condition: smell, color,
foam, dirt particles, etc. If necessary, contact a specialized analysis laboratory.
In case the oil needs to be replaced, pay attention to the anti-pollution regulations in force
10.6
ELECTRICAL ANTI-CREEP SYSTEM (RE-LEVELING)
During controls on the installation, check the working of the anti-creep system, activating the hand
emergency at every floor and, re-leveling occurred , the hand pump (check relevelling downward)
10.7
EMERGENCY LOWERING WITH THE BATTERY
Check periodically the battery efficiency, switching off the feeding tension.
10.8
PLATES, DIAGRAMS, INSTRUCTIONS
Check periodically the presence of plates, diagrams and instructions where requested.
10.9
INVERTER MAINTENACE
To ensure long service life and smooth operation of the drive, carry out the following checks at regular
intervals.
Always isolate the drive from the power supply and make certain the keypad is off before proceeding
Remove the dust that collects on the cooling fans and on the control circuit board, preferably by means of
compressed air or using a vacuum cleaner.
Check that there are no screws loose at the power or control terminals.
Check that the operation of the inverter drive is <<normal>> and that there are no signs of overheating.
MEGGER TEST
When performing insulation tests using a Megger tester on the input/output cables or on the motor,
remove all the connections to all terminals of the drive and perform the test only on the power circuit,
in accordance with the adjacent diagram. Do not Megger test the control circuits..
10.10
RECOMMENDED PERIODIC MAINTENANCE
PERIODICAL RECOMMENDED
MAINTENANCE OPERATIONS
FOCUS ON THE OPERATING INSTRUCTIONS FOR THE
PERIODICAL MAINTENANCE
INSTALLATION
COMPLETED
EVERY 2-3
MONTHS
EVERY
YEAR
EVERY 5-10
YEARS
CHECK OF THE SEALING OF THE CYLINDER
SEALS
CHECK OF THE SEALING OF THE VALVE
SEALS
CHECK OF THE PIPE SEALING
CHECK
OF
THE
OIL
LEVEL
AND
