GFA SI 80.12-55,00 Ex, Installation Instructions Manual

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13 Completion of commissioning / testing / operation
Check the following components and after that, mount all covers.
Gearbox
Check drive unit for oil loss (a few drops are not critical). Protect output shaft permanently
against corrosion.
Oil leakage!

Oil leakage may render explosion protection ineffective. Oil maintenance is
inadmissible.
Safety brake in the gearbox
The safety brake requires no maintenance or inspection.
Warning – Danger of the door dropping
In the case of a gearbox damage, the internal safety brake is triggered to prevent the
door from dropping. The gearbox stalls.
Releasing the stalling may cause the door to drop!

Block the door for pedestrians and vehicles.

Do not release the stalling. Do not use the emergency manual operation.

Secure the door against dropping. Please observe the specifications of the door
manufacturer.

The drive unit needs replacement. Please observe the specifications of the door
manufacturer.
Motor
Check motor for defective bearings