AL-KO AT4F Series, Operating And Assembly Instruction Manual

Page: 112 / 140

Translation of original operating instructions
112
AL-KO AT4F ATEX
7.3.4.1 Maintenance
„
Check the damper for integration into the equipotential bonding. If necessary, the integration is to be renewed; al-
ternatively the damper is to be replaced.
„
Inspect the multi-leaf dampers for soiling, damage and corrosion.
„
Check the mechanical function of the multi-leaf dampers.
„
Lubricate the damper bearing and joints if necessary using appropriate lubricants.
„
Check the end position of the damper adjusting actuators and adjust, if necessary.
7.3.4.2 Cleaning
„
Clean the multi-leaf dampers at regular intervals.
7.3.5 Sound absorber
WARNING
Risk of cuts
During maintenance and cleaning of the sound attenuator splitters there is a risk of cuts.
„
Wear personal protective equipment (cut-proof gloves).
WARNING
Risk of explosion
Due to electrostatic charging of the sound absorber, there is a risk of explosion.
„
Integrate the sound attenuator splitter (with perforated plate) back into the unit potential
after each unfastening of the equipotential bonding.
ATTENTION
Observe the manufacturer's documentation.