Please read and save these instructions for future reference. Read carefully before attempting to assemble, install, operate or aintain the product described. Protect yourself and others by observing all safety information. Failure to comply with these instructions will result in voiding of the product warranty and may result in personal injury and/or property damage.
 

Receiving and Handling
Upon receiving dampers, check for both obvious and hidden damage. If damage is found, record all necessary information on the bill of lading and file a claim with the final carrier. Check to be sure that all parts of the shipment, including accessories, are accounted for.
Dampers must be kept dry and clean. Indoor storage and protection from dirt, dust and the weather is highly recommended.
 

Safety Warning
Improper installation, adjustment, alteration, service or maintenance can cause property damages. Read the installation, operating, and maintenance instructions thoroughly before installing or servicing this equipment.

 

PERIODIC MAINTENANCE
APS Arosio dampers are designed to be trouble free and hassle free under normal operation. Dampers are to installed square and straight so as to prevent binding during operation. the following damper maintenance suggestions will help to ensure proper damper operation and increase the life expectancy of the damper.
 

External check

• Check the damper frame to make sure that no external damage has occurred;
• Check that the shaft of the damper can be turned to both end positions.
   

Internal checks

• Check that no damage or foreign objects prevent the damper blade to move;
• Check that the seals on the damper blade are intact;
• Check that the blades are free to move and that no signs of friction betweens blades and frame are visible;
• If is not possible to carry out an internal check as described above, can the function of the damper only be checked by measuring the differential pressure over the closed damper.

WARNING! The damper contains movable!
 

Damper with actuator

• Check that the actuator has not become loose from the shaft or the installation shelf;
• Check the working of the actuator
   

Cleaning

• Over the course of time, dirt and grime may collect on damper surfaces. The damper surfaces should be cleaned to prevent hindrance to airflow.
• Cleaning requirements are the same as for the installation or the parts of the installation generally.
• Do not use solvents which can damage seals and bearings.