Servicing And Maintenance; Preventive Measures For Servicing And Safe Operation; Disconnection From The Mains - AUMA SQEx 05.2 Manual

Servicing and maintenance

13 Servicing and maintenance
CAUTION
Service & Support AUMA offers extensive service such as servicing and maintenance as well as cus-

13.1 Preventive measures for servicing and safe operation

13.2 Disconnection from the mains

40
Damage caused by inappropriate maintenance!
à Servicing and maintenance must be carried out exclusively by suitably qualified
personnel having been authorized by the end user or the contractor of the plant.
We recommend contacting our service for any interventions.
à Only perform servicing and maintenance tasks when the device is switched off.
tomer product training. Contact addresses are indicated on our website (http://
www.auma-usa.com).
The following actions are required to ensure safe device function during operation:
6 months after commissioning and then once a year
• Carry out visual inspection:
Check cable entries, cable glands, blanking plugs, etc. for correct tightness and
sealing. If required, tighten cable glands and blanking plugs with torque in compli-
ance with the manufacturer's specifications.
Check actuator for damage as well as for grease or oil leakage.
• When deployed in areas where dust formation represents a potential explosion
hazard, perform visual inspection for deposit of dirt or dust on a regular basis.
Clean devices if required.
• Check fastening screws between actuator and gearbox/valve for tightness. If re-
quired fasten screws while applying the tightening torques as indicated in the
sembly [} 13] chapter.
• When rarely operated: Perform test run.
For enclosure protection NEMA 4X/6P
After immersion:
• Check actuator.
• In case of ingress of water, locate leaks and repair. Dry device correctly and check
for proper function.
If the device must be dismantled, for service purposes, it can be isolated from the
mains without having to remove the wiring at the electrical connection.
As-