Parker EME Maintenance and service192-510014 N04 March 2010 15In this chapter you can read about:Safety Instruction ............................................................................................................... 15Maintenance schedule ....................................................................................................... 16Check free movement of the sliding carriage .................................................................... 16Replacment interval for wearing parts ............................................................................... 17Checking / exchanging / tensioning timing belt.................................................................. 19Use only repair parts of Parker Hannifin GmbH.Improper or unprofessional repair will lead to an expiry of any warranty.If you encounter problems, please contact:Parker Hannifin GmbHElectromechanical AutomationService Dept.Tel.: (+49) (0)781 509-700Fax: (+49) (0)781 509-983163.1 Safety InstructionBefore performing any maintenance or repair work, turn the power switch to the '0'setting and secure it with a padlock -against manipulation. If the unit needs to beoperable for specific repair works, you have to be especially cautious: Ensure by allmeans that no persons are in the hazardous area. If required, safeguard thehazardous area with additional barriers or gratings against unauthorized persons.Repair jobs must only be performed by qualified specialists or employees ofParker.Only qualified expert personnel is permitted to perform works on the linear actuator.All the applicable regulations and provisions must be heeded (IEC, EN, nationalaccident prevention regulations etc.).Qualified persons as the term is used in this manual are persons who: Persons who, by virtue to their training, experience and instruction, and theirknowledge of pertinent norms, specifications, accident prevention regulations andoperational relationships, have been authorised by the person responsible for thesafety of the system to perform the required task and are capable of recognisingpotential hazards and avoiding them (definition of technical personnel accordingto VDE015 or IEC364), Persons who have a knowledge of first-aid techniques and the local emergencyrescue services. Persons who have read and will observe the safety instructions.If set-up, repair or maintenance works require that safety installations bedismounted, these must be reinstalled immediately after the respective workshave been completed. The unit must be shut down before any of the safetyinstallations are dismounted.3. Maintenance and service