5 Maintenance
5-4
5.1 What to take into account
(continued)
Take the standard safety precautions and proceed with great
care when carrying out any servicing work.
Please follow especially the points below:
Servicing work to be carried out by qualified personnel only.
Correct tools only to be used for servicing work.
Unit and power supply to be switched off before any servic-
ing work is carried out. Take measures to ensure that the
unit cannot be switched on accidentally!
Unit must be allowed to cool before carrying out servicing
work to avoid risk of burns!
Exception: oil change (unit at operating temperature); safety
instructions to be strictly adhered to in this case!
Unit to be disconnected from all sources of pressure and all
pressure removed before executing a maintenance work or
dismounting pressurised parts.
Scrupulous standards of cleanliness to be maintained dur-
ing servicing work; parts and exposed openings to be cov-
ered with a clean cloth, paper or masking tape.
Motor, air filter, electrical components, control equipment,
etc. to be protected from ingress of moisture, e.g. when be-
ing wiped.
Welding or other heat-based work never to be carried out in
close proximity to the oil system; oil tank to be fully dis-
charged and cleaned before such work.
No tools, loose parts or rags to be left in or on the unit.
Operating pressures, temperatures, time settings, control
equipment and cut-out devices to be checked for perfect
working order before unit is released for operation after
maintenance work.
Doors on unit to be closed before switching on the unit (in-
cluding for test run)!
Sound-absorbing materials to be left in place and retained.
General
Notes
