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DT 4.10, DT 4.16, DT 4.25, DT 4.40, DX 4.10, DX 4.16, DX 4.25, DX 4.40
8
MAINTENANCE, SERVICING AND DISMANTLING
DANGER
Danger to life due to electric shock
DANGER
Danger to life due to defective, dismantled and manipulated protective devices
WARNING
Danger from hot components
CAUTION
Contamination and damage to the environment by operating materials
NOTE
Wear suitable PPE
NOTE
For a description of the safety instructions, see 2.9
If a maintenance activity requires the dismantling of protective devices, these may only be dismantled for the
duration of the maintenance activity. Immediately after completion of the maintenance work, all guards must be
completely installed in the designated place and checked for proper functioning. The prescribed test intervals for
protective devices must be observed and complied with. Protective devices may only be maintained, replaced and
serviced by specially trained, instructed and authorised personnel.
Safety-related parts of the pump could be damaged or disabled by unauthorised tampering and manipulation.
Unauthorised tampering and manipulation of the safety-related parts of the vacuum pump, adjustable components,
is strictly prohibited and must be reported immediately to the responsible body.
8.1
MAINTENANCE AND SERVICING
As a prerequisite for safe and proper operation, it is essential that the pump is serviced and maintained at regular
intervals by appropriately qualified personnel. In addition, regular maintenance and servicing increases availability and
extends the service life of the pump. The recommended maintenance and servicing intervals are listed in this chapter.
8.2
PREPARATION
The responsibilities for installation, operation, maintenance and cleaning must be clearly regulated and defined.
For maintenance and servicing measures, it must be ensured that sufficient space is available for all work. The
maintenance area must be secured.
The following steps must be followed when preparing for maintenance and servicing activities:
1.
All existing electrical equipment must be individually disconnected. Maintenance during operation or when
the pump is switched on is strictly prohibited.
2.
If safety devices have to be dismantled or modified, they must be refitted, adjusted and tested immediately
after completion of the maintenance and servicing activities and before the pump is started.
3.
After that, a verifiably qualified electrician may carry out activities on the pump, taking into account the 5
safety rules.
After completion of the activities, the pump may be put back into operation after a visual inspection.
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