DKL CHAIRS L2-ECO, Operating Instructions Manual, Page: 240 / 266

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9000-606-39/30 1709V004
Operation
10 Maintenance
All maintenance work must be performed by a qualified expert or by one of our Service Techni-
cians�
Prior to working on the device or in case of danger, disconnect it from the mains (e� g� pull the
mains plug)�
WARNING
Infection due to contaminated unit
i
Clean and disinfect the suction before working on the unit�
i
Wear protective equipment when working (e� g� impermeable gloves, protective goggles
and mouth and nose protection)�
Maintenance interval Maintenance work
Dependent upon the
level of usage of the
device
i
Clean or replace the protective sieves at the aspiration inlet� At the lat-
est, however, when the suction power of the unit diminishes�
Annually
i
Cleaning of the suction unit in accordance with the operating instruc-
tions�
i
Clean or replace the protective sieves at the aspiration inlet�
i
Where a rinsing unit is present: Clean the sieve/coarse filter in the water
intake� *
i
Perform a function test� *
Every 3 years
i
Replace the rubber grommets on the connections� *
Every 5 years
i
Replace the rubber grommets on the connections� *
i
Replace all o-rings in the unit� *
* Only by customer services service technicians�
EN