EKOM DK50 4x4VRT/M, User Manual

Page: 56 / 74

PRODUCT MAINTENANCE
NP-DK50-Nx4VRTM-AD-A-EN-4_03-2021 56 03/2021
filter cover (7). (Fig. 27)

Remove the 2 nuts (8) on the filter bracket (9) and remove the filter (10).

At Point B (on the sides (11), remove the 2 nuts (12), washers (13), release the filter bracket
(14) and remove the filter (15).

Clean or wash the filters, if heavily contaminated, in a solution of soapy water and allow to
dry completely.

Reinstall the filters once dry (reverse the procedure to reassemble).
Fig. 27: Compressor inlet filter cleaning/replacement
17.9. Compressor performance check

Turn off the compressor using the STOP button.

Vent the air pressure in the air tank to zero.

Turn on the compressor using the START button.

Measure the time to fill the air tank from 0 to 7 bar.

The measured value must be less than the data provided in the “Technical Data” table.
17.10. Check of non-return valve operation
Compressed air line:
Check for the proper operation of all non-return valves in the compressed air line and the
disconnection of pressure hoses from air pumps.
One aggregate must be running at all times, while the others may be shut off
using the current protection device in the switchboard. No compressed air may
leak from the check valves.