Pull out the pre-filter by hand (3)
Replace the element and re-insert
17.8. Replacement of filter element
Remove the tube (1) from the quick coupling.
Loosen the filter bowl (3) using a wrench and dismantle.
Dismantle the filter element (4) by pulling it downwards.
Insert a new filter element.
Mount the filter bowl.
Slightly tighten the filter bowl using a wrench.
Mount the tube back on the quick coupling.
Fig. 20: Replacement of filter element
17.9. Check of fan and cooler
The entire device and especially the compressor fan, cooler fan (21) and cooler (14) must be kept
clean (Fig. 1, Fig. 2) – vacuum or blown down the cooling fins and fans with compressed air to
remove any dust from the surface.
NP-DK50 PLUS, 2V-A-3_02-2020-MD
Fig. 19: Inlet pre-filter replacement
42
PRODUCT MAINTENANCE
02/2020