
ETA 19/0665 v03 of 22/01/2020 page 11 of 18
Cleaning alternatives
Manual Cleaning (MC):
Hilti hand pump for blowing out drill holes
with diameters d
0
≤ 20 mm and drill hole
depths l
b
≤ 10 · ϕ.
+ brush HIT-RB
Compressed Air Cleaning (CAC):
air nozzle with an orifice opening of
minimum 3,5 mm in diameter.
+ brush HIT-RB
Automatic Cleaning (AC):
Cleaning is performed during drilling with
Hilti TE-CD and TE-YD drilling system
including vacuum cleaner.
Annex B7
of ETA N° 19/0665
Intended Use
Cleaning alternatives