Hilti DX 9-HSN Manual page 20

Status
Worn
Note
Always replace the pis-
ton and piston brake
together.
Nosepiece wear criteria
Status
New condition
Worn
Have it replaced by
Hilti Service
12 English
Printed: 28.06.2017 | Doc-Nr: PUB / 5359689 / 000 / 00
Illustration showing example
Illustration showing example
Annotation
Depressions (dents) in the piston
are clearly visible.
The rubber part of the piston
brake is cracked or torn.
The rubber part has become de-
tached from the metal part (no
illustration).
Annotation
Obvious signs of chipping.