Hilti DX 351 BT, Operating Instructions Manual, Page: 28 / 126

23
en
3. Fit the complete unit into the tool so that the marks on
the piston guide and on the metal housing are in align-
ment.

4. Press in the piston stops when the piston guide has
been inserted far enough for the stops to fit into the
openings at the side of the piston guide.

5. Release the black housing and screw it on to the tool
(only 1–2 turns).

6. Push in the piston as far as it will go. The piston can
be inserted only before the black housing is screwed
on fully (before the final turn). Then screw on the black
housing as far as it will go (until it engages).

7. Press the fastener guide firmly against the piston guide
and then screw it on until it engages.

8.11 Checking the tool following care and
maintenance
After carrying out care and maintenance on the tool,
check that all protective and safety devices are fitted and
that they function correctly.
-CAUTION-
The use of lubricants other than Hilti spray could dam-
age rubber parts, especially the buffer.
Printed: 20.08.2013 | Doc-Nr: PUB / 5069824 / 000 / 02