*2194029*
2194029
English
15
5. Clean the inside of the tool. Then stand the tool upside down and tap it firmly with your hand so that the
dirt falls out.
6. Use the large accessory wire brush to clean the surfaces of the piston guide (see marked area).
7. Use the small round brush to clean the cartridge chamber and the adjoining holes for the power regulation
pin.
8. Use the narrow round brush to clean the cartridge guideway.
9. Use
Hilti
lubricant spray to lubricate the moving parts of the fastener strip guides and the fastener strip
guides in the base plate.
Use of other lubricants may damage the rubber parts, especially the piston brake. Moreover, other
lubricants may cause dust to adhere to parts of the tool resulting in a build-up of deposits.
10. Slide the piston guide into the tool from above, until the catch engages.
11. Pull out the catch and hold it in this position. Insert the piston, pushing it in until the tip of the piston no
longer projects beyond the end of the tool, and then release the catch.
12. Fit the piston brake into the base plate.
13. Fit the base plate. → page 14
14. Press the reset button for at least 1 second to reset the counter for the number of fasteners driven until
the next scheduled cleaning operation is due.
15. Check that the tool is ready for use. → page 9
7.5
Criteria for replacement of wear parts
Piston and piston brake wear criteria
Status
Illustration showing example
Annotation
New condition
Worn
Always replace the pis-
ton and piston brake
together.
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).
Summary of Contents for DX 9-HSN
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