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30
English
2338162
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2. Use the flat brush to clean piston
(1)
.
3. Use the thick round brush to clean the piston guide (inside)
(2)
.
4. Use the thin round brush to clean cartridge chamber
(3)
.
5. Use the flat brush to clean the piston guide (outside)
(4)
.
▶
Oil the piston guide (outside) with
Hilti
spray.
6. Use the flat brush to clean the base plate (inside)
(5)
and use the thick round to clean the thread (outside)
(6)
.
7. Use the thin round brush to clean the through-bore for the piston
(7)
.
8. Use the flat brush to clean the fastener guide (outside)
(8)
.
▶
Oil the fastener guide (outside) with
Hilti
spray.
9. Use the thick round brush to clean internal thread
(9)
of the base-plate mount.
▶
Oil the internal thread of the base-plate mount with
Hilti
spray.
8.3.5 Replacing jammed stop ring
If piston guide and piston jam on disassembly, the deformed stop ring might have become jammed on the
piston.
1. Disassemble the fastening tool to the point at which you can remove the piston guide.
2. Insert the rod through the cartridge chamber and use the rod to push the piston out of the piston guide.
3. Remove the friction ring and pull the stop ring off the piston.
4. Replace the stop ring and the stop ring.
8.3.6 Final check of the fastening tool
▶
After carrying out care and maintenance, check that all protective and safety devices are fitted and that
they function faultlessly.
9
Troubleshooting
WARNING!
Risk of injury! Before you start troubleshooting, make sure there are no cartridges in the
fastening tool. If the cartridges cannot be removed, contact
Hilti
Service
If the trouble you are experiencing is not listed in this table or you are unable to rectify the problem by
yourself, please contact
Hilti
Service.
Malfunction
Possible cause
Action to be taken
Cartridge is not transported
Cartridge strip damaged.
▶
Unload the fastening tool.
▶
Remove the cartridge strip and
insert a new strip.
Fastening tool is damaged.
▶
Contact
Hilti
Service.
Cartridge strip cannot be
removed
The fastener driving rate is too
high.
▶
Allow the fastening tool to cool
and then carefully try to remove
the cartridge strip. Remove the
piston guide from the fastening
tool. If the cartridge sleeve
is jammed in the cartridge
chamber, use the round rod to
remove it. If the cartridge sleeve
remains jammed, contact
Hilti
Service. Do not attempt to
forcibly remove cartridges from
the magazine strip.
Fastening tool dirty.
▶
Clean and oil the fastening tool.
The cartridge doesn’t fire
Bad cartridge (does not fire or
achieves slight or no impact).
▶
Pull the cartridge strip through
to the next cartridge.
Fastening tool dirty.
▶
Clean and oil the fastening tool.
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