9. Tools and accessories
Item
Designation
Step drill bit
TX-BT 4/7-80
Step drill bit
TX-BT 4/7-110
Step drill bit
TX-BT 4/7-150
Centering device TX-BT CD 18/24
10. Troubleshooting
Fault
Chuck not rotating.
Speed suddenly drops
substantially.
Battery becomes
discharged more quickly
than usual.
Battery not engaging with - Battery locking lugs dirty.
audible click.
Drill or battery getting hot. - Electrical fault.
Bit slipping in chuck.
Belt hook coming off.
11. Manufacturer's warranty – tools
Hilti warrants that the tool supplied is free of defects
in material and workmanship. This warranty is valid so
long as the tool is operated and handled correctly,
cleaned and serviced properly and in accordance with
the Hilti Operating Instructions, and the technical sys-
tem is maintained. This means that only original Hilti
consumables, components and spare parts may be
used in the tool.
This warranty provides the free-of-charge repair or
replacement of defective parts only over the entire lifes-
pan of the tool. Parts requiring repair or replacement
as a result of normal wear and tear are not covered by
this warranty.
Additional claims are excluded, unless stringent
national rules prohibit such exclusion. In particular,
Printed: 07.07.2013 | Doc-Nr: PUB / 5071409 / 000 / 00
Item number
377079/9
377080/7
377081/5
378885/8
Possible cause
- Battery not fully engaged.
- Battery discharged.
- Electrical fault.
- Battery nearly discharged.
- Battery not in good condition.
- Drill overloaded (limit specified for
application exceeded).
- Bit jamming.
- Chuck insufficiently tightened.
- Hook not correctly attached.
Item
Designation
Charger
C7/24
Battery
SFB 185
Belt hook
Scaffold hook
Belt adapter
SFB 180 / 185 BAP
Remedy
- Battery must engage with audible click.
- Battery must be charged
- Contact Hilti Service Centre.
- Replace with a charged battery.
- Charge battery in conditioning mode.
(see Operating Instructions)
- Clean lugs so battery engages with an
audible click.
- Contact Hilti Service Centre if problem
continues.
- Switch drill off immediately.
Remove battery and contact Hilti Service
Centre.
- Use the drill appropriately for the
application.
- Release jammed bit.
- Tighten chuck appropriately.
- Refer to the Operating Instructions.
Hilti is not obligated for direct, indirect, incidental
or consequential damages, losses or expenses in
connection with, or by reason of, the use of, or inabil-
ity to use the tool for any purpose. Implied warranties
of merchantability or fitness for a particular purpose
are specifically excluded.
For repair or replacement, send tool or related parts
immediately upon discovery of the defect to the address
of the local Hilti marketing organization provided.
This constitutes Hilti's entire obligation with regard to
warranty and supersedes all prior or contemporane-
ous comments and oral or written agreements con-
cerning warranties.
Item number
en
7