9. Maintenance
9.1In order to provide trouble-free operation, the following points
must be observed:
1 Motor unit
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Keep the chuck clean and well
lubricated.
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Keep the ventilation slots in the
motor housing free of dirt and dust.
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Check the system regularly for
water leakage.
10. Warranty
Hilti warrants that the tool supplied is
free of defects in material and work-
manship. This warranty is valid so
long as the tool is operated and han-
dled correctly, cleaned and servi-ced
properly and in accordance with the
Hilti Operating Instructions, all war-
ranty claims are made within
6 months for the motor unit and
1 year for additional equipment and
accessories from the date of the sale
(invoice date), and the technical sys-
tem is maintained. This means that
only original Hilti consumables, com-
ponents and spare parts may be
used in the tool.
Printed: 07.07.2013 | Doc-Nr: PUB / 5069608 / 000 / 00
2 Carriage
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The guide rollers require no mainte-
nance.
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Keep the motor unit mounting sur-
face clean.
3 Rails
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Keep the rails clean
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Internal tapers must be kept clean
and lubricated
4 Baseplate
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With the exception of the seals, the
baseplates require no maintenance.
This warranty provides the free-of-
charge repair or replacement of defec-
tive parts only. 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 pro-
hibit such exclusion. In particular,
Hilti is not obligated for direct, indi-
rect, incidental or consequential
damages, losses or expenses in
connection with, or by reason of,
the use of, or inability to use the tool
for any purpose. Implied warranties
9.2 Wearing parts
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Seals for the DD-BA-3 and DD-
BAV-4 vacuum baseplates
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Sealing discs for the DD-WC-S
water collector
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Sealing ring for the DD-WC-S water
collector
In case of technical problems
please contact the Hilti customer
service department.
of merchantability or fitness for a
particular purpose are specifically
excluded.
For repair or replacement, send tool
and/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 superse-
des all prior or contemporaneous
comments and oral or written agree-
ments concerning warranties.
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