Regrinding:
Pointed
chisel
Flat
chisel
Wide flat
chisel
Channel
chisel
Hollow
chisel
Warranty
Hilti warrants that the tool sup-
plied is free of defects in materi-
al and workmanship. This war-
ranty is valid as long as the tool
is operated and handled correc-
tly, cleaned and serviced pro-
perly and in accordance with the
Hilti Operating Instructions, all
warranty claims are made within
12 months from the date of the
sale (invoice date), and the tech-
nical system 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. Parts re-
quiring repair or replacement as
a result of normal wear and tear
are not covered by this warranty.
Additional claims are exclu-
ded, unless stringent national
rules prohibit such exclusion.
In particular, Hilti is not obliga-
ted for direct, indirect, inci-
dental or consequential dama-
ges, losses or expenses in
connection with, or by reason
of, the use of, or inability to
use the tool for any purpose.
Implied warranties of mer-
chantability or fitness for a
particular purpose are specifi-
cally excluded.
For repair or replacement, send
tool and /or related parts imme-
diately upon discovery of the
defect to the address of the local
Hilti marketing organization pro-
vided.
This constitutes Hilti’s entire
obligation with regard to warran-
ty and supersedes all prior or
contemporaneous
comments
and oral or written agreements
concerning warranties.
1000
°
C to 1100
°
C (bright yellow red–yellow).
Allow the chisel to cool slowly (in the air – do
not quench). Additional tempering is not ne-
cessary.
Shaped chisels – hollow/channel/wide-flat
chisels
Slightly worn cutting edge:
Regrind carefully
as with pointed and flat chisel.
Badly worn cutting edge:
Reforge the chi-
sel at a temperature of 850
°
C to 1050
°
C (bright
red–bright yellow red). Harden the chisel by
heating it to 850
°
C to 900
°
C (bright red) be-
fore quenching it in oil. It should then be tem-
pered at 200
°
C to 300
°
C.
Before operating the ma-
chine, please note:
When working with the machine, it must be
held with two hands. Always make sure that
you have a safe stance/foothold.
1. The mains voltage must comply with the
information on the rating plate.
2. The TE704 is double insulated and
must
not be grounded/earthed.
3. Do not apply excessive pressure to the TE
704 – this will not increase its performance.
Simply position and guide the chisel.
The enclosed list of safety precautions
must be observed.
Fig. 1: Cleaning chisel connection ends
The chuck is not incorporated in the machi-
ne’s lubrication system. The connection ends
of chisels and other tools must therefore be
cleaned regularly and lubricated
sparingly
with Hilti grease.
Fig. 4: Side handle
Adjust the side handle as desired and lock
it in position.
Starting time at low temperatures:
The starting time (until hammering action ope-
rates) can be reduced by jolting the chisel
once against the working surface as the ma-
chine is switched on.
Operation:
Fig. 2: Inserting a chisel
Pull back the locking sleeve, insert the chisel
and rotate it until the guide grooves engage.
Push the chisel in further against the resistance
of the spring-loaded rollers and release the
locking sleeve.
To remove the chisel: Pull back the locking
sleeve and remove the chisel.
Fig. 3: Chisel adjustment
Hold the TE 704 in a horizontal position or
with the chuck pointing upwards. Pull back
the locking sleeve as far as it will go. The chi-
sel is then disengaged (1). Rotate the chi-
sel into the desired position (2), release the
locking sleeve and the chisel engages in po-
sition (3).
If the TE 704 is held with the chuck poin-
ting downwards, the chisel may fall out
when the locking sleeve is pulled back.
Fig. 4:
Adjust the side handle to the optimum wor-
king position. Radial and axial adjustment is
possible.
Fig. 5: Hammering power adjustment
Adjust the hammering power as required
(symbol
j
100% or symbol
j
50%).
Beginning work:
Operate the on/off switch. The machine is
ready for operation.
Servicing:
The TE 704 is equipped with a service indi-
cator. When the indicator lights up, the ma-
chine should be serviced by Hilti.
Failure to
service the machine when indicated could
result in expensive consequential dama-
ge.
Electric tools must comply with the ap-
plicable safety regulations. Servicing, there-
fore, must be carried out only by qualified el-
ectrical specialists. The use of original Hilti
parts ensures optimum safety.
Chisel maintenance:
Pointed and flat chisels:
Slightly worn cutting edge:
Grind the tip of
the chisel carefully, without causing tempering
colours to appear. This can be repeated se-
veral times if necessary.
Badly worn cutting edge:
Reforge the chi-
sel at a temperature of approx. 900
°
C to 1000
°
C
(bright red–bright yellow red). It should then
be hardened by heating to a temperature of
7
Printed: 07.07.2013 | Doc-Nr: PUB / 5071185 / 000 / 00
