Hilti TE 30 Mode D'emploi Original page 19

Trouble or fault
No hammering ac-
tion.
The combihammer
doesn't achieve full
power.
The drill bit doesn't
rotate.
The drill bit can't be
released.
*2143374*
Possible cause
The power tool is too
cold.
The function selector
switch is set to "Rotary
drilling only" .
Contact pressure too
low.
The gauge (cross sec-
tion) of the extension
cord conductors is inad-
equate.
The control switch is not
fully pressed.
The tool has been set to
reverse rotation.
Voltage from generator
is too low.
The function selector
switch is not engaged or
is in the "Chiseling"
or "Chisel adjust-
ment" position.
The chuck is not pulled
back fully.
2143374
Action to be taken
▶ Bring the tip of the drill
bit into contact with
the working surface,
switch the rotary
hammer on and allow
it to run. If necessary,
repeat the procedure
until the hammering
mechanism begins to
operate.
▶ Set the function
selector switch to
the "Hammer drilling"
position .
▶ Press harder to in-
crease contact pres-
sure so that hammer
mechanism cuts in.
▶ Use an extension cord
with an adequate con-
ductor cross section.
▶ Press the control
switch as far as it will
go.
▶ Set the tool to forward
rotation.
▶ Make sure that voltage
rating of electricity
supply is correct.
▶ Set the function selec-
tor switch to "Drilling
without hammer-
ing" or "Hammer
drilling" .
▶ Pull the chuck back
as far as it will go and
remove the accessory
tool.
English 13