Hilti TE 2-A22 Original Operating Instructions page 14

7.2 The rotary hammer is in working order
Trouble or fault
No hammering action.
The control switch can't be
pressed, i.e. the switch is
locked.
The drive spindle does not
rotate.
The rotary hammer switches
itself off automatically.
The battery runs down more
quickly than usual.
The battery does not en-
gage with an audible "double
click".
The rotary hammer or the
battery gets very hot.
The insert tool can't be re-
leased.
The tool makes no progress.
8 Disposal
DANGER
Risk of injury. Hazards presented by improper disposal.
▶ Improper disposal of the equipment may have the following consequences: The burning of plastic
components generates toxic fumes which may present a health hazard. Batteries may explode
if damaged or exposed to very high temperatures, causing poisoning, burns, acid burns or
environmental pollution. Careless disposal may permit unauthorized and improper use of the
equipment. This may result in serious personal injury, injury to third parties and pollution of the
environment.
▶ Dispose of defective batteries right away. Keep them out of reach of children. Do not disassemble
or incinerate the batteries.
▶ Batteries that have reached the end of their life must be disposed of in accordance with national
regulations or returned to Hilti.
Possible cause
The rotary hammer is too cold.
The function selector switch is set
to "Drilling without hammering"
The forward / reverse switch is in
the middle position.
The permissible operating temper-
ature of the rotary hammer's elec-
tronics has been exceeded.
The battery is discharged.
The overload cut-out has been
activated.
Battery condition is not optimal.
The retaining lugs on the battery
are dirty.
Electrical fault.
The rotary hammer has been over-
loaded (application limit exceeded).
The chuck is not pulled back fully.
The rotary hammer has been set to
reverse rotation.
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 "Hammer drilling"
▶ Push the forward / reverse
switch to the right or left.
▶ Allow the rotary hammer to cool
down.
▶ Change the battery and charge
the empty battery.
▶ Release the control switch.
Allow the rotary hammer to cool
down. Press the control switch
again. Reduce the load on the
tool.
▶ Replace the battery.
▶ Clean the retaining lugs and refit
the battery.
▶ Switch off the rotary hammer
immediately. Remove the
battery and keep it under
observation. Allow it to cool
down. Contact Hilti service.
▶ Select a tool that is suitable for
its intended use.
▶ Pull the chuck back as far as it
will go and remove the tool.
▶ Move the forward / reverse
selector switch to the "Forward"
position.
.
9