Hilti TE 3-M Manual Del Usuario página 13

Forward / reverse
Adjusting the depth gauge
Fitting the dust collection module for overhead work
Pressing/locking the control switch
Replacing the dust shield
6 Care and maintenance
WARNING
Electric shock hazard! Attempting care and maintenance with the supply cord connected to a power outlet
can lead to severe injury and burns.
▶ Always unplug the supply cord before carrying out care and maintenance tasks.
Care
• Carefully remove stubborn dirt from the tool.
• Clean the air vents carefully with a dry brush.
• Use only a slightly damp cloth to clean the casing. Do not use cleaning agents containing silicone as
they can attack the plastic parts.
Maintenance
WARNING
Danger of electric shock! Improper repairs to electrical components may lead to serious injuries including
burns.
▶ Repairs to the electrical section of the tool or appliance may be carried out only by trained electrical
specialists.
• Check all visible parts and controls for signs of damage at regular intervals and make sure that they all
function correctly.
• Do not operate the product if signs of damage are found or if parts malfunction. Have it repaired
immediately by Hilti Service.
• After cleaning and maintenance, fit all guards or protective devices and check that they function correctly.
To help ensure safe and reliable operation, use only genuine Hilti spare parts and consumables. Spare
parts, consumables and accessories approved by Hilti for use with the product can be found at your
local Hilti Store or online at: www.hilti.group.
7 Troubleshooting
If the trouble you are experiencing is not listed in this table or you are unable to remedy the problem by
yourself, please contact Hilti Service.
Trouble or fault
The rotary hammer doesn't
start.
No hammering action.
The rotary hammer doesn't
achieve full power.
*2058841*
Possible cause
Interruption in the electric supply.
The tool is too cold.
The function selector switch is set
to "Rotary drilling only"
The gauge (cross section) of the
extension cord conductors is inad-
equate.
2058841
Action to be taken
▶ Plug in another electric tool or
appliance and check whether it
works.
▶ 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
.
▶ Use an extension cord with
an adequate conductor cross
section.
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