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The product outputs the maximum sound power level in idle state and during the cooling phase corresponding
to the maximum permissible working point under conventional load pursuant to EN 60974-1.
Noise information
A workplace-related emission value cannot be stated for stud welding, because the value depends on the
process and on the surroundings. It depends on very widely varying parameters, such as the properties of
the workpiece and the workplace environment.
Sound power level, welding operation
Sound power level, emptying the gas can
5
Preparations at the workplace
▶ Check all components for damage and replace damaged components.
▶ Before use, make sure that the ground clamp and the stud holder are free of contaminants.
5.1
Setting up the product
Set-up conditions for charging and in operation
•
Do not cover up the product. Air must be able to flow unhindered through the air vents at front and rear.
•
To prevent product damage due to insufficient air supply, make sure that there is a clear space of 0.5 m
(2 ft) all round the product.
•
Make sure that the fan does not induct metallic dust (e.g. from grinding work).
•
The surface on which the product is set must be smooth and level, so that the product does not tip over
or fall.
5.2
Charging cordless welding machine
Fully charge the product before using it for the first time.
Over a long period of non-use, charge the product regularly every 6 months to prevent deep discharge.
▶ Charge the product as described in the operating instructions of the Hilti C 53 charger.
You can resume operation of the product when the battery has charged to ≥25 % capacity.
5.3
Changing inert-gas can
CAUTION
Risk of injury by gas escaping during gas can replacement. Hearing damage.
▶ Wear hearing protection.
CAUTION
Risk of damage to the seal due to flash-chilling. Escaping inert gas has the effect of flash-chilling the seal
on the gas can connection. The chilled seal can be damaged and consequently leak.
▶ Unscrew the used gas can from the connection slowly.
▶ Wait at least 2 minutes before inserting a new gas can.
Change the inert-gas can when it is empty. See the section headed Indicators for gas fill level and battery
→ page 7.
Comply with the safety data sheet of the inert-gas can.
1. Open the cover.
2. Fully unscrew the inert-gas can counter-clockwise from the connection.
▶ In this process, residual gas escapes from the inert-gas can with a loud hiss.
*2302420*
4
2302420
< 80 dB
< 102.1 dB
English
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