Hilti C 53 Original Operating Instructions page 15

Overvoltage category
Typical charging time (to 80 % battery capacity)
Typical charging time on quick charge (to 80 % battery capacity)
Dimensions (L x W x H)
Weight in accordance with EPTA procedure 01
Degree of protection
Relative air humidity
Ambient temperature for operation
Storage temperature
5 Preparations at the workplace
CAUTION
Risk of injury! Inadvertent starting of the product.
▶ Unplug the supply cord before making adjustments to the power tool or before changing accessories.
Observe the safety instructions and warnings in this documentation and on the product.
5.1 Setting up the product
Set-up conditions for charging and in operation
• The charger must be able to emit heat while in operation.
unobstructed.
• The surface on which the product is set must be smooth and level, so that the product does not tip over
or fall.
• The charger has no protection against the ingress of moisture and is to be used inside dry rooms only.
5.2 Charging the battery
Fully charge the battery before using it for the first time.
1. Make sure that the contacts on the welding machine and the contacts on the charger are clean and dry.
2. Connect the charging cord to the charger and to the welding machine.
3. Plug the supply cord plug into a power outlet.
▶ The power-in indicator and the charge indicator on the charger show steadily.
▶ The battery charge state indicator on the welding machine flashes and the segments show the
battery's current state of charge.
4. If you want to charge the battery more quickly, press the quick charge button.
▶ The power-in indicator and the quick charge indicator on the charger show steadily.
▶ The battery charge state indicator on the welding machine flashes and the segments show the
battery's current state of charge.
To switch off the quick charge mode, press the quick charge button again.
5. When the battery is fully charged the charger automatically switches to the maintenance mode.
▶ On the charger, the power-in indicator and the fully-charged indicator show steadily. On the welding
machine, all segments of the battery charge state indicator show.
6. Then disconnect the supply cord plug from the power outlet and disconnect the connection between
charger and welding machine.
*2302421*
2
2302421
C 53
II
50 min
30 min
270 mm x 168 mm x
100 mm
2 kg
IP 40
20 °C 90 %
50 %
40 °C
−10 ℃ ... 40 ℃
−20 ℃ ... 55 ℃
The air vents must therefore remain
English 11