Holmatro GRA4321 Manual page 40

EN
5.2 Charging the battery pack
• Study the instructions of the charger before charging the battery pack.
• Only use one of the prescribed Holmatro battery chargers to charge the battery pack.
• Best results and longest life of the battery pack are achieved by charging in a dry environment at a
temperature between 18 °C and 24 °C (64 °F and 75 °F).
Caution
The battery pack can be damaged if charged at a temperature below 0 °C or above 45 °C
(below 32 °F or above 113 °F).
• The SOC indicator on the battery pack will indicate the charging level of the battery pack when the
SOC indicator button is pushed.
• The maximum capacity of the battery pack is only achieved once it has been charged and
discharged several times.
• Always charge the battery pack, even if it has only been used for a short time.
• The battery pack can remain connected to the battery charger for an indefinite period of time,
because it is protected against overcharging.
Note
When the battery pack is not in use, it is advised to keep it connected to the battery charger
(connected to a power source) at all times. When the battery pack is full, the battery charger
automatically switches on and off at regular intervals to keep the battery level at 100%.
After deep discharge of the battery pack, charge the battery pack for 24 hours. If the battery
pack is not completely charged after 24 hours, contact your local Holmatro dealer.
5.3 Installing the battery pack
• Slide the battery pack in the battery pack fitting / adapter fitting until the battery pack lock snaps
tight.
5.4 Connecting to an external power source
See Fig. 5.
Apart from using the battery pack, the tool can also be connected to the mains by the special mains
connector. Use only the original mains connector for this purpose.
• Slide the adapter of the mains connector in the battery pack fitting / adapter fitting until the battery
pack lock snaps tight.
• Insert the plug of the mains connector into the appropriate power outlet.
5.5 Starting the tool
• Briefly operate the on/off switch to activate the tool. The green LED will light.
• If the deadman's handle is in the position
• If the deadman's handle is in neutral position, the electric motor will stop.
Note
The battery pack will switch to the sleep mode when the tool is not used for about 10
minutes. The green LED will not light anymore.
To activate the battery pack again:
• Press the SOC indicator button, or
• Operate the on/off switch again, or
• Reinstall the battery pack.
40
or , the electric motor runs.
916.001.324_000 GRA4321 / GRA4331