Crown CT21072HQX-2 BMC [26/172] Charging procedure of the power tool battery
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Crown CT21072HQX-2 BMC [26/172] Charging procedure of the power tool battery

Crown CT21072HBX-2 BMC [26/172] Charging procedure of the power tool battery
26
English
• Mount / replace the accessory� Attention: use
accessories that have circular groove at the
stem end, their use will guarantee safe xation
of accessory in the quick-change tool holder 13.
• Release the xing bush 18�
• When installed quick-change keyless chuck 12:
• Open the jaws of the keyless chuck 12, rotating its
front part as shown in g. 8.
• Mount / replace the accessory�
• Tighten the keyless chuck 12 without skewing the
accessory as it is shown in g. 8.
Mounting / dismounting of the keyless chuck (see
g. 9-10)
[CT21072HX-2]
• To mount the keyless chuck 16, carry out the
operations in consecutive stages as it is shown in
gure 9.
• To dismount the keyless chuck 16, carry out the
operations in consecutive stages as it is shown in
gure 10.
Attention: keep in mind that in the
process of mounting / dismounting of
the keyless chuck 1 the screw 21 has a
left-hand thread.
Screwdriver bit / magnetic holder (see g. 11)
[CT21072HX-2]
For short screwdriver bits use the magnetic holder 22
for their reliable xing (see g. 11).
A magnetic holder 22 is not needed for extended
screwdriver bits 20 (specially purposed for screwdriv-
ers)�
Mounting / dismounting of the belt clip (see g. 12)
• When installing insert belt clip 9 into the opening on
a housing as shown on g. 12.1. The spring lock of belt
clip 9 shall be locked in place�
• When dismantling by means of a at screwdriver
press the spring lock of belt clip 9 and pull it out (see
g. 12.2).
Charging procedure of the power tool
battery
Initial operating of the power tool
The power tool is supplied with a partially charged
battery 11. Before the rst use, the battery 11 must
be fully charged.
Charging process (see g. 13)
• Centre the reverse switch 7�
• Press the two battery lock 10 and remove the
battery 11 (see g. 13.1).
• Insert battery 11 into charger 15 (see g. 13.2).
• Connect the charger 15 to the power supply�
• Charger indicators 23 (green) and 24 (red) inform of
the battery 11 charging process�
• The green indicator 23 is lit, the battery 11 is
not inserted in the charger 15 - the charger 15 is
connected to the power network (ready for charging)�
• The green indicator 23 is blinking, the battery 11
is inserted in the charger 15 - the battery 11 is being
charged�
• The green indicator 23 is lit, the battery 11 is inserted
in the charger 15 - the battery 11 is fully charged�
• The red indicator 24 is lit, the battery 11 is
inserted in the charger 15 - the charging process
of the battery 11 is terminated due to inappropriate
temperature� When the temperature conditions are
normal, the process of charging will resume�
• The red indicator 24 is blinking, the battery 11 is
inserted in the charger 15 - the charging process of
the battery 11 is terminated because of its failure�
Replace the faulty battery 11, its further use is
prohibited�
In the process of charging the battery 11
and the charger 15 become hot, it is a
normal process.
• Disconnect the charger 15 from power supply after
charging�
• Remove the battery 11 from the charger 15 and
mount battery 11 in the power tool (see g. 13.3).
Switching the power tool on / off
Make sure that the reverse switch 7 is not centred,
this blocks on / off switch 6.
Switching on:
Press on / off switch 6.
Switching off:
Release the on / off switch 6�
Design features of the power tool
Battery
The battery 11 is protected by the safety system against
deep discharge� In case of complete discharge, the
power tool is automatically switched off� Attention:
do not try to switch on the power tool when the
protection system is activated the battery 11 can
be damaged.
Temperature protection
The temperature protection system enables to auto-
matically deactivate the power tool in case of excess
load or when the temperature of the battery 11 is ex-
ceeding 70°C� The system guarantees protection of
the power tool from damage in case of noncompliance
with the operation conditions�
Indicators of the state of battery charge (see g. 14)
With the push of the on / off 6 the indicators 5 show the
state of charge of the battery 11 (see g. 14).
LED lamp
When the on / off switch 6 is pushed, the LED lamp 2
is automatically switched on that allows to carry out
works in low light conditions�

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