Battery Replacement - Promax MC-377+ Instruction Manual

INSTRUCTION MANUAL MC-377+.

5.3 Battery replacement

The battery should be replaced when you notice that its capacity, once it has been
charged, has decreased considerably. To change the battery follow next procedure.
With the instrument off and disconnected from the mains:
- Remove the securing screws from the upper and lower covers (6 screws on
each cover). Remove the 2 covers.
- Disconnect the battery connection terminals.
- Place the instrument face down so you can see the underside of the base
board. Remove the screw securing the battery holder to the base board, this
screw is found located on the base board next to the rear panel of the
instrument.
- Remove the screws securing the battery holder to the rear panel of the
instrument (4 screws and their respective washers and grover washers). The
battery holder will now be freed.
- Take out the battery together with the holder antiacid protector. Place the
antiacid protector on the new battery and insert it into the holder. Take the
utmost care to not invert the polarity when putting in place.
- Secure the battery holder to the rear panel (4 screws and their respective
washers and grover washers).
- Secure the battery to the base board using the screw and serrated washer.
- Reconnect the battery: red cable to the positive terminal (+), black cable to the
negative terminal (-).
- Finally, secure the upper and lower covers with the respective screws and
washers.
AVOID ANY TYPE OF SHORT CIRCUIT AMONG THE CABLES CONNECTED TO
THE BATTERY, SINCE THE RESULTING HIGH CURRENT MAY CAUSE SERIOUS
DAMAGE TO THE EQUIPMENT.
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VERY IMPORTANT
May 2001