1. Lift up the plastic battery cover..
2.... and remove it.
3. Turn out a bolt of fastening «negative» wires to «mass» body.
4. Loosen handpiece pinch nut «mass» wires.
5. Unscrew the nut securing the clamping bar..
6.... and lift the bar up.
7. Remove the wire end from the terminal «minus» battery.
8. Loosen the nut..
9.... and remove the wire end from the terminal «plus» battery.
10. Open the wire holder..
11.... and take «mass» wire to the side.
12. Press the latch..
13.... and remove the front battery cover.
14. Turn off a nut of fastening of a clamping lath …
15.... and remove it.
16. Remove the battery.
17. Install the battery in the reverse order of removal. Before connecting the wires, clean the battery terminals and the inside surfaces of the wire lugs with fine sandpaper. Connect the wires in the reverse order of removal, observing polarity. After connecting the wires to the battery terminals, apply a thin layer of Litol-24 grease or similar grease to the metal lugs of the wires and the exposed surfaces of the terminals (copper-containing conductive lubricants are most preferred).
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