SANY SY265C LC Operation And Maintenance Manual page 218

NOTICE!
• There are two 12-volt batteries connected in series to provide 24 volts to the electrical
system.
• After machine shutdown, wait at least 2 minutes for the engine control module (ECM) to
complete its shutdown before disconnecting the battery.
Failure to follow this notice can damage the machine or cause it to operate improperly.
3. Allow several minutes for any accumulated battery
gases to clear before servicing the batteries.
4. Turn the battery disconnect switch to the OFF position.
See "Battery Disconnect Switch" on page 3-20.
5. Disconnect the electrical power. See "Disconnect the
Electrical Power" on page 5-60.
6. Remove the fasteners (2) and remove the battery cover.
7. Disconnect the black ground (-) battery cables first,
then disconnect the red positive (+) cables.
8. Remove the battery hold-down brackets (3).
9. Remove the batteries.
10. Install the new batteries.
11. Install the battery hold-down brackets over the
batteries and secure them.
12. Connect the red positive (+) cables.
13. Connect the black ground (-) cables.
NOTE: The two 12-volt batteries are connected in series. Make sure they are installed in the same manner.
NOTICE!
Dispose of batteries in accordance with all applicable environmental regulations. Failure to
follow this notice could result in damage to the environment.
14. Install the battery cover and secure with the fasteners.
5-64
Fig. 5-76
Fig. 5-77
Operation and Maintenance Manual — 0420
SY265C LC/SY265C LR Excavator OMM
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SANY