MAINTENANCE MANUAL
Effectivity: All
Page 24-31
Edition 2 | Rev. 1
(3) Adjustment / test – capacity test of the battery IBBS-12v-3ah
(a) Turn off the MASTER SWITCH.
(b) Turn on the BATTERY G3X switch.
(c) Both screens must be in operation including all displayed data (PFD, MFD, GPS).
(d) Monitor and record whether any of the connected devices (PFD, MFD, ADAHRS 1
and EIS) will fail to function within 30 minutes of starting the test, or until the output
voltage of the backup battery drops to 9,5V.
CAUTION
AVOID ALLOWING THE BACKUP BATTERY VOLTAGE TO
FALL BELOW 9 VOLTS.
(e) Replace the backup battery if the test fails.
(f) In the case of a successful test, charge the backup battery to 13,8 – 14 V from the
airplane's electrical network before the next flight. To charge the battery, it is
necessary to provide 13,9 – 14 V onboard voltage.
J. Socket for 12 V appliances
Maintenance type: Line
Personnel qualification: Independent verification personnel qualified in accordance with
Part 66 or higher
Recommended tools and material:
Item Designation / Size Quantity Note
Adjustable wrench - 1 pc.
(1) Removal – 12 V socket
(a) Switch the electrical network off and disconnect the battery.
(b) Disconnect the connectors (3; 4, Fig. 24-14).
(c) Unscrew the nut (2).
(d) Remove the socket (1) from the hole in the instrument panel (6).
(2) Installation – 12 V socket
(a) Insert the socket body (1, Fig. 24-14) into the hole in the instrument panel (6).
(b) Screw on and tighten the nut (2).
(c) Connect the connectors of the wires (3; 4).
(d) Connect the battery, switch the electrical network on and check the function of the
socket.
(e) As needed, put on the cap (5).