Van's Aircraft RV-12, Maintenance Manual

Page: 104 / 217

Rev. 5
8-2
OVERVIEW
▲ WARNING: T
HE
RV-12 C
ONTROL
B
OARD IS NOT SERVICEABLE
. S
ERIOUS RISK
OF ELECTRIC SHOCK REMAINS AFTER THE POWER SUPPLY IS REMOVED
.
The RV-12 electrical system is a 12 VDC, negative ground system. A 12 VDC
sealed dry cell battery mounts on the forward side of the firewall. The generator
operates only while the engine is running. The generator supplies power to the
regulator, which serves the primary aircraft power and charges the battery. The primary
aircraft power is a 30 amp fused circuit. Lights, servos, fans, avionics, fuel pump, and
safety switches are all fused secondary circuits and part of the primary circuit.
•
NOTE: This maintenance manual is intended to be used in conjunction with
the RV-12 Kit Assembly Instructions (KAI) when completing maintenance or
repair processes.
COMPONENTS
Quantity Part or Assembly Name Part Number or Reference
1 Battery ES PC680
12 Blade Fuse ATO/ATC ¼ “ blade style 1, 2, 3, 5, 7.5,
30 Amp rating. All fuse values of 3
amp and higher are required to have
LED “blown fuse” indicators.
1 Stall Warning switch ES E22-50K
2 Fuselage pin switch ES E22-50K
1 Pitch-Trim servo ES-MSTS-T3-7A-2
2 Cooling Fan SW3DPS
1 12 VDC Supply AS212
2 Grip Switch PTT SWITCH & COVER
2 Intercom jacks (Headset) AV FC-JACK SET
2 Intercom jacks (MIC) AV FC-JACK SET
1 Master relay ES 24115
1 Instrument panel control board AV Control Board 12
16 Terminal Tab (wing-to-fuse) VA-262
1 OAT Sender Refer to Dynon Manual
2 EGT sender Refer to Dynon Manual
2 CHT sender Refer to Dynon Manual
1 Starter Refer to Rotax Manual
1 Regulator EA-F4120 or EA-F4122
1 Ignition A Refer to Rotax Manual
1 Ignition B Refer to Rotax Manual
1 Starter relay Refer to Rotax Manual