5) Electric Starter - Rotax 914 series Installation Manual

0,75

19.4.5) Electric starter

1
Effectivity: 914 Series
Edition 2 / Rev. 0
INSTALLATION MANUAL
- Wire of top electronic module (marked "A") for ignition circuit A.
- Wire of bottom electronic module (marked "B") for ignition circuit B.
◆ NOTE:
Ignition circuit A controls: top spark plugs of cylinder 1 and 2;
lower spark plugs of cylinder 3 and 4.
Ignition circuit B controls: top spark plugs of cylinder 3 and 4;
lower spark plugs of cylinder 1 and 2.
■ CAUTION:
The electromagnetic compatibility (EMC) and electromag-
netic interference (EMI) depends essentially on the wire used.
See Fig. 75.
Min. section area: 2x 0,75 mm
cable, shielding braid (low-resistance) on both ends grounded
to prevent EMI (e.g. specification MIL-27500/18).
No or insufficient shielded cables can cause engine shut-off
due to electromagnetic and radio interference.
The metal base of each ignition switch must be grounded to
aircraft frame to prevent EMI.
Fig. 75
07602
See Fig. 76.
Wire from starter relay to the electric starter
-
-
-
-
■ CAUTION:
■ CAUTION:
02502
Fig.76
BRP-Rotax
cross section of at least 16 mm
output: 0,7 kW / 0,9 kW optional
positive terminal (1): M6 screw (tightening torque 4
Nm (35 in.lb)) suitable for ring terminal to DIN 46225
(MIL-T-7928); PDIG or equivalent
grounding: via engine block
Suitable for short starting periods only.
Max. 80 °C (176 °F) temperature range by the
electric starter housing. Activate starter for max.
10 sec. (without interruption), followed by a cooling
period of 2 min!
2
(18 AWG) (shielded flexible
2
(6 AWG)
July 01/2008
page 116