
Effectivity: 912 i Series
Edition 1/Rev. 2
d
059
37.
fm
MAINTENANCE MANUAL
BRP-Powertrain
74-20-00
Page 11
July 01/2014
INSPECTION
Components can only be replaced, not repaired.
If the ignition spark fails, search systematically
for the possible cause of the fault. The
B.U.D.S. Aircraft diagnostic tool must be used
for this.
DOUBLE IGNITION COIL ASSY. INSPECTI-
ON
Preparation
-
Carry out a visual inspection. See also sec-
tion 05-00-00 Maintenance.
-
Carry out a voltage and resistance test. To do
this, see section 76-70-00 Sensors and
actuators.
Fig. 10
Fig. 11
RESISTANCE SPARK PLUG CONNEC-
TOR AND IGNITION CABLE ASSY. -
INSPECTION
-
Carry out resistance test on ignition cable
assy. To do this, see section 76-70-00 Sen-
sors and actuators.
Step
Procedure
1
Check fastening elements (screws, was-
hers and plug holders) for damage, corro-
sion and deformation.
1. M5x20 Allen screw
2. A5 lock washer
3. Plug holder
4. Double ignition coils
Step
Procedure
2
Check double ignition coils for damage,
corrosion and deformation.
3
Check contact faces:
Indentations up to a max. of 0.5 mm
(0.0197 in.).
Bumps up to a max. of 0.5 mm
(0.0197 in.).
1. Intake manifold
2. Contact face
m
WARNUNG
NOTICE
Cracking and other obvious damage to the igni-
tion cable is not permitted!
If in doubt, always replace the cable and
connectors in question.
Step
Procedure
1
Check resistance spark plug connector
for corrosion and damage.
Summary of Contents for Rotax 912 i Series
Page 457: ......