Van's Aircraft RV-12, Maintenance Manual

Page: 44 / 217

Rev. 5
3-8
cracks, missing material, and delamination.
● NOTE: P
ERFORM THE PROP TRACK TEST WITH THE SPARK PLUGS REMOVED
.
• Test prop track by placing a stationary object in contact with the forward or aft face
of one of the blade tips. Then rotate the propeller to bring the opposite blade to the
same point. An off-track propeller will not come to the same point.
ENGINE
(Refer to Rotax manual)
▲ WARNING: T
HE MASTER POWER AND BOTH IGNITION SWITCHES
MUST
BE SHUT
OFF DURING INSPECTION OF THE ENGINE
,
UNLESS INSTRUCTED OTHERWISE
. S
ERIOUS
INJURY OR DEATH WILL RESULT IF ENGINE IS UNINTENTIONALLY STARTED
.
▲ WARNING: A
LLOW THE ENGINE AND APPLICABLE COMPONENTS TO COOL
BEFORE PERFORMING SERVICE OR INSPECTION
. H
OT ENGINE COMPONENTS WILL
CAUSE SERIOUS BURNS
.
•
Refer to the Rotax line maintenance manual for proper inspection procedure for
engine and components supplied with engine. The Rotax manual will also provide
fluid check and change procedure.
FIREWALL FORWARD
▲ WARNING: T
HE MASTER POWER AND BOTH IGNITION SWITCHES
MUST
BE SHUT
OFF DURING INSPECTION OF THE FIREWALL FORWARD COMPONENTS
. S
ERIOUS INJURY
OR DEATH WILL RESULT IF ENGINE IS UNINTENTIONALLY STARTED
.
▲ WARNING: A
LLOW THE ENGINE AND APPLICABLE COMPONENTS TO COOL
BEFORE PERFORMING SERVICE OR INSPECTION
. H
OT ENGINE COMPONENTS WILL
CAUSE SERIOUS BURNS
.
Tools
♦
Magnifying glass
♦
Flashlight
♦
Inspection mirror
♦
Clean rag
♦
Compression
tester
♦
Multi-meter
•
Note any signs of leakage, corrosion, and high temperature. Check for wear to
hoses, cables, wiring harnesses, etc. as a result of vibration while in contact with
another object.