Van's Aircraft RV-12, Maintenance Manual

Page: 50 / 217

Rev. 5
3-14
• If your aircraft has ES-00076 & ES-
00077 Electrical Connectors (See KAI
31B-08 and 31B-18) and the
measurement is less than 0.050 no
repair is required.
•
If your aircraft has tab style VA-262
electrical connectors in UHMW (See
KAI 31-02) and the measurement is
less than 0.010 no repair is required.
•
For repair instructions see Section 5.
EMPENNAGE
Tools
♦
Magnifying glass
♦
Flashlight
♦
Straight edge
♦
Inspection mirror
V
ERTICAL
S
TABILIZER
•
Check the main skin and forward skin for deformation or cracks.
•
Check the main skin fasteners by sighting along each rivet pattern for any
inconsistent rivet profile among similar properly installed rivets.
•
Check the forward spar and fasteners for cracks, deformation and signs of fatigue.
•
Inspect the rear spar, spar fasteners, and hinges for cracks, deformation and signs
of fatigue, especially the areas surrounding the rudder hinge brackets.
•
Check the fiberglass fairing for condition and security.
•
Check for interference or signs of wear from the rudder.
• Look through the forward spar lightening holes to inspect the rear spar, ribs, and rib
flanges for cracks.
R
UDDER
•
Check the main skin for damage or deformation.
•
Sight along each rivet pattern for any inconsistent rivet profile among similar properly
installed rivets.
•
Check the spar and hinge brackets for cracks, deformation and signs of fatigue,
especially the areas surrounding the hinge brackets.
Figure 7.1: Inspect Rear Spar Doubler