Page
51
Section 15
Maintenance & Inspection
Dragonfly 582/912
AILERON SAILS
STEP
INSTRUCTIONS
for Assembly, for Disassembly reverse the order!
PART NO.
STAGE CERT.
Sprinkle generous amounts of baby powder into fabric
aileron port
and on aileron frame. Pull sail onto frame until just snug. (Patches are sewn
on top side of sail). Twist sail until inside seam is on bottom side of frame
and return seam to centre of trailing edge tube. (All of seam should be on
bottom side. If it flips you will have bumps in sail). Slide frame into sail as
far as possible. Block inboard end of aileron against something (e.g. a wall).
Put on rubber gloves. Beginning at outboard end, work small amount of
fabric at a time to inboard. (This is a long process generally requiring an
hour to pull sail on completely. Work in small increments. When you get
frustrated, remember, the tighter the fabric, the crisper the roll control). With
only the gap cover on aileron inboard fabric turned inside out, slide onto
inboard aileron frame. Burn small slits in the pockets of aileron fabric
inboard and outboard on trailing edge side. Slide
aileron tension bars
into pockets. Burn slits for tie wraps. (10 tie wraps total: 1 hole top and
bottom, evenly spaced, aft of aileron main spar: 1 hole topside near leading
edge: 1 hole bottom side near ail main spar). Insert tie wraps through inside
of holes around tension bar in ail outboard then around tension bar in aileron
inboard from outside to inside. Fasten tie wraps and pull snug. (This puts tie
wrap connection on inside so you will be pulling with sail rather than against
it). Tighten tie wraps.
Put rubber gloves back on. Go to tip of aileron and work out wrinkles.
(Rotate tie wraps so that connection is to outboard so you do not run out of
space while tightening). Pull tie wraps tight. Work out wrinkles, rotate tie
wraps, tighten. Repeat until gap closes to 1”. To close gap cover, roll fabric
down, side to side, until right side out (if gap cover stops when it reaches
outboard fabric, trim outboard fabric at leading and trailing edges with a hot
knife).
Stop now if you intend to paint.
DFR 003
DFL 008
1
Bolt AN3-14A, 3/16” washer,
aileron torsion tube /
aileron torsion tube 912
Aileron crank assembly port,
Aileron torsion tube, 3/16” washer, AN3 half nut.
Very tight.
DFB 007 /
DFB 011
DFW 002
2
Bolt AN3-16A, 3/16” washer, aileron main spar, aileron torsion tube, aileron
main spar, 3/16” washer, AN3 half nut.
Very tight.
(1)
Recommended Special Tools:
None
(2)
The parts needed to perform the task:
Replace worn/damaged parts as needed, listed above. Max. Wear (defined 1.1.8.1)
(3)
Type of maintenance:
Inspection=Line & Replacement=Heavy
(when it involves replacement of structural components.)
(4)
Certification needed to accomplish the task:
Line=LSRI Inspection or above, Heavy=LSRM Maintenance or above.
see:
3 Level of Certification in this manual
(5)
Detailed instructions and diagrams as needed to perform the task, listed above and adjacent page.
Every Annual or 100 Hrs., Inspect for Cracks, Corrosion, Elongation of holes & Fasteners for Wear & Security.
See: 1.3.5 Fabric Coverings: For more inspection and testing information on fabric coverings.
(6)
Method to test/inspect to verify the task was accomplished properly.
Insure that all procedures were followed correctly
and there is proper non-binding movement to moving parts and that fasteners were tightened as instructed. When flight
controls are involved, assure that they are operating properly.
Section 15 Aileron Sails
Section 15
Содержание 912 Dragonfly
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