Page
39
Section 9
Maintenance & Inspection
Dragonfly 582/912
VERTICAL STABILIZER
STEP
INSTRUCTIONS for Assembly, for Disassembly reverse the order!
PART NO.
STAGE
CERT.
1
Wrap mylar shim around
vert stab fwd
and slide into boom tube. Align holes. AN4 half nut, 1/4" washer,
Bolt vert stab fwd 1/4” x 6.25”,
cable clamp 1/4”,
cable clamp 1/4”
spacer stand off .375”,
boom tube, vert. stab fwd, boom tube, spacer stand off .375”, cable clamp 1/4”, cable
clamp 1/4”, 1/4" washer, AN4 half nut.
Tight.
DFC 003
DFO 004
DFT 431
DFG 008
2
Shave half of one end of
1/2" tube inserts
at slight angle.
Pop rivet aluminium 3/16” x 5/8”,
1/2" angled tube insert, vert stab fwd. Align tube insert until approx. Parallel with boom tube.
Set rivet but do not pop.
If rivet is popped, plastic will expand and tube will not fit over it.
Squeeze rivet slightly until insert is tight against tube. Shank may be cut off with pliers.
DFP 017
DFT 413
3
Pop rivet aluminium 3/16” x 5/8”, angled 1/2" tube insert, vert stab aft.
Set rivet, do not pop.
See above.
4
Bolt AN3-13A, 3/16" washer, vert stab aft,
vert stab conn block,
vert stab aft, 3/16" washer, AN3 half nut.
Tight.
Slide fabric
vert stab
over vert stab aft through lower aft hole. Slide fabric over vert stab fwd through fwd lower
hole. Slide fabric halfway down and put
vert stab comp strut
in place. Slide fabric down as far as possible and work inside seams to one side. (If seam
flips, it will leave a bump).
DFP 037
DFR 015
DFF 011
5
100 hr
Bolt stainless hex head 1/4” x 20 TPI x 2 1/4",
1/4" washer, vert stab aft, vert stab conn block.
Tight: Inspect & tighten every 100 hrs.
DFT 001
6
Slide
vert stab tension tube
inside sail. (Tube is asymmetrical. Be sure correct end is in first). Burn elongated holes in
fabric at tension tube hole.
Bolt hex head 1/4” x 20 TPI x 6",
1/4" washer, main boom, vert stab fabric, vert stab tension tube. Tighten one bolt, then the
other to tighten fabric. (If DFT 005 bolt does not reach, threaded rod may be used).
*If you
intend to paint the sail, stop assembly of vert stab here and continue to next Section.
DFC 015
DFT 005
7
Burn holes in fabric for bolts
#
7, 8, 9, 11. Bolt AN3-26A, 3/16" washer,
horiz stab brkt,
spacer 1” x .25” x .125”,
saddle 1.75”,
vert stab aft, saddle 1.75”, spacer 1” x .25” x .125”,horiz stab brkt, 3/16" washer, AN3 half
nut.
Tight.
DFI 008
DFP 028
DFP 032
8
Bolt AN4-25AS**
, 3/16" washer, horiz stab brkt,
modified tube conn,
vert stab fwd, saddle 1”, modified tube conn saddle end 1”, horiz stab . brkt, 3/16" washer,
AN3 half nut.
Tight.
**(Switched from AN3-24A for Safety Dir. DF 1401)
DFP 042
9
Bolt AN3-20A,
hinge brkt,
vert stab aft, AN3 blind nut.
Very tight.
DFO 023
10
The hole that bolt
#
10 goes through is only partially drilled because of alignment. Using a
3/16" drill bit, insert into hole on one side of vert stab aft. Find hole on the other side and
drill. Bolt AN3-22A, hinge brkt, vert stab aft, 3/16" washer, AN3 half nut. Using short-
handled 3/16" wrench. (You can buy a cheap wrench and modify with hacksaw).
Very
tight.
11
Bolt AN3-20A,
tail-upper,
vert stab aft, tail-upper, AN3 half nut.
Tight.
DFR 002
(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.
See
Cables, Thimbles and Tangs Page 16
(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 9 Vertical Stabilizer
Section 9
Содержание 912 Dragonfly
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