Bailey Moyes 912 Dragonfly, Maintenance Manual

Page: 62 / 191

Page 61
Section 20
Maintenance & Inspection
Dragonfly 582/912
STRUTS & WING CONNECTION
STEP INSTRUCTIONS for Assembly, for Disassembly reverse the order! PART NO. STAGE
* Push spacer strut 1” into strut aft using a length of tubing or wood approx. six feet long. Cut a notch
in one end of pusher tube for spacer to fit in so you may twist tube as you work. (Spacer ends may
be filed so they slide into place more easily).
1 Jury strut conn aft,
saddle 1” relieved,
strut aft,
strut aft, 1/4” washer, AN4 full nut . Very tight. spacer strut 1”,
DFO 018
DFP 038
DFH 001
DFG 003
2 Eyebolt AN43-15A, strut fwd,
1/4” washer, AN4 full nut. Very tight.
DFH 002
3 Bolt AN5-15A, 5/16” washer, strut aft, spacer strut block,
strut block,
spacer strut block, strut aft, 5/6” washer, AN5 half nut. Very tight. (Tube may be squeezed in vice
to get parts into place).
DFP 040
DFK 001
4 Bolt AN5-15A, tang strut,
strut fwd, spacer strut block, strut block, spacer strut block, strut fwd, tang strut, AN5 half nut. Very
tight.
DFO 029
4a Bolt AN4-15A, tang strut, strut fwd, tang strut, AN4 half nut.
5 Bolt AN4-17A, 1/4” washer, strut plate C,
strut fwd, strut plate C, 1/4” washer, AN4 half nut. Very tight.
DFL 006
6 Bolt AN5-17A, 5/16” washer, strut plate C, strut fwd, spacer strut block, strut block, spacer strut
block, strut fwd, strut plate C, 5/16” washer, AN5 half nut.
Very tight.
7 Bolt AN4-17A, 1/4” washer, strut plate C, strut aft, spacer strut 1”, strut aft, strut plate C, 1/4”
washer, AN4 half nut.
Very tight.
8 Bolt AN4-23A, 1/4” washer, bulkhead, strut block, bulkhead, 1/4” washer, AN4 high temp nut.
Loose.
9 Bolt AN4-32A, 1/4” washer, wing comp strut saddle channel brkt, wing spar trailing edge, wing comp
strut saddle channel brkt, 1/4” washer, AN4 high temp nut.
Loose.
10 Bolt AN4-32A, 1/4” washer, wing comp strut saddle channel brkt, wing spar leading edge, wing
comp strut saddle channel brkt, 1/4” washer, AN4 high temp nut.
Loose.
11
Bolt AN4-22A, 1/4” washer, strut plate A, strut block, strut plate B, 1/4” washer, AN4 high temp nut .
Loose.
12 Bolt AN4-22A, 1/4” washer, strut plate A, strut block, strut plate B, 1/4” washer, AN4 high temp nut.
Tighten bolts
#
8-12 . Very tight.
13 Slide jury strut oversleeve aft
over jury strut aft.
Slide through jury strut conn aft. Bolt AN3-10A, 3/16” washer, jury strut aft,
threaded insert 1/2” x 10/32,
jury strut aft, 3/16” washer, AN3 half nut. Very tight.
DFP 039
DFE 001
DFO 040
14 Bolt AN3-12A, 3/16” washer, eyebolt, 3/16” washer, jury strut fwd,
threaded insert 1/2” x 10/32. Very tight.
DFE 004
15
Clevis pin 3/16” x 3/4”,
jury strut aft, threaded insert 1/2” x 10/32, jury strut aft, ring – safety.
DFT 301
DFQ 013
16 Clevis pin 3/16” x 3/4”, jury strut fwd, threaded insert 1/2” x 1/4” 28 TPI x 1 1/4”, jury strut fwd, ring –
safety.
* Connect wing tension bar upper and wing tension bar lower with wing straps.
Pull tight. Tie off loose ends. Put wing gap cover in place on top of wing and half way in place on
bottom of wing. Run seat belt strap through cut-out, through seat belt restrainer strap and back
down through cut-out. Close bottom side of gap cover.
DFR 009
(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 20 Struts & Wing Connection
Section 20