Discus CS Assembly Checklist
Setup Prep
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Trailer in location where assembly will not block other
aircraft
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Trailer chocked, brake on, clamshell open, aft door
down in contact
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Pull ramp out, fold center rail into place
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Tail boom unlashed , lifting strap available
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Wing dolly and wing stand assembled and ready
•
Wipe clean and grease all wing and fuselage attach
fittings &control fittings
Position Fuselage
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Roll fuselage out until tail wheel is at end of ramp
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Use lifting strap, lift tail boom, roll out until fuselage
dolly at end of ramp
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Open canopy, remove rigging tool, screw into vertical
tail assembly hole
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Confirm spoilers are closed but unlocked, dump valve
closed (forward)
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Clean and lubricate main spar pin
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Remove strap securing fuselage to dolly
Mate Wings to Fuselage
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Position wing dolly parallel to fuselage at trailing edge
of left wing fairing
•
Lift and walk left wing out until it can be lowered into
wing dolly
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Bend in leading edge of wing (fill port) should be just
outside dolly cradle
•
Position wing so spar lines up with hole, rotate cradle
level, insert spar end
•
Clean & lubricate both sides of fittings – 2 lift pins,
spar end pin, main pin hole
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Align wing and push into place, insert main spar pin 1”,
handle towards left
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Put wing stand under left wing, reposition dolly and
repeat for right wing
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When both wings are seated, insert main spar pin fully,
safety clip end
7 Jan 2018
Attach Horizontal Stabilizer
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Clean and lubricate all fittings
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Insert aft edge of horizontal stabilizer against elevator
control pins
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Pull on rigging tool, press down on leading edge until
pin seats
•
Remove rigging tool
Landing Gear
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Ensure fuselage dolly clear of gear door
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Crank ramp jackscrews to raise fuselage dolly enough
for gear to extend
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Actuate landing gear handle to full forward position,
confirm down & locked
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Remove tail stand and wing dollies or stands
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Lower ramp and fuselage dolly until weight is
supported on gear
Final Prep
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Remove original wingtips, replace with winglet tips
using rigging tool.
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Tape wing roots, wing tips, horizontal tail and tool hole
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Ensure parachute is in cockpit, rigging tool in side
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Check required paperwork in cockpit
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Install and secure charged batteries, confirm radio and
variometer work
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Lower ramp until weight is entirely on gear, roll glider
clear
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Put equipment and ramp back in trailer and secure
trailer
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Independent final assembly check – spar pin and clip,
batteries secure, flight controls connected, canopy
locks, release functional, brake functional
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Positive Control Check completed
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Canopy in place and properly secured
(Disassemble in reverse order)
