Game Composites GB1 GameBird, Maintenance Manual

Page: 238 / 269

Maintenance Manual GB1 GameBird
Page date: April 24, 2020
57-3
Aileron – GB1-5721-00-00
Each aileron is a composite
assembly consisting of
sandwich skins and load
introducing ribs, mounted
to the wing via 4 hinge
points. Each rib holds one
composite bushing, acting
as the pivot point.
Connection to the control
system is via a 5 mm carbon
fiber plate extruding from
the underside of each
aileron.
A bearing housing is bonded
into this plate, which holds
a spherical ball bearing.
Ailerons do not contain any
counterbalance weights.
To service an Aileron:
1. Disconnect the aileron linkage
2. Before removing the right aileron, remove the side panel in the right aft side console and disconnect
the aileron trim servo wiring
3. At the outboard end of the aileron, use a 6 mm Allen Key to unscrew the hinge pin from the elevator,
support / hold the aileron, then pull the hinge pin out and remove aileron
4. Clean all components
5. Inspection of composite structures is described in section 51-01 .
6. Repair of composite structures is described in sections 51-05 to 51-08 .
7. When reinstalling, reverse steps 1 – 3 and secure the hinge pin at the threaded end with torque seal.
Signature
8. Check for correct installation and function
Ailerons neutral position adjustment:
1 Fix aft control stick in the neutral position,
2 position JIG-GB1-5721-00-00 (shown in green)
as shown, details of jig below.
3 Check top of aileron trailing edge is aligned with
the bottom of inboard wing trailing edge
4 If required, adjust the length of outboard aileron
control rods GB1-2717-40-00:
a. Remove under wing access panel
b. Uninstall fastener connecting outboard aileron
control rod to aileron bellcrank
c. Loosen counter nut, adjust Rose joint to length
d. Secure counter nut
e. Reinstall fastener connecting outboard aileron
control rod to aileron bellcrank
5 Verify top of aileron trailing edge is aligned with the bottom of inboard wing trailing edge
6 When satisfactory, install castle nut and cotter pin
Signature
7 Check for correct installation
8 Reinstall under wing access panel
9 If required, repeat steps 2 – 10 on the other wing
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10 Check for free motion from stop to stop
align