g) Flaps (7. 8. 15. 16.) – check the following:
- Flap facing, guide countershaft oiled, guide bolts
tightness, control clearances
- Flap control, angled lever, screws and nuts, pull-rod
forks and nut security locks
- Pull down fl aps and check the following:
- Rollers free motion (during fl ap movement)
- Function of fl ap locking mechanism in fully
extended position – pushing to fl ap trailing
edge
- Clearances (amount of “lost motion”) in
extending direction, fl ap pull down to 10°
(take-off position)
- Clearances perpendicular to fl ap extending
direction, together with aileron movement
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