Diamond Aircraft DV 20 E 2022, Airplane Maintenance Manual

Page: 95 / 903

AIRCRAFT
DV 20 E AMM
Time Limits and
Maintenance Checks
Interval
Inspection Items, Wings 100 200 1000 Initials
Doc # 4.02.25
Rev. 2
05-28-50
Page 15
15 Mar 2022
6. Visually examine the mass balance attachment through the
access hole on the lower surface. Inspect for cracks in the
laminate and bonding paste around the fasteners.
X X X
7. Examine the flaps. Look especially for damage (dents,
cracks, holes and delamination).
X X X
8. Remove the flap push-rods and examine them for damage.
Look especially for rub marks and excessive wear. The
maximum wear permitted is 0.125 mm (0.005 in).
Measure the amount of wear as follows:
S
Take a measurement of the push-rod diameter at the
edge of the paint.
S
Take a measurement of the push-rod diameter at the
middle of the wear mark.
S
Compare the two measurements. If the maximum wear
permitted is exceeded, replace the push-rod.
Install the pushrods.
X
9. Examine the flap hinges and control horn. Check the laminate
around the hinges and the control horn fasteners for cracks or
delamination.
Look especially for too much play. Play allowed:
S
Axial: ± 1.00 mm (± 0.04 in).
S
Radial: ± 0.25 mm (± 0.01 in).
X X X
10. Remove the flap and aileron bellcrank access panels in the
wing (Refer to Chapter 52-40).
S
Examine the aileron and flap control system. Look
especially for correct attachment and lock devices. (Refer
to Chapter 27-10 and Chapter 27-50).
S
Install the access panels.
X X X