Diamond Aircraft DV 20 E 2022, Airplane Maintenance Manual

Page: 523 / 903

AIRCRAFT
DV 20 E AMM
Landing Gear
Doc # 4.02.25
Rev. 2
32-20-00
Page 203
15 Mar 2022
C. Install the Nose Landing Gear Strut
Detail Steps/Work Items Key Items/References
WARNING: USE PROPER PERSONAL PROTECTIVE EQUIPMENT (PPE) WHEN
HANDLING CORROSION PROTECTION AND GREASE. THESE
CHEMICALS WHEN MAKE CONTACT MAY IRRITATE OR CAUSE
DAMAGE TO SKIN.
Note: If Installing a new NLG Strut, Step 1 must be completed first. If installing the
original NLG Strut proceed to step 2.
(1) Preparation of a new NLG Strut assembly:
S
Install strut pivot into strut journal.
S
Install large pivot into strut journal.
S
Put the NLG strut into position in the
airplane from below.
S
Slide out the large pivot from the journal to
engage the bearings in the fuselage.
S
Drill a 2 mm (+/- 0.015 mm) hole in the large
pivot through the pilot hole in the strut
journal (one side only).
S
Slide the large pivot inwards and remove the
NLG strut.
S
Secure the large pivot in the NLG Strut with
a MS171466/468 spring pin inserted into the
drilled hole.
S
Drill a 7.9 mm hole through the strut journal
and large pivot in order to install the lock
bolt.
S
Remove and discard the spring pin. Remove
the large pivot.
S
Remove burrs and sharp edges from holes.
S
Clean up strut journal and large pivot from
foreign objects and any contaminates.
Use Loctite 680. Refer to Figure 3.
A new large pivot must be used when a
new NLG Strut is installed.
No lateral free play is allowed.
Hole location is 17mm (+/- 0.5 mm) from
the edge of the strut journal and angled
50° (+/- 1°) from the center axis of the
strut tube. Refer to Figure 3.