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AMM
Landing Gear
Doc # 6.02.01
Rev. 5 32-20-00 Page 203
20 Sep 2007
C. Install the Nose Landing Gear Strut
Detail Steps/Work Items Key Items/References
(1) Preparation:
S Liberally apply corrosion protection to these
items:
S The inside of the journal assembly.
S The shank of the lock bolt.
S The shank of the bolt which attaches the
elastomer pack to the engine mount.
Refer to Figure 1.
Use LPS.
(2) Put the nose gear strut in position in the airplane
from below.
(3) Expand the journals of the unit to engage the
bearings in the fuselage.
Refer to Figure 1.
(4) Install the lock bolt in the journal bearing unit.
(5) Connect the elastomer pack to the engine mount. Refer to Figure 1.
(6) Adjust the nose wheel steering friction. Refer to Paragraph 5.
(7) Remove the trestle from the front fuselage.
(8) Lower the nose wheel to the floor. Remove the weights from the rear
fuselage.
(9) Install the strut fairing:
S Put the strut fairing in position on the strut.
S Install the bolts, nuts and washers to the
support bracket at the forward bottom side of
the cover.
S Install the bolts, nuts and washers at the
trailing edge.
Optional, see OÄM 40-105.
Take care of the padding on the nose
gear strut.
(10) Install the engine cowling. Refer to Section 71-10 or 71-11.
AIRCRAFT
Landing Gear
DA 40 Series
AMM
Page 204
20 Sep 2007 32-20-00 Doc # 6.02.01
Rev. 5
3. Remove/Install the Elastomer Pack
A. Equipment
Item Quantity Part Number
Padded trestles. 1 Commercial.
Weight and strap. 1 Commercial.
B. Remove the Elastomer Pack
Detail Steps/Work Items Key Items/References
(1) Use weights to hold the rear fuselage down with
the nose wheel clear of the ground.
Use a strap around the fuselage.
(2) Put a padded trestle under the front fuselage just
aft of the nose mounting.
(3) Remove the engine cowling. Refer to Section 71-10 or 71-11..
(4) Remove the strut fairing (if installed):
S Remove the bolts, nuts and washers at the
trailing edge.
S Remove the bolts, nuts and washers from the
support bracket at the forward bottom side of
the cover.
S Move the strut fairing clear of the airplane.
Optional, see OÄM 40-105.
(5) Disconnect the elastomer pack from the engine
mount.
Hold the nose-gear strut. Refer to
Figure 2.
(6) Remove the 4 bolts on each side attaching the left
hand and right hand bearing plates.
(7) Remove the assembly from the airplane.
AIRCRAFT
DA 40 Series
AMM
Landing Gear
Doc # 6.02.01
Rev. 5 32-20-00 Page 205
20 Sep 2007
C. Install the Elastomer Pack
Detail Steps/Work Items Key Items/References
(1) Install the bearing plates on the lower bearing. Refer to Figure 2. Bearing plates must
be installed on journals of trunnions.
Cover the plates with Mastinox 6856K.
(2) Install the 4 washers and bolts for the left hand
and 4 washers and bolts for the right hand safety
plates.
(3) Connect the elastomer pack to the engine mount. Put LPS 3 on the shank of the bolt.
Clean corrosion inhibitor from the
threads.
(4) Remove the trestle from the front fuselage.
(5) Lower the nose wheel to the floor. Remove the weights from the rear
fuselage.
(6) Install the strut fairing:
S Put the strut fairing in position on the strut.
S Install the bolts, nuts and washers to the
support bracket at the forward bottom side of
the cover.
S Install the bolts, nuts and washers at the
trailing edge.
Optional, see OÄM 40-105.
Take care of the padding on the nose
gear strut.
(7) Install the engine cowling. Refer to Section 71-10 or 71-11.
AIRCRAFT
Landing Gear
DA 40 Series
AMM
Page 206
20 Sep 2007 32-20-00 Doc # 6.02.01
Rev. 5
4. Replace the Elastomer Elements
CAUTION: YOU MUST ALWAYS REPLACE CRACKED ELASTOMER ELEMENTS.
IF YOU DO NOT REPLACE CRACKED ELASTOMER ELEMENTS, THE
PROPELLER CAN HIT AN OBJECT.
Detail Steps/Work Items Key Items/References
(1) Remove the elastomer pack from the airplane. Refer to Paragraph 3.
WARNING: DO NOT STAND IN THE LINE OF THE ELASTOMER PACK WHEN
YOU REMOVE THE NUT. THE ASSEMBLY CAN EXPAND WITH A
LOT OF FORCE.
(2) Remove the adjusting nut from the elastomer
pack.
(3) Replace the defective elements.
(4) Install the adjusting nut. Refer to Figure 2. The distance between
the center of the eye-end bearing and
the center of the lower journal bearing
must be 302.5 ± 1 mm (11.9 ± 0.4 in.).
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钻石40系列AMM 2(56)
