AIRCRAFT
DA 40 Series AMM
Temporary Revision
NLG Inspection & Maintenance
7. Remove/Install the NLG Fork Assembly
A. Equipment
Refer to Chapter 07-10-00 for the equipment required for jacking the aircraft.
B. Remove the NLG Fork Assembly
Detail Steps/Work Items
Key Items/References
(1)
Jack the Aircraft.
Refer to Chapter 07-10-00.
(2)
Remove the fairing, if installed.
(3)
Remove the hexagon nut, small washer, two disc
springs, large washer, and stop plate.
Refer to Figure 4.
(4)
Remove the fork assembly from the pivot.
C. Install the NLG Fork Assembly
Detail Steps/Work Items
Key Items/References
(1)
Clean the NLG strut and fork bushing of any dirt or
residue.
(2)
Install the fork assembly on the NLG strut axle as
follows:
Install the fork assembly to the NLG strut.
Install the stop plate, large washer, two disk
springs, small washer, and hexagon nut.
Tighten the nut to achieve break out force
required.
Refer to Figure 4.
Ensure the disk springs are installed with
the open side facing up.
The nose-wheel must just castor when a
force of 30-50 N (6.75 - 11.25 lb) is
applied along the direction of the nose
wheel axle
. Refer to Paragraph 7.
(3)
Adjust the nose wheel steering friction.
Refer to Paragraph 7.
(4)
Install the fairing, if removed.
(5)
Remove aircraft from the jacks.
Refer to Chapter 07-10-00.
Doc # 6.02.01
AMM-TR-MÄM 40-1037
32-20-00
Page 17
13 Jul 2020
