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connector and then bleed the
brake system.
AIRCRAFT
Landing Gear
DA 40 Series
AMM
Page 102
20 Sep 2007 32-40-00 Doc # 6.02.01
Rev. 5
Intentionally left blank
AIRCRAFT
DA 40 Series
AMM
Landing Gear
Doc # 6.02.01
Rev. 5 32-40-00 Page 201
20 Sep 2007
Maintenance Practices
1. General
These maintenance practices tell you how to remove/install components. They also give the
conditioning procedure for the brake linings. Refer to the manufacturer's data (Cleveland/Parker
Hannifin Corporation) for other shop work.
2. Remove/Install a Main Wheel
A. Equipment
Item Quantity Reference
Airplane jacks 3 Commercial
B. Remove a Main Wheel
Detail Steps/Work Items Key Items/References
(1) Remove the wheel fairing:
S Remove the brake cover.
S Remove the outer bolt.
S Remove 4 screws from the inner side.
Only if the optional strut fairing (OÄM
40-106) is installed.
(2) Lift the airplane on jacks. Refer to Section 07-10.
(3) Remove the back-plate from the brake caliper. Cut the locking wire.
(4) Remove the lock-bolt from the axle nut.
(5) Remove the axle nut.
(6) Pull the wheel from the axle.
AIRCRAFT
Landing Gear
DA 40 Series
AMM
Page 202
20 Sep 2007 32-40-00 Doc # 6.02.01
Rev. 5
C. Install a Main Wheel
Detail Steps/Work Items Key Items/References
(1) Apply a light coating of grease to the axle where
the wheel bearings go.
Use grease MIL-G-3545.
(2) Put the wheel in position on the axle. Make sure that the brake caliper is
correctly engaged on the torque plate.
Note: Turn the wheel by hand while you tighten the axle nut. This will remove grease
(which can separate the bearings) or burrs. Both can cause too much wheel
bearing play later.
(3) Install the axle-nut. Hand tight.
(4) Loosen the axle nut until it is just loose.
(5) Tighten the axle nut. Hand tight.
(6) Loosen the axle nut until one of the 2 holes in the
axle aligns with the nut.
(7) Install the lock-bolt, washer and self-locking nut. Do not loosen the nut more than 30°
(half of a flat).
(8) Measure the end play in the hub assembly. There should be 0.025 to 0.125 mm
(0.001 to 0.005 in) of end play when
correctly adjusted.
(9) Lower the airplane with the jacks. Refer to Section 07-10.
(10) Install the wheel fairing:
S Install 4 screws on the inner side.
S Install the outer bolt.
S Install the brake cover. Only if the optional strut fairing (OÄM
40-106) is installed.
AIRCRAFT
DA 40 Series
AMM
Landing Gear
Doc # 6.02.01
Rev. 5 32-40-00 Page 203
20 Sep 2007
3. Remove/Install the Nose Wheel
A. Equipment
Item Quantity Reference
Padded trestle. 1 Commercial.
Weight and strap. 1 Commercial.
B. Remove the Nose Wheel
Detail Steps/Work Items Key Items/References
(1) Remove the wheel fairing:
S Remove 6 screws attaching the left half of the
fairing to the right half.
S Remove the 3 left and 3 right attaching
screws.
S Remove the fairing.
(2) Use weights to hold the rear fuselage down with
the nose wheel clear of the ground.
Use a strap around the rear fuselage.
(3) Put a padded trestle under the fuselage just aft of
the nose gear mounting.
(4) Remove the axle bolt:
S Remove the cotter pin from the axle nut.
S Remove the axle nut and washer.
S Remove the axle bolt and washer.
(5) Remove the wheel from the fork.
AIRCRAFT
Landing Gear
DA 40 Series
AMM
Page 204
20 Sep 2007 32-40-00 Doc # 6.02.01
Rev. 5
C. Install the Nose Wheel
Detail Steps/Work Items Key Items/References
(1) Put the wheel in position in the fork.
(2) Install the axle bolt:
S Install the washer onto the axle bolt.
S Push the axle bolt into position through the
axle.
S Install a second washer onto the axle bolt.
S Install the axle nut hand tight only!
S Slowly rotate the wheel while tightening the
axle nut, hand tight only!
S Turn the axle nut counter-clockwise until the
next cotter pin hole aligns with the axle nut.
S Install the cotter pin.
Put Mastinox 6856K corrosion inhibitor
or LPS-3 on the shank of the bolt. Clean
corrosion inhibitor from the threads.
To settle the tapered wheel bearing.
(3) Turn the nose wheel. Make sure that the valve
cap does not touch the fork.
Clearance 2 mm (0.08 in) minimum.
(4) Remove the trestle from the front fuselage.
(5) Lower the nose wheel to the ground. Remove the weights from the rear
　
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