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(3) Disconnect the 4 brake pipes from the parking
brake valve.
Catch the brake fluid!
Put caps on all connections.
(4) Remove the 2 nuts, bolts and washers which
attach the valve and bracket.
(5) Move the Bowden cable and bracket clear of the
valve.
(6) Remove the valve from the airplane.
AIRCRAFT
Landing Gear
DA 40 Series
AMM
Page 210
20 Sep 2007 32-40-00 Doc # 6.02.01
Rev. 5
B. Install the Parking Brake Valve
Detail Steps/Work Items Key Items/References
(1) Put the parking brake valve in position. At the bottom of the control bulkhead.
Refer to Figure 5.
(2) Install the 2 nuts, bolts and washers which attach
the valve.
Make sure that the bracket for the
Bowden cable is in position.
(3) Connect the 4 brake pipes to the parking brake
valve.
(4) Put the center wire of the Bowden cable through
the swivel fitting on the brake valve lever. Tighten
the screw.
(5) Bleed the brake system. Refer to Paragraph 7.
(6) Do a function test of the parking brake system:
S Set the parking brake to LOCK.
S Pump the foot brake pedals.
S The brakes must stay on.
S Set the parking brake to RELEASE.
S The brakes must release.
(7) Install the pilots' seats. Refer to Section 25-10.
AIRCRAFT
DA 40 Series
AMM
Landing Gear
Doc # 6.02.01
Rev. 5 32-40-00 Page 211
20 Sep 2007
7. Bleed the Brake System
A. Equipment
Item Quantity Reference
Pressure bleed equipment with MIL-H-5606A brake fluid. 1 Commercial.
Transparent overflow pipe and container. 1 Commercial.
B. Bleeding Procedure
This procedure bleeds the air from the braking system on one side of the airplane (left or right). If
necessary, perform this procedure on both braking systems (left and right).
Detail Steps/Work Items Key Items/References
(1) Clean the area of the brake fluid reservoir cap. On the co-pilot’s rudder pedal
assembly. Refer to Figure 3.
(2) Remove the cap.
WARNING: DO NOT GET BRAKE FLUID ON YOU. BRAKE FLUID CAN CAUSE
DISEASE.
CAUTION: CLEAN UP SPILT BRAKE FLUID IMMEDIATELY. BRAKE FLUID CAN
DAMAGE PAINT AND OTHER MATERIAL.
(3) Connect the transparent overflow pipe to the
reservoir.
Put the free end of the pipe in a
container.
(4) Clean the area around the bleed nipple below the
brake cylinder.
Refer to Figure 4.
(5) Connect the pressure bleed equipment to the
bleed nipple below the brake cylinder.
Use only MIL-H-5606A brake fluid.
(6) Open the bleed nipple about 1/2 to 1 turn.
(7) Use the pressure bleed equipment to fill the brake
system.
Monitor the fluid coming from the
reservoir for air bubbles.
(8) Operate the parking brake ON and OFF 10 to 20
times to remove air from the system.
Continue bleeding the system until the
fluid has no bubbles.
AIRCRAFT
Landing Gear
DA 40 Series
AMM
Detail Steps/Work Items Key Items/References
Page 212
20 Sep 2007 32-40-00 Doc # 6.02.01
Rev. 5
(9) Operate the pilot’s brake pedals many times to
remove air from the system.
Continue bleeding the system until the
fluid has no bubbles.
(10) Operate the co-pilot’s brake pedals many times to
remove air from the system.
Continue bleeding the system until the
fluid has no bubbles.
(11) Remove the pressure bleed equipment. Close the
bleed nipple and install the protective cap.
(12) Remove the overflow pipe and container.
(13) Measure the fluid level in the reservoir. If
necessary, add or remove fluid.
The correct level is 12 mm (0.5 in.)
below the top of the filler hole. When the
level is 25 mm (1 in.) below the top of
the filler hole you must add fluid to the
correct level.
Refer to Figure 2.
(14) Install the reservoir cap.
(15) Do a function test of the brake system.
AIRCRAFT
DA 40 Series
AMM
Landing Gear
Doc # 6.02.01
Rev. 5 32-40-00 Page 213
20 Sep 2007
8. Condition the Brake Linings
The brake linings are a non-asbestos organic material. You must condition new brake linings.
Conditioning gives a thin layer of glaze at the friction surface. Usual brake usage keeps the layer of
glaze for the life of the brake lining.
Light brake use can wear off the glaze. This reduces brake performance. If the glaze wears off, do the
conditioning procedure.
Detail Steps/Work Items Key Items/References
WARNING: DO NOT TAXI THE AIRPLANE UNLESS YOU HAVE BEEN TRAINED
TO TAXI AND YOU ARE AUTHORIZED BY YOUR AIRWORTHINESS
AUTHORITY.
CAUTION: MAKE SURE THAT THE BRAKES OPERATE CORRECTLY WHILE
　
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