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(4) Remove the instrument panel cover. Refer to Section 25-10.
(5) Disconnect the connector from the PM 1000 II
(6) Remove the attaching screws and knobs from the
PM 1000 II.
Hold the PM 1000 II!
(7) Remove the unit from the instrument panel.
AIRCRAFT
Communications DA 40 Series
AMM
Page 202
20 Sep 2007 23-50-00 Doc # 6.02.01
Rev. 5
B. Install the PM 1000 II Intercom
Detail Steps/Work Items Key Items/References
(1) Put the PM 1000 II in position in the instrument
panel.
(2) Install the attaching screws.
(3) Connect the connector to the PM 1000 II.
(4) Install the instrument panel cover. Refer to Section 25-10.
(5) Connect the airplane battery. Refer to Section 24-31 (Lycoming
version) or 24-34 (TAE version).
(6) Install the engine top cowling. Refer to Section 71-10 (Lycoming
version) or 71-11 (TAE version).
(7) Do a function test of the PM 1000 II. Refer to Paragraph 5.
AIRCRAFT
DA 40 Series
AMM
Communications
Doc # 6.02.01
Rev. 5 23-50-00 Page 203
20 Sep 2007
3. Remove/Install the Audio Panel
A. Remove the Audio Panel
This paragraph applies to the KMA 28 and GMA 340 audio panels.
Detail Steps/Work Items Key Items/References
(1) Open the AUDIO circuit breaker.
(2) Put a 3/32 Allen wrench into the access hole for
the locking screw. Engage the wrench into the
screw.
Refer to Figure 2 (KMA 28) or Figure 3
(GMA 340).
(3) Turn the screw counter-clockwise until the unit
disengages from the mounting rack.
CAUTION: DO NOT PULL ON THE KNOBS. DO NOT PRY THE FACE-PLATE.
YOU CAN DAMAGE THE UNIT.
CAUTION: DO NOT TOUCH THE CONNECTOR CARD AT THE REAR OF THE
UNIT. THE ELECTROSTATIC CHARGE OF YOUR BODY CAN
DAMAGE THE UNIT.
(4) Pull gently on the side of the unit to remove it
from the mounting rack.
(5) Install the protective covers on the rear
connectors of the unit.
AIRCRAFT
Communications DA 40 Series
AMM
Page 204
20 Sep 2007 23-50-00 Doc # 6.02.01
Rev. 5
B. Install the Audio Panel
This paragraph applies to the KMA 28 and GMA 340 audio panels.
Detail Steps/Work Items Key Items/References
(1) Remove the protective covers from the
connectors on the rear of the unit.
(2) Slide the unit into the rack. Engage the locking
screw so that the lobe of the front latch touches
the rack.
Refer to Figure 2 (KMA 28) or Figure 3
(GMA 340).
(3) Turn the locking screw so that the rear lobe
engages the mounting rack.
CAUTION: DO NOT OVER-TIGHTEN THE LOCKING SCREW. IF YOU OVERTIGHTEN
THE LOCKING SCREW YOU CAN DAMAGE THE LOCKING
MECHANISM.
(4) Continue to turn the locking screw until the unit is
fully installed in the mounting rack.
(5) Close the AUDIO circuit-breaker.
(6) Do a function test of the system. Refer to Paragraph 6.
AIRCRAFT
DA 40 Series
AMM
Communications
Doc # 6.02.01
Rev. 5 23-50-00 Page 205
20 Sep 2007
4. Remove/Install the Marker Beacon Receiver Antenna
A. Remove the Marker Beacon Receiver Antenna
Detail Steps/Work Items Key Items/References
(1) Remove the passengers' seat. Refer to Section 25-10.
(2) Release the co-axial connector from the antenna.
(3) Release the screws, nuts and washers which
hold the antenna.
(4) Carefully pull the antenna clear of the fuselage
and hold it.
If necessary, carefully cut the sealant
around the base of the antenna. You
must not damage the fuselage skin.
(5) Move the antenna clear of the airplane.
B. Install the Marker Beacon Receiver Antenna
Detail Steps/Work Items Key Items/References
(1) Carefully remove any sealant from the area
where the antenna attaches to the fuselage.
(2) Clean the area where the antenna attaches to the
fuselage.
(3) Put the antenna in position under the fuselage.
(4) Attach the antenna with the screws, washers and
nuts.
(5) Connect the co-axial connector to the antenna.
(6) Seal the outer edge of the antenna to the
fuselage skin with sealant.
Use Dow Corning 732 RTV.
(7) Install the passengers' seat. Refer to Section 25-10.
(8) Do a test of the marker beacon receiver
functions.
Refer to Paragraph 6.B.
AIRCRAFT
Communications DA 40 Series
AMM
Page 206
20 Sep 2007 23-50-00 Doc # 6.02.01
Rev. 5
5. Test the PM 1000 II Intercom
Detail Steps/Work Items Key Items/References
(1) Make sure all the head-sets are connected.
(2) Select the mode switch to ALL.
(3) Turn the VOLUME control to switch the unit ON.
(4) Do a test for communication between the pilot,
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