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throttle quadrant frame.
− Remove the two nuts.
(17) Carefully pull the bowden cable clear from
the engine side of the firewall.
DA20-C1 AMM
Engine Controls
Doc # DA201-C1
Rev. 10 76-00-00 Page 211
23 Jun 2004
B. Install The Mixture Control Bowden Cable
Detail Steps/Work Items Key Items
(1) Put the mixture control bowden cable
through the firewall.
(2) Put the mixture control bowden cable
through the tab at the control quadrant.
− Install the 2 nuts which hold bowden
cable to the tab.
Refer to Figure 3a and Figure 3b
(3) Install the cable end to the swivel fitting of
the quadrant mixture lever.
− Tighten the attachment screw.
(4) Put the bowden cable through the rubber
grommet at the aft baffle.
(5) Install the bowden cable to the support
bracket at the apron.
For aircraft with a standard fuel pump:
− Install the top nut to the threaded end.
− Put the bowden cable in position in the
bracket at the apron.
− Install the bottom nut to the threaded
end.
For aircraft with an altitude compensating
fuel pump:
− Insert the end of the mixture control
cable through the hole in the apron.
− Slide the notch in the control cable into
the slot of the support bracket.
− Install the keeper onto the cable and
slide it into place.
− Install the screws, washers and nuts to
secure the keeper to the bracket.
− Tighten the assembly.
(6) Install the cable end to the mixture control
lever at the engine.
For aircraft with a standard fuel pump:
− Put the cable end through the hole in the
swivel bolt.
− Tighten the screw in the swivel bolt.
Engine Controls
DA20-C1 AMM
Page 212
23 Jun 2004 76-00-00 Doc # DA201-C1
Rev.10
Detail Steps/Work Items Key Items
For aircraft with an altitude compensating
fuel pump:
− Install the jam nut and rod end onto the
mixture control cable.
− Put the rod-end on the bolt in the mixture
control lever.
− Put one washer onto the bolt.
− Attach the nut to the bolt.
Tighten the assembly.
(7) For aircraft with an altitude compensating
fuel pump:
Secure the mixture control cable to the #2
cylinder induction tube using a cable tie.
(8) For aircraft with a standard fuel pump:
Install the feed-thru to the engine side of the
firewall with firewall sealant.
− Make sure you seal the firewall correctly.
For aircraft with an altitude compensating
fuel pump:
− Install the angle split bushing halves.
− Install the screws from the engine side.
− Install the washers and nuts.
− Tighten the assembly.
− Install the engine cowlings.
− Look through the left-hand air intake to
check clearance between the mixture
control cable and the upper cowling.
− Install the engine cowlings.
− Completely seal the angled split bushing
and mixture control cable using firewall
sealant.
Use Product PR 812,
(MIL-S-38249 Type 1) Fire Wall Sealant.
Ensure that the upper half is on top of the
lower half.
Refer to Chapter 71-10.
Ensure that there is at least 15mm (5/8”)
clearance. Adjust cable as necessary.
Refer to Chapter 71-10.
Use Product PR 812,
(MIL-S-38249 Type 1) Fire Wall Sealant.
(9) Do a test for correct range, full and free
movement of the mixture control system.
Refer to the Mixture Control Test
Procedure in this Chapter.
(10) Do an inspection of the control connections
which you disconnected. If necessary for
your airworthiness authority, do a second
inspection of the controls.
DA20-C1 AMM
Engine Controls
Doc # DA201-C1
Rev. 10 76-00-00 Page 213
23 Jun 2004
(11) Do a check for loose items in the cockpit.
Specially in the area of the control quadrant.
(12) Install the instrument panel cover. Refer to Chapter 25-10.
(13) Install the TRIM switch to the face plate. Push the Trim switch into position in the
face plate. Connect the connector below
the face plate.
(14) Install the 2 parts of the engine controls face
plate to the center console cover.
(15) Install the control lever knobs to these items:
− PARKING BRAKE.
− HEAT control ON OFF.
− HEAT distribution DEFROST FLOOR.
(16) Do an engine controls freedom of movement
check.
(17) Install the ignition leads to the spark plugs.
Tighten the “B” nuts.
Torque to 12.4 Nm (110-120 in lbs).
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