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to the right and pulls the left pedals aft.
You can adjust the position of the rudder pedals. When you pull on the adjuster handle, the latch
disengages from the bottom sledge tube. If you pull further, the pedal assembly moves along the
sledge tubes towards you. Release the handle, then push with your feet on both pedals. The latch will
lock.
If you push with both feet while you pull the handle, the pedal assembly moves along the sledge tubes
away from you. Release the handle, then push with your feet on both pedals. The latch will lock.
When you adjust the position of the pedals, the control cables move through the "S" shaped tubes.
AIRCRAFT
DA 40 Series
AMM
Flight Controls
Doc # 6.02.01
Rev. 5 27-20-00 Page 7
20 Sep 2007
% B. Electrical Adjustment (Optional Equipment, OÄM 40-251)
% Positioning switches are located on the LH and RH side, at the rear wall of the leg room. The
% positioning switch causes the rudder pedals on the corresponding side to move along the guide rail.
% To move the pedals towards you, press the upper side of the switch. Press the lower end of the
% switch and the pedals will move away from you.
% Releasing switch will cause motor to be switched off and the pedals will remain in the current
% position.
AIRCRAFT
Flight Controls DA 40 Series
AMM
Page 8
20 Sep 2007 27-20-00 Doc # 6.02.01
Rev. 5
Yoke
Assembly
Floor Panel
Pilot's Rudder
Pedal Assembly
Co-Pilot's Rudder
Pedal Assembly
Teflon Tube
Pulley Assembly
Outboard Control Cable
Inboard Control Cable
Floor
Panel
Teflon Tube
Plastic Washer
Oetiker Clamp
Fuselage Cables
Yoke
Bush
Spacer
Mounting
Bracket
Control
Bulkhead
Right Inboard
Cable
Left Inboard
Cable
Left Outboard
Cable
Right Outboard
Cable
Control
Bulkhead
Pulley
Safety Plate
Rigging
Pin Hole
%
% Note: When you adjust the position of the pedals, the control cables move through the “S” shaped tubes.
% Figure 4: Rudder Controls Installation in the Cockpit
AIRCRAFT
DA 40 Series
AMM
Flight Controls
Doc # 6.02.01
Rev. 5 27-20-00 Page 101
20 Sep 2007
Trouble-Shooting
1. General
The table below lists the defects you could have in the rudder control system. If you have the trouble
detailed in the Trouble column read across to the Possible Cause column. Then do the repair in the Repair
column.
Trouble Possible Cause Repair
Airplane moves about its yaw
axis in flight.
Rudder control cables need
adjusting.
Fixed trim tab needs adjusting.
Adjust the rudder control cables.
Adjust the fixed trim tab.
Rudder controls stiff/catch. Bearings defective.
Cables chafing in guide tubes.
Replace the defective bearing.
Replace the cables and guide
tubes.
AIRCRAFT
Flight Controls DA 40 Series
AMM
Page 102
20 Sep 2007 27-20-00 Doc # 6.02.01
Rev. 5
Fuselage Cables
with Guide Tubes
Fuselage Cables
with Guide Tubes
Rudder
Lower Mounting-Bracket
Bush
Spacer
Bush Teflon Tube
Spacer
A
A
A
A
A
A
Turnbuckles
Yoke Assembly on
Control Bulkhead
Rudder Stop Bolt
Plastic
Washer
Frame
Oetiker
Clamp
Rudder
Pedestal
Locking Clamps
Figure 5: Rudder Controls Installation in the Rear Fuselage
AIRCRAFT
DA 40 Series
AMM
Flight Controls
Doc # 6.02.01
Rev. 5 27-20-00 Page 201
20 Sep 2007
Maintenance Practices
1. General
These maintenance practices tell you how to do test procedures on the rudder control system. They also
tell you how to adjust the rudder control system. Refer to Section 55-40 to remove/install the rudder.
WARNING: WHEN YOU DO WORK ON THE AIRPLANE CONTROLS, YOU MUST MAKE
SURE THAT THE AREAS AROUND THE CONTROLS/CONTROL
SURFACES ARE CLEAR OF PERSONS/EQUIPMENT. IF YOU DO NOT DO
THIS, INJURY TO PERSONS AND DAMAGE TO CONTROL SURFACES
CAN OCCUR.
WARNING: WHEN YOU COMPLETE WORK ON THE CONTROLS, MAKE SURE THAT
YOU REMOVE ALL LOOSE ITEMS/TOOLS FROM THAT AREA. LOOSE
ITEMS/TOOLS CAN PREVENT FULL MOVEMENT OF THE AIRPLANE
CONTROLS. THIS CAN CAUSE DEATH OR INJURY TO PERSONS.
2. Rudder Control System Test for Correct Range of Movement
A. Equipment
Item Quantity Part Number
Ruler or deflection gauge. 1 Commercial.
B. Rudder Control Test Procedure
Refer to Figure 1.
　
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