Diamond Aircraft DV 20 E 2022, Airplane Maintenance Manual

Page: 375 / 903

AIRCRAFT
DV 20 E AMM Flight Controls
Doc # 4.02.25
Rev. 2
27-30-00
Page 203
15 Mar 2022
3. Elevator Control System Adjustments
If you cannot get the correct range of movement of the elevator control system, use this procedure to
adjust the system. Gust travel refers to the amount of travel remaining at the control surface with the
control stick held against the cockpit stop.
WARNING: IF YOU DO AN ADJUSTMENT OF A CONTROL ROD, MAKE SURE
THAT THE CONTROL ROD IS STILL IN SAFETY. IF YOU DO NOT DO
THIS, THE CONTROL ROD CAN DISCONNECT. THIS CAN CAUSE
DEATH OR INJURY TO PERSONNEL.
A. Equipment
Item Quantity Part Number
Protractor. 1 Commercial.
B. Elevator Control Adjustment Procedure
Detail Steps/Work Items Key Items/References
(1) Remove the following items for access:
S
Pilots’ seats.
S
Center fuselage access panels.
S
Rudder.
Refer to Section 25-10
Refer to Section 52-40.
Refer to Section 55-40.
(2) Make sure the control stick is centered.
WARNING: WHEN YOU DO WORK ON THE AIRPLANE CONTROLS, MAKE
SURE THAT THE AREA AROUND THE CONTROLS/CONTROL
SURFACES ARE CLEAR OF PERSONNEL/EQUIPMENT. IF YOU DO
NOT DO THIS, INJURY TO PERSONNEL AND DAMAGE TO
CONTROL SURFACES CAN OCCUR.
(3) Do a check of the two elevator control rods that
attach between the torque tube assembly and
the bellcrank at the bottom of the vertical
stabilizer.
Make sure that the bellcrank is at
90 degrees to the vertical stabilizer
lower rib.