Diamond Aircraft DV 20 E 2022, Airplane Maintenance Manual

Page: 815 / 903

AIRCRAFT
DV 20 E AMM
Power Plant
Doc # 4.02.25
Rev. 2
71-00-00
Page 201
15 Mar 2022
Maintenance Practices
1. Remove/Install the Engine
A. Remove the Engine
Note: In many cases it is better to remove the engine together with the engine mount
from the firewall. The following is a description of such task.
Warning: Before removing the engine, disconnect the battery.
Detail Steps/Work Items Key Items/References
(1) Install the tail support. Refer to Chapter 7.
WARNING: MAKE SURE THAT THE ENGINE IS SAFE BEFORE YOU DO ANY
WORK ON THE PROPELLER. IF THE ENGINE IS TURNED, THE
PROPELLER CAN CAUSE INJURY OR DEATH.
(2) Remove upper and lower cowling.
(3) Disconnect nose wheel elastomer package
assembly from engine mount.
(4) Disconnect ignition wires.
(5) Remove propeller.
(6) Disconnect battery (negative terminal first), remove
battery.
(7) Disconnect fuel lines from firewall fitting.
(8) Disconnect the electrical connector on the firewall.
(9) Disconnect bowden cables for throttle, alternator air
and cabin heat.
(10) Remove heating hose on the exhaust heat
exchanger.
(11) Lift engine until the engine mount is without load.
Remove lower and than upper engine mount
attachment bolts and move airplane rearward.
(12) Remove exhaust, radiators, oil tank, ignition box,
engine mount and auxiliary engine mounts.