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Refer to the DA20-C1 Flight Manual for engine run instructions/data.
WARNING: DO NOT STAND WITHIN THE DANGER AREA OF THE PROPELLER.
IF THE ENGINE STARTS, THE PROPELLER CAN CAUSE DEATH OR
INJURY TO PERSONS.
WARNING: YOU MUST MAKE SURE THAT THE ENGINE IS SAFE BEFORE YOU
TURN THE PROPELLER. DISCONNECT THE SPARK PLUG LEADS.
MAKE SURE THAT THE MAGNETO SWITCHES ARE IN THE “OFF”
POSITION AND THE “P” LEADS ARE GROUNDED. THE THROTTLE
SET TO “CLOSED” AND THE MIXTURE CONTROL SET TO “IDLE
CUT-OFF”.
WARNING: DO NOT GO BELOW THE ENGINE WHEN YOU LIFT THE ENGINE
WITH THE HOIST. THE HOIST CAN FAIL. THIS CAN CAUSE DEATH
OR INJURY TO PERSONS.
WARNING: DO NOT GET OIL ON YOU. OIL CAN CAUSE SKIN DISEASE.
WARNING: DO NOT GET FUEL ON YOU. FUEL CAN CAUSE SKIN DISEASE. DO
NOT ALLOW FIRE NEAR FUEL. FIRE BURNS AND CAN CAUSE
INJURY TO PEOPLE AND DAMAGE TO EQUIPMENT.
CAUTION: YOU MUST ATTACH CAPS TO HOLES/PIPES WHEN YOU REMOVE
THE ENGINE. IF YOU DO NOT DO THIS, CONTAMINATION CAN
ENTER THE HOLES/PIPES. THIS CAN CAUSE BLOCKAGE TO THE
AIRPLANE SYSTEMS.
Power Plant
DA20-C1 AMM
Page 202
19 Dec 1997 71-00-00 Doc # DA201-C1
Rev. 0
Figure 2: Connections At The Rear Of The Engine
DA20-C1 AMM
Power Plant
Doc # DA201-C1
Rev. 11 71-00-00 Page 203
28 June 2005
2. Remove/Install The Engine
A. Equipment
Items Quantity Part Number
Hoist 1 Commercial
Engine sling 1 Commercial
Engine stand 1 Commercial
Tail trestle 1 Commercial
Airplane chocks 4 Commercial
Note: The remove/install the engine procedure that follows, keeps the mounting frame
attached to the engine. This makes the procedures easier.
B. Remove The Engine
Detail Steps/Work Items Key Items
(1) Put the chocks against the main airplane
wheels.
(2) Set the fuel shut-off valve to CLOSED.
WARNING: BEFORE YOU DO WORK ON THE ENGINE YOU MUST MAKE
SURE THAT THE ENGINE IS SAFE. DISCONNECT THE SPARK
PLUG LEADS. MAKE SURE THAT:
- THE IGNITION SWITCH IS IN THE “OFF” POSITION.
- THE “P” LEADS ARE GROUNDED.
- THE THROTTLE IS SET TO “CLOSED”.
- THE MIXTURE CONTROL IS SET TO “LEAN CUT-OFF”.
(3) Set the throttle lever to IDLE. And set the
mixture lever to LEAN CUT-OFF.
(4) Remove the engine cowlings. Refer to Chapter 71-10
(5) Disconnect the airplane battery. Refer to chapter 24-31
(6) Disconnect the spark plug leads from the
spark plugs. And remove the spark plugs.
(7) Put blanks in the spark plug holes in the
cylinder head.
This will stop contamination going into the
cylinders.
(8) Put the tail trestle under the rear fuselage.
Put weight attached to straps over the rear
fuselage to hold the fuselage against the
trestle.
Refer to chapter 07-10.
Power Plant
DA20-C1 AMM
Page 204
29 Apr 2004 71-00-00 Doc # DA201-C1
Rev. 9
Air Intake
Pipe Clamp
Air Intake Pipe
Support Bracket
Air Intake Pipe Clamp Oil Cooling Air
Pipe Clamp
Oil Cooling Air
Pipe Clamp
Cabin Heating Air
Pipe Clamp
Air Intake to Heat
Exchanger Pipe Clamps
Oil Inlet And
Return Pipes
Exhaust Manifold Nuts
Spark-Plug Leads
Figure 3: Connections On The Left Of The Engine (1)
DA20-C1 AMM
Power Plant
Doc # DA201-C1
Rev. 11 71-00-00 Page 205
28 June 2005
Detail Steps/Work Items Key Items
WARNING: DO NOT STAND WITHIN THE DANGER AREA OF THE
PROPELLER. IF THE ENGINE STARTS, THE PROPELLER CAN
CAUSE DEATH OR INJURY TO PERSONS.
(9) Disconnect the nose-gear elastomer pack at
the engine-mounting frame.
Refer to chapter 32-20
(10) Remove the propeller. Refer to chapter 61-00
(11) Disconnect the engine electrical cables from
these components:
− The oil temperature sensor.
− The oil pressure sensor.
− The cylinder head temperature (CHT)
sensor.
− The events (hours meter) switch.
− The exhaust gas temperature (EGT)
sensor.
− The starter motor. (One cable).
− The generator (Two cables).
Remove the P-clips. And move the cables
clear of the engine.
(12) Disconnect the engine ground cable from the
blanking plate on the engine accessory
housing.
(13) Disconnect the knurled nut of the tachometer
drive from the accessory case attachment
point.
− Carefully pull the flexible drive clear of
the engine.
WARNING: DO NOT GET FUEL ON YOU. FUEL CAN CAUSE SKIN DISEASE.
DO NOT ALLOW FIRE NEAR FUEL. FIRE BURNS AND CAN
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钻石20系列AMM 2(70)
