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1. General .................................................................................................................. 201
2. Remove/Install The Air Intake ............................................................................... 201
CHAPTER 71-70 ENGINE DRAINS......................................................................................................... 1
1. General ...................................................................................................................... 1
2. Description................................................................................................................. 1
trouble-shooting......................................................................................................................... 101
1. General .................................................................................................................. 101
Maintenance Practices............................................................................................................... 201
1. General .................................................................................................................. 201
2. Remove/Install The Fuel Distribution Manifold Drain ............................................ 201
3. Remove/Install The Cylinder Drain........................................................................ 202
4. Remove/Install The Fuel Pump Drain.................................................................... 203
DA20-C1 AMM
Power Plant
Doc # DA201-C1
Rev. 9 71-00-00 Page 1
29 Apr 2004
CHAPTER 71-00
POWER PLANT
1. General
This Chapter tells you about the power plant installed in the DA20-C1. It tells you about the
components that make the power plant. It also tells you how to remove/install the power plant.
For data on the engine test after installation refer to the Teledyne Continental Maintenance Manual
for the IO-240B engine. Refer to the DA20-C1 Flight Manual for engine start/stop procedures.
Refer to these Chapters for data about other engine systems:
− Chapter 72-00. Refer to the Teledyne Continental Maintenance Manual for data on the
engine.
− Chapter 73-00. Fuel system indicating. Refer to the Teledyne Continental Maintenance
Manual for data on the fuel injection system.
− Chapter 74-00. Ignition system power supply and installation (routing and attachment) of
high-tension cables. Refer to the Slick Maintenance Manual for other data. Refer to the
Teledyne Continental Maintenance Manual for data on the spark plugs.
− Chapter 76-00. Engine controls.
− Chapter 77-00. Engine indicating.
− Chapter 78-00. Exhaust system.
− Chapter 79-00. Oil system components installed in the airframe. Refer to the Teledyne
Continental Maintenance Manual for data about the engine oil system.
− Chapter 80-00. Starter system control and installation. Refer to the Teledyne Continental
Maintenance Manual and the Teledyne Continental Starter Kit EQ6656 Installation
Instructions Manual for other data.
Power Plant
DA20-C1 AMM
Page 2
19 Dec 1997 71-00-00 Doc # DA201-C1
Rev. 0
Figure 1 Power Plant
DA20-C1 AMM
Power Plant
Doc # DA201-C1
Rev. 9 71-00-00 Page 3
29 Apr 2004
2. Description And Operation
The power plant in the DA20-C1 has a Teledyne Continental IO-240B engine. The engine is aircooled.
It has four horizontally opposed cylinders with overhead valves. It also has a down-draft
fuel-injection system.
The IO-240B engines have a doweled propeller flange with six bolt holes. The propeller turns in a
clockwise direction, when you look from the cockpit. A propeller extension attaches between the
propeller flange and the engine flange.
The power plant has these components installed:
A. Cowling
The power plant has a top and a bottom engine cowling. The two halves attach to the airframe
with camlock fasteners. The top cowling has a left and a right air intake. The bottom cowling
has one large air intake.
B. Engine Mounting Frame
The engine-mounting frame attaches to the firewall with bolts and self-locking nuts. Tubular
steel makes the mounting frame. The mounting frame attaches to the engine with shockmounts.
Rubber and metal bushings make the engine shock-mounts.
C. Electrical Harness
Electrical cables go through the firewall to connect to the engine. They give electrical supply to
the engine starter motor and engine sensors. Electrical cables from the generator supply
electrical power to the aircraft bus.
D. Air Intakes
The GFRP air intake attaches below the front of the engine. Two flexible hoses from the air
intake go to the exhaust muffler and the induction manifold.
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钻石20系列AMM 2(68)
