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bushings.
(3) Put the mounting frame in position. And put
a support below the mounting frame.
(4) Assemble the top shock mounts:
− Put the top 2 shock mounts into position
between the mounting frame and the
engine.
− Put the two support struts into position.
− Put the 2 top bolts through the support
struts and mounting frame to hold the
engine mounts in position.
− Put the 2 shock mounts into position on
the 2 bolts at the forward face of the
engine.
− Install the 2 nuts and washers.
Refer to Figure 1.
Make sure the cup washers are installed
correctly.
Heads aft.
Refer to the Teledyne Continental Motors
Maintenance Manual for shock mount
assembly data.
(5) Assemble the top shock mounts:
− Put the bottom 2 shock mounts into
position between the mounting frame
and the engine.
− Put the 2 shock mounts into position at
the forward face of the engine.
− Put the 2 bottom bolts through the shock
mounts, mounting frame and support
struts.
− Install the 2 nuts and washers.
Refer to Figure 1.
Make sure the cup washers are installed
correctly.
Heads forward.
Refer to the Teledyne Continental Motors
Maintenance Manual for shock mount
assembly data.
(6) Tighten the 4 nuts. Torque: 20.4 - 21.5Nm (180-190 in.lb)
(7) Install the P-clip that attaches the air/oil
separator vent pipe to the mounting frame.
(8) Install the P-clip that attaches the fuel pump
and cylinder drain pipes to the mounting
frame.
DA20-C1 AMM
Power Plant
Doc # DA201-C1
Rev. 9 71-60-00 Page 1
29 Apr 2004
CHAPTER 71-60
AIR INTAKES
1. General
The DA20-C1 has a GFRP air intake that attaches below the front of the engine. Two flexible
hoses from the air intake go to the exhaust muffler and the engine intake manifold. An opening at
the rear of the air intake supplies alternate air to the engine intake manifold.
2. Description
The GFRP air intake attaches to the bottom of the engine at the front. The air intake has three
openings. The left opening (primary intake) supplies air through a filter assembly and large flexible
hose to the engine intake manifold. The right opening supplies unfiltered air through a duct and
large flexible hose to the heat-exchanger on the muffler.
The rear opening (alternate intake) has a door assembly. A bowden cable controls the door
position from the cockpit. If the filter in the left opening becomes blocked, you can select the
alternate air supply.
A stainless-steel mesh screen bonds into the left opening. The screen holds the air filter.
Refer to The Teledyne Continental IO-240B Maintenance Manual (Form X30621A) for data on
the induction system. And refer to Chapter 21-00 for data on the heat-exchanger.
Power Plant
DA20-C1 AMM
Page 2
29 Apr 2004 71-60-00 Doc # DA201-C1
Rev. 9
Air Intake
Pipe Clamp
Air Intake
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
Induction Manifold
Figure 1: Air Intake
DA20-C1 AMM
Power Plant
Doc # DA201-C1
Rev. 0 71-60-00 Page 201
19 Dec 1997
MAINTENANCE PRACTICES
1. General
These maintenance practices tell you how to remove and install the air intake.
WARNING: DO NOT STAND WITHIN THE DANGER AREA OF THE PROPELLER.
IF THE ENGINE STARTS, THE PROPELLER CAN CAUSE DEATH OR
INJURY TO PERSONS.
2. Remove/Install The Air Intake
A. Remove The Air Intake
Detail Steps/Work Items Key Items
(1) Remove the engine cowlings. Refer to Chapter 71-10.
(2) Disconnect the control cable from the
alternate air lever. Remove these items:
− Nut
− Bolt
− Two washers
− Return spring
Disconnect the control cable.
(3) Remove the air intake from the bottom of the
engine:
− Remove the two worm drive clamps from
the flexible hoses at the air intake.
− Disconnect the two flexible hoses.
− Cut the lock wire and remove the two
bolts, nuts and washers from the bracket
where it attaches to the engine.
− Remove the air intake.
Power Plant
DA20-C1 AMM
Page 202
29 Apr 2004 71-60-00 Doc # DA201-C1
Rev. 9
B. Install The Air Intake
Detail Steps/Work Items Key Items
(1) Inspect the air intake for damage. Look
specially for cracks and correct attachment
of the screen.
　
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