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AMM

DA 40 Series

Detail Steps/Work Items  Key Items/References 
(31)  Remove the engine mount attachments: S Remove the nut and washer which attaches the nose wheel strut and engine mount to the firewall. S Remove the nuts and washers which attach the bottom of the engine mount to the firewall. S Remove the nuts and washers which attach the top of the engine mount to the firewall. S Pull the engine and engine mount forward and clear of the airplane. Lower the engine and engine mount into a stand.  Make sure that all electrical cables, control cables and other items are clear of the engine and the engine mount. 

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5. Install the Engine with the Engine Mount
Note:  If you install a new engine, you must do the engine break-in procedure after installation. Refer to Paragraph 11.
A. Preparation
Detail Steps/Work Items  Key Items/References 
(1)  If you have not already done so: S Raise the airplane on jacks and make the airplane level. S Move the nose trestle into position.  Refer to Section 07-10. Refer to Section 07-10. 
(2)  Examine the engine and propeller control cables. Move each cable through its range of movement several times. 
(3)  Make sure all the electrical cables are clean and not damaged. 
(4)  Make sure the oil hoses are not damaged. 
(5)  Make sure the fuel pipes/hoses are not damaged. 
(6)  Make sure that all drains and vents are not damaged or blocked. 
(7)  Make sure that all the flexible hoses are clean and not damaged. 

B. Equipment
Item  Quantity  Part Number 
Hoist.  1  Commercial. 
Engine sling.  1  Commercial. 
Airplane jacks.  3  Commercial. 
Nose trestle.  1  Commercial. 
Wing trestles.  2  Commercial. 
Torque wrench.  1  Commercial. 

Page 230 Doc # 6.02.01 09 Jan 2003 Rev. 4
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Power Plant
AMM

C. Install the Engine with the Engine Mount
DA 40 Series

Detail Steps/Work Items  Key Items/References 
WARNING: DO NOT GO UNDER THE ENGINE WHILE IT IS HELD BY THE ENGINE HOIST. IF THE HOIST FAILS, THE ENGINE CAN FALL AND CAUSE INJURY TO PERSONS. 
(1)  Move the engine and engine mount into position with the hoist: S Locate the engine mount pads onto the mounting studs. S Gently move the engine mount aft until the mounting pads are correctly located against the firewall.  Make sure that all electrical cables, control cables and other items are correctly positioned. 
(2)  Attach the engine mount to the fuselage: S Install the nuts and washers onto the top mounting studs. S Install the nuts and washers onto the bottom mounting studs. S Install the nose leg strut onto the center mounting stud. S Install the washer and nut onto the center mounting stud.  Do not tighten the nuts. Do not tighten the nuts. Do not tighten the nuts. 
(3)  Tighten the mounting nuts. 
(4)  Connect the manifold pressure pipe to the connector on the firewall. 

Doc # 6.02.01 Page 231
Rev. 4 09 Jan 2003

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AMM

DA 40 Series

Detail Steps/Work Items  Key Items/References 
(5)  Move these cables into position and connect them to their related components: S The engine earth cable. S The generator (5 cables). S The starter motor (1 cable). S Fuel pressure sensor (1 cable). S Oil temperature sensor. S Fuel flow sensor. S RPM sensor. S The SlickSTART booster control unit or LASAR control unit. S The voltage regulator. Install the P-clamps and cable ties in the correct positions.  At the in-line connector. At the in-line connector. 
　
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