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% Maintenance Practices % 1. General
% The maintenance practices for the engine mount are limited to removal/installation. If the engine % mount is damaged it must be repaired by an authorized repair facility.
% 2. Remove/Install the Engine Mount
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% A. Equipment %
Item Quantity Part Number
Hoist. 1 Commercial.
Engine sling. 1 Commercial.
Engine stand. 1 Commercial.
Tail trestle. 1 Commercial.
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% B. Remove the Engine Mount. % %
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Detail Steps/Work Items Key Items/References
(1) Remove the engine. Refer to Section 71-01.
(2) Release all clamps, clips and ties holding the electrical harness and hoses to the engine mount.
(3) Remove the oil radiator: S Disconnect the oil hoses at the oil radiator. S Remove the bolts, nuts and washers holding the oil radiator to the engine mount. S Move the oil radiator clear of the engine mount.
(4) Remove the fuel filter housing: S Disconnect the fuel lines on the rear side of the fuel filter housing. S Remove the worm-drive clamps on the fuel filter housing. S Move the filter housing clear of the engine mount. Put caps on the open ends of the hoses.
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DA 40 Series
Detail Steps/Work Items Key Items/References
(5) Remove the air filter housing: S Disconnect the worm-drive clamp on the air filter and remove the air filter. S Remove the bolts, nuts and washers holding the alternate air valve to the filter housing. S Remove the bolts, nuts and washers holding the filter housing to the engine mount. S Move the filter housing clear of the engine mount. Hold filter and worm-drive clamp.
(6) Remove the oil separator: S Remove the bolts, nuts and washers holding the oil separator to the engine mount. S Move the oil separator clear of the engine mount together with the oil hoses.
(7) Remove the instrument panel cover. To get access to the upper bolt of the engine mount. Refer to Section 25-10.
(8) Remove the 5 nuts and washers which hold the engine mount to the fuselage. Push the bolts out of the mounting pads.
(9) Move the engine mount clear of the airplane.
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% C. Install the Engine Mount %
Detail Steps/Work Items Key Items/References
(1) Move the engine mount into position on the firewall.
(2) Install the 4 bolts which attach the engine mount to the corners of the firewall: S Push the bolts through the firewall and mounting pads. S Install the washers and self-locking nuts on the bolts. Do not install the center mounting bolt. Use new bolts. Use new fire resistant self-locking nuts. Torque: 40 Nm (29.5 ft.lb).
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本文链接地址：钻石40飞机维护手册 DA 40 SERIES AMM 5(33)
