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TB20 MAINTENANCE MANUAL 78 排气 TB20飞机维护手册(4)

时间:2011-11-15 10:18来源:蓝天飞行翻译 作者:航空
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8) Position the assembly on the engine with new gaskets (9) ; correctly position mounting flanges (10) in order to avoid stress installation. Attach with new nuts (15). Torque - refer to 20-00-01.
9) Be sure of pipes (4) and (7) and mounting flanges (10) alignment on both sides of clamps (13). Without muffler
10) Install the lower engine cowling. Make sure that the exhaust outlet tube, inside the engine cowling, is correctly centered. The minimum gap between the exhaust outlet tube and the engine cowling must be equal to 0.39 in (10 mm).
11) Remove the lower engine cowling. All
CAUTION : ENSURE A CORRECT TIGHTENING IN ORDER TO HINDER THE ELEMENT RELATIVE ROTATION. AN EXCESSIVE TIGHTENING WILL CAUSE THE CLAMP EARS DISTORTION. THIS IS UNACCEPTABLE WHEN THE EAR ENDS ARE IN CONTACT.
12) Complete clamps (13) tightening.
With muffler
13) Attach the clamp linking the exhaust outlet tube to the connection elbow - refer to 78-20-00. All
14) If removed, install the exhaust temperature probe.
15) Engage hot air hose (1) on exchanger (2) side.
16) Make sure all the tools and materials are removed and the work area is clean and free from debris.
17) Install the engine cowlings - refer to 71-10-01.
ABAD
Validity : S / N 1620 - 9999
S / N 1 - 1619 Post-SB 10-072-78 78-00-00Page 402
(EA) SEP 04
 
18) Perform a test run-up - refer to 05-30-02.
CAUTION : THE TIGHTENING CHECK OF THE CLAMPS AND MOUNTING FLANGE NUTS MUST BE PERFORMED WHEN THE ENGINE IS COLD.
19) After performing the test run-up, make sure that :
- nuts (15) are correctly tightened,
- clamps (13) are correctly tightened,
- there is no leak and heating.
20) Make sure all the tools and materials are removed and the work area is clean and free from debris.
21) Install the engine cowlings - refer to 71-10-01.
Without muffler
22) Check that the exhaust outlet tube is practically centered and that there is no risk of heating the cowling. If not, check the whole assembly ; if the defect persists, contact the manufacturer.
Check that the L.H. front pipe (4) is not likely to heat the cowling.
ABAD
Validity : S / N 1620 - 9999
S / N 1 - 1619 Post-SB 10-072-78 78-00 Page
(EA)00 (EA)
 
1 - Hot air hose
2 - Exchanger
3 - L.H. central manifold
4 - L.H. front pipe
6 - Exhaust pipe
7 - R.H. front pipe
8 - R.H. central manifold
9 - Gasket
10 - Mounting flange
11 - Nut
12 - Spacer
13 - Clamp
14 - Bolt
15 - Nut
 

 
14 13
Exhaust - Removal / Installation
Figure 401
ABAD
Validity : S / N 1620 - 9999
S / N 1 - 1619 Post-SB 10-072-78 78 00-00Page 404
(EA) SEP 04
 
 
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