A320飞机维护手册 AMM STANDARD PRACTICES - ENGINES(24)

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_______ MATERIAL WHICH MAY CAUSE INJURY OR ILLNESS IF NOT PROPERLY USED. THIS PRODUCT SHOULD BE USED ONLY IN ACCORDANCE WITH THE MANUFACTURER'S SPECIFIC SAFETY AND HEALTH RECOMMENDATIONS. PRIOR TO USE OF THIS PRODUCT, CAREFULLY READ THE APPLICABLE "MATERIAL SAFETY DATA SHEET" AND FOLLOW ALL LISTED SAFETY AND HEALTH PRECAUTIONS.
 (1) Clean touching surfaces CAUTION : DO NOT USE CHLORINATED SOLVENTS ON TITANIUM PARTS.
_______
 (a) Clean mating surfaces with a clean cloth and ethyl acetate, and make dry immediately with clean, dry cloth.
 (2) Apply one coat of primer to the mating surfaces of the bracket and the structural surface, and install.
 (3) Apply wet coat of primer to bolts before installation.
 Subtask 70-60-00-911-055

 E. Lockwire
 (1) Use double-twist lockwire procedure in accordance with the operator's standard practices.
 Subtask 70-60-00-869-055
 F. Engine Flange Identification
 (Ref. Fig. 201/TASK 70-60-00-991-300)

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 Engine Flanges
 Figure 201/TASK 70-60-00-991-300

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 Subtask 70-60-00-869-056

 G. Engine Flange Hole Identification
 (1) This manual contains numerous equipment items and brackets that are installed on engine flanges at numbered bolt holes. (Ref. Fig. 202/TASK 70-60-00-991-301)

 (2) Some fan case flanges have "absent" bolt holes. The distance from one bolt hole to another bolt hole will be double the average bolt hole distance. The absent hole must be counted as if it were an actual hole.

 (3) Some flanges have two holes at the same location. The hole number is the same for each of these holes. (Ref. Fig. 203/TASK 70-60-00-991-302)

 (4) To find the location of a hole used in an installation procedure, do the following:

 (a) Count down from the first hole on the flange to the right or left of the top centerline of the engine.

 (b) Count the equally spaced holes until the correct hole is reached.

 

 Subtask 70-60-00-911-053
 H. Torque Value Tables
 (1) Torque values for hydraulic, non positional tube fittings (unions, reducers), positionable tube fittings, and AN924 jam nuts.
 ---------------------------------------------------------------------------OUTSIDE NONPOSITIONAL POSITIONAL FITTINGS NOMINAL DIAMETER FITTINGS AND JAMNUTS SIZE INCHES lbf.in m.daN lbf.in m.daN ---------------------------------------------------------------------------
-2 1/8 75-80 0.85-0.90
 -3 3/16 90-95 1.00-1.07
 -4 1/4 125-135 1.41-1.53 110-120 1.24-1.36
 -5 5/16 175-185 1.98-2.09 150-160 1.70-1.81
 -6 3/8 300-315 3.39-3.56 200-210 2.26-2.37
 -8 1/2 600-625 6.78-7.06 312-320 3.53-3.62
 - 10 5/8 700-730 7.91-8.25 600-625 6.78-7.06

 - 12 3/4 900-940 10.17-10.62 900-940 10.17-10.62

 - 16 1.0 1000-1050 11.30-11.87 1000-1050 11.30-11.87

 - 20 1-1/4 1000-1050 10.30-11.87 1000-1050 11.30-11.87

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 Engine Flange Hole Location
 Figure 202/TASK 70-60-00-991-301

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 Engine Flange Hole Location
 Figure 203/TASK 70-60-00-991-302

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 ---------------------------------------------------------------------------OUTSIDE NONPOSITIONAL POSITIONAL FITTINGS NOMINAL DIAMETER FITTINGS AND JAMNUTS SIZE INCHES lbf.in m.daN lbf.in m.daN ---------------------------------------------------------------------------
- 24 1-1/2 1000-1050 11.30-11.87 1000-1050 11.30-11.87

 - 28 1-3/4 1000-1050 11.30-11.87 1000-1050 11.30-11.87

 - 32 2 1000-1050 11.30-11.87 1000-1050 11.30-11.87

 (2) Torque values for non hydraulic, non positional tube fittings (unions, reducers), positionable tube fittings, and AN924 jam nuts.
 ---------------------------------------------------------------------------OUTSIDE NOMINAL DIAMETER SIZE INCHES lbf.in m.daN ---------------------------------------------------------------------------
-2 1/8 75-80 0.86-0.90
 -3 3/16 90-95 1.00-1.07
　
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