航空 发表于 2011-4-24 12:18:13

Fan blade replacement by pairs

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航空 发表于 2011-4-24 12:18:29

Fan blade replacement by pairs<BR>2<BR>14<BR>MW = 208400 cm.g<BR>MW = 208230 cm.g<BR>Blades to be<BR>removed<BR>1<BR>MW = 208120 cm.g<BR>MW = 207920 cm.g<BR>13<BR>15<BR>3<BR>MW = 208620 cm.g<BR>MW = 208500 cm.g<BR>120 cm.g<BR>200 cm.g<BR>170 cm.g<BR>2<BR>14<BR>MW = 208500 cm.g<BR>MW = 208480 cm.g<BR>Blades to be<BR>installed<BR>20 cm.g<BR>20 cm.g<BR>10 cm.g<BR>1<BR>13<BR>MW = 207120 cm.g<BR>MW = 207110 cm.g<BR>3<BR>15<BR>MW = 208650 cm.g<BR>MW = 208630 cm.g<BR>1 36 35<BR>34<BR>33<BR>2<BR>3<BR>4<BR>5<BR>6<BR>7<BR>8<BR>9<BR>10<BR>11<BR>12<BR>13<BR>14<BR>15<BR>16<BR>17<BR>18 19 20<BR>21<BR>22<BR>23<BR>24<BR>25<BR>26<BR>27<BR>28<BR>29<BR>30<BR>31<BR>32<BR>360 10 20<BR>30<BR>40<BR>350<BR>340<BR>330<BR>320<BR>310<BR>300<BR>290<BR>280<BR>270<BR>260<BR>250<BR>240<BR>230<BR>220<BR>210<BR>200<BR>190 180 170<BR>160<BR>150<BR>140<BR>130<BR>120<BR>110<BR>100<BR>90<BR>80<BR>70<BR>60<BR>50<BR>2 1<BR>3<BR>4<BR>7<BR>5<BR>6<BR>10<BR>9<BR>8<BR>12<BR>11<BR>14<BR>13<BR>16<BR>15<BR>18<BR>17<BR>20<BR>19<BR>22<BR>21<BR>23<BR>24<BR>200 cm.g<BR>170 cm.g<BR>120 cm.g<BR>190 cm.g<BR>150 cm.g<BR>100 cm.g<BR>10 cm.g<BR>20 cm.g<BR>20 cm.g<BR>Resultant<BR>Vector<BR>calculation<BR>190 cm.g<BR>150 cm.g<BR>100 cm.g<BR>360 10 20<BR>30<BR>40<BR>350<BR>340<BR>330<BR>320<BR>220<BR>210<BR>200<BR>190 180 170<BR>160<BR>150<BR>140<BR>130<BR>120<BR>110<BR>100<BR>90<BR>80<BR>70<BR>60<BR>50<BR>2 1<BR>3<BR>12<BR>11<BR>13 14<BR>16<BR>15<BR>18<BR>17<BR>20<BR>19<BR>22<BR>21<BR>23<BR>24<BR>190 cm.g<BR>100 cm.g<BR>150 cm.g<BR>Resultant<BR>Vector<BR>calculation<BR>FR = 240 cm.g<BR>Change &lt; or = 3 pairs ?<BR>Resultant &lt; 200 cm.g ?<BR>Change &lt; or<BR>= 3 pairs<BR>Fan blade change<BR>in pairs<BR>Residual MW<BR>&lt; 200 Cm.g<BR>Yes<BR>Resultant&gt;<BR>600 cm.g<BR>Fan Blade pair<BR>installation<BR>Yes<BR>Mapping procedure<BR>856A3770<BR>“Blamap”<BR>No<BR>No See change more<BR>than 3 pairs<BR>See page 4<BR>Do Static<BR>correction<BR>Yes<BR>Result &lt; 600 cm;g<BR>No<BR>Fan blade change<BR>in pairs<BR>Change &gt; 3<BR>See previous page No pairs<BR>Residual MW<BR>&lt; 600 cm.g<BR>Yes<BR>Mapping procedure<BR>856A3770<BR>“Blamap”<BR>No : &gt; 600<BR>Fan Blade pair<BR>installation<BR>Resultant Yes : &lt; 600<BR>&gt; 600 cm.g<BR>No<BR>Yes Result &lt; 600 cm.g<BR>Do Static<BR>correction<BR>See page 4<BR>Fan Blade pair installation<BR>Vibration during<BR>vib survey ?<BR>(customer<BR>convenience)<BR>Do a trim balance procedure<BR>Yes<BR>Return engine to service<BR>No

kinran 发表于 2011-6-4 22:55:40

:victory: :victory:

bocome 发表于 2011-7-31 05:15:55

Fan blade replacement by pairs
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