Correction Weights and their Location
Figure 507 (Sheet 1)
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
CALCULATED LOCATION TO PUT THE CALCULATED LOCATION TO PUT THE
PHASE ANGLE (A) CORRECTION WEIGHTS PHASE ANGLE (A) CORRECTION WEIGHTS
183-187 19-20 273-277 10
188-191 19 278-281 9-10
192-196 18-19 282-286 9
197-201 18 287-291 8-9
202-206 17-18 292-296 8
207-210 17 297-300 7-8
211-215 16-17 301-305 7
216-220 16 306-310 6-7
221-225 15-16 311-315 6
226-229 15 316-319 5-6
230-234 14-15 320-324 5
235-239 14 325-329 4-5
240-243 13-14 330-333 4
244-248 13 334-338 3-4
249-253 12-13 339-343 3
254-258 12 344-348 2-3
259-262 11-12 349-352 2
263-267 11 352-357 1-2
268-272 10-11 358-2 1
YHMM-C72-31C-0979-02
S-M56-MM-0979-(1)-02-B
Correction Weights and their Location
Figure 507 (Sheet 2)
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
THE CENTER OF MASS OF THE BALANCE WEIGHT IS ON ONE SCREW
Balance Weights With the Center of Mass On One Screw
Figure 508
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
THE CENTER OF MASS OF THE BALANCE WEIGHTS IS BETWEEN
S-M56-MM-0984-03B
Balance Weights With the Center of Mass Between Two Screws
Figure 509 (Sheet 1)
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ú C03 Page 545
ú Jul 12/00
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
THE CENTER OF MASS OF THE BALANCE WEIGHTS IS BETWEEN TWO SCREWS
Balance Weights With the Center of Mass Between Two Screws
Figure 509 (Sheet 2)
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
MACHINED MARK/INDEX FOR THE NO. 1 FAN BLADE
280
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