737-300 400 500 AMM 飞机维护手册 ENGINE 发动机 1(91)

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 The torque value for the balancing screws is 70-75 pound-inches (8.0-8.5 Newton meters).
 3)  Remove the protective mats and all other remaining unwanted material from the inlet cowl.
 (f) Operate the engine as follows:
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////

S-M56-MM-02146-02-B CFM56-3 TRIM BALANCE ANALYZER PROCEDURE - WORKSHEET

SENSITIVITY VALUE WITH THE ENGINE SOFT MOUNTING (LORD) PHASE LAG WITH THE SPECTRAL DYNAMIC ANALYZER
CONFIGURATION ONE

One Shot Initial Engine Run Worksheet
Figure 504 (Sheet 1)

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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////

S-M56-MM-00560-00-B CFM56-3 TRIM BALANCE ANALYZER PROCEDURE - WORKSHEET
SENSITIVITY VALUE WITH THE ENGINE SOFT MOUNTS (LORD)

CONFIGURATION TWO

One Shot Initial Engine Run Worksheet
Figure 504 (Sheet 2)

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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
MACHINED MARK/INDEX FOR THE NO. 1 FAN BLADE
280
80
270

90
260
100
S-M56-MM-0993-(1)-02-B
Polar Graph for the Trim Balance
Figure 505

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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////

S-M56-MM-1933-(1)-00-B
One Shot Initial Engine Run - Maximum Result Worksheet
Figure 506

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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 
3-7 38-1  93-97  29
 8-11  38  98-101  28-29 
12-16 37-38  102-106  28
 17-21  37 107-111  27-28 
22-26 36-37  112-116  27
 27-30  36 117-120  26-27 
31-35 35-36  121-125  26
 36-40  35 126-130  25-26 
41-45 34-35  131-135  25
 46-49  34 136-139  24-25 
50-54 33-34  140-144  24
 55-59  33 145-149  23-24 
60-63 32-33  150-153  23
 64-68  32 154-158  22-23 
69-73 31-32  159-163  22
 74-78  31 164-168  21-22 
79-82 30-31  169-172  21
 83-87  30  173-177 20-21 
　
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