YES
2 SHUT DOWN THE ENGINE.
DISCONNECT THE PMC POWER LEVER POSITION AND SPEED TRIMCONNECTOR (BLUE PMC CABLE) FROM THE MEC.
START THE ENGINE. DO THE FLUCTUATIONS DECREASE TO A NORMAL LEVEL?
NO YES
3 SHUT DOWN THE ENGINE.
RECONNECT THE PMC POWER LEVER POSITION AND SPEED TRIMCONNECTOR (BLUE PMC CABLE) TO THE MEC.
DO A CHECK OF THE PS12 TUBE/MANIFOLD (FIM 71-00-59/101, FIG. 106).
NO
DID YOU FIND LEAKS OR
SEE SHEET 2
DAMAGE?
(BLOCK 4)
N1 and N2 RPM Not Stable
Figure 113 (Sheet 1)
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FROM SHEET 1 (BLOCK 3)
NO
YES
4
DO THE PS12 TUBE/MANIFOLD
CHECK (AMM 71-00-59/101,
FIG. 106).
DID YOU FIND LEAKS ORDAMAGE?
NO
YES
5 EXAMINE THE VSV ACTUATION
SYSTEM FOR DAMAGE
(AMM 72-35-00/601) FOR DAMAGE.
IS THE DAMAGE FOUND MORE THAN THE LIMITS?
NO
YES
6 EXAMINE THE VBV SYSTEM FOR
DAMAGE.
IS THE DAMAGE FOUND MORE
THAN THE LIMITS?
NO
NO
7 DO THE VSV FEEDBACK CABLE
TRAVEL AND PULL (RESISTANCE)
CHECKS (AMM 75-31-02/501).
ARE THE CHECKS CORRECT?
YES
NO
8 DO THE VSV FEEDBACK CABLE
STATIC RIGGING CHECK
(AMM 75-31-02/501).
IS THE RIG CHECK CORRECT?
YES
NO
9 DO THE VBV FEEDBACK CABLE
TRAVEL AND PULL (RESISTANCE)
CHECK (AMM 75-32-05/501).
ARE THE CHECKS CORRECT?
YES
NO
10 DO THE VBV FEEDBACK CABLE STATIC RIGGING CHECK
(AMM 75-32-05/501).
IS THE RIG CHECK CORRECT?
YES
SEE SHEET 3 (BLOCK 11)
51 REPAIR OR REPLACE THE VSV FEEDBACK CABLE (AMM 75-31-02/401) AS NECESSARY.
N1 and N2 RPM Not Stable
Figure 113 (Sheet 2)
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
FROM SHEET 2
(BLOCK 10)
YES
NO
11 EXAMINE THE P6 AND PCR
55 CORRECT THE INSTALLATION LINES AT THE 9 O'CLOCK TUBE OF THE P6 AND PCR LINES AT
BUNDLE OF THE MEC. THE MEC (AMM 73-21-01/401).
IS THE INSTALLATION OF THE P6 AND PCR LINES CORRECT?
YES NO
12 DO THE T2/CIT SENSOR TEST
56 REPLACE THE T2 SENSOR
(AMM 71-00-00/501, TEST 11). (AMM 73-21-09/401), OR CIT
ARE THE SENSORS SENSOR (AMM 73-21-02/401). SERVICEABLE?
YES YES
13 EXAMINE THE FUEL FILTER
(AMM 73-11-02/601).
DID YOU FIND AN UNUSUAL AMOUNT OF METALLIC MATERIAL?
MOTOR (AMM 75-32-01/401).
IF THE PROBLEM CONTINUES, REPLACE THE MEC (AMM 73-21-01/401).
N1 and N2 RPM Not Stable
Figure 113 (Sheet 3)
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A11414
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CFM56 ENGINES
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FIGURE 114 NOT USED
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú 中國航空網(wǎng) m.k6050.com 航空翻譯 www.aviation.cn 本文鏈接地址：737-300 400 500 AMM 飛機(jī)維護(hù)手冊 動(dòng)力裝置 POWER PLANT 2(15)
