737-300 400 500 AMM 飞机维护手册 空气 AIR(112)

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737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
2)  Attach the clamp to the clamp for the VSV feedback cable with a bolt and nut.
 NOTE: Lightly lubricate the bolt threads with grease.
____
 3)  Tighten the bolt by hand.
 (b)  Install a clamp at the 7 o'clock position on the fan frame mid-shroud. 1) Install a clamp bushing and the inner and outer spring clip
 on the cable. 2) Lightly lubricate the bolt threads with grease. 3) Attach a clamp to the bracket for the fan frame mid-shroud
 with a bolt and a nut.
 4) Tighten the bolt by hand.

 S 434-040-C00
 (20) If the feedback cable was replaced, install a clevis end on the replacement cable as follows:
 (a)  
Turn a jamnut and clevis end on the cable end.

 (b)  
Do a check that the thread is sufficiently engaged.

 NOTE: Make sure a 0.032 inch (0.80 mm) diameter lockwire does
____
 not go through the witness hole.

 (c)  Tighten the jamnut against the clevis end to 60-70 pound-inches (6.8-7.9 Newton meters).
 S 434-041-C00
 (21) If the feedback cable was replaced, install a rod end bearing on the replacement cable as follows:
 (a)  
Turn a jamnut and rod end bearing on the cable end.

 (b)  
Do a check that the thread is sufficiently engaged.

 NOTE: Make sure a 0.032 inch (0.80 mm) diameter lockwire does
____
 not go through the witness hole.

 (c)  Tighten the jamnut against the rod end bearing to
 20-25 pound-inches (2.3-2.8 Newton meters).

 S 214-042-C00
 (22) Do a check of the cable routing.
 (a)  
Make sure the cable is stain free.

 (b)  
Make sure that bends in the cable are not less than 6.0 inch (152 mm) radius.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 75-32-05
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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 ////////////////////////
(c)  
Do a check for a minimum clearance of 0.2 inch (5.0 mm) between the VBV feedback cable and the VSV feedback cable.

 (d)  
Do a check for a minimum clearance of 0.2 inch (5.0 mm) between the cable and engine parts.

 S 434-043-C00
 CAUTION:_______USE TWO WRENCHES WHEN YOU TIGHTEN THE NOSE CAP. THIS IS TO PREVENT A TWISTED CABLE. USE ONE WRENCH ON THE CONDUIT CAP AND ONE ON THE NOSE CAP.
 (23) Tighten the nose cap on the stop mechanism side and the MEC side to 180-200 pound-inches (20.3-22.6 Newton meters).
 (a)  Install a lockwire.
 S 434-044-C00
 (24) Tighten the clamp bolts at the positions that follow to 100-110 pound-inches (11.3-12.4 Newton meters):
 (a)  
The 6 o'clock strut bracket.

 (b)  
The 6:30 o'clock rear flange bracket.

 (c)  
The 7 o'clock rear flange bracket.

 S 434-045-C00
 (25) Tighten the clamp bolt that attaches the VBV feedback cable to the VSV feedback cable to 100-110 pound-inches (11.3-12.4 Newton meters).
 NOTE: The bolt is found at the 6:30 o'clock position on the fan
____
 fram mid-shroud.

 S 434-046-C00
 (26)
 Tighten the clamp bolt at the 7 o'clock bracket of the fan frame mid-shroud to 50-55 pound-inches (5.7-6.2 Newton meters).

 S 214-047-C00

 (27)
 ENGINES PRE-CFMI-SB 72-580; Do a check of the feedback rod rigging (Fig. 402).

 S 864-048-C00

 (28)
 Manually operate the VBV system to the closed position (AMM 75-32-00/201).

 (29)
 Remove the 9 o'clock fan duct panel (AMM 72-33-03/401).

 S 034-049-C00
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 75-32-05
 ALL  ú ú C01 Page 411 ú Jul 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
　
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