(a)  
Make sure the flange sealing surfaces and seals are free of
 scratches, cuts, pits, creases, and unwanted material.

 (b)  
Put the seals between the flanges.

 NOTE: The Seals are made out-of-round to snap-fit into the
____
 male flanges.

 (c)  
Install the TAI duct and, without the use of force, align the flanges with a maximum clearance of 0.03 inch (0.76 mm) at all points.

 (d)  
If the clearance is more than 0.03 inches (0.76 mm) or the
 installation of the duct is not easy, do these steps:
 1) Remove the bolts, washers and nuts that attach the TAI

 valve/duct mounting flange to the engine flange brackets.
 2)  Add or remove the washers between mounting flange and brackets, to decrease the clearance or to permit the installation of the duct.
 3)  Install the bolt, washer, and nut at each attach point.
 (e)  
Install the coupling around the flanges.

 1)  Tighten the coupling to 70-85 pound-inches (7.9-9.6 newton meters).

 (f)  
Connect the pressure switch sensing line to the TAI duct.

 (g)  
Connect the electrical connector to the temperature switch.

 S 094-026-C00
 (12)
 Remove the sling straps from the inlet cowl.

 (13)
 Remove the fishpole hoist and inlet cowl sling.

 S 094-027-C00
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 71-11-01
 ALL  ú ú C01 Page 417 ú Mar 15/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
S 094-028-C00
 (14)
 Disassemble the "A" frame from the tube assembly.

 S 094-029-C00

 (15)
 Remove the tube assembly from the boom.

 S 094-030-C00

 (16)
 Remove the boom from the engine strut attach fittings, and remove the engine strut attach fittings from the forward strut mount fittings.

 NOTE: If the fan cowl sling is to be used for the fan cowl panel
____
 installation, do not do this step.

 S 434-031-C00
 (17)
 Install the T2 temperature sensor on the inlet cowl as follows (Fig. 402):

 (a)  
Remove the T2 sensor from the engine mounted support bracket.

 (b)  
Install the sensor in the inlet cowl recess and attach it with the bolts (4 locations).

 (c)  
Attach the clamps to the inlet cowl bracket and engine flange bracket.

 S 434-032-C00
 (18)
 Install the T12 temperature sensor on the inlet cowl as follows (Fig. 401):

 (a)  
Remove the T12 sensor from the engine mounted support bracket.

 (b)  
Align the flange on the sensor and install the sensor in the
 inlet cowl recess.

 (c)  
Attach the sensor with the bolts, washers, and dampers (4
 locations each).

 (d)  
Attach the clamp to the inlet cowl bracket.

 S 624-033-C00
 (19)
 Fill space between the temperature sensors and the inlet cowl with sealant.

 (a)  
Cut the sealant smooth with the surface.

 (b)  
Let the sealant cure for 4 hours.

 NOTE: Four hour cure time is based on standard conditions of
____ 77 |2°F (25 |1°C) and 50 |5% relative humidity. Cure time will change at other conditions.
 S 424-034-C00
 (20)
 Install the fan cowl panels (AMM 71-11-02/401).

 (21)
 Install the forward fairing (AMM 54-32-01/401).

 S 424-035-C00
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 71-11-01
 ALL  ú ú C01 Page 418 ú Mar 15/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
　
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