737-300 400 500 AMM 飞机维护手册 ENGINE 发动机 2(38)

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 2)  Stir the mixture manually or mechanically until it is fully mixed.
 (d)  Alternative Procedure Available - Apply the primer MB (CP2340)_______________________________ as follows: 1) Remove grease from the area to be repaired. 2) Use a clean lint-free cloth or clean paint brush to apply
 the primer MB (CP2340) on the degreased area of the fan
 case.
 NOTE: Too much primer will reduce adherence.
____
 3)  Allow to dry at ambient temperature for 45 minutes.
 NOTE: Do not touch the primer after it is applied.
____
 (e)  Alternative Procedure - Apply primer SS 4155 (CP2215) as_____________________ follows: 1) Remove grease from the area to be repaired. 2) Use a clean lint-free cloth or clean paint brush to apply
 the primer SS 4155 (CP 22150) on the degreased area of the
 fan case.
 NOTE: Too much primer will reduce adherence.
____
 3)  Allow to dry at ambient temperature for 45 minutes.
 NOTE: Do not touch the primer after it is applied.
____
 (f) Prepare the abradable liner patch as follows: 1) Punch hole, diameter 1.968 in. (50 mm) maximum dimension, on the new abradable liner at the equivalent size of the defect.
 2)  Lightly sand the underside and the edges of the patch with abrasive cloth CP2239. 3) Punch one hole with a diameter 0.118 in. (3 mm) at the center of the patch (vent hole).
 NOTE: Punch out a hole and collect the abradable piece.
____ This piece will be used as a cap after the final application of the patch.
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WARNING:_______ DO NOT USE THIS SOLVENT NEAR FLAMES OR HEAT, BECAUSE THIS SOLVENT IS FLAMMABLE. DO NOT LET IT TOUCH YOU
 SKIN OR CLOTHING AND MAKE SURE YOU HAVE A GOOD FLOW
 OF AIR, BEACAUSE THIS SOLVENT IS DANGEROUS TO YOUR SKIN, EYES AND LUNGS.
 (g)  4) Remove grease with the solvent CP1040. 5) Apply bonding compound on the case, on the underside and edges of the patch.Bond the patch. 1) Press strongly all around the little hole to remove unwanted compound and any air below the patch. 2) After the final application, plug the central hole with the cap. 3) Remove mixture from the part surface with a white cloth before polymerization. 4) Hold the patch in place with tape CP2306.
 S 348-095-C00
 (4)  Do the polymerization as follows: (a) With an infrared lamp, heating panels or a heat gun, heat the patch for 2 hours 15 minutes at 158°F (70°C) or 1 hour at 212°F (100°C) to cure the bonding compound.
 S 218-096-C00
 (5)  Do a last check of the abradable liner. (a) When you do the visual check, examine all joints and patch areas to make sure there are no defects as porosity or trapped air bubbles.
 (b)  If you see defects, you must do the repair again.
 S 348-097-C00
 (6)  Hand finish the abradable liner. (a) Hand finish the reconditioned area to put it back to the contour and dimensions of the adjacent areas. (b) Sand lightly with an abrasive cloth CP2239.
 S 148-098-C00
 (7)  Remove the abradable material dust and hand sanding residues from the repair area with a vacuum cleaner.
 S 418-099-C00
 (8)  Install the fan blades (AMM 72-31-02/401).
 S 418-107-C00
 (9)  Install the spinner (AMM 72-31-01/401).

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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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 ////////////////////////
S 948-100-C00
 (10) Remove the mats from the lower half of the inlet cowl.
 (a)  Make sure you remove all tools or materials from the inlet cowl.
 S 868-101-C00
 (11) Remove the DO-NOT-CLOSE tag and close the applicable circuit breaker.
 (a)  P6 Load Control Center
　
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