S 648-036
 (3)  
Apply a thin layer of hydraulic fluid to the inner cylinder.

 (4)  
Do the servicing for the shock strut (Ref 12-15-41/301).

 S 588-038

 (5)  
Lower the nose of the airplane and do an inspection of the gland nut for leaks.

 S 618-037
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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A
737-300/400/500MAINTENANCE MANUAL
 S 098-039
 (6)  
Remove the jacks.

 S 938-040

 (7)  
Put a tag on the shock strut which reads "spare static seal used".

 TASK 32-21-11-908-007
 3.  Replacement of the Active and Spare Shock Strut Seals_____________________________________________________
 A. General
 (1)  
This task gives you instructions to replace the active seals and the spare seals for the shock strut.

 B.
Special Tools and Equipment

 (1)  
F80013-1 - Pin Spanner Adapter Assembly

 (2)  
C32002-1 - Ring Compressor

 (3)  
C32018-1 - Seals Protection Guide Equipment

 C.
Standard Tools and Equipment

 (1)  
Tool - Plastic (for the removal of O-ring type seals)

 (2)  
Metal Strip - Thin (for backup when you cut the seals)

 (3)  
Pan - Drip

 (4)  
Wrench - Torque; 1/2" drive, calibrated in lb-ft

 (5)  
Gun - Semco, sealant

 (6)  
Bottle - Propylethylene, squirt (for the alcohol-distilled water solution)

 (7)  
Spatula - Wooden or plastic (for the removal and application of sealant)

 (8)  
Wooden Blocks - two of the same dimension (for the installation of the lower bearing into the outer cylinder)

 (9)  
Brush - Small (for the application of primer)

 (10)
 Cloth - Pieces of new or cleaned, white; with less than 0.75% oil (carbon tetrachloride extraction) and free from silicone

 (11)
 Pads - Cloth (for the protection of the shock strut when you remove the gland nut)

 (12)
 Wrench - Crow's Foot

 (13)
 Wood Strip - Hard; 1 x 3 x 19-1/8 inches

 D.
Consumable Materials

 (1)  
D00070 Oil - Hydraulic, MIL-H-5606

 (2)  
G00669 Nitrogen - Gaseous, MIL-P-27401, 1800 psi (for servicing the shock strut of the nose gear)

 (3)  
D00250 Grease - Petroleum Jelly, VV-P-236

 (4)  
B00589 Solvent - Toluene, cleaning, TT-T-528

 (5)  
C00048 Primer - Dow Corning, RTV 1200

 (6)  
B00130 Solvent - Isopropyl Alcohol, TT-I-735 (15% to 20% solution)

 (7)  
A00303 Adhesive - GE, RTV-174

 (8)  
C00308 Compound - Corrosion Preventive, MIL-C-11796, Class 3

 (9)  
D00014 Grease - Molybdenum Disulphide, MIL-G-21164

 E.
References

 (1)  
07-11-21/201, Jack Airplane Nose

 (2)  
12-15-41/301, Nose Landing Gear Shock Strut

 (3)  
32-00-01/201, Ground Lock Assemblies

 (4)  
32-22-11/401, Nose Gear Wheel Well Doors

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 32-21-11
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 F. Access
 (1)  
Location Zone
 204 Nose Landing Gear

 G.
Prepare for the Replacement.

 S 498-041
 (1)
Install the ground locks on all landing gear (Ref 32-00-01/201).

 S 588-042

 (2)  
Lift the nose of the airplane until the shock strut extends
 approximately ten inches (07-11-21/201).

 S 688-056
　
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