(a)
Remove the equipments and clear the lower area of the airplane.

 S 034-137
 WARNING:_______ MAKE SURE YOU DEFLATE THE SHOCK STRUT FULLY BEFORE YOU LOOSEN
 THE VALVE BODY.  THE AIR PRESSURE CAN BLOW THE VALVE BODY OUT
 WHICH CAN CAUSE INJURY TO PERSONS.
 MAKE SURE THAT NO PERSONS OR EQUIPMENT BELOW THE AIRPLANE
 BEFORE YOU DEFLATE THE SHOCK STRUT.  INJURY TO PERSONS OR
 DAMAGE TO THE AIRPLANE CAN OCCUR.

 (23)
 Remove the dust cap from the air valve at the top of the shock strut.

 S 034-024

 (24)
 Slowly loosen the nut to one or two turns until you can install the oleo lock assembly on the torsion links.

 NOTE: The fluid in shock strut will start to bubble immediately as
____ you reduce the pressure to ambient. Deflate the shock strut slowly to prevent the fluid leakage through the air valve.
 S 494-092
 (25)
 Install the oleo lock assembly for the nose landing gear to keep the shock strut compressed.

 S 584-026

 (26)
 Lift the nose of the airplane with the jacks until the tires will clear from the ground (AMM 07-11-21/201).

 NOTE: You can lower the jack that supports the tail of the airplane
____ while you lift the nose landing gear.
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737-300/400/500MAINTENANCE MANUAL
 S 024-069
 (27)
 Disconnect the lower link (8) of the drag brace from the fitting (5) of the shock strut at the bottom of the drag brace assembly.

 (a)  
Let the drag brace to hang.

 S 034-028
 (28)
 Remove the lockwires and the spring pins (14) which keep the trunnion pin lockpins (15) on each side of each trunnion pin.

 S 034-029

 (29)
 Remove the trunnion pin lockpin from each side of each trunnion pin.

 S 584-030

 (30)
 If it is necessary, lift the gear with an axle jack to remove the weight of the gear when you remove the trunnion pin (AMM 07-11-21/201).

 S 034-031

 (31)
 Hold the nose landing gear and remove the trunnion pins with the trunnion pin puller.

 S 584-032

 (32)
 Lower the axle jack.

 S 024-127

 (33)
 Remove the nose landing gear from the airplane.

 (a)  
If it is necessary, use a sling to lift the nose landing gear for transport (Fig. 402).

 (34)
 Remove the oleo lock assembly from the nose landing gear.

 S 094-091
 TASK 32-21-00-404-071
 3.  Nose Landing Gear Installation (Fig. 401)______________________________
 A. Special Tools and Equipment
 (1)  Lock Assembly, Nose Landing Gear Oleo - F70263-1. Use to lock the shock strut in the compressed position.
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737-300/400/500MAINTENANCE MANUAL
 (2)
Spanner Wrench - F72959-40 (AN8514-7 or F72959-4, Optional)

 B.
Standard Tools and Equipment

 (1)
Axle Jack

 C.
Consumable Materials

 (1)
G01395 Compound - Corrosion Inhibiting, BMS 3-27, Mastinox 6856K

 (2)
D00633 Grease - BMS 3-33

 (3)
D00013 Grease - MIL-PRF-23827

 (4)
Naphtha - P-D-680 solvent (AMM 20-30-31/201)

 D.
References

 (1)
AMM 07-11-21/201, Jack Airplane

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

 (3)
AMM 12-21-21/301, Nose Landing Gear Lubrication

GEAR
Nose Gear Sling Figure 402
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