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737-300/400/500MAINTENANCE MANUAL
4) Do this task: Phase II Inspection (AMM 05-51-51/201).
(8) S 582-023Disconnect the torsion links on the nose gear, if a greater turning angle is required.
(9) S 582-024Disconnect the nose gear taxi light wire, if an angle in excess of 90 degrees is necessary.
S 582-025
(10)
When disconnected, support the lower torsion link against dragging to prevent damage to the lubrication fittings.
S 582-027
(11)
Finish towing in a straight path for a minimum of 10 feet to relieve the turning stresses that remain in the tires and the shock struts.
S 582-028
(12)
At the end of towing, put the wheel chocks fore and aft of a main gear wheel on each of the main gear.
S 582-029
(13)
Set the parking brake if it is necessary.
S 582-030
(14)
Disconnect the tow bar (if it was installed).
S 862-038
WARNING: TO PREVENT INJURY TO PERSONNEL, STAY CLEAR OF THE NOSE GEAR
_______ WHEN THE STEERING LOCKOUT PIN IS REMOVED FROM THE STEERING DEPRESSURIZATION VALVE IF HYDRAULIC SYSTEM A IS PRESSURIZED.
(15) Make sure that the steering metering valve control crank is in the neutral position, then remove the nose gear steering lockout pin from the steering depressurization valve (AMM 32-00-01).
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H. Tow the Airplane Under Abnormal Loads (Main Gear Towing)
S 582-032
(1) Preparation for towing and towing airplane under abnormal loads is the same as towing airplane from nose gear except for the steps that follow:
(a) Eyebolt assemblies are installed in place of the jacking cone on each main gear and locally fabricated cables attach each main gear to the tow tractors.
NOTE: The nose gear tow bar is not used.
____
(b)
Hydraulic system A is pressurized and the airplane is steered during towing by the nose wheel steering system by directions from the ground crew.
(c)
Airplane motion is interrupted by the application of the airplane brakes.
NOTE: The number of applications is not limited as hydraulic
____
systems are operational.
I. Towing Airplane in High Wind (Fig. 206)
S 582-039
(1) Refer to Fig. 206 to tow the airplane in high wind.
J. Put the Airplane to its Usual Condition
S 862-033
(1)
Attach the static ground wires.
(2)
Disconnect and stow the intercommunication set.
(3)
If it is on, remove power to the APU.
S 862-034
S 862-035
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S 862-036
(4) If the landing gear downlock pins were installed, remove the pins before taxi and takeoff.
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TOWING AIRPLANE WITH FLAT TIRES - MAINTENANCE PRACTICES
_______________________________________________________
1. General_______
A. This procedure contains a task to tow the airplane when it has more than one flat tire.
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