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 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
 09-10-00
 ALL  ú ú 01 Page 201 ú Nov 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
 B.
C.
D.
A
737-300/400/500MAINTENANCE MANUAL
 2)  SAE ARP 4853: Specification for Towbarless Tow Vehicles (TLTV).
 3)  SAE ARP 5283: Towbarless Tow Vehicles - Aircraft Nose Landing Gear Steering and Tractive Force Protection Systems or Alerting Devices - Inspection, Maintenance, and Calibration Requirements.
 4)  SAE ARP 5285: Towbarless Towing Vehicle Operating Procedure.
 5)  Boeing Document D6-56872: Towbarless Towing Vehicle Assessment Criteria.
 6)  Boeing Service Letter 737-SL-09-002: Towbarless Towing Evaluation.
 NOTE: The service letter provides additional guidance and
____ information regarding towbarless towing recommendations and regulatory requirements.
 (6)  
When it is necessary to tilt the airplane for tail clearance in hangars and storage areas, refer to AMM 07-13-00/201, Tilt Airplane for Tail Clearance.

Equipment

 (1)  
C09002 - 737 Tow Bar (if it is necessary)

 (2)  
F72719-500 - Eyebolt Assembly, Main Landing Gear Towing

 (3)
F72735 - Nose gear steering lockout pin.Standard Tools and Equipment

 (1)  
Standard tow tractor or towbarless vehicle

 (2)  
Wire cable (3/4 inch) with end fittings to match F72719 (for towing

 at the main gear)References

 (1)  
AMM 05-51-29/201, Exceeding Manimum Nose Landing Gear Towing Angle or Maximum Towing Load

 (2)  
AMM 07-13-00/201, Tilt Airplane for Tail Clearance

 (3)  
AMM 12-15-31/301, Main Landing Gear Shock Strut

 (4)  
AMM 12-15-41/301, Nose Landing Gear Shock Strut

 (5)  
AMM 12-15-51/301, Landing Gear Tire

 (6)  
AMM 24-41-00, AC External Power

 (7)  
AMM 29-15-00/201, Hydraulic System

 (8)  
AMM 32-00-01/201, Ground Lock Assemblies

 (9)  
AMM 49-11-00/201, APU Power Plant

 (10)
 AMM 71-11-02/201, Fan Cowl Panels

 (11)
 AMM 78-31-00/201, Thrust Reverser System

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 09-10-00
 ALL  ú ú 01 Page 202 ú Nov 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 E. Center of Gravity Calculations for Towing
 S 582-042
 (1)  During all phases of ground handling and maintenance, the center of gravity (CG) of the airplane must be forward of the aft CG limit (Fig. 201). This CG limit provides a margin of safety to allow for grade, winds, and acceleration forces as noted. The configuration to be towed should be carefully checked to make sure that the CG is forward of the towing limit. If the aft towing limit is exceeded, the recommended procedure is to add ballast or fuel, to move the CG forward. The Table in Fig. 202 gives the incremental CG shift for some of the items that you need to consider. A forward CG shift is (-) and an aft CG shift is (+). All of the data is for a level airplane.
 F. Prepare To Tow the Airplane
 S 862-003
 (1)  
Make sure that the airplane is within the center of gravity towing limitations and that the fuel is balanced. Refer to the Center of Gravity Calculations for Towing task, for center of gravity data.

 S 862-004

 (2)  
Make sure that all the landing gear ground lockpins are installed (AMM 32-00-01/201).

 NOTE: Towing and pushing with the landing gear ground lockpins
____
 removed is optional.

 S 782-005
 CAUTION: DO NOT TOW THE AIRPLANE WITH THE NOSE GEAR FULLY COMPRESSED OR
_______ EXTENDED MORE THAN 23.5 INCHES FROM THE BOTTOM OF THE INNER CYLINDER TO THE BOTTOM OF THE STEERING PLATE. YOU CAN DAMAGE THE NOSE GEAR STRUT INTERNALLY.
 (3)  
Make sure that the tires and shock struts are correctly inflated (Ref Chapter 12).

 S 862-006

 (4)  
Apply the external electrical power or start and operate the APU (AMM 24-41-00 or AMM 49-11-00).
　
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