(a)  
Make a note of the dynamometer loads.

 (b)  
Make a note of the crane location.

 (c)  
Slowly remove the load from the crane.

 (d)  
Remove the overhead crane.

 TASK 54-51-02-404-007-003
 3.  Install the Attach Pin/Bolt___________________________
 A. Special Tools and Equipment
 (1)  
A54001-138 Sling - Strut Unload, Pin Removal/Installation (Engine supported)

 (2)  
G54004 - Overhead Mechanical Equipment, Inboard and Outboard Nacelle Strut Installation (Engine Removed)

 (3)  
G54007 - Sling, Diagonal Brace Preload (Engine removed)

 (4)  
G54008-37 Removal/Installation Kit - Fuse Pin (Includes fuse pin adapter wrenches and brass slugs)

 (5)  
MIT SM321U2750 - Locating & Align Jig, Strut Modification, Side Link Assy

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 54-51-02
 ALL  ú CONFIG 3 ú 10N Page 428 ú Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

 (6)  
MIT SM311U2730 - Measuring Tool, Strut Modification,
 Diagonal Brace

 (7)  
G78002-1 Hold Open Set - Thrust Reverser Cowl, CF6-80C Engine

 B.  Standard Tools and Equipment
 (1)  
Lock - leading edge flap drive unit

 (2)  
Lift Equipment (Engine removed)

 (a)  
Crane, approved to lift 5,000 pounds

 (b)  
Dynamometer, 0-5,000 pound capacity, |2% accuracy

 (3)  
Lift Equipment (Engine supported)

 (a)  
Crane, approved to lift 20,000 pounds, with micro-positioning capabilities (recommended), or with Pull Pac Cylinder (alternative) 1) Pull Pac Cylinder BRP-306, P-80 Pump, HC-941 Hose Assembly

 (alternative)
 ENERPAC, Division of Applied Power, Inc.
 Butler, Wisconsin

 (b)
Dynamometer, 0-20,000 pound capacity, | 2% accuracy

 1)  Two dynamometers are necessary if the crane has an adjustable load limiter or if you use a precision load positioner.
 2)  Three dynamometers are necessary if the crane does not have an adjustable load limiter and you do not use a precision load positioner.
 (c)  
Precision Load Positioner, 10 ton capacity, Model D Hydra-Set (alternative) Del Mar Engineering Laboratories, Hydra-Set Division International Airport Los Angeles, California

 (d)  
Lever Hoist, 9,000 pound capacity (2 are necessary)

 (4)  Tag Lines - use for control of the engine sling
 C.  Consumable Materials
 (1)  
A00310 Sealant - BMS 5-95 or
 A00247 Sealant - BMS 5-79

 (2)  
A00344 Compound - Corrosion Preventive, MIL-C-11796, Class 1

 (3)  
A00964 Primer - Fluid Resistant, BMS 10-11, type I

 (4)  
C00032 Enamel - Exterior Decorative, BMS 10-60, Type I

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 54-51-02
 ALL  ú CONFIG 3 ú 10N Page 429 ú Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

 (5)
D00006 Lubricant - Antiseize, BAC 5008, Type 7-3 (NEVER-SEEZ)

 (6)
D00294 Grease - Corrosion Preventative, BMS 3-24

 D. Parts ~.............................................................................. | AMM | | AIPC | ................. ............................ | FIG | ITEM | NOMENCLATURE | SUBJECT | FIG | ITEM | ................................................................................ | | | TO BE FURNISHED| | | | | | | | | | | 2......…........…...................................…..........…......…........1
 E. References
 (1)
AMM 20-11-05/401, Flareless Tubing

 (2)
AMM 27-81-00/201, Leading Edge Flaps

 (3)
AMM 29-11-00/201, Main Hydraulic Supply System

 (4)
　
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