SHROUDED COUPLING DIMENSIONS
Shrouded Fuel Coupling - Nacelle Strut
Figure 203 (Sheet 2)
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A
747-400 MAINTENANCE MANUAL
FUEL SYSTEM - MAINTENANCE PRACTICES
___________________________________
1. General
_______
A. This procedure contains instructions for the adapter shaft alignment for several fuel system valves.
TASK 28-00-01-822-001
2. Adapter Shaft Alignment
_______________________
A. General
_______
(1)
This task has two ways to align the adapter shaft:
(a)
Adapter shaft alignment with the alignment tool B28009-1.
NOTE: Use this procedure if the adapter plates are installed
____ as shown in Fig 201.
(b) Adapter shaft alignment manual method.
NOTE: This procedure can be used for any adapter plate
____
configuration.
B. Equipment
(1)
B28009-1, Adapter Shaft Alignment Tool
(2)
Torque meter - 0-15 inch-pounds, with a resolution of +/- 1 inch-pound (optional)
(3)
MIT65B92408-1, Adapter Shaft Alignment Fixture
C.
References
(1)
AMM 12-11-01/301, Fuel Tank Replenishing .
(2)
AMM 28-26-00/201, Defueling
(3)
AMM 28-11-02/401, Tank Access Door
(4)
AMM 28-11-00/201, Tank Entry
D.
Adapter Shaft Alignment With Alignment Tool B28009-1 (Fig. 201)
S 822-002
(1)
Do these steps to install the alignment tool in the adapter plate:
(a)
Make sure that the actuator is in the closed position.
(b)
Remove the applicable valve actuator.
(c)
Remove the top two index screws from the index plate.
(d)
Loosen the bottom index screw, but do not remove it.
(e)
Install the alignment tool (Fig. 201):
(f)
Put the alignment tool in its position with the two guide pins in the holes left by the two index screws that you removed (the scale should be on the top of the tool).
(g)
Make sure the spline on the tool engages with the spline on the shaft.
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747-400
MAINTENANCE MANUAL
ALIGNMENT TOOL INSTALLATION VALVE BODY
SEE A ADAPTER PLATE
ELECTRICAL CONNECTOR
MANUAL OVERRIDE HANDLE ADAPTER SHAFT VALVE ACTUATOR - ELECTRICAL (EXAMPLE) CONNECTOR ON TOP ACTUATOR
(2 LOCATIONS) ALIGNMENT SCREW SCALE LOCKSCREW ALIGNMENT TOOL INDEX PLATE
GUIDE PINS ADAPTER PLATE
SPAR
INDEX SCREW
ALIGNMENT TOOL INSTALLATION A
Figure 201 (Sheet 1) Alignment Tool Installation
H46860
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A
747-400
MAINTENANCE MANUAL
ALIGNMENT TOOL
INSTALLATION
ACTUATOR OVERRIDE MANUAL SEE B ADAPTER
HANDLE SHAFT
MOTOR
UNIVERSAL
JOINT
(2 LOCATIONS)
ELECTRICAL CONNECTOR
ADAPTER PLATE VALVE BODY
CHECK VALVE
VALVE ACTUATOR - ELECTRICAL CONNECTOR ON BOTTOM (EXAMPLE)
ADAPTER PLATE
INDEX SCREW FWD
SPAR
GUIDE PINS
INDEX PLATE ALIGNMENT SCREWALIGNMENT TOOL (2 PLACES)
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