(h)
 Remove and discard the O-ring (15).

 (i)
 Lubricate the new O-ring (15) with FUELS (Material No. 01-001) or COMMON GREASE (Material No. 04-012).

 (j)
 Install the new O-ring (15) on the T-piece (16).

 (k)
 Put the pipe (13) in position on the RIB 16 and on the connector (12).

 (l)
 Install the bolts (10) and the nuts (11).

 (m)
 Connect the connector (12) to the pipe (13). Tighten the
 connector (12).

 (n)
 Put the T-piece in position on the RIB 15.

 (o)
 Install the nut (14) and its related pipe on the T-piece (16). Tighten the nut (14).

 (p)
 Make sure that the pipe (17) is at its mid-point between the T-piece (16) and the pipe (13).

 (7)
 Lubricate the new O-ring (2) the new O-ring (4) and the new O-ring

 (7) with FUELS (Material No. 01-001) or COMMON GREASE (Material No. 04-012).
 1EFF : 301-399, 1 28-16-43Page 409 1 1 May 01/04 1 1 1CES 1 Subtask 28-16-43-420-050

 B. Installation of the Pressure Holding Valve 218QM(219QM)
 (1)
 Install the new O-ring (2) on the end of the fuel pipe (1).

 (2)
 Install the new O-ring (4) on the pressure holding valve (3).

 (3)
 Install the pressure holding valve (3) on the fuel pipe (1).

 (4)
 Install the new O-ring (7) on the adaptor assembly (5).

 (5)
 Put the adaptor assembly (5) in position between the pressure holding valve (3) and the RIB 15.

 (6)
 Install the bolts (9).

 (7)
 Install the bolts (8) and the nuts (6).

 5. Close-up
________ Subtask 28-16-43-410-050
 A. Close Access
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
 Install the applicable access panels (Ref. TASK 28-10-00-910-002), (Ref. TASK 57-27-11-400-002):

 -
FOR 218QM
 install 540JB, 540KB, 540LB

 -
FOR 219QM
 install 640JB, 640KB, 640LB.

 Subtask 28-16-43-650-050
 B. Fuel Configuration
 (1) Refuel, defuel or transfer fuel as necessary (Ref. TASK 12-11-28-650-003), (Ref. TASK 28-25-00-650-001) or (Ref. TASK 28-25-00-869-001).
 1EFF : 301-399, 1 28-16-43Page 410 1 1 May 01/04 1 1 1CES 1 Subtask 28-16-43-942-050

 C. Removal of Equipment
 (1)
 Remove the safety barriers.

 (2)
 Remove the warning notice(s).

 (3)
 Remove the access platform(s).

 (4)
 Remove the ground support and maintenance equipment, the special and standard tools and all other items.

 1EFF : 301-399, 1 28-16-43Page 411 1 1 May 01/04 1 1 1CES 1

 DISTRIBUTION - DESCRIPTION AND OPERATION
________________________________________
 1. General
_______

R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
 The fuel distribution system is in three parts. These are:
 -
the supply to the engine

 -
the supply to the Auxiliary Power Unit (APU)

 -
the refuel/defuel system.

 **ON A/C 301-399,
 The fuel distribution system is in four parts. These are:
 -
the supply to the engine

 -
the supply to the Auxiliary Power Unit (APU)

 -
the refuel/defuel system

 -
the main transfer system.

 **ON A/C ALL
 2. Component Location
__________________
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
 (Ref. Fig. 001)
 **ON A/C 301-399,
 (Ref. Fig. 001A)
 **ON A/C ALL
 3. System Description
__________________
 1EFF : ALL 1 28-20-00Page 1 1 1 Aug 01/05 1 1 1CES 1

 Fuel Distribution - Component Location Figure 001 (SHEET 1)
R 1EFF : 001-049, 051-099, 101-149, 151-199, 1 28-20-00Page 2 1201-299, 401-499, 1Aug 01/05 1 1 1CES 1

 Fuel Distribution - Component Location Figure 001 (SHEET 2)
R 1EFF : 001-049, 051-099, 101-149, 151-199, 1 28-20-00Page 3 1201-299, 401-499, 1Aug 01/05 1 1 1CES 1

 Fuel Distribution - Component Location Figure 001 (SHEET 3)
R 1EFF : 001-049, 051-099, 101-149, 151-199, 1 28-20-00Page 4 1201-299, 401-499, 1Aug 01/05 1 1 1CES 1

 INTENTIONALLY BLANK

R 1 1

28-20-00Page 5
1 1 May 01/04 1 1 1CES 1

R  Fuel Distribution - Component Location 
　
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