TM 10-4320-315-24
2-38. MAINTENANCE OF FUEL VALVES AND LINES - (Cont)
(3)
Remove auxiliary fuel connectors as follows:
(a)
If required, tag and disconnect fuel lines.
(b)
Remove fitting (30) from auxiliary fuel connector (11 and/or 20).
(c)
Remove nut (31) and auxiliary fuel connector (11 and/or 20) with cap (32).
b. INSTALL.
(1)
Replace auxiliary fuel connectors as follows:
(a)
Install auxiliary fuel connector (11 and/or 20) in cutout of enclosure panel. Secure with nut (31).
(b)
Install fitting (30) in auxiliary fuel connector (11 and/or 20).
(c)
Connect fuel lines and remove tags.
(2)
Replace fuel selector valves as follows:
(a)
Install fuel selector valve (3 and/or 15) in cutout of enclosure panel. Secure with lockwashers (29) and
capscrews (28).
(b)
Install handle (27) with screw (26).
(c)
Connect fuel lines and remove tags.
(3)
Replace fuel lines as follows:
(a)
Connect fuel supply line (1) at fitting (2) of fuel selector valve (3) and fitting (4) at engine fuel transfer
pump (5).
(b)
Connect fuel supply line (6) at fuel tank fitting (7) and fitting (8) of fuel selector valve (3).
(c)
Connect fuel supply line (9) at fitting (10) of auxiliary fuel supply (11) and fitting (12) of fuel selector
valve (3).
(d)
Connect fuel return line (13) at fitting (14) of fuel return selector valve (15) and at fuel tank return
fitting (16).
(e)
Connect fuel return line (17) at fitting (18) of fuel return selector valve (15) and at fitting (19) of
auxiliary fuel return (20).
(f)
Connect fuel return line (21) at fitting (22) of fuel return selector valve (15). Connect other end of fuel
return line (21) at No. 1 engine injector fuel return (23) with banjo bolt (24) and seal washers (25).
2-70