(bottom manifold) cast in several places in the side of
The fuel injectors are supplied with fuel oil through pipes
the cylinder head.
connected to the fuel inlet manifold. Excess fuel oil is
returned to the fuel tank from the fuel injectors through
The fuel manifold connectors are assembled to the
pipes connected to the fuel outlet manifold.
integral fuel manifold cylinder head, using special steel
sealing washers, and tightened to 40-45 Ib-ft (5461 Nm)
The fuel inlet and outlet manifolds are an integral part of
the current cylinder heads (Fig. 1). Since there are inlet
and outlet passages provided opposite each injector
A special fitting with a restricted opening is used in the
position in the side of the head as well as at each end,
fuel outlet manifold to maintain the proper pressure
greater flexibility is permitted in the installation of the
within the fuel system. Refer to Page 10-9-1 for the size
fuel lines to the fuel manifolds. The fuel passages are
of restriction used.
identified by the words "IN" (top manifold) and "OUT"
Fig. 1 - Cylinder Head with Integral Fuel Manifolds