haust valves if the exhaust valve bridges are
not resting on the ends of the exhaust valves
when tightening the rocker arm. Refer to
figure 3-66 for proper rocker arm bridge
Note that the injector rocker arm (17, fig.
3-63) (center rocker arm) is slightly different
from the exhaust rocker arms (5 and 11); the
boss for the shaft on the valve rocker arms is
longer on one side of the arm than the other.
The extend boss on the valve rocker arms
must face the injector rocker arm.
(c) Install rocker arm shaft brackets and bolts in
reverse of instructions on figure 3-62. Tighten bolts to
50-55 lb-ft. of torque.
(d) Remove dust caps and install fuel pipes,
tightening nuts to 12-15 lb-ft. torque.
(e) Adjust the exhaust valve clearance (para
(f) Time the fuel injectors (para 3-12).
(b) Screw each arm assembly clevis down on the
(g) Install the rocker arm covers (para 3-16).
respective push rods (fig. 3-62) until the end of the
3-24. Exhaust Manifold
push rod is flush with the inner side of the clevis. Lock
clevis to push rod with locknuts.
a. General. The exhaust manifold is located on the
cylinder head. The manifold has a flange at the top to
There is a possibility of damaging the ex-
which the exhaust pipe is connected.