driver adapter, tighten adjusting screw to 50 inch-
NOTE
pounds.
A slight resistance to turning the
(4) Tighten locknut.
adjusting screw will be felt at this point.
d. Adjust the valve crossheads as follows:
(2) Turn adjusting screw an additional 15.
(1) Loosen valve crosshead adjusting screw
lock-nut, illustrated in figure 4-15 and back off screw two
(3) Loosen adjusting screw one turn; then
to three turns.
using a torque wrench calibrated in inch-pounds and a
screw-
Figure 4-15. Carrier engine valve crosshead adjustment.
4-23
