5-15. Steering Cylinders
with vehicle speeds over 10 miles per hour. For convoy
operation, or extended periods of use in two-wheel
a. Removal. Refer to figure 5-13 and remove the
steer mode, it is recommended that the safety detent
hydraulic steering cylinders.
be locked in to prevent accidental activation of four-
wheel steer. The four-wheel steer capability is con-
After removing hydraulic lines, be sure to cap
rolled by a series of links located under the driver's
lines and use plug caps on cylinders to keep
compartment. The modes of steering (two-wheel, four-
out foreign matter.
wheel crab, and four-wheel cramp) are controlled by a
b. Disassembly. Refer to figure 5-14 and disassem-
three-position hydraulic cylinder anchored on the pit-
ble the steering cylinders.
man arm and acting upon the steering actuator arm. A
c. Cleaning and Inspection.
valve, located in the link anchored on the rear cross
(1) Clean the cylinder and metal components thor-
shaft bell crank and the forward end of the steering
oughly, using solvent P-D-N30 or equal.
actuator arm, controls the action of rear-wheel steer-
(2) Inspect rod end bushings for excessive wear.
ing by hydraulic pressure.
(3) Inspect extension rod for smoothness and in-