PRINCIPLES OF OPERATION. (cont)
BLADE SYSTEM. (cont)
Blade Tip Cylinder (Figure 1-67). Attached to circle assembly and blade assembly so that the blade can be
tipped forward or to the rear. Hydraulic oil for tip cylinder operation is sent through the hydraulic swivel. Refer to paragraph
Blade Lift Cylinder (Figure 1-68). Each cylinder is attached to a blade lift arm and the circle assembly at
each side of the frame. There is a lift cylinder control lever and a right cylinder control lever in the cab. The lift cylinders
are used to raise or lower the blade. They are also used to rotate the blade lift arms to set the blade angle for ditching and
banking. Blade lift arms must be rotated with blade grounded and the centershift lock in the unlock position.