d. Before installing front steering hydraulic cylinder
4-40. CHECKOUT. Start engine and test operate front
(9) adjust to 33-1/4 inches between centerlines of anchor
and rear steering with tractor stationary. Detailed rear
bracket ball stud and lower front steering bell crank (10)
steer testing is outlined in adjustment procedures.
ball stud with the cylinder (9) piston in the center
steering system as follows:
a. After steering gear (3), steering column (4) and
To obtain center position of cylinder (9),
steering wheel (5) are installed in the tractor, turn the
extend piston fully and retract 6 inches.
steering wheel (5) to the left as far as it will turn. Turn
the steering wheel (5) to the right as far as it will turn,
e. Adjust link (2) between cab rear steer lever (1) and
counting the number of turns of the wheel to the closest
cam and valve assembly lever (18), to 16-3/4 inches
1/8 turn. Turn the steering wheel (5) to the left 1/2 the
centerlines of ball joints before installation.
foregoing number of turns and install the steering gear
lever (pitman) arm (16) onto the steering gear shaft in a
f. Before installing rear steer link assembly (8)
between cam (35) and left rear wheel link bracket, adjust
to 42 inches centerlines of ball joints.
b. Adjust front steering valve and drag link assembly
(11) to 22-1/4 inches centers between ball studs before
g. Adjust rear axle hydraulic cylinder (6) to 33-1/4
attaching to pitman arm (16) and front steering bell crank
inches between centerlines of anchor bracket ball stud
(10). To adjust front steering valve and drag link assembly
and rear axle ball stud bracket (7) ball stud with cylinder
(11) loosen rod ends and lengthen or shorten by turning
(6) piston in center position.
rod ends on threaded rod as appropriate.
c. Adjust front axle drag link (12) to a length of
36-1/4 inches centers between ball stud of front axle ball
stud bracket (13) and ball stud on front steering bell
To obtain center position, extend cylinder (6)
piston fully and retract 6 inches.
h. After installation of pitman arm stop bracket (14),
and with engine running, steer front wheels only, to full
This dimension is extremely critical for proper
right and full left and adjust pitman arm stop screws (15)
17. Cotter Pin
10. Bell Crank
11. Drag Link
12. Drag Link
Figure 4-1. Steering system adjustment schematic (sheet 1 of 2)