Rotational backlash is recommended to
be less than 1/2 in. (1.3 cm).
If greater than 1/2 in. (1.3 cm), two joints
between Circle Rotation Sensor and circle
can be tightened.
First joint is between hose tray (1) and
hydraulic swivel (2).
Remove existing pin connecting hose tray
Replace pin with 8-in. (20.3 cm) long,
3/4-10, grade 5 bolt (3) and nut (4).
Use 3/4 in. flat washers (5) to remove slack between two parts.
Circle Slide Shoes should also be checked for proper adjustment. Consult your 130G Grader Technical Man-
ual for this procedure (TM 5-3805-261-10).