Holding the spring housing adjustment in place,
loosen and remove the centering screw locknut.
Remove the centering screw.
Remove the O-ring from centering screw and
Install the centering screw, back into the control,
Care must be taken not to compress the
centering screw should just make
Measure accurately the distance the centering
screw extends beyond the end of the spring
Measurement must be accurate to ±.005".
Remove the centering screw and install a new O-
Re-install the centering screw to the depth
measured in Step 5. Install and torque centering
screw locknut to 30-50 ft. lbs.
Repeat Steps 3 through 11 to complete the