F 250 2WD Pickup V8-6.9L DSL (1985)
Figure 5
5.
Rotate the valve shaft counter-clockwise 90~ so that the flat of the shaft is vertical, Figure 5.
Figure 6
6.
Place the valve shaft positioner, (E9TZ-2W125-A) over the valve shaft as shown in Figure 6. Make sure the shaft flat fits into the "D"-slot of the
positioner and that the shroud is fully seated over the valve casting.
7.
Re-install the nut saved in Step 1 on the valve shaft. Hold the shaft positioner and tighten the nut to a torque of 8-10 lb.ft. (11-14 N-m).
8.
Install an "Authorized Modification" decal on the brake booster listing the modification as follows: "HSPV REAR BRAKE OPERATION
MODIFIED".
