5-39. STEERING GEAR-Continued
Clean any paint or foreign material from the input shaft with a fine grade of emery paper.
Loosen the poppet adjusting screw nut (27) and the poppet adjusting screw (34) in the valve
housing (35) approximately two turns.
Remove the four valve housing bolts (36).
Remove the valve housing (35). Some fluid will drain.
The valve sleeve (37) will probably remain in the valve housing.
Do not disassemble the worm shaft/input shaft assembly (1),
which includes the worm shaft, input shaft, torsion bar, torsion
bar pins, drive ring and drive ring retainer, and insert. Do not
unbend the drive ring retainer tangs that hold the drive ring in
place. Doing either will alter the valve timing, which could
cause the truck to pull to one side or the other.
Remove the valve sleeve (37) from the valve housing (35).
Remove the first thrust washer (38) and the thrust bearing (39) and then the second thrust washer
(38) from the valve housing.
The first thrust washer may stay on the end of the valve sleeve.
Remove and discard the valve housing seal ring (32) from the valve housing (35).
Remove and discard the dirt and water seal (40).
Remove retaining ring (41).
Remove steel backup washer (42), and two-piece input shaft seal (43) from the valve housing (35).
The poppet adjusting screw (34) and sealing nut (27) do not
have to be removed from valve housing unless apparent leaks
at the adjusting screw indicate sealing nut or adjusting screw
indicate sealing nut and or adjusting screw be replaced.
Remove and discard the two Teflon seal rings (44) from valve sleeve (37).
Remove the two backup "O" rings (45) from the valve sleeve grooves.