SECTION 9
STEERING
c. Install inner o-ring in the piston.
9-79.
DISASSEMBLY OF STEERING CYLINDER
(see figure 9-93).
d. Install the-wear ring,
outer o-ring and teflon
piston ring on the piston.
a. Remove rod end ball joint.
e. Lubricate the piston with "Hyster Approved"
b. Unscrew and remove the retainer.
Packing Lubricant and install the piston on the rod.
c. Using a section of hollow round stock, push the
f. Remove tape and install jam nut.
Torque per
retainer into the cylinder shell until the snap ring can be
specification.
easily removed from the shell.
g. Compress wear ring and piston ring with fingers
d. Remove snap ring.
and insert into the cylinder shell.
e. Pull sharply on rod to remove retainer, piston and
h. Push the rod and the retainer into the shell until
rod.
the snap ring can be installed easily. Install snap ring.
f. Clamp rod in a vise between two pieces of clean,
i. Pull sharply on the rod until the retainer bottoms
soft wood. Remove piston jam nut.
against the snap ring.
g. Tape rod threads and remove piston.
j. Install the nut on the retainer. Torque per
specification.
h. Remove the wear ring from piston if damaged,
scored or chipped.
k. Install rod end ball joint.
i. Remove the teflon piston ring and o-ring.
I. Lubricated the five rod end ball joint internal parts
which include the spring seat, spring, both ball stud seats
j. Remove the inner o-ring from the piston.
and threaded plug (refer to Section 4).
k. Remove retainer from the cylinder rod and
9-82.
INSTALLATION OF STEERING CYLINDER (see
remove the outer and inner o-rings and back-up rings.
I. Remove wiper seal from the end of the retainer.
a. Install the spring seat, spring and one ball stud
seat in the shell end of the cylinder and position the
9-80.
CLEANING AND INSPECTION.
cylinder on the gooseneck mounted ball stud.
a. Wash all parts in solvent and inspect for nicks,
b. Install the remaining ball stud seat and threaded
burrs, and scratches. Dress parts with fine sandpaper or
plug. Tighten plug until the cylinder will hold its position
India stone if necessary.
horizontal to the floor without assistance.
b. Check all contact surfaces for any abnormalities
c.
Tighten plug until the cotter pin can be installed.
and piston rings for wear. Replace if necessary.
Install cotter pin.
9-81. REASSEMBLY OF STEERING CYLINDER (see
d. Connect hydraulic hoses to the cylinder.
e. Position the rod end ball stud joint on the trunnion
NOTE: All o-rings and wipers should be replaced on
arm mounted ball stud. Install the remaining ball stud
reassembly.
seat the threaded plug.
a. Install outer and inner o-rings and backup rings
f. Tighten plug until all the spring movement in the
and wiper seal in the retainer.
ball joint is taken up. Tighten plug until the cotter pin can
be installed. Install the cotter pin.
b. Lubricate the rod and the entire retainer with
"Hyster Approved" Packing Lubrication. Carefully install
the retainer on the rod.
9-29.
