Page 3-18
Maintenance
3.15 - Steering Cylinder
X Series Work Platform
I
NSTALLATION
1. Install the clevis end pivot pin through the cylinder clevis and cylinder link, and secure with a
new cotter pin.
2. Install the rod end shoulder bolt through the cylinder rod and brake tube mounting tabs, and
secure with the locknut.
3. Install the hydraulic hoses.
4. Install the adjustment locknut. Tighten the bolt until the brake shoes fully engage the tires.
Secure with the locknut.
5. Lower the machine and operate the drive circuit. Check that the brake shoes retract and
clear the tires when driving and fully engage the tires when stopped. Test the brakes, if pos-
sible, on a 14° (25%) incline. Check for leaks.
3.15 S
TEERING
C
YLINDER
R
EMOVAL
1. Turn the wheels to the straight position.
2. Elevate the platform and block the elevating assembly with the brace. (See “Supporting Ele-
vating Assembly” on Page 3-4.)
3. Tag and disconnect the hose assemblies from the cylinder fittings, and immediately cap the
openings to prevent foreign material from entering.
4. Remove the cotter pins from the pivot pins.
5. Remove the pivot pins, straight up through the Chassis, while supporting the cylinder.
Remove the cylinder.
Figure 3-22: Steering Cylinder
D
ISASSEMBLY
1. Remove the set screw that secures the thread
cap on the cylinder barrel.
2. Unscrew the thread cap from the barrel.
3. Withdraw the head cap, piston, and shaft
assembly from the barrel tube.
4. Remove the piston nut, piston, and head cap.
5. Remove the rod wiper, U-cup, O-ring, and
backup ring from the headcap. Discard the
seals.
6. Remove the internal backup rings, O-ring,
and cast iron piston seals from the piston and
discard.
C
LEANING
AND
I
NSPECTION
1. Wash all the metal parts in cleaning solvent
and blow dry with filtered compressed air.
2. Inspect all the threaded components for
stripped or damaged threads.
3. Check the inside surface of the cylinder barrel
for scoring or excessive wear.
4. Check the piston and headcap for scoring or excessive wear.
5. Inspect the surface of the shaft for scoring or excessive wear.
1
2
3
4
5
6
7
1.Clevis Pin
2.Bell Crank Weldment
3.Steering Cylinder
4.Bell Crank Pin
5.Wheel Yoke
6.Steering Link
7.Strip Bearing
060571-005
Содержание X Series
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