33
Forward and Side Tilt Cylinder
Seal Replacement
Removing tilt cylinder(s) from the
assembled Post Driver can cause
an unstable condition. To avoid
personal injury or death,
make sure the drive ram is fully
supported by other means before
removing the tilt cylinders for
service.
1.
When removing the cylinder(s) from the
assembled Post Driver, make sure the
drive ram is fully supported by other
m e a n s , such as a suitable overhead
lifting device
2.
Make sure all tilt cylinder components are
clean and free of rust.
3.
Lubricate the new seals with clean
hydraulic fluid.
4.
Install new internal O-ring seals.
Make sure the snap ring
is completely seated in
the
cylinder
tube
groove.
Failure to seat the snap
ring in the groove can cause the cylinder
cap to be explosively ejected from the tilt
cylinder tube when hydraulic pressure is
applied, resulting in serious injury or even
death.
3-Point Hitch/Post Driver
Assembly
1.
With Road Lock Pin installed in the upper
hole of Drive Ram, use a suitable
overhead lifting device to raise (stand up)
Main Carriage Channel Assembly.
The
Main
Carriage
Channel
Assembly is tall and heavy. To
avoid tip over, resulting in serious
injury or death, leave the overhead
lifting device attached to the Main
Carriage Channel while assembling
components.
Overhead lifting device (arrow) Hydraulic Base Plate
2.
For instructions on connecting the 3-Point
Hitch Weldment and Post Driver Assembly
after service, refer to Step 6 in the Assembly
Procedure, Base Plate section of this
manual.
3.
Apply paste-type thread sealant to the pipe
thread hose fitting. Connect drive cylinder
hose to drive cylinder assembly. Tighten the
hose fitting securely.
NOTE:
Before using the Post Driver after
service, it may be necessary to operate the
hydraulic control valve levers a few times, to
remove air from the hydraulic system.
WARNING
WARNING
WARNING
