SERVICE & REPAIR | 49
SWING CYLINDER REPLACEMENT
1) Park the unit on a level surface with the tailgate shut. Bring the swing and sweep panels to
the retracted position. Remove the keys from the ignition, use proper lock-out/ tag-out
procedures, and chock the tires. Finally, disconnect the negative battery cable.
2) Reduce the hydraulic pressure in the system by operating the hydraulic valve on the tailgate
and body until all the hoses are limp.
3) Disconnect the hoses going to the swing cylinder you intend to remove. Ensure all hoses
are capped and plugged; and the cylinder is plugged to prevent contamination.
4) Disconnect the swing cylinder from the lower, tailgate mount rst by removing the bolt,
nut, washer and lock washer. Then slide the cylinder pin outward to remove it.
5) Disconnect the swing cylinder from the swing panel by removing the bolt, nut, and lock
washer. Then slide the cylinder pin inward to remove it.
6) The swing cylinder should now be loose; however, the swing panel may need to be raised
several inches in order to assist in the removal of the cylinder. Remove the swing cylinder
from the tailgate, drain the hydraulic uid, and plug the cylinder.
7) For installation, simply perform the above procedures in reverse order. Apply a liberal
coating of anti-seize compound to all pins before installation.
Never disconnect a hydraulic hose or tube containing
pressure. Pressures in this hydraulic system are high enough
to cause serious injury or death. Hoses may whip or hydraulic oil may burn skin, or cause eye damage.
Use extreme caution when working with the hydraulic system.
The swing panel may need to be lifted manually to assist in the
removal of the swing cylinders.
The swing cylinder is heavy. Use caution when removing.
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