Four stabilizer cylinders are used on the crane, one
inches (107.9 cm) measured from the end of the
at the end of each outrigger beam. The stabilizer
cylinder barrel to the end of the cylinder rod. The
cylinders provide the force for the outrigger beam's
extended length of the cylinder from the end of the
vertical movement. The cylinders have a 3.5 inch
cylinder barrel to the end of the cylinder rod is 63.5
(8.9 cm) diameter bore and are the double acting
inches (161.3 cm). The stabilizer cylinder weighs
type. Each cylinder has a retracted length of 42.5
approximately 114 lbs (51.7 kg).
Fasten a nylon strap onto the cylinder retaining
pin and use an adequate lifting device to lift the
stabilizer cylinder out of the tube on the beam
Refer to CYLINDERS in Section 8 for
Disassembly and Assembly of the
Place a jack beneath the cylinder tube on the
Using the same method as
Extend the outrigger beam slightly for
described under REMOVAL, lower the stabilizer
improved access to the stabilizer cylinder; shut down
cylinder into the cylinder tube on the outrigger beam
until the retaining pin is just above the tube. Position
the jack so that it will support the cylinder in this
Tag and disconnect the hydraulic hoses from
position. Remove the lifting device from the cylinder.
the stabilizer cylinder.
Remove the retaining pin and cotter pins from
Remove the cylinder cap.
Place a jack capable of supporting the weight
Lower the jack until the holes in the cylinder
of the stabilizer cylinder at the base of the cylinder
rod align with the holes in the outrigger beam.
barrel. Jack up the cylinder just enough to relieve
Secure the cylinder in place with the retaining pin
any pressure on the cylinder retaining pin.
and cotter pins.
Remove the cotter pins securing the cylinder
retaining pin and remove the cylinder retaining pin.
Activate the hydraulic system.
Jack the stabilizer cylinder up just enough to
insert the retaining pin back into the cylinder. Insert
Extend and retract the stabilizer cylinder.
the retaining pin into the lugs on the cylinder and
secure in place with the cotter pins.
Check for smooth operation of the cylinder.
Check all hydraulic connections and hoses for
Use a nylon strap to remove the cylinder.
evidence of leakage.
This will ensure the retaining pin is not