TM 5-3810-307-24-1-1
EXTENSION CYLINDER
DESCRIPTION
Two outrigger extension cylinders are utilized within
The extended length of the cylinders from the center
each outrigger box assembly.
The extension
of the rod bushing to the center of the barrel bushing
cylinders provide the force for the outrigger beam's
is 149.6 inches (380.0 cm). It is attached to the
horizontal movement. The cylinders have a 2.5 inch
outrigger box by means of a pin through a clevis on
(6.35 cm) diameter bore and are the double acting
the barrel end of the cylinder. Attachment of the rod
type. Each cylinder has a retracted length of 84
end to the outrigger beam is by means of a pin
inches (213.4 cm) measured from the center of the
through a bushing.
The cylinder weighs
barrel bushing to the center of the rod bushing.
approximately 81 lbs (36.7 kg).
MAINTENANCE
NOTE
INSTALLATION.
Refer to CYLINDERS in Section 8 for
1.
If removed, install the clamp assembly onto the
Disassembly and Assembly of the
cylinder.
cylinder.
2.
Tilt the cylinder so the clamp assembly will
clear the access hole and place the cylinder in the
REMOVAL.
beam.
1.
Remove the outrigger beam, refer to OUTRIG-
3.
Position the extension cylinder so the hydraulic
GER BEAM - REMOVAL in this Section.
port on the rod end of the cylinder can be accessed.
Connect the hydraulic hoses to the ports as tagged
2.
Remove the cotter pin and clevis pin securing
during removal.
the rod end of the extension cylinder to the outrigger
beam.
4.
Push the cylinder into the outrigger beam.
Align the cylinder rod with the clevis in the beam and
3.
Pull the extension cylinder from the outrigger
secure in place with the clevis pin and cotter pin.
beam until the hydraulic hoses on the rod end of the
cylinder can be accessed. Tag and disconnect the
5.
Install the outrigger beam, refer to
hoses from the rod end of the cylinder.
OUTRIGGER BEAM - INSTALLATION in this
Section.
4.
Pull the cylinder to the end of the beam. Tilt it
so the clamp assembly will clear the access hole in
FUNCTIONAL CHECK.
the beam and remove the cylinder.
1.
Activate the hydraulic system; extend and
5.
If necessary, remove the clamp assembly from
retract the outrigger.
the cylinder.
2.
Observe the operation of the outrigger beam.
3.
Check the hydraulic connections for any
evidence of leakage.
