TM 5-3810-307-24-1-1
LOCKOUT CYLINDERS
DESCRIPTION
Two 3.5-inch (8.9-cm) hydraulic lockout cylinders are
each side of the axle. The lockout cylinders are
installed on each axle, one left and one right. The
connected hydraulically so that hydraulic oil flows from
base end of each cylinder is attached to each side of
the left cylinder to the right cylinder and from the right
the carrier frame and the rod ends are attached to
cylinder to the left cylinder.
MAINTENANCE
NOTE
nut, lockwasher, and cotter pin securing the barrel end
to the fitting on the frame.
Refer to CYLINDERS in Section 8 for
disassembly and assembly procedures.
8.
Tap out the retaining pin and remove the
cylinder.
REMOVAL.
INSTALLATION.
1.
Raise the crane up on outriggers.
1.
Position the barrel end of the cylinder in the
2.
Raise the boom enough to deactivate the micro
frame attach fitting and tap in the shaft (Figure 2-6-1).
switch on the boom rest and lock out the oscillation
cylinders.
2.
Install the cotter pin, nut, bolt, and lockwasher.
Torque the bolt to 75 pounds-foot (102 Nm).
3.
Remove the wheel.
3.
Align the rod end of the cylinder in the fitting on
4.
Tag and disconnect both hydraulic hoses from
the axle and tap in the shaft.
the ports on the cylinder (Figure 2-6-1). Cap both
hoses and the ports on the cylinder.
4.
Install the cotter pin, lockwasher, bolt, and nut.
Torque the bolt to 75 pounds-foot (102 Nm).
5.
At the rod end of the cylinder, remove the bolt,
nut, lockwasher, and cotter pin securing the retaining
5.
Connect the two hydraulic hoses to the
pin to the fitting on the axle.
appropriate ports on the cylinder, and bleed cylinder.
Refer to Section 4 - AXLES.
6.
Tap out the retaining pin, freeing the rod end
from the cradle fitting.
6.
Install the wheel and follow the proper tightening
sequence. Refer to Section 4 - AXLES.
7.
At the barrel end of the cylinder, remove the bolt,
7.
Grease both ends of the cylinder using the
fittings provided.
