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![]() TM 9-8140-381-14&P
f. With two persons, release safety bracket struts
h. Wait 5 minutes and remove throw cloth(s).
(2) by removing quick release pins.
i. If removed, cage contents may be reinstalled.
g. Raise and lower container cover 10 times.
Close and lock container (par. 1-7).
Section II. GAS SPRINGS
adjust position of cage until studs
2-6.
REMOVING/INSTALLING GAS
and gas spring holes align. Install
SPRING
gas spring and reinstall support
strut. Apply oil to support strut and
NOTE
stud before replacing nut.
Remove one gas spring at a time
until problem is corrected.
h. Apply light coating of oil to surface and threads
of both studs. Install new gas spring following
a. Lock both front caster brakes.
reverse procedures from removal.
b. Unlock the two locking devices or variations and
i. Remove hoist.
open cage cover (par. 1-6).
j. Close cage (par. 1-7).
c. Assure that safety bracket struts (fig. 1-5) are
engaged.
2-7.
ALTERNATE GAS SPRING
REMOVAL/ INSTALLATION PRO-
d. Position hoist in front of cage and attach lifting
CEDURE. (TO BE USED ONLY IF
hook to center of cage. Take up on hoist only
HOIST IS NOT AVAILABLE.)
until: all slack is removed from hoisting line or
chain.
a. Lock both front casters by turning brake lever on
casters clockwise.
e. Remove the nut from the upper end mounting
(cylinder end) of the gas spring using a 7/16-
inch wrench. The stud should be held from
b. Unlock two locking devices, raise front of cage,
turning using a 1/2-inch open-end wrench on the
and secure brackets (par. 1-6).
flats of the stud.
c. Assure safety brackets are engaged.
f. Remove the nut from the lower end mounting
(piston end) of the gas spring using a 9/16-inch
NOTE
socket and socket wrench. The stud should be
When one or more gas springs are
held from turning using a 1/2-inch open end
faulty, one or two additional persons
wrench on stud flats.
are required to lift the cage. Remove
one gas spring at a time until
g. To remove gas spring, grasp both ends and pull
problem is corrected.
simultaneously with equal force on both ends.
The gas spring should be freed from both studs
d. Remove self-locking nuts holding gas spring
at the same time.
with 7/16, 9/16, and 1/2-inch sockets and
wrench (pars. 2-6e and 2-6f).
CAUTION
Use a pry bar if necessary. Do not
e. While two persons support the weight of the
force pry bar against piston.
cage, pull gas spring from mounting studs using
procedure of paragraph 2-6g. If gas spring does
NOTE
not come off easily, an elongated hole is
If replacement of gas spring does not
provided in the lower mounting plates for the
line up with both studs, remove top
safety brackets to permit small adjustment in
nut on the support strut while two
WSC opening dimension. The adjustment is
persons support the weight of the
made as follows:
cage. Remove support strut and
2-4
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