Section II. GAS SPRINGS

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