Remove - TM-5-5420-279-230807

TM 5-5420-279-23

Remove

(1)

Remove the far bank support see unit maintenance procedure 5-074.

(2)

Remove launch frame guards. See operator's manual TM 5-5420-279-10 Chapter 10.

(3)

Remove winch cables from upper (3) and lower (2) winch drums completely see direct

support maintenance procedures 6-014 and 6-015.

(4)

Remove the far bank carriage see direct support maintenance procedure 6-027.

(5)

Remove the home bank carriage see direct support maintenance procedure 6-027.

(6)

Remove the forward launch beam from the launch frame.

(7)

Attach slings to launch frame (1) and support weight of the launch frame with a crane and

the slings.

(8)

Withdraw the shoot bolts (6) that attach the articulator cylinder cross member (5) to the

slide frame.

(9)

Retract and stow the articulator cylinders (4).

(10)

Depressurize the hydraulic system see unit maintenance procedure 5-118.

(11)

Note the position of and disconnect the launch frame energy chain flexible hydraulic pipes

and electrical cables at the two bulkheads (7 and 10) on the A-Frame upper cross member,

one on each side of the launch frame. Fit protective caps to the exposed ends of the

hydraulic and electrical connectors.

(12)

Remove the two semi-circular lower bearing caps (8 and 9) that attach the launch frame to

the A-Frame upper cross member see unit maintenance procedure 5-032.

(13)

Lift the launch frame vertically off the A-Frame then carefully lower it onto suitable

supports. Ensure the launch frame is supported to avoid damage to hydraulic pipes and

electrical cables.

NOTE

The launch frame lower (fiber) bearing elements are attached to the lower (semi circular)

bearing caps with adhesive. The upper (fiber) bearing elements are loose, ensure they are

retrieved when the Launch Frame is removed from the A-Frame.

(14)

Refer to the relevant maintenance procedure when changing assemblies associated with

the Launch Frame.

Install

(1)

Fit the upper launch frame bearing caps (8 and 9) to the upper center A-Frame beam.

(2)

Lift the launch frame (1) on to the A-Frame.

(3)

Fit the semi-circular lower bearing caps see unit maintenance procedure 5-032.

(4)

Remove the protective caps to the exposed ends of the hydraulic and electrical connectors.

(5)

Fit the launch frame energy chain flexible hydraulic pipes and electrical cables at the two

bulkheads (7 and 10) on the A-Frame upper cross member, one on each side of the launch

frame in the positions noted during removal.

(6)

Extend the stow cylinders until the articulator cylinders (4) are vertical.

(7)

Attach the articulator cylinder cross member (5) to the slide frame with the shoot bolts (6).

(8)

Remove the slings and crane.

6-63