Remove - TM-5-5420-279-230358

TM 5-5420-279-23

NOTE

The top bearing pads can be changed with the A-Frame deployed.

It is necessary to deploy the A-Frame, three launch beams and the far bank support. The

articulator cylinders must be disconnected from the slide frame and stowed. The A-Frame

must then be raised to allow access to the bottom wear pads on the upper sliding section.

Top view

Remove

(1)

The left and right A-Frame upper

sliding section (1) each have eight

bearing pads.

(2)

Note the position of each bearing pad

before removing it. The bearing pads

must be fitted in the same position

during installation.

(3)

Remove the socket head screws (2),

lock washers (3) and plain washers (4).

Discard the lock washers (3).

(4)

Slide the bearing pad holder (5) out of

the upper sliding section (1).

NOTE

The bearing pad (7) must be replaced

when the distance between the head of

screws (6) and the surface of the bearing

pad (7) is 1/16 inch (1.5mm).

(5)

Remove the screws (6) securing the

bearing pad (7) to the bearing pad

holder (5) and retain the shim(s).

NOTE

The shims are matched to the bearing pad

holders, keep them together for

installation.

(6)

Remove the bearing pad (7).

(7)

Inspect components for wear, damage

and corrosion.

(8)

Examine bolt heads and threads for damage.

(9)

Replace components as required.

5-102