Install - TM-5-5420-279-230375

TM 5-5420-279-23

(5)

Remove the A-Frame folding walkway from the A-Frame.

(6)

Unfold the outer (5) and inner (6) walkways.

(7)

Remove the spring pin (9) from hinge 'x'.

(8)

Remove the pin (7) and retain the washers (8) if required.

(9)

Remove the bushing (10).

(10)

Remove the outer (5) and inner (6) walkways.

(11)

Check the bushing (4) in hinge 'y' for wear and damage.

(12)

Check the washers from hinge 'x' for wear damage.

(13)

Check the bushing (10) in hinge 'x' for wear and damage.

(14)

Check the pins from both hinges for wear and damage.

(15)

Replace components as necessary.

Install

(1)

Apply grease to the bushing (4) and (10)

(2)

Fit the bushing (4) and (10) to their respective hinges if removed earlier.

(3)

Fit the outer (5) and inner (6) walkways to the A-Frame walkway (1).

(4)

Insert the pin (3) through hinge 'y'.

(5)

Insert the spring pin (2) through pin (3).

(6)

Insert pin (7) through hinge 'x', ensure that the washers (8) are in position.

(7)

Fit the spring pin (9) through the pin (7).

(8)

Fit the outer guide roller hydraulic motor. See maintenance procedure 5-017.