Remove - TM-5-5420-279-230430

TM 5-5420-279-23

Remove

(1)

Make a note of the location and orientation of all components in the upper winch rope

tensioner assembly.

(2)

Disconnect the two tension springs (2) from the tension arms (1).

(3)

Remove the four screws (12) that secure the pivot arm assembly (4) to the pivot shaft (10).

(4)

Remove the two spring pins (3) and the single screw (13) that hold the tension arms (1) to

the pivot shaft (10).

(5)

Ensure that there are no burrs around any of the holes in the pivot shaft (10) that could

damage the bushings in the two mounting collars (11) bolted to the winch frame.

(6)

Carefully withdraw the pivot shaft (10) from the mounting collars (11) and remove the pivot

arm assembly (4) and tension arms (1).

(7)

Discard the two spring pins (3).

(8)

Examine all components for damage and corrosion.

(9)

Check for free rotation of the roller (5) on the pivot arm assembly (4). If the roller (5) does

not rotate freely and the bearings (6) do not rotate, remove the two setscrews (9) from the

pivot arm assembly (4).

(10)

Remove the roller (5), roller shaft (7), washers (8) and bearings (6).

Install

(1)

Apply thread locking compound to the setscrews (9).

(2)

Replace the two bearings (6) in the roller (5) and reassemble the roller shaft (7), roller (5),

washers (8) and bearings (6) to the pivot arm assembly (4) using the two setscrews (9).

(3)

Pack the area between the exterior end faces of the bearings (6) and the inside faces of

the pivot arms (4) with grease.

(4)

Carefully feed the pivot shaft (10) through the tension arms (1) and the mounting collars

(11).

(5)

Fit the two tension arms (1) to the pivot shaft (10) with two new spring pins (3) and the

screw (13).

(6)

Apply thread locking compound to the screws (12).

(7)

Ensure the tension arms (1) are fitted to the pivot shaft (10) so the depressions in the pivot

shaft (10) align with the four pivot arm assembly screws (12).

(8)

Align the screws (12) with the depressions in the pivot shaft (10) and tighten.

(9)

Attach the tension springs (2) to the tension arms (1).

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