Install - TM-5-5420-279-230472

TM 5-5420-279-23

(4)

Remove the two screws (5) and the lock washers (6) which lock the end cap (7) to the

roller shaft (8), remove the end cap (7), mark the end cap to ensure correct orientation and

position when refitting. Retain the end cap spacers. Discard the lock washers (6).

(5)

Repeat operations 2, 3 and 4 at the opposite end of the top roller assembly (1).

(6)

Support the carriage by placing a block of wood under the carriage cross member and

remove the sling.

(7)

Attach the sling to the roller.

(8)

Move the roller assembly (1) to one side and then lift the top roller assembly (1) clear using

the sling and crane.

(9)

Examine the end caps (7) for wear and distortion.

(10)

Examine the roller shaft (8) for wear and distortion.

(11)

Examine bolt heads and threads on screws for damage.

(12)

Examine all components for damage and corrosion.

(13)

Replace as necessary.

Install

(1)

Lift the top roller assembly (1) into position using the sling and lifting device.

(2)

Fit the top roller assembly (1) into the carriage.

(3)

Remove the sling.

(4)

Support the weight of the carriage with the sling in position B and remove the wooden

block.

(5)

Apply anti-seize compound to the roller shaft.

(6)

Fit the two spacers and end caps (7), ensure that they are correctly fitted and orientated.

NOTE

It may be necessary to release tension and allow for the alignment of the Roller Assembly

in the Carriage.

(7)

Fit the two screws (5) the lock washers (6) and lock the end cap (7) to the shaft (8) using

thread-locking compound on the screw threads.

(8)

Repeat step 7 at the opposite end of the top roller assembly (1).

(9)

Align the flat on the end cap (7) to allow the fitting of the locking plate (4).

(10)

Fit the locking plate (4) and secure with the screws (2) and lock washers (3) using thread-

locking compound on the screw threads.

(11)

Repeat operations 9 and 10 at the opposite end of the top roller assembly (1).

(12)

Fit the grease fittings at each end of the top roller assembly.

(13)

Grease the top roller assembly through the grease fittings.

(14)

Check the top roller assembly (1) for free rotation.

(15)

Remove the sling.

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