Remove - TM-5-5420-279-230987

TM 5-5420-279-23

Remove

(1)

Ensure that the crane is in the folded position.

(2)

De-pressurise the hydraulic system. See unit maintenance procedure 5-118.

(3)

Remove the hydraulic pipes (2 and 3) from the pilot operated check valve (4).

(4)

Remove the four bolts (5) securing the pilot operated check valve to the lift cylinder (1).

(5)

Remove the pilot operated check valve (4).

(6)

Check all threaded components for damage or wear.

(7)

Replace components as necessary.

Install

(1)

Fit the pilot operated check valve (4) to the lift cylinder (1) with the four bolts (5).

(2)

Fit the hydraulic pipes (2 and 3) to the pilot operated check valve (4).

Follow on task

(1)

Check the operation of the crane in accordance with the operator's manual TM 5-5420-

279-10.

(2)

Check for hydraulic oil leaks.

6-243