Install - TM-5-5420-279-230624

TM 5-5420-279-23

NOTE

The directional control valve (1), check valve body (2), pressure compensating valve (3)

and screws (12 and 13) can be removed following the same procedure.

Install

(1)

Check that all mating surfaces and ports are clean.

(2)

Apply thread-locking compound to all screws.

(3)

Apply a thin layer of clean hydraulic fluid to all new seals.

(4)

Ensure that the line drawn on the valve body during removal is aligned.

(5)

Fit the pressure compensating valve (6) with four seals (5) to the manifold block (4). Check

that the seals (5) are fitted correctly.

(6)

Fit the check valve body (7) with four seals (5) to the pressure compensating valve (6).

Check that the seals (5) are fitted correctly.

(7)

Secure the check valve body (7) and pressure compensating valve (6) to the manifold

block (4) with four screws (10).

(8)

Fit the pressure reducing valve (8) with four seals (5) to the check valve body (7). Check

that the seals (5) are fitted correctly.

NOTE

If a cartridge throttle (14) was fitted to the pressure port, 'P' channel of the directional

control valve (9) fit it to the directional control valve (9).

(9)

Fit the directional control valve (9) with four seals (5) to pressure reducing valve (8). Check

that the seals (5) are fitted correctly.

(10)

Secure the directional control valve (9) and pressure reducing valve (8) to the check valve

body (7) with four screws (11).

Follow on tasks

(1)

Fit the electrical connections to the directional control valve (9) in the positions noted

during removal.

(2)

Switch the battery shutoff switch to the on position.

(3)

Check the operation of all applicable hydraulic circuits.

(4)

Check for leaks.

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