Aqua Lung LEGEND LX SUPREME Service Manual download pdf (Page 9)

FIRST TO DIVE 9

17. Lever adjustment: Connect the tool (122046) to the

second stage and the MP hose to the tool. Connect this

assembly to a Legend first stage adjusted as follows :

Legend LX: MP = 9.5 bar ± 0.5 bar

Legend LX Supreme: MP = 8.5 bar ± 0.5 bar

18. Fit the diaphragm (13) in the casing. Press all around

the edges with a finger to ensure that it is in place. Fit

the washer (14) directly in contact with the diaphragm.

19.

After tightening the diaphragm retainer (15), hold the top

of the diaphragm and gently pull it in all directions to

ensure that it is firmly in place in the housing. If not, refit

it.

20. Fit the purge button in position by ensuring that the

“ Legend “ plate is the right way up. Fit the bumper

(30) to the outer ring (2). While holding the purge button

screw the ring fully home. Use the lug spanner (129198)

to tighten the ring an additional 1/16 of a turn maximum.

21. Checking the venturi

a. Place the venturi control in the “ + “ position.

b. Press on the purge button. The regulator should

free flow

c. While the regulator is free flowing, move the control

to the “ – “ position. The free flow should stop

immediately. If it does not stop, screw the seta in

1/8 turn and try again.

22. Turn off the air supply and purge the second stage.

Tighten nut (5) using a 17 mm torque wrench at 0.5

m.kg

23. Refit the mouthpiece (17) onto the casing. If it is a

Comfobite mouthpiece, check that the support section is

on top. Fit the mouthpiece strap (29) into its groove.

The collar lever should point down on the hose side.

24. If the regulator is a Legend Supreme, fit the lip shield

(36) over the mouthpiece and against the mouthpiece

strap.

Manually screw the

diaphragm retainer

(15) fully home, flat

face toward the

diaphragm. Use tool

(129001) to tighten it

an additional ¼ turn.

Put the regulator under

pressure. Slide tool

(129001) along the top

edge of the casing. In the

highest position the tool

should press on the

lever, causing an airflow.

In the lowest position the

stage should not leak

air. Adjust the seat using

the tool until the

adjustment is correct.

Put at + and purge

Put at – to stop free flow

Note: If you have a regulator Test Bench, carry

out these tests before refitting the mouthpiece.

Instructions for the check are given in the

aragraph Final Checks

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 18 19

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Aqua Lung LEGEND LX SUPREME Service Manual Page 9

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