Aqua Lung LEGEND LX SUPREME Service Manual download pdf (Page 11)

FIRST TO DIVE 11

Table 1. Troubleshooting Guide

SYMPTOM POSSIBLE CAUSE TREATMENT

1. MP too high

1. Refer to First stage Troubleshooting

Guide

2. The valve (18) is worn or damaged. 2. Replace the valve

Leak or free flow at 2

stage

3. Le seat (9) is not correctly adjusted 3. Readjust the seat

4. Le lever (8) is bent 4. Replace the lever

5. The sealing face of the seat (9) is

damaged.

5. Replace the seat

6. The spring (19) is damaged 6. Replace the spring

1. MP too low

1. Refer to First stage Troubleshooting

Guide

2. The valve (9) is not correctly adjusted,

the lever adjustment is too low

2. Readjust the lever and the valve

Insufficient purge flow or work of

breathing too high

3. MP hose obstructed 3. Clean or replace the hose

4. Le lever (8) is bent 4. Replace the lever

1. Hole in mouthpiece (17) 1. Replace the mouthpiece

2. Diaphragm (13) damaged 6. Replace the diaphragm

3. Exhalation valve (27) damaged 7. Replace the valve

Water leak

4. The venturi control O-ring (24) is dirty,

worn or damaged

4. Replace the O-ring

5. The diaphragm is not correctly fitted

between the casing (1) and the washer (14)

5. Disassemble the purge button and

refit the assembly correctly

6. The casing is damaged.

6. Check the sealing face of the

exhalation valve. Replace the casing

7. The O-ring (4) is damaged. 7. Replace the O-ring

8. The insert O-ring (4) is damaged. 8. Replace the O-ring

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Aqua Lung LEGEND LX SUPREME Service Manual Page 11