Aqua Lung Calypso Manuel d'entretien - Page 13

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1. Disassembly Procedures

Calypso/Titan Second Stage Service Manual

SYMPTOM

Leak or freeflow at 2nd Stage

Insufficient purge flow or work of

breathing too high

Water leak in 2nd stage during

inhalation

NOTE:

more information, contact Aqua Lung's Technical Services Department for assis-

tance with problems not described here.

CAUTION:

lator must be performed during a complete overhaul, according to the pre-

scribed procedures for scheduled, annual service. Do not attempt to perform

partial service.

Table 1 - Troubleshooting Guide

POSSIBLE CAUSE

1. MP too high

2. The LP seat (23) is worn or dam-

aged

3. The crown orifice (23) is not cor-

rectly adjusted

4. The lever (18) is bent

5. The crown orifice (14) is damaged

6. The lever (18) adjustment is too high

1. MP too low

2. The lever (18) adjustment is too low

3. MP hose (25) obstructed

4. The lever (18) is bent

1. Hole in mouthpiece (6)

2. Diaphragm (3) is damaged

3. Exhalation valve (10) damaged

4. The diaphragm (3) is not correctly

fitted between the casing (4) and the

washer (2)

5. The casing (4) is damaged

6. The o-ring (8) is damaged

This is a partial list of possible problems and recommended treatments. For

Recommended treatments which require disassembly of the regu-

TREATMENT

1. Refer to First Stage Trouble-

shooitng Guide

2. Replace the LP seat

3. Readjust the crown orifice

4. Replace the lever

5. Replace crown orifice

6. Unscrew the locknut (16)

1. Refer to First Stage Trouble-

shooitng Guide

2. Readjust the lever and the valve

3. Clean or replace the hose

4. Replace the lever

1. Replace the mouthpiece

2. Replace the diaphragm

3. Replace the valve

4. Disassemble the cover and refit the

assembly correctly

5. Check the sealing face of the exha-

lation valve. Replace the casing.

6. Replace the o-ring