Aqua Lung Kronos Instrukcja Obsługi Pobierz pdf (Strona 10)

10 Kronos First Stage Service Manual

15. Fit the spring base (127565), the spring (127567), and

the washer (127568).

16. Fit the MP screw (127566) then fit the washer (127586).

17. Reassembly of the dry chamber (Kronos Supreme)

Fit the diaphragm (119159) into its position in the dry

chamber (127577). Tighten the chamber at 2.5 m.kg

using the tool (122152)

18. Fit the washer (127587), the spring base (127565), the

spring (127567) and the washer (127568).

19. Screw the MP adjusting screw (127566) until you see

the first threads of the dry chamber.

ADJUSTING THE FIRST STAGE

a. Screw an MP gauge (0-25 bar) into one of the MP ports.

If the gauge is not fitted with an over-pressure valve,

then it is vital that the second stage is fitted so that it can

act as an over-pressure valve in the event of an HP leak.

b. Connect the first stage to a cylinder charged to 200bar.

Slowly open the cylinder valve to put the regulator under

pressure.

Once the MP has been adjusted, purge the second

stage about ten times. When this is finished check the

pressure gauge. The MP should be stable at the desired

value (8.5b or 9.5b depending on the regulator). Make

any further adjustments that may be necessary. Leave

the regulator under pressure for several minutes and

check that the MP remains stable. If the MP rises more

than 0.3 bar this indicates that there is a leak. Refer to

Table 1. Troubleshooting Guide.

20. Close the cylinder valve and completely purge the

regulator. Put the regulator under pressure once more

and check that the MP is stable.

If the MP is different, repeat steps 3 and 4 until a stable

pressure is obtained.

Attention: if the MP indicated rapidly

exceeds 9.5bar then this indicates a

HP leak. Close the cylinder valve

immediately and purge the regulator.

Refer to Table 1. Troubleshooting

Guide.

c. After checking that there is no leak, adjust the MP by

turning the adjusting screw: Screwing in increases the

MP, unscrewing reduces the MP.

Turn the screw by increments of 1/8 of a turn and purge the

regulator several times, using the second stage, after each

increment. Adjust the MP (see Table 5).

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 22 23

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