HI-FOG 1900 Процедура виявлення та виправлення - Сторінка 12

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18/09/2017

c. Check that the system stabilizes to stand-by pressure (25 bars if not

otherwise indicated). (Person A)

d. Check that there are no leaks from the installed sprinklers. (Person B and C)

e. Remove the plug from the flushing valve and connect the flushing hose to

the flushing valve. Make sure that you can hold the flushing hose firmly with

both hands during the system flushing and point it to a place where water

can be safely sprayed. (Person B and C)

NOTE: The water exits the hose with high pressure. Be sure that you can

hold the hose firmly with both hands!

f. Open the flushing valve to create flow in the system. (Person C)

g. The pump unit should activate within 1 minute.

h. Check from the control / mimic panel or the ship automation system that the

pump unit starts and verify that the correct section gives the correct alarm.

Reset the audio alarm from the buzzer reset/acknowledge button. (Person

i. Let water flow from the hose for a couple of minutes to flush the section.

(Person B and C)

j. Close the flushing valve. (Person C)

k. Reset the system from the control panel after the flushing valve has been

closed and the system has reached 130 bars pressure. (Person A)

l. Check that the system stabilizes to stand-by pressure (25 bars if not

otherwise indicated). (Person A)

m. Disconnect the flushing hose from the flushing valve and install the plug

back into place. (Person C)

After competing these steps proceed to the next section in the work plan.

4.4. Post Actions

After finalizing the corrective actions in all sections, the system should be put

back into normal standby mode and the nitrogen accumulator unit should be

switched back on / reconnected. (see

NOTE: Make sure that there is no activation demand on for the HI-FOG

system before reconnecting the nitrogen accumulator units!

Inform the bridge and ECR that the work is completed and the system is

in normal stand-by mode.

Send the filled Follow-Up form to Marioff [email protected]

Document number 0003301084

Figure 06

Ver. A

Figure 07

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