pravilnik o zvanjima i ovlašćenjima o osposobljenosti pomoraca

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9. Check:
9.1. air filters
9.2. filters
9.3. dryers
10. Maintenance of the air
system
A lot of accidents in the past were related to improper compressed air system. Compressed air is very important on board, because
pneumatic control works with compressed air. Apprentice must be acquainted with work of the pneumatic control. Talk with senior
engineers about:
– What is the meaning of over pressure prevention in the air bottles and piping?
– What are the possible effects of the fire in engineroom to air bottle?
– What are the reasons of humidity presence in the air?
– Why humidity must be removed from compressed air?
16. REFRIGERATING PLANT
TASKS
SERIAL
NUMBER
OF THE
SHIP
DATE
TASK DONE
DUTY
OFFICER
CHIEF ENG.
SIGNATURE
REMARKS
1. Start the ship’s refrigerating
plant
2. Check the starting and
stopping procedure
3. Control and record working
temperatures
4. explain influence of the
cooling water temperature
5. Fill up the condensers
6. Make brine
7. Check density of the brine
8. Check air-conditioning unit
9. Check equipment for humidity
control
Refrigerating plant is constructed in a way to work without any problem. Talk with senior engineers about:
In case of gas leakage, how the place can located and how to solve the problem?
– Is it necessary that in case of temperature rise, gas quantity in the system have to be increased?
– In case that air enters the system, what will be the working effects?
– How to eliminate air from the system?
– How to check automatic control?
17. AUXILIARY INSTALLATIONS
TASKS
SERIAL
NUMBER
OF THE
SHIP
DATE
TASK DONE
DUTY
OFFICER
CHIEF ENG.
SIGNATURE
REMARKS