23- Important rules for your cargo operation.pdf
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431 KB
)
Pobierz
No. 23 - 2000
Frank Mohn Services AS
Service Bulletin
Keep you up to date with the latest news from Frank Mohn Services AS
Important Rules For Your Cargo Operation
Importa
1.
Purge the cargo pump's
cofferdam according to the
purging routine booklet.
Record the purging results in
the booklet.
2.
Avoid pressure peaks in
the cargo line during
loading, by starting the
loading slowly.
Remember max. loading pressure:
8 bar.
3/4 at 40
o
C
3.
Check the hydraulic oil level
in tank prior to all discharges.
Normal level is 3/4 on the level
glass at 40 °C.
4.
Start only the required number of
power packs. See technical data for
deliveries and consumption.
Remember to stop the power
packs, when the cargo pumps have
been stopped.
ant Rules For Your Cargo Oper
5.
Always start the cargo pumps with the
discharge valve closed.
Raise the cargo pump pressure above the
shore line pressure before opening
the cargo valve to avoid
backflow/overpumping.
6.
Adjust the hydraulic system
pressure as low as possible
(about 15 - 25 bar above the
highest, or highest cargo pump or
consumer).
7.
It is recommended to operate
several cargo pumps, each at
reduced capacity, to meet the
required pumping rate.
NOTE!
2 pumps at
100% capacity
is the same as
4 pumps at 50%.
The advantage is reduced hydraulic system pressure.
ration
8.
Reduce the pumping
capacity towards the end of
the discharge.
Avoid hunting
and dry-running.
9.
Strip against the lowest back-pressure
possible.
Blow the deck-line empty
before starting the stripping
of the pump pipestack.
10. Avoid dry-running of
the cargo pumps
during tank cleaning.
Water flow in
-
must be equal to
water flow out.
For more spesific details, please
see your
Instruction Manual!
Plik z chomika:
Yosel
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