Danfoss Semco SEM-SAFE - MSC.1;Circ. 1432 Maintenance for Marine Units

END USER MANUAL
OPERATION AND MAINTENANCE OF HIGH PRESSURE WATER MIST PUMP UNIT
REVISION 4, MAY 2016
PAGE 45 / 48
5
Float valves in
unit tank
Float valves supplying water the unit tank shall be checked for correct
function.
6
Filters and
strainers
Filters in the water supply to the unit shall be inspected and cleaned as
necessary.
Maintenance of marine units according to MSC.1/Circ. 1432 5.4
These guidelines apply to all ships and provide the minimum recommended level of maintenance
and inspection for fixed fire protection systems.
Onboard maintenance and inspection should be carried out in accordance with the vessels
maintenance plan, which should include the minimum elements listed in sections 4 to 10 in the
MSC.1/Circ. 1432 guidelines.
Weekly test and inspection
1
Verify all UCP indicators and alarms are functional (lamp test).
2
Visually inspect the pump unit and its fittings.
3
Check pump unit valve positions, if valves are not locked, as applicable.
4
Verify unit tank water level.
Monthly inspections should be carried out to ensure that indicated actions are taken for the specified
equipment.
Monthly test and inspection
1
Verify all unit control or stop valves are in proper condition, and in the right open or closed
position.
2
Test automatic starting arrangements on all unit pumps as designed.
3
Verify unit standby pressure.
4
Check unit audible and visual alarm devices for proper function.
In addition to the monthly test schedule, the following check and inspections should be carried out
at least every 12 months, to ensure that the indicated actions are taken for the specified equipment.