Alfa Laval PureBallast 135 Compact USCG, System Manual

Page: 285 / 412

7.2 Maintenance schedule
Follow this maintenance schedule to secure performance, safety and durability
of the system and its components. The schedule is sorted per component. The
table refers to instructions usable when performing the respective action.
Component Action Time interval Instructions Notes
General
Testrun the system:
Run a ballast
and/or deballast
process. Follow up
with a CIP process.
Note : If system is
used, but certain
valves are not
used, for example
V212–31, those
should be opened
and closed
manually. For relief
valves, see
Calibration
schedule.
Once a month.
See Operating
instructions and
control system
description on
page 39
Manual operation
of valves: See
Valves on page
311.
If the system, for some
reason, is not operated by
normal ballast operations, it
needs to be run to verify
that it is in good condition.
This will also exercise the
valves, actuators and other
components to keep them in
good condition.
Inspect for
corrosion and
erosion damage.
Once a year.
Calibration of
sensors
According to
Calibration
schedule on page
282.
See Calibration
schedule on page
282.
Electrical
cabinet
Check air filter. Every six month.
Upper filter:
Change filter mat
when dirty.
Lower filter: Wash
with hot water and
degreasing liquid
when dirty.
Filters:
9017400 02
.
UV reactor
Outer inspection of
seals for leakage.
Once a year.
See Spare parts catalogue
for service kit.
Check UV lamps
for leakage.
Once a year.
See Disassemble
quartz sleeve on
page 293.
See Spare parts catalogue
for service kit.
Replacement of UV
lamps.
Recommended to
change all lamps
after 3000 hours of
operation
See Replace UV
lamp on page 291.
See Recommended spare
parts on board for spare
part number.
Replacement of UV
sensor (QT201–50)
IMO requirement:
Every second year.
EPA requirement:
Every year.
9001357 01
Check relief valve
RV201–23.
Once a year.
Dismount the valve
and make sure you
can blow air
through it from the
inside out.
200000695-1-EN-GB 280
7 Service manual EN