- MAINTENANCE - AFTER SALE ASSISTANCE.
The TECHNICAL MANUAL of Moletron
Equipment is very detailed about the INSTALLATION operations and
the very few operations of MAINTENANCE.
It also contains sections
dedicated to remote after sales service.
The INSTALLATION of Moletron
Equipment may be carried out at yard or during a port call of 2-3
We foresee the presence of our
Service Engineer who gives proper assistance to the Staff in
charge of the installation and will instruct the Engineers Staff
on the topic of the expected results deriving from the new
parameters of the combustion process.
Usually, with the help of two days
manpower of an electrician and a pipe fitter, either from
shipyard or ship's crew, Volmar Service Engineer completes all
connections and calibrations.
At the end of this chapter you
will find two diagrams relevant to the operations of "erecting
the Moletron cabinet unit" and "how to install a
treatment cell in a fuel oil piping system".
The MAINTENANCE necessary to
ensure a long life to Moletron is very limited and consists in:
- weekly (or monthly) check the
electronic operation parameters as frequency, voltage and
feedback tracks that are shown on a digit display of each
- periodically cleaning the
probes installed in fuel oil filters, probes that catch
iron or nickel particles contained into the fuel oil.
- twice a year paying an
internal visit to treatment cell and clean them from
trapped magnetic particles that may have escaped the
For the AFTER SALES ASSISTANCE,
the presence on board of a Volmar Service Engineer - which Volmar
or Volmar Agent assure on request - is very seldom required.
Usually, Chief Engineers are able
to carry out very well by themselves the tasks outlined in the
remote after sales assistance,
- availability of English
speaking Engineers who answer questions posed by
Superintendents, Chief Engineers, Technicians and
Electricians - either via telephone, fax or Internet.
- replacement of missed
Technical Manuals, or supply of their translation in
M O L E T R O N _
E Q U I P M E N T - GENERATORS CABINET
L e g e n d:
- Front view of Moletron
- Side view of cabinet with
- Electrical junction box (see
detail at "D3").
- Four shock absorbers.
- Four spacers to allow
ventilation at back of the cabinet.
- Bulkhead (or joist, or beam,
- Steel frame-bracket, to be
welded at (6).
- Four bolts: for model 40 are
6 x 20 mm
................for model 50 are 8 x 30 mm
- Cabinet lugs.
- Cabinet steel plate.
- Counter bracket: CAUTION,
NEVER WELD ON COUNTER BRACKET.
- Bolts and nuts are threaded 8
MOLETRON CABINET UNIT
The choice of the place where
generators cabinet are to be installed is very important
for the correct operation of generators.
The supporting structure (bulkhead,
joist or column or beam) where cabinets have to be fixed, must
possess FOUR DISTINCT FEATURES:
- Must be located in a
ventilated place (possibly close to the hull)
- Must be in an area of minimal
- Must offer to each cabinet a
space 200 mm wider than dimensions of A + B + C.
- The foreseen distance from
cabinets to treatment cells must not exceed the length of
the supplied coaxial cable connecting treatment cells to
generators. However it has to be taken into account up
and down of cable run and other details shown on
welding operations, make sure that the Chief Engineer has
obtained the necessary authorisations, and that SAFETY is
guaranteed in the installation area, included the room beyond the
bulkhead on which the bracket has to be welded.
Do not neglect to install the 4
shock-absorbers, supplied with each unit. They absorb ship
vibrations and cut interaction between ships vibrations and
the inner vibrations of the generator.
HOW TO INSTALL A
TREATMENT CELL IN A FUEL OIL PIPING SYSTEM
treatment cell is supplied with blank mating flanges, to
be bored and machined on the spot to match the diameter
of the existing fuel pipe.
|Max. F.O. flow
||2" or 50
||2-1/2" or 65
||3" or 80
||4" or 100
|L B F
|bolt holes n.
possible, the pipe welding should be carried out in a
workshop where the section of the fuel pipe to be
modified can be put into pipe sets and flange guides to
facilitate the most accurate installation of the
In case of flange welding in
site, a proper plug of wet cloth must be put in the
hanging pipe, to prevent fire ignition inside the piping
Make sure that this plug has
been withdrawn before reconnecting the pipe.
The treatment cells must be
installed in accordance with the direction of the fuel
flow in the piping system (follow the arrow printed on
Do not allow the fuel to flow
through the treatment cells before each
Transducer-Inducer is connected to the appropriate
Generator, i.e.: the cell installed before the
preheater(s) must be connected to the MCO Generator, the
one installed after the preheater(s), to the MWO