In order to Check the exchanger tube stack.
- Remove the covers.
- Remove the tube stack (except on fuel cooler)
and clean it with water and no corrosive acid
(local market).
- Rinse out with fresh water.
- Replace the O-rings and remount the tube stack
and the covers.
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WARNING: Corrosive products may hazard-
ous to your health. Read the instructions on the
product label carefully
Fuel filter cartridge replacement.
The engine fuel filter is a disposable-type filter.
- Close the fuel valve
- Unscrew the cartridge from the head of the fuel
filter assembly.
- Coat the gasket of the new cartridge with en-
gine lubricant.
- Screw the new cartridge onto the filter head,
and then tighten it by hand 3/4 of a turn (do not
use tools).
- Open the fuel valve.
- Energizing the system.
- Start the engine and check waterproof ness.
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CAUTION: - Always dry off any spilled fuel
- Follow the environmental protection instructions
Fuel injectors replacement
Remove:
- The High-pressure fuel delivery pipes.
- The fuel return piping
- The complete injector
- Dismantle the injector
- Replace the injector gasket and nozzle
- Test the injector opening pressure and spray
pattern.
- Re fit all the removed parts.
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WARNING: Do not allow diesel fuel to spray
onto your skin - wear gloves
IMPORTANT:
This work must be performed by
an authorised NANNI DIESEL engine repair facil-
ity. The injectors should be checked every 400
hours or every 2 years, according to maintenance
board and SILVERWAKE® booklet.
Engine oil change
The oil change accessory pump removes the en-
gine oil, preferably when the engine is slightly
warm.
- Pump until the engine is completely drained.
- Refill to full level with new motor oil
- Check the level with the use of the dipstick
- Do not exceed the maximum level.
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WARNING: Hot oil can burn you - Avoid all
contact with your skin
Respect the environmental protection regulations
Replacement of the oil filter
The cartridge is of the disposable type
- Join a pipe on the filter head pan and connect it
to a container
- Unscrew the cartridge from the head of the fil-
ter.
- Coat the gasket of the new cartridge with en-
gine lubricant.
- Screw the new cartridge onto the filter head,
then tighten it by hand 3/4 of a turn (do not use
tools)
- Check that the filter does not leak when the en-
gine is running
- Stop the engine and add motor oil between the
low and full marks.
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WARNING: Hot oil can burn your - Avoid all
contact with your skin
Respect the environmental protection regulations
Reversing gearbox
Refer to detailed instructions in the reversing
gearbox manual attached to the Owner ‘s manual
Reversing gear box control system
Verify the remote controls regularly. The cable
stroke should be 35 mm on both sides of dead
centre
(O - A = O - B). The lever must be able to move
freely to its stroke limits.
Mind the levers position!
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DANGER:
To avoid bodily injury do not start
the motor without the air Filter
IMPORTANT:
Allow the engine to idle before
stopping the engine
