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Operator's instructions
8. Options
The operations to be performed specifically for the BPF R620 system are the following:
This operation must be done by AC Service
Verify backpressure upstream of the filter at least every 6 months
Verify the smoke opacity of the exhaust gases upstream the filter at least every 6 months
Check/clean/drain the “Pressure sensor protection” gas filter at least every 6 months
Cleaning/replacing the particulate filter: annually (and in any case whenever alerted by the
status LED)
o Flushing with air in the opposite side of exhaust flow for 30 minute at 7 bar.
o Heat the filter in a hoven at 650 °C for 4 hours
o Flushing with air in the opposite side of exhaust flow for 30 minute at 7 bar.
Checking and if necessary replacing the additive filter (downstream of the delivery pump): at
least every 6 months
Replace the particulate filter (if fitted with a catalytic coating): every 10000 hours.
Replace the oxidation catalyst (if present): every 10000 hours.
In addition, should there be an engine problem or damage (such as a broken turbo compressor, fuel-
pump or injectors) which would generate a large amount of soot in a short time period, it will be
necessary to contact the AC Service for:
Carrying out a diagnosis of the BPF R620 system
Inspecting the condition of the particulate filtering cartridge and of the oxidation catalyst (if
present)
If required, cleaning and replacing the particulate filtering cartridge and/or the oxidation
catalyst (if present)
The checks/repairs/replacements described above must be carried out in compliance with the
proper technical regulations, taking the necessary safety precautions, and preferably they should be
performed at specialized workshops.
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