Jungheinrich DFG 660 Operating Instructions Manual page 185

6.12.2 Maintenance
Z
The diesel engine must be regularly maintained to ensure proper function of the
particle filter. The maximum recommended smoke value without particle filter is 2.5
Bosch units.
At regular intervals
Block the exhaust pipe and check whether the "High counter pressure" display lamp
is lit. If the lamp is not lit, clean the connection pipe to the pressure switch.
As required
Z
Clean the residue of fuel and oil from the particle filter at least once a year or after
1500 operating hours.
Procedure
• Regenerate the particle filter.
• Allow the particle filter to cool for 3 to 4 hours.
• Loosen the tensioning belt on the particle filter and remove the middle section.
• Set the particle filter upright and clean it from the output side with warm water (do
not use high pressure!).
• Allow the particle filter to drip off well.
• Install the particle filter with new seals.
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