wc_tx003614gb_FM10.fm
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Mobile Generator
General Maintenance
16.10 Cleaning the Diesel Particulate Filter (DPF) (if equipped)
Overview
Sustained operation of the generator under load heats the DPF to a temperature
high enough to burn accumulated soot. This cleaning process (passive
regeneration) normally occurs automatically.
Soot may fill the DPF (a) when the engine runs at idle for long periods with no load.
An indicator (b) on the control panel illuminates when the DPF is full of soot. The
operator must then either increase the load on the engine, or perform a manual
regeneration to clean the DPF.
Manual
regeneration
If the DPF indicator illuminates, follow the steps below to perform an manual
regeneration.
1. Start the engine at low idle speed.
2. Move the manual regeneration switch (c) to the “on” position and hold it for five
seconds. The DPF indicator will go out and the regeneration process will begin.
3. Release the switch.
The engine speed will gradually increase to about 1000 rpm while the machine is in
regeneration mode. When regeneration is complete, the engine speed will return to
low idle (about 750 rpm).
Note: The regeneration process may continue for up to one hour depending on
ambient conditions and the amount of soot inside the DPF.
NOTICE: The DPF may be permanently damaged if the machine continues to
operate with accumulated soot inside the DPF. Perform a manual regeneration as
soon as possible after the indicator illuminates.
WARNING
Burn hazard. The engine, DPF and exhaust pipe become very hot during operation.
► Do not touch the engine, DPF, or exhaust pipe while the machine is operating.
Wait for these components to cool before touching them.
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