ENGINE
DIESEL PARTICULATE FILTER HANDLING MANUAL, WSM
1-S18
[8] DPF CLEANING METHOD, RESPONSIBLE FOR CLEANING
CONTRACTOR (REFERENCE)
• DPF cleaning must be carried out by authorized cleaning contractor.
(1) Workers should wear a mask and goggles, and other required protective equipments according to
local relevant regulations whenever cleaning DPF.
(2) The removed soot and ash should be collected on a filter etc. and safely disposed by an industrial
waste disposer according to local relevant regulations.
Make sure that the DPF cleaning must be carried out according to the following procedures.
1. The DPF should be cleaned with air.
(1) Spray the air mainly from the exhaust outlet side towards the inlet side.
(Refer to the arrow on the side of the DPF complete, which shows the flow of exhaust gas.)
(2) The DPF should not be cleaned by applying pressure (positive/negative) to the whole of the DPF at one time.
3. Do not use any other substance except air to clean the DPF.
4. Do not give a vibration or a shock (hitting, shaking) to the DPF to clean it.
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