Dometic TEC 40D 用户手册

If the air filter is dirty this reduces the flow of air to the engine. Therefore, 

to prevent  malfunctions we recommend checking the state of the filter 

periodically, and more often if you are using the TEC 40D in particularly 

dusty areas.

Never  use  the  engine  without  the  air  filter. The  engine  would  wear 

quickly. 

Remove the air cleaner cover.

Unscrew and remove knurled nut and take off air cleaner element. 

Clean the filter compartment and the cover. 

Dirt and other foreign bodies must not be allowed to enter the engine’s 

air inlet points.

The filter cartridge should either be renewed or, depending upon the 

degree of contamination, cleaned, or checked, as follows: 

Dry contamination 

Use compressed air to blow through the filter cartridge from the inside outwards, until no further dirt emerges. 

Important ! The pressure must not exceed 5 bar.

Renew the filter cartridge. 

Check filter cartridge’s gasket surface for damage, Check the filter cartridge for cracks or any other type of damage to the paper filter by holding 

it inclined towards the light or by shining a light source through it. 

Important ! The slightest damage to the paper filter rules out it being used any longer. Re-assemble the filter cartridge in the reverse order of 

work. 

Air cleaner element

Air cleaner cover

Knurled nut