STT 110 / STT 160
5.2.1. Cleaning or Replacing the Return Air Filter
STT 110 / STT 160
Detach the nut on the housing of the return air filter and remove the housing cover.
Remove the nut of the filter cartridge.
Remove the filter cartridge.
Clean the inside of the return air filter hous- ing. Use
Blow compressed air from the inside out through the clogged filter cartridge or re- place the filter cartridge.
Mount the nut.
Install the lid of the return air filter housing.
Air filter
Fix the nut.
F
&
STT 110 / STT 160
Never operate the dryer without return air filter.
Purchase order numbers return air filter
when operating without return air cooler: ID 88366
when operating with return air cooler: ID 88628