Sterling SDF 250 - Manual (Page 44)

SDF 250/400/500
Maintenance 5-7
5.2.3. Filter of the electrical cabinet
Remove the lid of the filter.
Remove the filter mat.
Blow through the filter mat with compressed air from inside to outside or renew the filter mat.
Clean the filter housing. Use lint-free cleaning rags.
Re-install the cleaned/new filter mat.
Replace the lid of the filter.
F
Never operate the dryer without filter mat.
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Order number filter mat: ID 87491