Sterling SDF 250 User Manual
Page 40

SDF 250/400/500
Maintenance 5-3
5.1. Maintenance schedule
Daily:
Check warning signs on equipment for good legibility and completeness
Clean return air filters and casing (depending on dust build-up)
Weekly:
Check main switch for proper function
Check the signal lamps for proper functioning
Every three months:
Clean filter of the regeneration blower (depnding on amount of dust
collected)
Every six months:
Change return air filters (depending on dust build-up)
Clean air filter of the suction box
All electrical and mechanical connections should be checked to see if
they fit securely
Annually:
Dewpoint should be checked (only by Sterling service personnel)
Whenever the
material is changed:
The drying hopper and suction box must be cleaned
&
The service intervals refer to a 3-shift operation.
F
The given maintenance intervals are average values.
Check whether in your individual case the maintenance intervals
must be shortened.