The 3-Month PM is more extensive and requires the cleaning and replacement of certain components; mainly the elevator/swing arm pads. The worm Gear must be *lubricated at this time. Reference pages 20-26 of the DexS manual for these detailed instructions.
...
remove front and back covers
blow shuffler out with data vac
clean sensors
clean rollers
replace elevator pads (C40-000254 quantity 2)
lube worm gear
*Important; when lubricating the Worm Gear, use only DRY LUBRICANT with PTFT or Teflon as clearly noted on page 25 of the DexS service manual. *clear cycles and logs
test
wipe down top and covers with glass cleaner
Install covers
...