MODEL SD P4044 K YEAR 1990 . WAS CLEANING MIRRORS ETC, WHEN I DECIDED TO CLEAN PROJECTOR LENSES BUT WHEN I TOOK ONE OFF A BUNCH OF OIL OR LIQUID OF SOME TYPE SPILLED. WHAT IS IT? CAN I JUST REPLACE IT? WILL I HAVE TO REPLACE IT IN ALL THREE? CAN YOU GIVE ME RUNDOWN ON ADJUSTING SCREEN. IT HAS ABOUT 30 ADJUSTMENTS. THE PROJECTORS ARE HITACHI.
THANKS DT