Right Ascension Remove the sixteen flat head screws directly above the seam where the cover mates with the telescope mount. Note where screws come from. The four long screws go in the outside holes. The eight short screws go in the middle holes. Lift off the cover and set it on the floor.
Declination Remove the eight flat head screws in the outside holes.
Remove the ten 4-40 cap screws in the side of the cover. Lift off the cover and set it on the floor. Inspect for dirt and corrosion Clean if necessary using a oiled Kimwipe. Wipe a thin coating of oil on the disk with your finger. The oil is to prevent rust, not to lubricate.