7.
To remove the top plate, first remove the two 2.5 mm screws and then remove the four 4mm
screws – alternating one turn at a time. Holding the inlet tube, lift off the top plate. If the middle
plate starts to lift also, hold it with one hand as you wiggle off the top plate. See Photo 4.
Photo 4 – Removing the Top Plate
8.
Once the top plate is removed, cut the filter tape near the right roller and discard the short
section with the dirty spots. The design of the 5030i has the dirty tape scrape across the
plastic guide (left side of Photo 4) and travel upside down across the top plate. With a damp
cloth (alcohol is best), clean the guide and the top of the plate. Slide off the black insulation
covering the inlet tube, then remove the two 7/64 allen screws. Remove the inlet tube, being
careful of the o-ring. Wad up a damp piece of paper towel so it fits snugly into the inlet tube
and then push it through with a piece of
¼
inch Teflon tubing. Repeat if necessary. See Photo
5.
9.
Turn the top plate over and clean the dirty spots off the bottom of the plate. Pinch the head of
a Q-tip with your fingers and use it to clean around the centre hole – being very careful not to
insert it far enough to touch the mylar film – Photo 6. Also use a Q-tip to clean inside the hole
where the inlet tube was connected.
