Philips 5603X-44 - Manual (Page 12)

8.
9 Only brush the cutter in an upward motion.
Use the short bristled side of the brush.
10 Brush the slots of the razor head. For optimum
performance, razor cutters and heads should be cleaned
in a degreasing liquid (e.g.Norelco Razor Cleaner model
RC1776 or alcohol) and lubricated with Norelco Razor
Lubricant,model AL80,or one drop of mineral oil (in the
center of the head).
11 Replace the cutter and razor head in the Head Assembly.
12 Repeat the process for the other two razor heads
(cutters and heads).
13 Replace the frame.
14 Press down and turn the wheel clockwise until it locks
into place.
15 Replace the Razor Head Assembly back on razor.