4
Inspect the O-ring guide.
Use a blower or cotton swab to re-
move any foreign objects from the
O-ring guide. Be sure to remove any
threads left behind by the swab.
5
Grease the O-ring.
Squeeze about fi ve millimeters (a
quarter of an inch) of silicon grease
into a plastic bag and use your fi n-
gers to spread the grease through-
out the bag (
O-ring and massage the bag to coat
w
the ring (
).
6
Re-insert the O-ring.
After making sure that O-ring and
guide are free of foreign objects,
place the O-ring so that it runs even-
ly at the same level all the way round
the O-ring guide, without undue
stretching and without protruding
from the guide.
q
). Next, insert the
En
35