13-9
OPERATOR MAINTENANCEUSER HANDBOOK
9) Before attaching the lter adaptor to the lter housing,
check the O-ring shown in Fig. 13.4 for signs of damage. If
damaged, it must be replaced with a new O-ring (Part No.
12737).
10) Attach lter adaptor to lter housing, in a clockwise direction,
then tighten to secure. See Fig. 13.4.
Note: Care must be taken not to overtighten the adaptor.
11) Before attaching the lter housing to the lter bulb, check the
washer for signs of damage. If damaged, it must be replaced
with a new washer (Part No.12379).
12) Hold the hydrophobic lter bulb then attach chemical lter
to hydrophobic lter bulb by turning in a clockwise direction
until secure. See Fig. 13.3.
Note: Care must be taken not to overtighten the chemical
lter.
13) Attach probe adaptor to chemical filter, in a clockwise
direction, then tighten to secure. See Fig. 13.3.
Note: Care must be taken not to overtighten the probe
adaptor.
14) Attach the lter holder complete with new dust lter then
perform leak check, as detailed in section 13.2.1 paragraphs
3 to 6.