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Removing and refitting filter elements
Regularly inspect the filter element in each filter
bowl. They should be replaced when dirty or wet
and at least once each year. For each filter bowl,
do this as follows:
1.
Make a note of the air supply pressure, then
switch off the air supply.
2.
Unscrew the filter bowl by hand (see the
figure on page 4-4).
3.
Remove the O-ring from the recess in the
filter bowl. Discard the O-ring.
4.
Unscrew and remove the filter element.
5.
Fit the replacement filter and, where
applicable, the O-ring. These are shown in
dotted box A in the figure on page 4.4.
6.
Fit a new O-ring into the recess in the filter
bowl.
7.
Refit the filter bowl and screw hand tight.
8.
Switch on the air supply and set the pressure
to the value noted in step 1.
Air pressure regulator filter
bowl
Oil removal
filter bowl
Replacing other service kit components
1.
Make a note of the air supply pressure, then
switch off the air supply.
2.
Using a 38 mm AF spanner, remove the
regulator head.
3.
Remove the components (shown in dotted
box B in the figure on the page 4.4) from the
body of the regulator.
4.
Fit the new components to the regulator body.
5.
Refit the regulator head and tighten to 7.7 Nm
(5.7 lbf.ft).
6.
Switch on the air supply and set the pressure
to the value noted in step 1.
4.3
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