71
Servicing – air regulator unit
Air pressure
regulator filter
bowl
Oil removal
filter bowl
Removing and refitting filter
elements
Regularly inspect the filter elements. They should
be replaced when dirty or wet and at least once
each year. Do this as follows:
1. Switch off the air supply.
2. Unscrew the filter bowl by hand.
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 72.
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 as described in “Setting the air
pressure” on page 34.
Replacing other service kit
components
1. Switch off the air supply.
2. Using a 38 mm A/F spanner, remove the
regulator head.
3. Remove the components (shown in dotted
box B in the figure on page 72) from the
body of the regulator.
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