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to replace the heaters
a) Remove the upper front panel (1) as above.
b) Turn the unit on its back to gain access to the heater terminations.
c) Disconnect the wiring from the heaters (47) and remove the nuts (45) and washers (46) from
the heater unions.
d) Replace the unit on its feet and withdraw the heater through the top aperture.
e) Reverse the operation to replace the heater fitting new seal washers (44) to the heater union. It
may be necessary to spring the heater in order to pass the terminations through the holes.
Should the heater lay too close to the wall of the inner container at the bottom, pull it away
gently.
to replace the Controller
Units with Serial Number prior to /5:
To remove the controller from the panel open the small panel at the bottom of the front face of the
controller and with a screwdriver turn the screw in the bottom right hand corner counter clockwise. The
instrument will start to withdraw from the sleeve and once the screw has been turned to its furthest
extent the instrument can be withdrawn by hand.
Units with Serial Number/5 onwards:
With a screwdriver turn the screw at bottom of the controller counter clockwise. The instruments will
start to withdraw from the sleeve and once the screw has been turned to its furthest extent the
instrument can be withdrawn by hand.
To replace the controller ease the instrument by hand into the sleeve to its furthest extent. About 10mm
will be left protruding. With a screwdriver turn the screw in the bottom right hand corner clockwise until
tight. The instrument will be pulled completely into the sleeve, engaging the rear terminals, it is then fully
secured.
Should it be necessary to remove the sleeve, first remove the controller as above. Remove the top panel
(1) by removing the screw at the left hand bottom corner, push up and pull out the panel. Remove the
three screws securing the front panel (5) along the upper edge. DO NOT DISTURB SCREW WITH EARTH
SYMBOL ALONGSIDE IT. Remove the knurled nut from the extraction air switch (22) and lower the panel.
Remove wiring from the rear of the sleeve, loosen the two retaining screws until it is possible to lift the
screws outwards and push the mounting clamps into the sleeve. Replacement of the sleeve is in the
reverse order.
to replace the air filters
Access to the compressed air filters can be gained through the front panel as above or through the
bottom of the unit. To replace the particle filter element (60) or the oil filter element (62) turn off the air
supply. Unscrew the transparent filter bowl, then unscrew the filter element. Note when replacing the oil
filter element the small O ring between the element and the housing should also be changed. Filter
bowls should only by cleaned with soapy water DO NOT USE SOLVENTS.
When refitting filter bowls, ensure that the rubber seal is in place.
NOTE: REGULATORS ARE FACTORY SET AND SHOULD NOT BE ADJUSTED.
