R.V.R. Elettronica VJ3000, Installation, Technical And Maintenance Manual

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R.V.R. ELETTRONICA S.r.l. (BO) Pag. 77
VJ3000 - Technical and Maintenance Manual
the PLATE control (5 Fig.4)
2) Disconnect the line supply from the unit.
3) Ensure that the tube has cooled sufficiently to avoid severe burning.
4) Ensure that all internal voltages are at 0V; use a shorting-stick,
if necessary.
5) Unscrew the fixing screws of the rear access panel of the chamber
(Fig.13).
6) Unscrew the fixing screws of the chamber panel (Fig.13).
7) Remove the air outlet flue with the protective net (Fig.13).
8) Loosen the anode tube fixing collar (Fig.14).
9) Raise the anode tube as far as possible and keep it in that position.
10) Slide the valve tube out of its supporting socket, pulling in a
direction perpendicular to the base (upwards) and simultaneously
rotate the tube in either directions to reduce friction.
11) To re-fit the tube, follow the procedure described in paragraph 3.3,
Fitting the Tube, from step 6 onwards.
4.5 AIR FILTER REPLACEMENT
1) Disconnect the line supply from the unit.
2) Open the rear grill (1 Fig.1B) of the air filter, undoing the fixing
screws.
3) Change the felt air filter, carefully cleaning inside.
4) Close the rear grill and tighten the fixing screws.
5) Reconnect the line supply.