Tuttnauer 3850 ELVG-D, Technician Manual

Page: 18 / 67

17
7.4 Replacing the Air-Relief/safety-relief Valve block
Caution!
Before starting, be sure that the electric cord is disconnected and that
there is no pressure in the autoclave.
In case the water reservoir is deeply contaminated (soil, lime stone. etc.)
it is recommended to replace the entire unit.
1. Remove the autoclave cover (see para. 7.5 “ Dismantling the Outer
Covers of the Autoclave ” ).
2. Remove the water reservoir cover.
3. Remove the water reservoir silicon gasket.
4. Unscrew and remove nut (1) with a ½” wrench.
5. Remove angle 1/8”-1/4” (2) from the relief valve base.
6. Unscrew and remove nut (3).
7. Remove the air-relief-safety valve block (4).
8. Install the new unit using Teflon tape for sealing the thread.
9. Perform one cycle and verify that the valve operates correctly.
L:\\.doc