29
Exchanging the control unit
Detach the cover from the body as described on
page 20.
Remove the control unit as described on
page 21.
Attention!
Equipment may leak if the gasket is
damaged.
Replace all gaskets that you loosen
during your work.
Use only new gaskets of the same
type.
Fix the control unit to the body as described on
page 22.
Attach the cover to the body as described on
page 24.
Replacing the bimetallic vent
Detach the cover from the body as described on
page 20.
Unfasten the bimetallic vent by applying a
spanner to the hex nut of the bimetallic vent.
Remove the bimetallic vent (6).
Remove the sealing ring (45).
Insert a new sealing ring of the same type in the
hole in the control unit (8).
Screw the new bimetallic vent into the hole in
the control unit.
Tighten the bimetallic vent to a torque of
90 Nm.
Attention!
Equipment may leak if the gasket is
damaged.
Replace all gaskets that you loosen
during your work.
Use only new gaskets of the same
type.
For the disposal of the gaskets observe the
pertinent on-site regulations concerning waste
disposal.
Attach the cover to the body as described on
page 24.
Exchanging the hand-vent valve
Proceed as follows to replace a damaged manual
vent valve:
If necessary, remove the socket wrench
(UNA 38) or the lever (UNA 39) from the manual
vent valve.
Remove the manual vent valve from the
threaded hole in the body.
For the disposal of the gaskets observe the
pertinent on-site regulations concerning waste
disposal.
Summary of Contents for UNA 38
Page 1: ...Ball float steam trap UNA 38 UNA 39 Original Installation Instructions 818603 03 ...
Page 38: ...38 Dimensions and weights for UNA 39 ...
Page 46: ...46 ...
Page 47: ...47 ...