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MAINTENANCE MANUAL
Mirage technical manual
page 44 of 65
11. Apply a little food safe grease to the fittings on the valve and on the back side of the half ball end
of the tubings.
12. Mount the coil
“right side up” on the valve and screw nut tight enough. However, you should be
able to turn the coil by hand without too much difficulty.
13. Mount replacement valve on discharge hose first, tighten hose clamp as high on hose as possible.
14. Mount valve first on tubing that leads to bottom of group, do not tighten yet.
15. Mount valve on frame with bolts.
16. Mount tubing leading from upper group duct to group valve.
17. Now tighten all nuts with spanner 16 while retaining fittings with spanner 14.
18. Mount electrical plug on coil with rubber seal and screw.
Fill valve
Figure M 21a (left). Solenoid fill valve. Remove upper tubing completely with one-way valve, then
remove fill valve from (sub-) frame.
Figure M 21b (right). Solenoid steam valve. Remove 21 (or 20) mm nut from steam valve and 20 mm
nut from tubing to boiler.
1. Remove the tubing on the top side of the valve completely (see Figure M 21a), retain the fittings
with proper spanners (14 mm and 21 mm resp.).
2. Loosen the nut from the ingoing lower tubing.
3. Remove the 2 small bolts holding the valve to the frame with a 7 mm spanner.
4. Take valve from frame.
5. Now remove electrical plug and coil.
6. Remove fitting and restrictor housing from valve.
7. Clean fittings, check particle screen and restrictor (1.0 mm), clean or replace when necessary.
8. Mount fittings on replacement valve with drop of Loctite, use new copper O-rings.
Caution!
The entrance to the valve is indicated by a little arrow pointing inwards, the fitting with particle screen
and flow restrictor must be on this side.
9. Mount new solenoid coil valve, note direction of electrical connection. When mounting, tighten the
flat nut on top of the coil just enough to flatten spring washer. Too much strain on the coil-tube will
separate it from the valve. Mount and electrical plug with rubber seal on coil.
loosen
remove
completely
loosen
restrictor
housing