OM/SM-HY-3E & HY-5E(CE)
29
Heater Assembly and High Limit Thermostat
7.
Remove the gasket attached to the steam
generator and discard. Remove heater and
thermostat assembly.
8.
The thermostat bulb is fastened to one of the
heater elements by two small hose clamps
or metal straps
9.
Remove the clamps or straps holding the
thermostat bulb to the heater.
10. With a 9/16 inch open-ended wrench, loosen
the capillary fitting for the thermostat.
11. Remove the probe, capillary and thermostat
bulb as an assembly.
To Install:
12. Clamp thermostat bulb to the Number 2
Heater Rod.
13. Apply pipe compound to the thread and
tighten the compression fitting around the
capillary in the threaded hole provided for
this fitting.
CAUTION
DO NOT DAMAGE HEATER OR CRACK THE
CERAMIC SPACERS.
14. Install a new gasket on the steam generator.
15. Insert the entire assembly into the steam
generator. There is an orientation pin so that
the assembly can only be installed one way.
The pin is on the left of the steam generator.
When properly installed, terminals 1, 2 and 3
are on top.
16. Reconnect the terminal wires to the heater.
Install thermostat switch to bracket with
sheet metal screws.
17. Attach bracket over the two upper threaded
studs before installing nuts.
18. Install four four nuts and lockwashers on
threaded studs, and tighten with a 1/2 inch
socket wrench.
M.
High Limit Thermostat
(Steam Generator)
P/N 122009
Stainless Steel Clamp
P/N 093482
To Reset:
Press red reset button once.
WARNING
DISCONNECT THE POWER SUPPLY BEFORE
BEGINNING ANY SERVICE PROCEDURE.
To Remove:
1.
Shut off electrical power to the steamer.
2.
Remove the heating elements from the
steam generator in accordance with
directions provided in Section L.
3.
Using a 7mm nutdriver, loosen two stainless
steel hose clamps holding the thermostat
bulb to the heater element.
4.
With a 9/16 inch open ended wrench,
unscrew the thermostat bulb from the heater
plate.
To Install:
5.
Apply high temperature pipe compound to
the threads of the new thermostat fitting.
Screw the thermostat fitting into the heater
plate. Tighten with a 9/16 inch open ended
wrench
6.
Position the thermostat bulb on top of heater
coil No. 2 (center heater)
7.
Position the two stainless steel hose clamps
around BOTH the heater coil and the
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