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10. Use the phillipshead screwdriver to remove the attachment screws on the thermostat for the NORMALLY CLOSED and COM- MON points.
Tightening the brass fitting.
8.Use the 7/16” combination wrench to tighten down the brass fit- ting, while also positioning the new thermostat so that it does not hang over the heater.
What the installed thermostat should look like (Tempstar).
9.Note: regardless of the unit this is being done to, the concept is to ensure that the thermostat cannot come into contact with the heater leads or interfere with the placement of any covers.
Removing the thermostat screws.
Fitting the jumper into the mounting cup.
11.Attach the ring ends of the jumpers to the cups/screws removed from the thermostat and attach them. The white jumper is to be connected to COMMON. The orange and white jumper is to be connected to NORMALLY CLOSED. Refer to your machine schematic if you have any questions regarding this.
Securing jumpers to the thermostat.
12.Once both wires are attached, ensure that there is no excess hanging out where it could become pinched by any cover or such.
13.Replace the heater nuts (if removed) and torque down as required per the technical manual. Different models may have dif- ferent torque specifications. Contact Jackson Technical Service if there are any questions regarding this.
AFTER MAINTENANCE ACTIONS
Once the new thermostat is installed, it will be necesary to ensure that it operates at the required and appropriate ranges. The new thermostat has an adjustment that can be turned using a small flathead screwdriver. Several cycles will need to be run on the unit while observing the final rinse temperature. The thermostat needs to cycle so that the final rinse water meets the indicated minimums
4 | Rinse RegulatingThermostat Replacement Instructions | |
Revision A (11/16/2005) | ||
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