
5. Remove the thermostat from the mounting bracket with the
phillipshead screwdriver.
6. Use the 7/16” combination wrench to loosen and remove the
imperial brass fitting. Once this is complete, you should be able to
completely remove the thermostat.
7. Take the new thermostat and place its probe in the new imperi
al brass fitting provided in your kit. Use the 7/16” combination
wrench to tighten it down after getting the fitting hand-tight in the
tank.
8. Mount the thermostat to the bracket.
9. Mount the bracket to the tank and tighten down the nuts with the
7/16” nutdriver.
10. Reconnect the wires per the machine schematic on the back of
the door.
11. Place the drain stopper back in the wash tank. Restore power
and water to the unit. Then allow the unit to operate normally.
12. Verify that the thermostat turns operates the heater contactor.
Once you have determined the heater contactor is working, adjust
the wash tank thermostat to ensure that the temperature is main
tained in accordance with the specifications on the machine data
plate.
13. Replace the heater cover.
14. Replace the front door.
AFTER MAINTENANCE ACTIONS
None
SPECIAL NOTES
Work performed on Jackson dishmachines by unautho
rized or unqualified personnel may void the warranty. Before begin
ning this or any other maintenance evolution on a unit under war
ranty, you should contact a certified Jackson technician or Jackson
Technical Service. You can find a list of qualified service agencies
in the back of you unit’s installation manual.
SPECIAL PARTS
Heater Replacement Kit: 6401-003-12-40*
*The kit contains a thermostat, imperial brass fitting, and
instructions.
CONTACT INFORMATION
Jackson MSC Inc. provides technical support for all of the
dishmachines detailed in this manual. We strongly recommend that
you refer to this manual before making a call to our technical sup
port staff. Please have this manual with you when you call so that
our staff can refer you, if necessary, to the proper page. Technical
support is available from 8:00 a.m. to 5:00 p.m. (EST), Monday
through Friday. Technical support is not available on holidays.
Contact technical support toll free at 1-888-800-5672. Please
remember that technical support is available for service personnel
only.
www.jacksonmsc.com
Thermostat Replacement Instructions
Revision A (09/23/2005)
3
Removing the thermostat bracket mounting nuts.
Separating the thermostat from the bracket.
Removing the probe and imperial brass fitting.