Jackson R30, R24 User Manual

07610-003-12-41 A

September 23, 2005

R24/R30 Glasswasher

Maintenance Instructions

Thermostat

Replacement

2. Remove the heater box cover with the 3/8” nutdriver to expose

3. Using the pair of needlenosed pliers (if necessary), remove the

terminals from the thermostat. Be careful not to damage the termi

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4. Remove the thermostat bracket mounting nuts with the 7/16”

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Jackson glasswasher machines come equipped with ther­mostats to ensure proper ware washing results. Occasionally,
some of these components may need replacing to maintain opti ­mum performance.

Jackson offers all of the repair parts necessary for per­forming this task.

The instructions provided here are for maintenance per­sonnel only. Unauthorized persons should not attempt any of the
steps contained in these instructions.

Warning: many of the instructions and steps within
this document require the use of tools. Only authorized per ­sonnel should ever perform any maintenance procedure on
the dishmachine!

PREPARATION

1. Power must be secured to the unit at the service break­er. Tag or lock out the service breaker to prevent accidental or
unauthorized energizing of the machine.

2. Ensure that incoming water to the machine is secured
either by use of a shut-off valve or disconnecting the incoming
water line.

3. The unit must be drained completely with the drain
stopper removed.

TOOLS REQUIRED

The following tools will be needed to perform this mainte-

nance evolution:

1. 3/8” Nutdriver

2. 7/16” Nutdriver

3. 7/16” Combination Wrench

4. Needlenose Pliers

5. Phillipshead Screwdriver

STEPS

1. Remove the front door.

the heater. Set the cover and hardware to the side.

Removing the heater cover.

nals or the wires or else they will have to be replaced.

TIME REQUIRED

It is estimated that it will take (1) person twenty minutes to
perform this task, not including all of the items indicated in the sec­tion entitled “PREPARATION”.

IMPORTANT NOTES

1. Read these instructions thoroughly before attempting
this maintenance task. Become familiar with the parts and what
actions need to be taken. This will save time in the long run!

nutdriver. .

2

Removing the terminals.

Thermostat Replacement Instructions

Revision A (09/23/2005)

7. Take the new thermostat and place its probe in the new imperi

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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

9. Mount the bracket to the tank and tighten down the nuts with the

10. Reconnect the wires per the machine schematic on the back of

11. Place the drain stopper back in the wash tank. Restore power

12. Verify that the thermostat turns operates the heater contactor.

Once you have determined the heater contactor is working, adjust

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tained in accordance with the specifications on the machine data

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ning this or any other maintenance evolution on a unit under war

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ranty, you should contact a certified Jackson technician or Jackson

Technical Service. You can find a list of qualified service agencies

*The kit contains a thermostat, imperial brass fitting, and

Jackson MSC Inc. provides technical support for all of the

dishmachines detailed in this manual. We strongly recommend that

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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

Removing the thermostat bracket mounting nuts.

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completely remove the thermostat.

tank.

8. Mount the thermostat to the bracket.

7/16” nutdriver.

the door.

and water to the unit. Then allow the unit to operate normally.

5. Remove the thermostat from the mounting bracket with the
phillipshead screwdriver.

Separating the thermostat from the bracket.

the wash tank thermostat to ensure that the temperature is main
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

in the back of you unit’s installation manual.

SPECIAL PARTS

Heater Replacement Kit: 6401-003-12-40*

Removing the probe and imperial brass fitting.

6. Use the 7/16” combination wrench to loosen and remove the
imperial brass fitting. Once this is complete, you should be able to

Thermostat Replacement Instructions
Revision A (09/23/2005)

instructions.

CONTACT INFORMATION

you refer to this manual before making a call to our technical sup

only.

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