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07610-003-20-17
March 14, 2006
Rack Conveyor Dishmachine
Maintenance Instructions
Motor Assembly
Replacement
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MAINTENANCE INSTRUCTIONS
3. With the band clamp loosened, carefully remove it from the back
end of the motor. Once the clamp is removed, examine it to deter
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mine if it needs to be replaced as well. If it is broken in any spots
or shows signs of metal fatigue, it is best to order a new one. The
purpose of the clamp and the attached support bracket is to keep
the weight of the motor from pulling on the tub, damaging it. It is
absolutely necessary that this component be replaced once the
REPLACING CONVEYOR MOTOR
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. Ensure that the dishmachine has been completely
drained of water and has been allowed to cool down prior to beginning this maintenance procedure.
STEPS
1. Remove the (4) nuts holding the mounting plate in position.
Removing the mounting plate nuts with the 9/16” socket
TOOLS REQUIRED
The following tools will be needed to perform this mainte-
nance evolution:
1. 7/16” socket and ratchet with extension
2. 9/16” socket and ratchet with extension
3. 5/16” Allen wrench
4. 5/16” nutdriver
5. Large flathead screwdriver
6. Small flathead screwdriver
TIME REQUIRED
It is estimated that it will take (1) person one and a half
hours 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 procedure. Become familiar with the parts and
what actions need to be taken. This will save time in the long run!
2. The procedures demonstrated in this manual are
shown being performed on an AJ-44 rack conveyor dishmachine.
The actual maintenance steps, however, apply to any wash, prewash or power rinse motor found on a Jackson rack conveyor dishmachine.
3. These basic instructions will apply to all prewash, wash
and power rinse motors found on AJ, TS and TSC series
machines.
2. Loosen the band clamp on the back end of the motor.
maintenance procedure is completed.
Loosening the band clamp on the back end of the motor.
Conveyor Motor Replacement Instructions 07610-003-20-17 Rev. A
Issued: 03-14-2006 Revised: N/A
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MAINTENANCE INSTRUCTIONS
10. Remove the wiring cover on the new motor assembly and pull
11. Run the conduit to the motor, pulling the machine wires through
12. Rewire the motor exactly the same way the old one was wired
and/or refer to the motor schematic to determine how the motor
should be wired for the incoming power. If you require help on this,
do not hesitate to contact Jackson Technical Service. Ensure that
all wiring is done in accordance with national, state and local codes
13. Place the new motor gasket on the tub over the mounting
14. Carefully lift the motor assembly and slide it onto the mounting
REPLACING CONVEYOR MOTOR
Removing the rear clamp
4. Remove the motor support bracket.
Removing the motor support bracket
5. With the motor support bracket removed, gently pull back on the
motor. You may have to move it from side to side, but it should start
to move back. Pull it completely away from the mounting studs on
the tub and set down gently to work on it.
6. Remove the gasket from the tub.
Removing the pump gasket
the wires free. Install the conduit fitting.
and into the motor wiring box.
as applicable.
7. Use a screwdriver to remove the wiring cover from the motor
wiring box. Take note of how the motor is wired up because you will
have to wire it up the exact same way when you install the new
motor.
8. Remove the conduit fitting from the motor wiring box.
9. Pull the conduit away from the motor and set old motor to the
side. Dispose of the old motor in accordance with warranty or
national/state/local guidelines, whichever may apply.
Conveyor Motor Replacement Instructions 07610-003-20-17 Rev. A
Issued: 03-14-2006 Revised: N/A
Remounting the wash motor assembly
studs.
studs.
15. Re-install the mounting hardware and tighten down.
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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
MAINTENANCE INSTRUCTIONS
REPLACING CONVEYOR MOTOR
16. Attach the motor support rear clamp.
17. Adjust the motor support bracket so that the motor assembly is
level and tighten down.
18. Attach the motor wiring cover.
AFTER MAINTENANCE ACTIONS
Reconnect the incoming water (if disconnected) and turn
on. Then restore power to the unit. Run the unit for at least 10 minutes to ensure there are no leaks. If you hear any grinding sounds
while the motor is running, immediately shut off the unit and secure
power and water. There is a serious problem that must be
addressed. If any problems arise you can contact Jackson
Technical Service.
SPECIAL NOTES
Work performed on Jackson dishmachines by unautho rized or unqualified personnel may void the warranty. Before beginning this or any other maintenance evolution on a unit under warranty, 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
Bracket, Motor Support
05700-021-73-42
Clamp, Motor Support
04730-002-32-15
CONTACT INFORMATION
you refer to this manual before making a call to our technical sup
only.
Conveyor Motor Replacement Instructions 07610-003-20-17 Rev. A
Issued: 03-14-2006 Revised: N/A
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