Jackson 07610-003-08-78 A User Manual
Drive Motor & Gear
Reducer Replacement
07610-003-08-78 A
July 5, 2005
Rack Conveyor Dishmachine
Maintenance Instructions
1. Remove the (2) screws that secure the top drive assembly cover
3. Set the top cover to the side and out of the way so that it does
not become a trip hazard. From here, the next step will be to
remove the bottom cover. This will require using the 7/16” socket
with ratchet and most likely the 7/16” combination wrench. Do not
lose the hardware for the covers as your repair kits do not come
with the hardware necessary to replace these. If you do require
hardware that is not present in your kits, do not hesitate to contact
www.jacksonmsc.com
The drive motor and the gear reducer of your Jackson
rack conveyor are responsible for moving racks of ware through
the dishmachine. If needed to be replaced, these instructions will
show you how to get your machine up and running in the shortest
possible time.
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 turned off to the unit at the service
breaker. Tag or lock out the service breaker to prevent accidental
or unauthorized energizing of the machine.
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. 7/16” combination wrench
4. 9/16” combination wrench
5. 3/4” combination wrench
6. 1/8” Allen wrench
7. 1/4” nutdriver
8. Large flathead screwdriver
9. Medium phillipshead screwdriver
10. Medium hammer
11. Rubber mallet
STEPS
in place.
Removing the screws from the top cover.
2. Remove the top cover to expose the drive assembly.
TIME REQUIRED
It is estimated that it will take (1) person one and a quarter hours to replace the drive motor, one and a quarter hours to just
replace the gear reducer or two hours to do both at one time, not
including all of the items indicated in the section entitled “PREPA RATION”.
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 drive motor
or gear reducer found on a Jackson rack conveyor dishmachine.
Removing the top cover.
Jackson Technical Service for help.
2
Rack Conveyor Drive Motor and Gear Reducer Replacement Instructions
Revision A (07/05/2005)
6. Once the bolts are removed, the motor should slide out of the
gear reducer. Remember to support and lay it gently on the floor or
some other surface in order to continue working on it. Be sure that
you get the key, checking the keyway on the motor shaft and in the
7. If the purpose of this maintenance action is to replace the drive
motor, continue to step 8. If you wish to replace the gear reducer,
8. With the motor laying on a level surface, you need to remove the
conduit from it. First, use the 1/4” nutdriver to remove the wiring
9. Once the cover is removed and the wiring is exposed, you may
want jot down how your motor is wired. You can also refer to the
schematic located on the motor itself because how the motor is
wired when you remove it is how you will wire it when you replace
it. If you have any questions regarding the wiring of your motor, do
10. pull the bundled wires out and remove the wire nuts. Set the
wire nuts to the side as you will need them when you wire up the
Removing the nuts securing the bottom cover.
4. Remove the bottom and set to the side so that it does not
become a trip hazard.
www.jacksonmsc.com
gear reducer.
Removing the drive motor.
Removing the bottom cover.
5. With the cover removed you may now remove the bolts used to
connect the drive motor to the gear reducer. Note: you need to
support the motor as you remove the bolts; failure to do so could
result in the motor falling to the ground and becoming damaged.
continue to step 21.
access cover on the back of the motor.
Removing the wiring access cover.
Removing the bolts holding the drive motor to the gear reducer.
Rack Conveyor Drive Motor and Gear Reducer Replacement Instructions
Revision A (07/05/2005)
not hesitate to contact Jackson Technical Service.
new motor.
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