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The instructions provided here are for maintenance per-
sonnel 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 shut off to the unit at the service break-
er. 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 shut off.
3. The unit must be drained completely with the drain
stopper removed (if applicable).
4. Remove any and all access covers.
TOOLS REQUIRED
The following tools may be needed to perform this main-
tenance evolution:
1. Phillipshead Screwdriver
TIME REQUIRED
It is estimated that it will take (1) person sixty minutes to
perform this task, not including all of the items indicated in the sec-
tion 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!
STEPS
1. Using the phillipshead screwdriver, removed
the kickpanel. Be careful not to pull out any gauges that may be
connected to the panel.
2. Ensure that the surface of the dishmachine is clean and free of
any chemical residues.
3. Place the Lower Panel Bracket assembly on the unit, ensuring it
is 1/16” below the lip of the tub. Press firmly to ensure proper
placement.
4. Open the machine door to expose the labyrinth seal. Ensure it is
free of chemical residues and debris.
5. Insert the door gasket into the top of the labyrinth seal, ensuring
that the rounded edge is facing inward and the flat edge is facing
the bottom. Some of the gasket will hang over the edge of the
labyrinth seal; it must be folded over and under the seal.
www.jacksonmsc.com
JPX-300 Door Gasket Installation Kit
Revision A (12/13/05)
2
Placing the lower seal
Lower tub wall
Lower Panel Bracket
Installing the upper door gasket
Door Labyrinth Gasket
05700-003-13-76
Side profile showing placement of “P” gasket