Jackson 24P-NSU, Service Manual, Page: 11 / 33

GENERAL INSTRUCTIONS
(PREVENTIVE MAINTENANCE)
(THE FOLLOWING IS TO BE PERFORMED AS NEEDED.)
Note: Read the following instructions carefully. Proper maintenance of your Jackson
Dishwasher will ensure optimum service with a minimum of down time.
1. Remove all lime and corrosion deposits.
a. Fill the machine with wash water as would ordinarily be done for washing.
b. Open door and place one cup or less of de-liming compound into the water. The
compound is available from your detergent supplier.
c. Turn on the manual wash switch and allow to wash for five minutes.
d. Open door and examine the interior. All lime should be removed and parts should be
shiny. If not, allow to wash for longer period.
e. After the interior is clean, with door closed, empty the wash water by turning switch to
the "off/drain" position. Refill machine and allow to run for two minutes, then again
drain the wash reservoir.
2. Clean around overflow strainers and drain hole.
a. Clean around overflow and strainer pan.
b. Clean around pump intake (toothbrush makes excellent tool for cleaning).
3. Clean Y-strainer on incoming water line. (Water to machine must be turned off for this operation)
a. Remove plug and clean strainer.
4. Clean rinse tubes.
a. Remove rinse assembly by disconnecting rinse feed pipe and removing end plugs
on lower rinse.
b. Clean all rinse tubes and feed pipes with special brush supplied.
c. If spray holes in the rinse tubes are clogged, they may be cleaned with a pointed
object.
5. Clean wash head assembly.
a. Remove pin holding wash head assembly to pump.
b. Clean assembly at sink by flushing water through spray jets.
c. If spray jets are still plugged, use sharp object to dislodge and flush again.
d. Reinstall wash and rinse assemblies. (See page with instructions.)
6. Clean any deposits which may have built up on exterior moving parts.
a. Clean around door gasket.
b. Using a soft bristle brush, clean around switches on exterior of control panel. (Use
no water.)
c. Use soft bristle brush, dip in wash tank water and scrub inside door around gasket
and hinges. Use clean cloth or paper towel to wipe off loose residue.
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