17
PREVENTATIVE MAINTENANCE
MAINTENANCE
PREVENTATIVE
MAINTENANCE:
The dish machines covered in this manual are designed to operate with a minimum
of interaction with the operator. However, this does not mean that some items
will not wear out in time. Noble highly recommends that any maintenance and
repairs not specically discussed in this manual should be performed by QUAL-
IFIED SERVICE PERSONNEL ONLY. Performing maintenance on your dish
machine may void your warranty if it is still in effect.
There are many things that operators can do to prevent catastrophic damage to
the dish machine. One of the major causes of component failure has to do with
pre-scrapping procedures. A dish machine is not a garbage disposal; any large
pieces of material that are put into the machine shall remain in the machine
until they are either broken up (after spreading out on your ware!) or physically
removed. Strainers are installed to help catch debris, but they do no good if they
are clogged. Have operators regularly inspect the pan strainers to ensure (1) that
they are free of soil and debris and (2) they are laying at in the tub.
When cleaning out strainers, do NOT beat them on waste cans. The strainers are
made of metal and can be forgiving; but once severe damage is done, it is next
to impossible for the strainer to work in the way it was designed to. Wipe out
strainers with a rag and rinse under a faucet if necessary. For stubborn debris,
a toothpick should be able to dislodge any obstructions from the perforations.
Always ensure that strainers are placed back in the machine before operation
and that they lay at in the tub.
You may wish to also refer to the page entitled “Detergent Control” in order to learn
more about how your water hardness will effect the performance of your ma-
chine. Hard water makes dish machines work harder and decreases efciency.
Again, it is important to remind operators that trying to perform corrective mainte-
nance on the dish machine could lead to larger problems or even cause harm to
the operator. If a problem is discovered; secure the dish machine using proper
shut down procedures as listed in this manual and contact a QUALIFIED SER-
VICE AGENCY.
Some problems, however, may having nothing to do with the machine itself and no
amount of preventative
maintenance is going to help. A common problem has to do with temperatures
being too low. Verify that the water temperatures coming to your dish machine
match the requirements listed on the machine data plate. There can be a variety
of reasons why your water temperature could be too low and you should discuss
it with a QUALIFIED SERVICE AGENCY to determine what can be done.
By following the operating and cleaning instructions in this manual, you should get
the most efcient results from our machine. As a reminder, here are some steps
to take to ensure that you are using the dish machine the way it was designed to
work:
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