DOUGLAS MACHINES CORP. LD-20-PT Panduan Pengoperasian - Halaman 10
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Note: As a precaution, you must disconnect or turn off all incoming power to the
machine before proceeding with any maintenance.
Regular maintenance is essential in keeping your machine in good working order
and operating at maximum efficiency. The following maintenance items are a
minimum requirement. Frequency of maintenance is dependent on the number of
hours the machine is in use and the amount and type of soil being removed.
These daily maintenance items need to be done at the end of a regular shift, or if
the machine is not cleaning to its normal standards.
1. Unless the machine is equipped with an electric drain, you may start to
drain it when the power is turned off. If the machine does have an electric
drain, leave the power on until drained. After the machine has drained, use
the spray off hose to clean the inside of the wash cabinet. Direct all debris
toward and into the filter baskets. Remove and clean the filter baskets,
then leave them out for the following steps.
2. With the filter baskets removed, finish cleaning the wash tank reservoir.
Direct all remaining debris into the open drain located in the bottom of the
reservoir tank.
3. Now you need to clean the low water probe. This probe will be a white
plastic item mounted into the side of the wash reservoir tank under the
filter basket location. It is 3/8" in diameter and 2 1/2" long with a 3/16" x
1/4" metal tip. The purpose of this probe is to prevent the heat source and
pump motor from turning on unless the wash tank is full of water. Clean
the metal tip of this probe with some sort of scouring pad. Remove all
scale and residue. Failure to do this will void warranty to related items.
4. If your machine has an electric heater or heaters in the wash tank, it is
now time to clean them. The heater coils will be located directly under the
low water probe. Use a wire brush or scouring pad to clean the exposed
heating coils on the heater or heaters. Direct all debris into the drain.
5. When the wash cabinet, filters, wash tank reservoir, low water probe, and
electric heater or heaters (if applicable) have been cleaned, you can put
the filters back in place.
6. Inspect all the spray jets and look for any that might be missing, obstructed,
or worn out. If you find any missing or worn out jets, contact Douglas
Machines Corp. for a replacement. If you find any jets obstructed, try to
remove the obstruction by pulling it out or by forcing it back into the jet
pipe. If you need to force it back into the jet pipe, you will need to remove
the jet pipe end cap in order to remove the obstruction from the pipe.
7. Clean the outside of the machine. Use a stainless steel cleaner or soft
cloth with a mild detergent to wipe down the outside of the machine.
8. Close the drain valve and check that the filters are back in place. Wait to
refill the machine until you are ready to wash again (it's easier and less
Douglas Machines Corp.
MAINTENANCE
Daily Maintenance
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