Dover HYDRO DM-500 Manual del usuario - Página 12
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5.OO maintenance
5.O1 Maintenance (Required}
The DM-500 is designed to require minimal setup and ongoing maintenance. The routine maintenance tasks include:
•
Check the pump tube's condition and replace as needed to maintain delivery performance
•
Clean the unit cabinet with a damp cloth
•
Check the foot strainer and clean it to remove any crystallized product or accumulated dirt.
•
Ensure that there are no impurities in the suction and delivery tubes. These may damage the pump tube or cause
anomalies in the flow rate.
•
Titrate the wash tank solution to verify that unit is holding accurate concentration.
5.O2 Pump Tube Replacement
NOTE!
When changing pump tubes, be sure to match the correct tube material to the pump.
Santoprene
Replace pump tubes at regular maintenance intervals, well before the tube fails and ruptures. If the tube does rupture, clean
all product from the pump housing with a damp cloth.
•
Remove the pump front screw using a 7mm (5/16") hex head driver and detach the pump cover.
•
Take out the old tube with compression fittings. Start by rotating the rotor so that the rollers are oriented in an 12/6 o'clock
position.
•
Starting on the left side, slide the plastic fitting out from the pump. Slowly rotate the pump rotor clockwise while pulling
the tube out from the pump race.
Removing the
old tube.
Remove the
front cover
•
Insert the new tube with compression fittings from left side of pump, with pump rollers oriented in an 12/6 o'clock position.
•
Slide the compression fitting into place and route the tube vertically into the pump race.
Installing the
new tube.
Install compression
fitting, route tube up
•
Slowly turn the spinner clockwise, as you position the pump tube into place.
•
When finished reinstall the pump cover and front screw.
12
tubes are standard for detergent pumps. Silicone tubes are used for rinse pumps.
®
Align rollers
at "12 and 6"
While turning rotor
install tube in race
Rotate pump
while removing tube
Attach front cover
and tighten screw
Pump ready
for new tube