PREVENTIVE MAINTENANCE CHECKS AND SERVICES
You perform PMCS to ensure the sink operates properly when needed. The
following paragraphs describe the procedures.
a. Inspect the Power Unit Assembly.
Remove power from the unit.
Remove the cover from the assembly.
Ensure that the volume of water flow meets the specifications.
Check all lines for leaks.
b. Test the Fuse.
Remove the fuse from the fuse holder.
Test the fuse using a digital multimeter (DMM). Test for approximately
Fill the reservoir or connect a water supply to the pump BEFORE
performing an operational check.
c. Check the Pump.
Assemble the unit.
Prime the pump.
Test the pump.
(a) Put the plug valve handle in the PUMP position.
(b) Move the toggle switch labeled PUMP to the ON position.
(c) Move the knee lever to the right (activated) position. Water should
begin to flow within thirty seconds. If the water does not flow, troubleshoot for the
Ensure that the volume of control is within the specifications.
(e) With the pump operating, check all lines for leaks.