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4
4. Replace the OIL DRAIN cap.
5. Remove the OIL FILL cap, and ll the reservoir with new vacuum
pump oil until the oil appears at the bottom of the sight glass.
For
oil capacities, refer to Pump Specications in this manual.
6. Verify the inlet ports are capped; then turn ON the pump. Allow it
to run for one minute, and check the oil level. If the oil is below the
sight glass OIL LEVEL line, add oil slowly (with the pump running)
until the oil reaches the OIL LEVEL line. Replace the OIL FILL
cap, and conrm the inlet is capped and the drain cap is tight.
7. a) If the oil is badly contaminated with the sludge that forms when
water is allowed to collect in the oil, you may need to remove
the oil reservoir cover and wipe it out.
b) Another method of dealing with heavily contaminated oil is to
force the oil from the pump reservoir. To do this, allow the pump
to run until it is warmed up. While the pump is still running,
remove the oil drain cap. Slightly restrict the exhaust. This will
back-pressure the oil reservoir and force the oil from it, carrying
more contaminants. When the oil ceases to ow, turn off pump.
Repeat this procedure as required until the contamination is
removed. Replace the OIL DRAIN cap, and rell the reservoir
until the oil appears at the bottom of the sight glass with fresh
pump oil. (See Step 4.)
Clean the pump with soap and water only. Do not use commercial
cleaners that contain degreasing agents.
This product must be grounded. In the event of an electrical
short, grounding reduces the risk of electrical shock by providing
an escape wire for the electric current. This product is equipped
with a power cord having a grounding wire with an appropriate
grounding plug. The outlet used must be correctly installed and
grounded according to local codes and ordinances.
WARNING : Incorrect installation of the grounding plug
will result in electrical shock. When repair or replacement
of the power cord or plug is required, do NOT connect the
grounding wire to either at blade terminal. The wire with
green insulation (with or without yellow stripes) is the
grounding wire.
Cleaning
the Pump
Oil
Change
Procedure
contd.
Grounding
Instructions
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