Robinair Models 15301 - Manual (Page 4)

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Before using your vacuum pump . . .
Note about Motor Voltage Connections:
In all cases, motors are designed for operating voltages plus or minus 10%
of the normal rating (see Pump Specifications). Single voltage motors are
supplied fully connected and ready to operate.
1. Confirm that the voltage and frequency at the outlet match the
specifications on the pump motor decal.
2. Confirm the ON-OFF switch is in the OFF position before you plug the
pump into an outlet.
3. Remove and discard the exhaust plug from the exhaust fitting.
4. The pump is shipped without oil in the reservoir. Before starting the
pump, fill it with oil. Remove the OIL FILL cap (red plastic plug at the
front of the handle), and add oil until oil appears in the bottom of the sight
glass. For oil capacities, refer to Pump Specifications in this manual.
5. Replace the OIL FILL cap, and remove the cap from one of the inlet
ports.
6. Turn the motor switch to ON.
7. When the pump runs smoothly, replace the cap on the inlet port. This
may take from two to 30 seconds, depending on the ambient temperature.
8. After the pump has run for approximately one minute, check the sight
glass for the correct oil level — oil should be even with the sight glass
OIL LEVEL line. With the pump off, add oil if necessary.
Note: When the pump is running, the oil level should be even with the
line on the sight glass. Underfilling the pump will result in poor vacuum
performance; overfilling can result in oil blowing from the exhaust.
Your pump is now ready to evacuate air conditioning and refrigeration
systems. Follow normal service procedures and the A/C-R
manufacturer’s instructions for connections to the system.
CAutION: Before connecting your vacuum pump to an A/C-R system, remove
refrigerant from the system in an accepted manner. Damage to the
pump may occur if evacuation is started while the system is under
high pressure. Robinair recommends the use of its Refrigerant
Recovery and Recycling equipment.