How To Use; Cautions - escofred BE-1N Manual De Instrucciones

V. How to Use
Check oil level before use and ensure oil level to be above oil base line, or
else refill oil (high-speed vacuum pump oil adopted, or optional common en-
gine oil).
Remove air inlet cap and connect to vacuum vessel. Pipe used shall be short
and reliably sealed without leakage.
Remove air outlet cap, insert in power plug and turn on the pump.
After use, pull out power plug, remove connecting pipe and tighten air inlet
cap.
VI. Cautions
a) Warning:
1. Do not vacuate combustible, explosive or poisonous gases;
2. Do not vacuate the gases that corrode metal or react chemically with
pump oil;
3. Do not vacuate the gases that contain particle dust and much steam;
4. Running with connection between air inlet and atmosphere shall not ex-
ceed 3 minutes;
5. The temperature of gas sucked shall not exceed 80°C and ambient tem-
perature shall be +5°C ~60°C;
6. Do not serve as compression pump or transfer pump;
7. Do not operate without oil;
8. Do not touch the hot surface of machine at operation to avoid burning dan-
ger;
9. Do not block air outlet when pump works;
b) Caution: To reduce the danger of electric shock, keep the machine
indoor and do not expose it in rain.
13