Cooling of the vacuum pump is performed as follows;
◈ Heat radiation on cylinder surface.
◈ Air flow generated with the cooling blower blade of the motor.
4. Valve Opening/Closing
This product is not provided with an on/off valve; which need to be provided and installed by the user.
II.
Safety
1. Safe ty Precautions
The fo llowing p recautions must b e observed fo r s afe installation and o peration.
◈ Co nnect power w ith the main p ower supply cut-off.
◈ Po wer connection and e lectrical servicing (check, repair, e tc) must be conducted b y a qualified
e ng ineer.
◈ If the o peration o r safety o f the p roduct seems abnormal, stop the vacuum p ump immediately.
◈ Do no t to uch the o uter surface o f the vacuum p ump d uring o peration. O therwise, yo u may get
b urned.
◈ Do no t insert yo ur hand into the ro tating body. Do no t run the vacuum p ump w ith the cooling fan
b lades re moved.
2. Warning Signs
This manual contains the following symbols to indicate safety related cautions and warnings.
DANG ER
This sign indicates danger which may cause fatal or serious injuries if the necessary
p recautions are not taken.
CAUTIO N
This sign indicates dangers w hich may c ause injuries o r damages to p roperty if the
ne cessary p recautions are not taken.
WARNING
This sign ind icates p otential d angers w hich may cause fatal o r serious injuries if
the necessary p recautions are not taken.
