"Camel" Liquid Ring Medical Vacuum
Medical Systems
2-2
2.2 Preliminary Inspection
Perform the following preliminary inspections on
each of the vacuum pumps separately
before starting the
system:
a. Inspect all piping to make certain that the proper connections have been made in accordance with the
installation drawing(s) supplied with your system. Make certain that the piping is the correct size, at
proper elevation, securely connected and properly supported so that no stress is applied to system
components.
b. Check the vacuum control tank to make certain that all shipping plugs and protectors have been removed
and all open connections have been plugged or piped.
c. Inspect each drain loop to ensure that they are properly installed and vented.
d. Check that the power supply to the motor has the correct voltage and amperage as specified on the
control panel nameplate supplied with your system.
e. Isolate the power source from the motor in order to make certain that accidental starting cannot occur.
CAUTION
DO
NOT
ATTEMPT TO FREE A SEIZED VACUUM PUMP BY APPLYING POWER
TO MOTOR. SEVERE DAMAGE MAY RESULT. NEVER OPERATE VACUUM PUMP
WITHOUT ADEQUATE PRIME AND SEAL WATER FLOW.
f. With main seal water supply valve open, open the shut-off valve in seal water inlet line to the vacuum
pump. Check that the reservoir is full and that the water flows from drain loop to drain.
g. Check that the seal water supply pressure is 25 psig minimum.
h. Turn the power on to the system.
i. Momentarily set the HAND-OFF-AUTO selector switch on the control panel for each vacuum pump to
the HAND position. Then set the switch back to the OFF position, and check that direction of rotation of
each vacuum pump is as indicated by the arrow on the head of the vacuum pump. Turn the power off.
When the preliminary inspection and pre-operational check procedures have been completed, and you understand
the general operations of the system as described in Section 3, General Operation, start the system and check system
operation as specified in Section 4, Start-Up and Operating Checks
.
