"Camel" Liquid Ring Medical Vacuum
Medical Systems
5-2
Manual Operation
- HAND-OFF-AUTO switch in HAND position
Problem
Solution
Change in vacuum pump operating
temperature, noise or vibration
CAUTION
SHUT DOWN VACUUM PUMP IMMEDIATELY.
1.)
If the vacuum pump bearing brackets bearing housing temperature
exceeds 140°F (60°C), check for vacuum pump bearing failure or
excessive grease in bearings.
2.)
Refer to Trouble-item 5. (Vacuum pump stalling)
3.)
If the vacuum pump is running hotter than normal, check for low
seal water flow to pump.
Automatic Operation
- HAND-OFF-AUTO switch in AUTO position
On duplex and triplex systems:
Vacuum pump will not start
1.)
Refer to Trouble-item 2. (Vacuum pump will not start)
On
duplex
systems:
vacuum pumps not alternating
1.)
Check operation of high vacuum switch (VS-1).
On
triplex
systems:
vacuum pumps not alternating
1.)
Check operation of high vacuum switch (VS-1).
Vacuum pumps come on at same
time
1.)
Check to see if the high vacuum switch (VS-1) and the low vacuum
switch (VS-2) connections or settings are reversed.
Lag vacuum pump does not start
when vacuum drops to low setting of
low vacuum switch (VS-2)
1.)
Refer to Trouble-item 2. (Vacuum pump will not start)
2.)
Check the vacuum switch settings and operation of the low vacuum
switch (VS-2).
