Manual 2003 Rev D p/n 2003
24
06
Operation
STARTING
Check the oil for proper level at both ends of the
booster. Add or drain oil as necessary to bring
the oil to the correct level.
See Figure 4-2
. Too
much oil, particularly on the gear end, can result in
excessive heat generation. Too little oil will possibly
result in failure of the timing gears, bearings, and
mechanical seals.
Start the backing pump. When pressure is reduced
sufficiently, start booster pump. A pressure
switch can be installed to start the booster at
a predetermined pressure. If the booster is
water-cooled turn on the cooling water when the
booster is started. Adjust the water flow so that
the discharge water temperature is no more than
lukewarm (70° to 80°F [21° to 26°C]).
OPERATING
The upper temperature limits for booster pump
operation are between 350° to 375°F (175° to
190°C), measured in the exhaust gas stream with
a low mass thermocouple. When this temperature
limit switch is installed, as the temperature exceeds
the predetermined temperature, the booster
motor will stop and cannot be restarted until the
temperature drops below the trip setting of the
temperature switch.
DANGER
!
The booster is not intended to be used with
explosive products or in explosive environments.
The blower is not intended to be used in
applications that include hazardous and toxic
gases. Consult the factory for support.
WARNING
!
Physical harm may occur if human body parts
are in contact or exposed to the process vacuum.
Assure that all connections are protected from
human contact.
WARNING
!
If rated vacuum or pressure levels are exceeded,
process fluids will migrate to other parts of the
booster and system.
CAUTION
!
Do not touch hot surfaces.
The upper limit of the booster
operation is 375ºF (190ºC). Do
not touch the booster while it is in
operation and assure booster is
cool when not in operation.
CAUTION
!
Use of a thermowell insulates the thermocouple.
Invalid and delayed readings will result. This can
result in ineffective protection devices.
The upper limits are not intended for
continuous operation. Consult with factory for
detailed information assistance.
STOPPING
CAUTION
!
Venting the booster to pressures above cut-in
while running can damage the pump.
Stop the booster by turning off the motor. Isolate
the booster from the vacuum system and vent the
booster to atmosphere. Turn off the cooling water
if water-cooled. Stop the backing pump. See the
component instruction manual.