Thermo Scientific TSQ 9000 Hardware Manual page 65

Thermo Scientific
3. Reach over to the left side of the instrument and push down on the power switch to
power-off the TSQ 9000 system.
Figure 29. Powering Off the TSQ 9000 System
4. Open the front door of the instrument.
5. Look behind the right side of the vacuum interlock shield and twist the vent valve knob
one and a half times in a clockwise direction to open the vent.
6. Allow the system to vent for five minutes.
7. Unplug the optional mechanical pump (if used) to avoid accidentally turning on the
system.
8. Disconnect the foreline pump power cable from the System Mech Pump connector on
the back of the instrument.
9. Remove one of the oil filler plugs from the foreline pump.
Note The pump oil level must be between the MIN and MAX marks on the oil-level
sight-glass for the pump to operate properly.
10. Add fresh oil to the reservoir until the oil is halfway between the MIN and MAX level
marks.
CAUTION INSTRUMENT DAMAGE: Use only factory-approved foreline pump oil to
avoid damaging the instrument or causing a fire.
1
Performing Routine Maintenance
Vacuum Interlock Shield
Vent Valve Knob
TSQ 9000 Hardware Manual
Maintaining the Foreline Pump
Power Switch
37