Routine Maintenance
79
5
Figure 5-3 Isolation Valve
4.
Open the gas ballast knob on the top of the pump. Run the pump for 30 to 60
minutes, then close the gas ballast knob.
5.2.4 Replacing the Oil Mist Filter
Note:
Vent the instrument according to the procedure in
, and proceed with
these steps.
1.
Turn the instrument’s power switch to Off.
2.
Unscrew the NW25 clamp, and remove the exhaust line from the top of the oil mist
filter housing (
).
3.
Loosen the four bolts that secure the top and bottom covers of the oil mist housing
with a 4-mm hex wrench.
Caution:
Wear latex or vinyl gloves when replacing the oil mist filter.
Isolation Valve (Open)
Summary of Contents for Micromass ZQ 2000
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