General Maintenance 4
Troubleshooting and Maintenance Manual 99
To drain/refill the foreline pump
Materials needed
• Book or other solid object approximately 5 cm thick
• Container for catching old pump oil, 500 mL
• Gloves, oil- and solvent-resistant
• Screwdriver, flat-blade, large (8730-0002)
• Hex key, 5-mm (8710-1838)
• Foreline pump oil (6040-0834)
Drain the pump
1 Vent the MS. See the Agilent 7000 Series Triple Quad GC/MS Operation
Manual.
2 If necessary, slide the foreline pump to a safe, accessible location.
The foreline pump may be located on the floor, on the lab bench next to or
behind the MS, or under the analyzer chamber at the back of the MS.
3 Place a book or other object under the back of the pump motor to tilt the
front of it down slightly. Remove the fill cap. See Figure 9.
4 Place a container under the drain plug.
5 Remove the drain plug. Allow the pump oil to drain out. The oil drains
faster if it is still warm.
The foreline pump can cause burns if touched when operating. An optional safety
shield will prevent the user from touching it.
The foreline pump may be hot.
The old pump oil may contain toxic chemicals. Treat it as hazardous waste.
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