Waters Xevo TQ MS, Operator And Maintenance Manual, Page: 69 / 184

Replacing the Varian roughing pump oil and oil mist filter 4-21
7. Dispose of the roughing pump oil in accordance with local environmental
regulations.
8. Use the lint-free cloth to remove loose particles from the magnetic tip of
the oil drain plug.
Replacing the oil mist filter
Required materials
• Chemical-resistant, powder-free gloves
• 3-mm Allen wrench
• New oil mist filter
To replace the oil mist filter
1. Use the 3-mm Allen wrench to remove the 4 screws securing the oil mist
canister cover to the oil mist canister.
Warning:
The roughing pump oil can be contaminated with
biohazardous and/or toxic materials. Dispose of it according
to local environmental regulations.
Warning:
The oil mist filter and canister components can be
contaminated with analyte accumulated during normal
operation. Always wear chemical-resistant, powder-free gloves
when performing this procedure.
Cover securing screw
Oil mist canister