To Refill The Pump With Oil - Waters Xevo TQ MS Operator's, Overview And Maintenance Manual

4 Maintenance Procedures

To refill the pump with oil

Required materials
• Chemical-resistant, powder-free gloves
• 8-mm Allen wrench
• Funnel
• 1-L bottle of Varian GP45 oil
Refilling the pump with oil:
Warning:
toxic materials, always wear chemical-resistant, powder-free
gloves when adding or replacing oil. The roughing pump
components can be contaminated with analyte accumulated
during normal operation.
1. Ensure that the O-ring on the pump's oil drain plug is clean and
properly seated.
Caution:
the roughing pump,
• ensure that the plug is not cross threaded.
• ensure that the O-ring is not pinched.
• do not overtighten the plug.
2. Use the 8-mm Allen wrench to fit and tighten the roughing pump's oil
drain plug.
When the oil drain plug is tightened, the plug seals with an O-ring.
Tip:
Compression is controlled by the O-ring groove depth in the plug.
Increased torque does not improve the plug seal; it only makes the plug
difficult to remove later.
Important:
3. Using the funnel, pour 1 L of Varian GP45 oil into the oil filler aperture.
The oil level may be above the sight-glass MAX level, but should
Tip:
drop to the MAX level or below during the first few days of operation.
108 February 11, 2013, 71500130002 Rev. D
To avoid personal contamination with biohazards or
To avoid oil leakage when fitting the oil drain plug to
To maintain pump performance, use Varian GP45 oil.