Inspecting The Roughing Pump Oil Levels; Adding Oil To A Roughing Pump - Waters Xevo TQ-S Operator's, Overview And Maintenance Manual

Inspecting the roughing pump oil levels

Caution:
operate them with the oil level at less than 30% of the maximum level,
as indicated in the pumps' sight glasses.
This procedure does not apply to an Edwards oil-free roughing pump.
Note:
Requirement:
are running.
For each roughing pump, the oil level appears in the roughing pump's oil level
sight glass. Check the oil level at weekly intervals; you must maintain the oil
level so that it is at or near the maximum level when the pump is not
operating.
The oil level in the sight glass is lower when the roughing pump is
Tip:
running than when it is stopped. When the pump is running, the oil level is
typically at 30% to 60% of the maximum level.

Adding oil to a roughing pump

If a roughing pump's oil level is low (see
pump.
Required materials
• Chemical-resistant, powder-free gloves
• 12-mm Allen wrench
• Funnel
• Anderol vacuum oil, type GD32
4-24 Maintenance Procedures
To ensure correct operation of the roughing pumps, do not
You must determine the oil levels while the roughing pumps
page 4-24), you must add oil the