To Check And Add Foreline Pump Oil - Agilent Technologies 5975C TAD VL MSD Troubleshooting And Maintenance Manual

4
General Maintenance

To Check and Add Foreline Pump Oil

Standard foreline pump only
Materials needed
• Foreline pump oil (6040-0621)
• Funnel (9301-6461)
• Hex key, 5-mm, to remove drain plug (8710-1838)
• Screwdriver, flat-blade, to remove top fill cap
Procedure
The foreline pump can cause burns if touched when operating. It has a safety shield
WARNING
to prevent the user from touching it.

1
Never add oil while the foreline pump is on.
WARNING
If your MSD is nearing its scheduled time for replacement of the foreline pump
oil, replace the oil instead of adding oil. If the oil is dark or cloudy, replace it.
See
the foreline pump oil.
2
3
4
96
Examine the oil level window
Note the two lines on the pump left of the window. The oil level should be
between the lines. The foreline pump oil should be almost clear. If the oil
level is near or below the lower line, follow steps 2 through 6 to add foreline
pump oil.
"To Drain the Foreline Pump"
Vent the MSD.
Remove the foreline pump fill cap.
Add pump fluid until the oil level in the window is near, but not above, the
upper line.
(Figure 7).
on page 98 for instructions about replacing
5975 Series MSD Troubleshooting and Maintenance Manual