5 Maintenance
Rough Pump
Agilent 6475 Triple Quad LC/MS System User Guide 83
Rough Pump
The following procedures describes periodic maintenance of the vacuum system
of the instrument.
Checking the rough pump oil level
1 The oil level should be between the marks for Max and Min.
Check that the pump oil is clear and the color is lighter than amber.
2 If the pump oil is dark or full of suspended particles, replace it.
Adding rough pump oil
Perform this procedure when the pump oil level is low.
Tools needed:
• Clean chemical-resistant gloves
• Safety glasses
• Funnel
• 10 mm hex key
• Paper towel or shop rag
Parts needed
• AFV 60 gold oil
Wear chemical-resistant gloves and safety glasses (goggles) for your safety.
Do not touch the fill cap or pump until they are cool. The fill cap and pump can
be dangerously hot.
Never add or replace the rough pump oil while the pump is on. Hot oil can
splash out and cause harm.