Hardware manual

Maintenance 4
Agilent 7500 Series ICP-MS Hardware Manual 4-149
Locating Tools and Supplies
To change the oil and empty the oil mist filter, the following supplies are
needed:
• Rotary pump oil
• Waste oil container, at least 1 liter in size
• Oil funnel
• Paper towel
Changing the Rotary Pump Oil
To change the rotary pump oil, complete the following steps:
1 Shut down the instrument.
See Chapter 3, “Startup, Shutdown and Status” for directions to turn off
the instrument and pump.
2 Be sure to switch off the two breakers labeled ROTARY PUMP on the
rear side of the Agilent 7500. (Switch the breaker down to the O side
(down).)
3 Remove the used oil.
Place the waste oil container under the drain hole located on the end of the
pump. Remove the drain cap and the oil fill cap. Screw on the drain cap
when oil stops dripping out (Figure 125).
Figure 125 Rotary Pump and Waste Oil Container
WARNING
The pump oil may be hot. Direct skin contact may result in burns.
Oil Fill Cap
Drain Plug
Oil Mist Filter
Oil Gauge
Waste Oil Container