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5
Maintenance
Draining and replacing the MS120+ pump oil
10 When the oil is completely drained, remove the oil drain pipe.
11 Reinstall the oil filling plug and discharge plug.
12 If the drained oil is polluted or contains water, add the minimum level of oil
and run the pump at the maximum level for at least five minutes.
13 Drain the oil from the pump again.
14 Repeat the oil-filling procedures.
Steps for replacing the MS120 pump oil
1 Unscrew the oil filling plug and place it in a secure location.
2 Add the minimum level of oil and run the pump at the maximum level for at
least five minutes.
3 Check the oil level to make sure it is at the maximum level. Add oil if
necessary.
Agilent Triple Quadrupole LC/MS System User Guide
102
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