This Information Applies To: Agilent ICP-MS (7500,7700,8800)
How to check the E2M18 or E2M18F foreline pump to determine if the pump needs maintenance?
The oil cleanliness and oil level in the E2M18 or E2M18F foreline pump should be checked monthly. Perform maintenance as needed, based off the monthly check. The E2M18 oil should be replaced at least once every three months, but the type of samples and number of samples analyzed may shorten the life of the oil.
For the E2M18F pump, the Folmblin Oil (p/n: 5069-4478) will not change color even when the oil is old/dirty. Replace the Fomblin Oil every six months.
Warning: Never add pump oil while the foreline pump is on.
Caution: Only user Agilent Recommended pump oil appropriate for the E2M18 or E2M18F foreline pump. Using a different oil can substantially reduce pump life and invalidates the pump warranty.
Steps to Follow
Checking the Cleanliness of the Oil for the E2M18
Figure 1. Checking the Oil Color
Tips: In the case of E2M18F Pump (also referred to as the Fomblin pump), the Fomblin Oil will not change color even when it is old/dirty. Change the Fomblin oil every six months regardless of the color of the oil.
Checking the Oil Level
Figure 2. Checking the Oil Level
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