Clean the Cold Trap Tube
A Cold Trap option is available. Parts and accessories can be found online at www.Micromeritics.com.
Oil vapor from the vacuum pumps accumulates in the cold trap.
If the high vacuum pump is installed, wait for it to completely stop (approximately 10 minutes). |
- Remove the vacuum pump panel.
- Disconnect the vacuum pump power cord from its power source.
- Open the instrument schematic.
- In the sequence of P[n] (port the gas is connected to), PS, 5, 7, and 1, right click each analysis valve and select Open. Allow the pressure to stabilize until around atmospheric. Close the valves in the same order as opened. This step fills the analysis vacuum section before disconnecting.
- Open the degas schematic.
- Right click degas valve D5 and select Open.
- Right click degas valve D7 and select Open.
- Allow the pressure to stabilize until around atmospheric. Close valve D7 and D5. This step fills the degas vacuum section before disconnecting.
- Remove the connector nut from the glass tube and inspect the O-ring. Replace the O-ring if it is cracked or worn.
- Carefully slide the glass tube down over the metal tube and remove the glass tube.
- Rinse the tube with acetone; then dry the tube.
- Reinstall the cold trap tube ensuring the O-rings are in place.
- Repeat the previous steps for the other cold trap.
- Reconnect the vacuum pump power cord.
- Replace the vacuum pump access panel.
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