User Guide
23
579580 REV B
Maintenance
Replace the Filter
1. If was selected to change the lter, the machine prompts
for the new lter code to be entered.
Enter new lter serial number
Use the keypad to enter the serial number that appears
on the new lter, and select to continue.
Note: If “Invalid serial number” is displayed, the serial
number has been incorrectly entered, or the lter has
already been used in this machine.
2. The machine clears the existing lter and displays
Serial number accepted.
Turn power off and replace lter.
Turn off the machine. Remove the oil drain bottle. Remove
the screws holding the shroud. See Figure 6.
3. Hang the shroud on the back of the machine as shown
in Figure 7.
4. Remove the lter by turning it counterclockwise (as viewed
from the bottom of the lter).
5. Look at the new lter. Verify both o-rings are lubricated
and correctly located in the grooves.
6. Install the new lter by threading it clockwise into place.
Verify the lter is positioned correctly as shown in Figure
7. Tighten the lter to 20 Nm.
7. Power the machine on. The Change Vacuum Pump Oil
operation will begin, and the screen will display
Warming oil for drain XX:XX
See Change Vacuum Pump Oil for more information.
The machine will then begin the Leak Check operation.
See Leak Check section for more information.
Caution: To prevent equipment damage, use only
authentic Robinair No. 34724 lters in this machine. All
performance tests and claims are based on using this
specic lter.
Figure 6
Figure 7
Remove the screws
holding the shroud.
Hang Shroud
Here
Filter