Graco XM 24W626 Operation Manual page 33

11. Open the circulation valves.
12. Verify the sampling valves are closed.
13. Open metering pump inlet ball valves.
14. For Non-Hazardous models: Turn on air supply
(CA) and set metering pump air regulator to 20 psi
(138 kPa 1.38 bar).
CA
3A2776H
NOTE: For hazardous location models, do not close
the main power switch (CA). The system will turn off if
the air is locked, turned off, or depressurized. Open the
main power switch (CA) to turn on the system and allow
the purge controller to complete the 3 minute purge
sequence.
15. At the main run (fluid control) screen, press
enter manual pump run mode.
16. Press repeatedly to select Metering Pump
A . Press . Slowly turn metering pump air
regulator (CD) clockwise to increase air pressure
until metering pump A starts. Continue to run pump
slowly and dispense into pail until clean material
comes out of the return line. Press
pump. Back out the metering pump air regulator.
NOTICE
Run metering pump as slowly as possible until it is
fully primed to prevent pump damage due to pump
cavitation.
NOTE: To run each side independently, press
repeatedly to set to or
needed to prime. Monitor containers to avoid overflow.
NOTE: When priming or flushing pumps, it is normal to
get cavitation or pump runaway alarms. Press
clear alarms then press
These alarms prevent excessive pump speeds, which
will damage pump packings.
17. Repeat the previous step for the B side.
NOTICE
Prior to performing the following step, make sure
the tank is not more than half full. When the tank
pressure is relieved the fluid will expand, overflow
the tank, and damage system components if there
is too much fluid in the tank.
Initial Startup
to
to stop
. Press and as
to
again as necessary.
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