System Shutdown - Graco Therm-O-Flow 20 EasyKey NXT 2200 Instructions-Parts List Manual

Hot melt pail unloaders
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System Shutdown

Follow the procedure below for normal system shut
down, such as at the end of the work day.
1. Make sure the pump rod (PR) is parked in the down
position.
2. Close the system bleed-type master air valve (A).
3. If a 7-day timer is not being used, enable Pump
Inactivity (see Table 7, page 23).
311976A
PR
TI10078A
A
TI8135A
4. Lock the dispense valve trigger open by pulling and
securing the trigger using the trigger retainer TR).
TR
Many hot melt materials tend to expand when heating
up and may cause a heated hose to burst. Avoid the
potential of bursting a hose by opening the dispense
valve during system heat up and lock the dispense
valve trigger open every time you shut the system
down.
5. If the optional 7-day timer is not being used, set the
main disconnect to OFF.
If 7-day timer is required, system needs to be in the
system on state.
POWER
OFF
Operation
TI8051A
TI8139A
33

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