![background image](http://html1.mh-extra.com/html/graco/249570-a/249570-a_instructions-parts-list-manual_2251495028.webp)
Flushing
28
311075ZAB
Flushing
•
Flush if you will be shut down for more than 3 days.
Flush more often if material is moisture sensitive
and humidity is high in the storage area, or if
material may separate or settle out over time.
•
Flush out old fluid with new fluid, or flush out old
fluid with a compatible solvent before introducing
new fluid.
•
Use the lowest possible pressure when flushing.
•
Always leave some type of fluid in the system. Do
not use water.
•
For long term storage, flush out the solvent with a
storage fluid or, at minimum, clean motor oil.
1. Engage the piston safety lock or trigger safety lock.
Close fluid valves A and B. Leave air on.
2. Set the function knob to Park
.
3.
For heated units:
shut off Heater Power. Allow the
system to cool.
4. Remove the recirculation tubes (31) from the supply
tanks and place in the original containers or waste
containers.
5. Turn the Spray valves to Recirc.
6. Set the function knob to Fast Recirc
. Pump
material from supply tanks until no more comes out.
7. Set the function knob to Park
.
To avoid fire and explosion, always ground equipment
and waste container. To avoid static sparking and
injury from splashing, always flush at the lowest
possible pressure. Hot solvent may ignite. To avoid
fire and explosion:
•
Flush equipment only in a well-ventilated area
•
Ensure main power is off and heater is cool before
flushing
•
Do not turn on heater until fluid lines are clear of
solvent
Fusion
MD2
31