Graco RTX-650 Repair Manual page 4

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Water or material remaining in unit when temperatures are below freezing can damage
motor and/or delay pump startup.
To insure water and material are completely drained out of unit:
1. Remove material line from sprayer.
2. Tip sprayer up as shown.
Before adding material or starting unit in cold weather, run warm water through pump.
Install burp guard (J) before adding material to hopper. When only a small amount of
material remains in the hopper, the burp guard prevents material from shooting out when
the sprayer is turned off. This material could splash into the operator's eyes or skin.
J
CAUTION
Warnings
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