Graco XP50s-hf, Operation, Repair, And Parts

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Operation
36 3A6283F
Startup/Recirculate
NOTE: Use recirculation mode to condition materials
prior to spraying; agitating and heating materials evenly.
The hopper heaters are factory set to maintain
temperatures of conditioned materials only. To bring
spray material up to temperature, the material needs to
circulate through the HF heaters while adjusting the
heater set point to the desired temperature.
1. Ensure that the main power switch (MP) is ON at
the junction box.
2. Turn on the hopper heat switches (ZN).
3. Ensure the agitator air regulator is fully closed and
open the agitator air valve (EP) to the OPEN
position.
4. Slowly increase the agitator air regulator (ER) to
turn the agitator until the desired speed is reached.
5. Ensure the feed pump air regulator (EN) is fully
closed and open the feed pump air valve (EM) to the
OPEN position.
6. Slowly open the feed pump air regulator (EN) until
the pump starts. Cycle the feed pump slowly until
the feed pump stalls.
7. Repeat steps 3-6 for the other heated hopper.
8. Open the recirculation valve handle (AC).
9. Fully open the XP-hf air pressure regulator (CB)
then turn the air valve (CA) to OPEN. Use the XP-hf
air pressure regulator (CB) to slowly increase the air
pressure until the XP-hf pumps start running slowly.
10. Turn on the primary heater switches (ZB). To adjust
the heater temperature, refer to your Viscon heater
manual for instructions.
11. Recirculate the fluids to raise the temperature of the
materials in the hoppers evenly. Continue running
the pump until the material is uniform and reached
the desired temperature.
NOTE: Begin circulating the XP-hf pump to run at
approximately 10 cycles/min to evenly heat materials,
increase or decrease the pump rate depending on
material conditions.
MP
ZN
ZE
ZB
WLD
EP
ER
WLD
EM
EN
WLD
B
A
AC