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Maintenance
•
Check double wall hopper heating fluid level
monthly. Add fluid as needed.
•
Do not overfill when using oil. See overfilling
notice on page 18.
Troubleshooting
Problem
Fluid fittings leaking.
Hose not heating to desired tempera-
ture.
Diaphragm pump not operating cor-
rectly.
Oil overflowing out vented hopper
side fill port during startup.
Hopper not reaching set temperature
when heating fluid hose first.
Air and heating fluid splatter is exiting
hopper vented fitting.
313259D
•
•
Cause
Loose fittings.
Diaphragm flow rate set too high.
Problem with Viscon HP heater.
Oil level higher than 3 in. (76.2 mm)
below fill port at room temperature
and at rest.
Temperature loss in heated hose is
too much for the heater capacity to
compensate for.
Diaphragm in Husky 716 diaphragm
pump is cracked.
Get other manuals https://www.bkmanuals.com
Follow pump maintenance instructions in Husky 716
diaphragm pump manual 308981.
Follow heater maintenance instructions in Viscon
HP manual 309524.
Tighten fittings after system reaches
desired temperature.
Decrease diaphragm pump flow rate
to 50 cycles/min.
See troubleshooting in Viscon HP
heater manual 309524.
See troubleshooting in Husky 716
diaphragm pump manual 308981.
Lower oil level to 3 in. (76.2) below
hopper fill port.
Allow longer heating time. Insulate
heated hose bundle.
Replace pump diaphragm. See man-
ual 308981 for parts.
Maintenance
Solution
19
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