Magnum Venus Plastech Pro Series VPRO-45220 22:1 & 7:1 - Manual (Page 43)

VPRO-45220 Series Resin Pump Manual
Rev. 11/2013 Page | 43
PROBLEM CAUSE SOLUTION
Narrow Fan
Wide Fan Material too cold, nozzle too large
or air pressure low. Heat Material, use smaller
nozzle, or as a last resort
increase pump pressure.
Resin filter clogged. Disassemble and clean the resin
filter.
Air pressure too high. Lower pressure then increase
pressure to the desired fan.
Nozzle too small or too wide. Change nozzle.
Round fan Orifice in nozzle worn, clogged,
or damaged. Push fine wire through orifice
from back side. Use fingernail to
clean material form “V” shaped
notch in front. Soak hardened
material in solvent. If notch is
rough or worn, replace nozzle.
Air-assist pressure too high. Decrease air-assist pressure.
Excessive Misting
Heavy pulsation Air pressure too high. Reduce air pressure to gel coat
pump.
Resin accumulator plugged.
Danger: To prevent injury,
always relieve fluid pressure
before attempting to remove
components. Disassemble accumulator and
clean.
Pump jumps on upstroke
Piston ball worn or not seating
properly. Replace piston ball and piston
cups. Be sure to lubricate ball
and cups thoroughly with Red
Grease. See Chapter 6: Pro
Pump.