Magnum Venus Plastech Pro Series 11:1 PRO PUMP VPRO-45110 - Manual (Page 33)

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Danger: To prevent injury, always relieve pressure before attempting to remove components.
Wide Fan 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, Push fine wire through orifice
or damaged. 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 Air pressure too high. Reduce air pressure to gel coat
pump.
Heavy pulsation Resin accumulator plugged. Disassemble accumulator and
clean.
.
Pump jumps on upstroke Piston ball worn or not seating Replace piston ball and piston
properly. cups. Be sure to lubricate ball
and cups thoroughly with Red
Grease. See Chapter 4: Pro
Pump.
Pump dives on down stroke Foot valve, spring retainer, or Clean or replace foot valve,
foot valve ball damaged or retainer and foot valve ball. Be
spring dirty. sure to lubricate ball thoroughly
with Red Grease. See Chapter 4:
Pro Pump.
Pick-up wand assembly not tight. Tighten or seal joints of pick-up
wand.
Air in material. Agitate material to remove air.
Low output on upstroke Piston cups, piston ball, or Inspect the piston cups, piston
pump cylinder worn. ball, and pump cylinder. Clean
and replace any damaged
components. See Chapter 4:
Pro Pump.
Pump does not run Silencers on valve block Turn off air to pump and unscrew
plugged. silencers. Clean silencers and
re-install.