Magnum Venus Plastech Pro Series VPRO-45220 22:1 & 7:1 - Manual (Page 44)

VPRO-45220 Series Resin Pump Manual
Rev. 11/2013 Page | 44
PROBLEM CAUSE SOLUTION
Pump dives on down stroke Foot valve, spring retainer, or foot
valve ball damaged or dirty. Clean or replace foot valve,
spring retainer and foot valve
ball. Be sure to lubricate ball
thoroughly with Red Grease.
See Chapter 6: 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 pump
cylinder worn. Inspect the piston cups, piston
ball, and pump cylinder. Clean
and replace any damaged
components. See Chapter 6: Pro
Pump.
Pump does not run Silencers on valve block plugged. Turn off air to pump and unscrew
silencers. Clean silencers and
re-install.
Actuator valve or socket cap
screw at shift block broken. Replace the broken cartridge
valve or socket cap screw. See
Chapter 6: Pro Pump.
Pro pump or hose plugged.
Danger: To prevent injury,
always relieve fluid pressure
before attempting to remove
components. Disassemble and clean Pro
pump. Replace any worn parts.
Replace hose as required.
Air not connected. Check that air hose is connected
at manifold, and regulator is at 20
psi or more.
Air restricted. Straighten any kinks in air hoses.
Pump is not primed Check all connections between
pump and end of pick-up wand
for leaks. Prime
resin system.
Material in oil reservoir Packing worn. Replace packing set in lower part
of the pump. See Chapter 6: Pro
Pump.
Piston rod worn or scored. Replace piston rod. See Chapter
6: Pro Pump.
No Gel coat delivery on down
stroke Foot valve, spring retainer, or foot
valve ball damaged or dirty. Clean or replace foot valve,
spring retainer, and foot valve
ball. Be sure to lubricate ball
thoroughly with Red Grease. See
Chapter 6: Pro Pump.
Hose leaks at fittings Fitting loose Tighten fitting. Check all fittings
for leaks before operating.
Fitting or nipple damaged. Replace damaged parts.
Crimped hose If the hose has been sharply bent,
the plastic liner may be ruptured.
Remove and replace hose.