Magnum Venus Plastech HIS Troubleshooting Manual - Manual (Page 5)

Page 3
H.I.S. Troubleshooting Manual
Catalyst pump
failure*
B. Ball valve in
piston not
seating.
Remove catalyst hose, catalyst feed tube
and relief valve tube from catalyst pump.
Remove pump from slave arms. Loosen
locknut on pump and unscrew cylinder
down from piston rod and piston assembly.
Remove piston from piston rod, remove
spring and ball from piston. Visually
examine ball seat, ball and spring for
contamination or damage. Clean piston
and parts with clean water, blow dry with
air. Replace any questionable parts.
Replace ball and spring in piston and
secure piston-to-piston rod. Remove O-
ring from inside of outlet body. Place
locknut on cylinder and reassemble pump.
Catalyst pump
failure*
C. Pup ball valve
in inlet body
not seating.
Remove catalyst hose, catalyst feed tube
and relief valve tube from catalyst pump.
Remove pump from slave arms. Unscrew
inlet body form cylinder. Remove ball from
inlet body. Visually examine ball and ball
seat in inlet body for contamination and
damage. Clean with fresh water and blow
dry with air. Remove O-ring from inside
inlet body and place on O-ring seat on
cylinder. Replace any questionable parts
and reassemble pump.
Catalyst pump
failure*
D. Air lock
Remove catalyst hose from nipple on
catalyst accumulator after relieving
pressure from the system. Remove
quick pin from catalyst bearing block and
upper slave arm. Loosen packing nut on
top of catalyst pump. Tilt pump back
toward resin pump and pump catalyst into
a suitable container until catalyst spurts
from nipple an equal amount on both up
and down stroke. Reconnect catalyst
hose to nipple and with trigger open, hand
pump catalyst out through the gun. Re-
establish pump in slave arm and retighten
packing nut.