Magnum Venus Plastech HIS Troubleshooting Manual User Manual
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Page 22
H.I.S. Troubleshooting Manual
glass on top of lubrication
every 3
rd
stroke
excessive oil to exhaust
from power head.
Resin in oil well in center
section
Worn packing
Replace Teflon packing set
in lower unit. Remove nuts
from tie rod and foot valve
collar from foot valve.
Remove cylinder and foot
valve assembly from center
section by pulling down on
cylinder. Remove piston
body assembly from piston
rod (4:1 and 7:1 units with
long pump
– remove foot
valve and pump tube,
piston cup assembly, 2
bolts and collar and
adapter). Slide spring
retainer and packing spring
down piston rod to remove.
Place packing assembly
removable tool,
(“clamshells”) one section
on either side of piston rod
below upper slave arm in oil
well area of center section.
Disconnect catalyst pump
from upper slave arm, and
by pushing down on slave
arm, extract female ring,
Teflon packing and male
ring from piston rod. Clean
all components well before
reassembling with new
Teflon packing set. Follow
assembly procedure
prescribed in manual.
Note: a small amount of
resin will leak by seal
area. With rag or paper
towel, roll up and out
occasionally.
Worn or scored piston rod.
Continued use of a piston
rod that is scored or it’s had
chrome plate is wearing off
must be replaced. New
packings to prevent leak at