Magnum Venus Plastech HIS Troubleshooting Manual - Manual (Page 20)

Page 18
H.I.S. Troubleshooting Manual
Motor frozen Remove and repair motor.
Air motor in operating
condition should be oiled
with light-weight machine
oil, two drops every 4 hours
of operation through the
blower thumb screw (air
control valve).
Blade rotor stalls during
start and stop operation Rubber roll too tight against
blade rotor. Loosen cap screw on roll
mandrel and turn eccentric
nut to loosen pressure
between rubber roll and
blade rotor. Correct tension
is applied when rubber roll
can be skidded on blade
rotor when blade rotor is
held in position and roll is
turned.
Blade not fully depressed
on rotor Push blade to bottom of
blade slot in rotor with small
block of wood.
Chopped strands not
uniform length Worn or damaged blades or
rubber roll. Blades must be free of
nicks and breaks. New
blades should be dulled by
whetting on cardboard to
remove keen hair edges
prior to installation.
Grooves, glass cuts in
rubber roll, or other
irregular markings on
surface caused by worn
blades requires a change in
rubber roll.
Clam Shells
Magnum Venus Pump Packing Removal Tool:
The clam shells are tools to assist the removal of the packing in the center casting of
the resin pumps. The proper tool for your pump is supplied with the pump. The
following will explain their use:
1. Remove the piston cylinder from the bottom of the pump and the spring retainer
and spring above the pump piston.
2. Slowly apply air to the pump to raise the piston to the top of the stroke.