C
OLLOID
M
ILL
I. O. & M
18
insure alignm ent and stator seati ng by using a drilled pie ce of bar
stock as shown in the following photo.
Procedure is as follows.
2.1 Loosen the lock screws
located just above the
shaft/coupling at the rear of the mixing head. (Note: This
allows the rotor to “bottom out” in the next step, and the
gap to be a
true
zero.)
2.2 Turn the shaft counter-clockwise by hand while
slowly
decreasing the gap between the rot
or and stator.
Continue decreasing the gap until a slight rub of the rotor
and stator is felt.
2.3 Begin to open the gap by
turning the gap adjustment
hand wheel until you no longer
hear or feel co ntact
between the rotor and stator.
2.4 Continue widening the rotor-stator clearance until there is
a 0.003-0. 005” clearance between the rotor and st ator.
This is theoretical zero on a Greerco Colloid Mill.
Use of
either a dial indicator or Mylar feeler gauge for gap
setting measurement will provide the best results.
2.5 Re-tighten the lock screws un til they make contact and
lock them in place with lock nuts.
2.6 Reset the gap setting indicator dial per section 3.0
