78
2016/01 Rev. 0.0
OptiFresh (Bean) NG 2.0
7. Remove the four old O-rings. These O-rings cannot
be re-used and must be discarded.
8. Add a drop of Lubri-film around the perimeter of
each of the holes to temporarily hold these o-rings
in place.
9. Insert a toothpick through the centre of the o-ring
and into each of the screw holes on top of the
piston. The toothpicks will hold the o-rings in place
and act as a guide for the Teflon seal.
10. Replacement Teflon seals are shipped inside a
thick cardboard sleeve. Do not remove them from
this protective sleeve until they are needed.
11. Place the new Teflon seal over the toothpicks
Remove the toothpicks replace the stainless steel
top plate with the four screws.
12. Slide the piston assembly into the bottom of the
cylinder. Make sure the hole at the bottom of the
piston rod is pointing perfectly forward in the same
direction as the brewer pour spout.
13. Secure the piston and cylinder assembly to the
mainframe of the brewer using four screws. Do not
forget to install the two washers that are used with
each of the four screws.
14. Insert the crank arm pin through the front of the
piston rod and through the crank arm. Secure it in
place by inserting a c-clip on the pin at the rear of
the crank arm.
15. Install a filter screen onto the top of the new brewer
cylinder and install the brew chamber.
16. Install the brewer into a machine and brew several
cups of coffee through it. The coffee oils will
lubricate the new cylinder’s walls and the new
Teflon seal.
