Levitation Air Adjustment; Location Of Rear Controls - Beckman Coulter Airfuge Instructions For Use Manual

2
Turn the
instrument back, until the brake pin drops to the stator surface.
Figure 5.6 Location of Rear Controls
3
Turn the screw counterclockwise (increase) one-quarter to one-half turn until the brake pin
pops up to its 3-mm (1/8 in.) position above the stator.
• (The adjusting screw will turn slightly less than one full revolution from the fully decreased
position.)
a. Stop turning the screw as soon as the brake pin pops up.
4
Lightly touch the pin. If it bounces freely, the brake is in operating condition.
WARNING
Risk of personal injury or equipment damage. Alcohol is a flammability hazard. Do
not use it in or near operating centrifuges.
a. If the pin motion is sticky, remove it and clean the pin and shaft with alcohol.

Levitation Air Adjustment

If the rotor fails to stop completely or stops too fast, the levitation air flow may require adjustment.
NOTE
Refer to publication AF-TB-013 for levitation air adjustment procedures on an instrument equipped
with a digital speed readout accessory.
AF-IM-13AC
screw (see
BRAKE TENSION
Figure 5.6) clockwise (decrease), as viewed from the
Maintenance
Levitation Air Adjustment
5-9
5