Fresenius Medical Care 2008K2 Troubleshooting Manual page 553

Yes Figure below, if the deaeration pump head is oriented properly its 'ID Decal' is either
on top or front. If on the front it MUST be right side up. If the head is oriented
correctly see (ABOVE) procedure number
No Deaeration motor is rotating clockwise! NOTE ONLY the DEAERATION MOTOR will
be checked then proceed to
2008K/K2 Troubleshooting Guide
page 130
,
LEFT BLANK INTENTIONALLY
P/N 507298 Rev. H
OVER- 5.2.0 (page 547):
TROUBLESHOOTING MOTORS.
Page 549