Chapter G - TROUBLESHOOTING
G-8 Planmeca Proline EC X-ray unit
DISTURBANCES IN TEMPLE SUPPORT MECHANISM
Technical Manual
7 DISTURBANCES IN TEMPLE SUPPORT MECHANISM
7.1 Temple supports do not move
7.2 Temple supports function erroneously
SYMPTOM POSSIBLE REASON CORRECTIVE ACTION
Motor does not start Keyboard out of order.
Motor out of order or connector
loose.
PCB out of order or connector
loose.
Motor starts but supports
immobile
Pin loose.
Drawing nut glides on motor
axle.
Thread of drawing nut dam-
aged.
SYMPTOM POSSIBLE REASON CORRECTIVE ACTION
Temple supports do not close
properly
Attachment of quadrants to
temple support cranks has
yielded.
Adjustment of magnet and Hall
sensor erroneous.
Temple supports do not move
symmetrically
Attachment of quadrants to
temple support cranks has
yielded.
Temple supports have too
much clearance.
Adjustment of clearance incor-
rectly done.