Foerster 6.453, Operating Instructions Manual

Page: 56 / 67

SENSORSYSTEM Ro 130
5.3 Removing and fitting the test heads MAINTENANCE
5-4
6.453 – 01/2006
WARNING !
Use test heads as a set with the same specifications. The type number
is found on the side of the test heads.
Clean all parts, especially the connection pin (2), the flange bushings
(ref. Fig. 5.5) , bearing ring seal
(3) and test head bearing bushing
Reassembling vice versa.
Note the correct installation position:
the stop on the test head must contact the control edge of the rotating
disk.
Do not kink or twist the ribbon cable
Check mobility of the test head
Engage the tension spring in the annular grove of the spring pin,
to force the test head to adjusting position during stand still of rotor
Fig. 5.3 Test heads fitted, lid (7) not assembled, spring in standard position