Festo 548076, Repair Instructions, Page: 58 / 92

58 / 92 Festo 7DHTGd_en
4.4 Dismantling the rotary indexing table
The DHTG-…-A rotary indexing table is made up of the following function groups:
– Plate with index plate.
– Pinion and gear racks with shock absorber for rotation.
– Bolts for locking.
4.4.1 Removing the plate
1. Place the rotary indexing table on the work surface with the plate facing
upwards.
2. Loosen flat head screw in the plate and unscrew it.
DHTG-65 and DHTG-90 only
Mark the position of the clamping ring in relation to the screw hole of the flat
head screw on the plate.
3. Remove the clamping ring using two pin punches and a hole profile (or
another suitable lever tool).
To loosen the clamping ring, the rotary indexing table must be held in place
(if necessary, with the help of a second person or by fixing the rotary index -
ing table).
4. Check the plate seal on the clamping ring for wear and replace it as follows
if necessary:
5. Pull the plate seal off the clamping ring.
6. Pull the guide rail of the guide segments off the clamping ring.