Festo 548076, Repair Instructions, Page: 74 / 92

74 / 92 Festo 7DHTGd_en
3. Drive the cover into the guide.
A plastic hammer and a sleeve with the following dimensions can be used as
assembly aids to drive the cover into the guide.
Type Max. outside diameter of
the feed sleeve Min. inside diameter of
the feed sleeve
DHTG-45- -A 17 mm 10 mm
DHTG-90- -A 24 mm 15 mm
DHTG-140- -A 29 mm 18 mm
DHTG-220- -A 39 mm 24 mm
4. Insert the new retaining rings in the guides and check for correct fit.
5. Insert the metal sheet into the slot of the bolts.
4.5.3 Installing the gear racks
1. Insert new piston seals on both gear racks so that the open side of the
piston ring faces the closed side of the gear rack.
2. Place the housing on its left side to identify the position of the gear racks.
3. Grease the gear racks with LUB-E1 before inserting them.