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Festo 7DHTGb_en
• Push the spacing bolt into the piston chamber at the rear of the housing
based on the notes you made during removal.
• Screw the blanking plugs into the stop plate based on the notes you made
during removal and tighten them using the appropriate torque (see table).
Type
Torque
DHTG-65-
…
-A
0.5 Nm
DHTG-90-
…
-A
0.5 Nm
DHTG-140-
…
-A
0.5 Nm
DHTG-220-
…
-A
0.5 Nm
• Press the new O-rings into position at the rear of the housing.
Note
The O-rings must be positioned correctly to ensure that there is no leakage.
You can apply a light coat of grease to the O-rings to prevent them from pop-
ping out of the seats.
• Attach the stop plate using the countersunk screws and tighten them using
the appropriate torque (see table).
Type
Torque
Number of countersunk screws
DHTG-65-…-A
1.5 Nm
3
DHTG-90-…-A
2.9 N
m
5
DHTG-140-…-A
5.9 Nm
5
DHTG-220-…-A
5.9 Nm
5
• Press the new O-rings into position at the front of the housing.
Note
The O-rings must be positioned correctly to ensure that there is no leakage.
You can apply a light coat of grease to the O-rings to prevent them from pop-
ping out of the seats.
