Festo DGC G Series, Repair Instructions

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29 / 44 Festo 7DGC-KFa_en
Apply Loctite 243 to the socket head screws and tighten them using the •
appropriate torque (see table).
Type Torque
DGC-18-…-KF 2.5 Nm ±10%
DGC-25-…-KF 5.7 Nm ±10%
DGC-32-…-KF 5.7 Nm ±10%
DGC-40-…-KF 5.7 Nm ±10%
Note
The method for assembling the drives DGC-18/25-…-KF and DGC-…-32/40-…-KF
differs in the way in which the slide-piston connection and piston coupling
are fastened.
DGC-18-…-KF and DGC-25-…-KF:
Insert the socket head screw with a washer through the piston coupling and •
into the drill holes on the slide-piston connection.
Put on the second washer. Apply Loctite 243 to the thread, screw on the nut
•
and tighten it using the appropriate torque (see table).
Type Torque
DGC-18-…-KF 1.2 Nm ±10%
DGC-25-…-KF 4.5 Nm ±10%
DGC-32-…-KF and DGC-40-…-KF (not shown in the illustration):
Place the washers on the socket head screws, apply Loctite 243 to them and •
tighten them using the appropriate torque (see table).
Type Torque
DGC-32-…-KF 4.5 Nm ±10%
DGC-40-…-KF 4.5 Nm ±10%
Place the cover on the slide-piston connection and press it lightly so that it •
latches into place.
Grease the sealing rings and insert them into the end caps. •