21 / 42
Festo 7EGC_TB_KFb_en
•
Place the clamping plate on the left-hand end of the new toothed belt.
Note
The clamping plate must be aligned axially with the centre of the toothed
belt to prevent damage to the toothed belt during operation.
•
Align the clamping plate axially with the centre of the toothed belt.
X1
X1
Note
The tapped holes of the clamping bodies must be recut before the threaded
pins are screwed in. Residues from the old locking agent in the tapped holes
result in uneven and increased torques for the threaded pins, which means
they may not be correctly tightened.
•
Insert the left-hand end of the toothed belt together with the clamping plate
into the clamping body.
•
Align the toothed belt axially with the centre of the clamping body.
•
Apply Loctite 243 to the threaded pin and screw it into the clamping body.
•
Push the clamping plate against the stop (a) on the clamping body.
Note
The clamping plate must make contact with the stop as otherwise the
toothed belt pretension will diminish during operation.
•
Tighten the threaded pin using the appropriate torque (see table).
Note
It is critical that the torques be observed. Excessive torques will bend the
clamping body.
Type
Torque
EGC-50
0.1 Nm
EGC-70
0.3 Nm
EGC-80
0.5 Nm
EGC-120
4.0 Nm
EGC-185
5.0 Nm
Warning
Do not bend or fold the toothed belt, as this can result in damage to the
tensile bodies and shorten its service life by tearing it. Note the minimum
bending radius for assembly and storage (see section
4.1.4 “Cutting the
toothed belt to length”
).
•
Insert the clamping body into the groove in the cylinder barrel through the
recess in the drive cover.
