SCHUNK RST-D, Assembly And Operating Manual

Page: 37 / 44

Troubleshooting
04.00 | RST-D | Assembly and Operating Manual | en | 389517
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7.5 Useful load swings to end position
Possible cause Corrective action
Swiveling speed too high. Check swiveling time and adjust with
exhaust air throttles as necessary.
Air connection [
}
21]
Shock absorber not well adjusted Readjust absorbers.
Setting the end position dampers [
}
24]
Unfavorable installation. Check construction.
RST-Dtype is undersized Use RST-Dtype
7.6 Cycle times are not reached
Possible cause Corrective action
ACTUAL operating pressure does not equal
the TARGET rated operating pressure Check operating pressure.
Technical data [
}
14]
Compressed air lines are not installed
optimally. Check compressed air lines.
Use exhaust air throttles from the accessory
pack
Inner diameters of compressed air lines are
of sufficient size in relation to compressed
air consumption.
Keep compressed air lines between the
product and directional control valve as
short as possible.
Flow rate of valve is sufficiently large
relative to the compressed air consumption.
Dampening and return stroke not
completely reset (not for swiveling load in
both directions). Readjust absorbers.
Setting the end position dampers [ } 24]
Damping wrong adjustet. Readjust absorbers.
Setting the end position dampers [ } 24]
Swiveling speed not ideally set Adjust swiveling speed.
Set swivel time [ } 22]
Caution: Observe setpoint times.