Troubleshooting
42
13.00 | MPG-plus | Assembly and operating manual | en | 389216
6.4 Gripping force is dropping
Possible cause Corrective action
Compressed air can escape. Check seals, if necessary, disassemble the
product and replace seals.
Too much grease in the mechanical
movement space.
Clean and lubricate product.
Pressure drops below minimum. Check air supply.
Pneumatic connection [
}
22]
Component part defective. Replace component or send it to SCHUNK
for repair.
6.5 Product does not achieve the opening and closing times
Possible cause Corrective action
Compressed air lines are not installed
optimally.
If present: Open the flow control couplings
on the product to the maximum that the
movement of the jaws occurs without
bouncing and hitting.
Check compressed air lines.
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.
IMPORTANT!The throttle check valve must
not be removed, even if the product has
not reached the opening and closing times.
If, despite optimum air connections, the
opening and closing times specified in the
catalogue are not achieved, SCHUNK
recommends the use of quick-air-vent-
valves directly at the product.
6.6 Compressed air connection is leaking
Possible cause Corrective action
Wrong hose. Check hose, see catalog data sheet.
Hose gets wider if it is frequently
disassembled/assembled.
Cut off hose, replace if necessary.
Hose gets wider due to external forces. Fix hose e.g. using cable tie.
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