probst 52400043, Operating Instructions Manual

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Operating Instructions
SH 2500-UNI-B
Troubleshooting
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V7 GB
9
Troubleshooting
The device must be installed and maintained by qualified personnel such as mechanics and electricians only.
After each repair or maintenance job check the safety equipment.
Error Cause Remedy
Pump does not run Engine is defective Check the engine/call customer service
V-belt is broken/too loose Replace/restretch the V-belt
Pump runs, but does Slide valve is closed Open it
not produce suction Vacuum hose is defective, connectors
are not tight Check, replace vacuum hose
Vacuum pressure does not
reach -0.6 bar Workpiece has cracks, openings
or is porous Workpiece is not suitable for suction
Seal is damaged Replace the seal
Pressure gauge is defective Replace the pressure gauge
V-belt is loose Restretch the V-belt
Engine does not run Fuel tank is empty Refuel the tank
Engine does not run Fuel valve is closed Open the fuel valve
Engine is defective Check the engine/call customer service
Petrol engine goes out and
immediate re-starting is not
possible Gasoline supply interrupted Check gasoline lines and fuel level in tank
Ignition coil is defective Check ignition coil and if necessary
exchange
Warning device does not
function See engine operating instructions (appendix)
Load cannot be sucked.
Prescribed negative pressure
cannot be achieved no more.
Negative pressure diminishes
itself too fast, when switching
the device off.
Leakage at vacuum plate by deposited
dirt between rubber seal and suction
plate.
Rubber seal wore or porously (aging
after effect of UV radiation)
Remove rubber seal from suction plate.
Clean suction plate and slot in rubber seal.
Draw up and fasten rubber seal on suction
plate again.
If necessary exchange rubber seal.
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