4.3.3 Possible Cause
Cylinder or cup seal defective
Remedy
: replace cylinder or cup seal.
4.3.4 Possible Cause
Plate valve defective
Remedy
: replace the plate valve.
4.4 Problem
Pump becomes too hot.
4.4.1 Possible Cause
Cooling air supply is insufficient.
Remedy
: provide for adequate ventilation with cool air.
4.4.2 Possible Cause
Ambient temperature is too high.
Remedy
:
relocate the pump/compressor to area where the ambient temperature is below 40˚C.
4.4.3 Possible Cause
Process air is too hot (only on vacuum version).
Remedy
:
add an cooling system to cool down the process gas below 30˚C before entering the
vacuum pump, this cooling can also be achieved by using a longer inlet piping.
