Repairs - probst VPH-100 GREENLINE Betriebsanleitung

Maintenance and care
Load cannot be sucked.
Prescribed negative pressure
cannot be achieved no more.
Negative pressure diminishes
itself too fast, when switching
the device off.
7.4

Repairs

Only persons with the appropriate knowledge and ability are allowed to repair the device.
Before the device is used again, it has to be checked by an expert.
52710008 / 51720009
short circuit on solinoid
pipes to the vacuum pumps
foreign bodies
Leakage at vacuum plate by deposited
dirt between rubber seal and suction
plate.
Rubber seal wore or porously (aging
after effect of UV radiation)
Check the diode on the solinoid ( 1N4001 etc
) has not gone short circuit, you can remove
this completely or just cut it out, Do not
replace this component
Check all pipes to the vacuum pumps are not
damaged.
Check that there is a vacuum or pressure on
the pumps and that they have not been
damaged by the ingression of foreign bodies.
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.
22 / 28 GB