Repairs - probst JUMBO-BV-VARIO Manual

Maintenance
JUMBO-BV-VARIO-B
V2
Petrol engine goes out and
immediate re-starting is not
possible
Device just wont work/ or
no Vacuum available
Load cannot be sucked.
Prescribed negative
pressure cannot be
achieved no more.
Negative pressure
diminishes itself too fast,
when switching the device
off.
For repair at the lifting hose unit, the operating valve unit, petrolengine see the references in the respective
operating instructions.
7.4

Repairs

●
Only persons with the appropriate knowledge and
ability are allowed to repair the device
Attention
Engine is defective
Gasoline supply interrupted
Ignition coil is defective
seal
vacuum pipe
air filter and the fittings
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)
For all repairs the device must be completely shut down!
Check the engine/call customer service
Check gasoline lines and fuel level in tank.
Check ignition coil and if necessary
exchange.
Check the seal around baseplate, if
possable remove the seal and clean around
the edge of the plate, and in the groove of
the seal, but do not glue the seal on.
Check the fitting that interfaces the
vacuum pipe to the plate and check that it
is fully tightened and has not come loose.
Check the air filter and the fittings such as
pipe clips etc, and make sure they are
tightly sealed.
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.
●
Before the device is used again, it has to be checked
by an expert.
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