UNIS Ultra Moto VR, Operation Manual

Page: 94 / 99

Ultra Moto VR Manual
03/03/2020
93
No. Fault characteristic Possible cause Exclude method
4
When the compressor keep
running, but the pressure can’t
reach the stop pressure or
shut off the exhausting ball
plug, the tine to reach stop
pressure get longer.
The air of the
compressor and
the pipeline
system is
divulged.
Check each joint have
steam leakage
phenomenon or not.
(Can use suds to
check.)
The pump of the
compressor has
faults.
Open the cylinder
cover to check the
valve has carbon
deposit or not.
The valve plate has
wrapped or not.
Leather cup have
abrasion.
Contact with the
supplier.
5
When stop the compressor,
switch off the exhausting ball
plug, the atmosphere pressure
went down.
Each bonds of
the air tank
steam leakage.
Add the glue to screw
down the bond.
Holding valve has
no air proof,
steam leakage
Clear, clean valve plug.
Replace holding valve
or valve plug.
6
The compressor can't stop
when is over the set maximum
pressure.
Pressure
controller broken.
Adjust or replace the
pressure controller.
7
In the scope of compressor's
work pressure, the safety valve
exhaust.
Safety valve
spring force
weakened, the
adjustment nut
loose
Adjust safety valve
adjust the nut to the
safety valve working
pressure exhaust, and
locking nut.