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The following table shows possible problems and their causes:
Problem, cause, remedy
Problem
Machine doesn't
start
Valve trigger jams
Machine is rotating
too slowly
Motor seizes up /
jammed
Gear makes loud
noises
We ask you to send the machine to the manufacturer, if necessary.
52
TROUBLESHOOTING
Cause
Not connected to compressed air
Rotor rusty due to humidity
Vanes jam (worn out) Gear blocks
Impurities in the valve
Operating pressure is too low
Rotor is rubbing against the end
plate / cylinder bushing
Gear parts are worn down
Vanes are worn or broken;
broken parts are jammed between
the rotor and the cylinder bushing
No lubrication – ball bearings
were running dry; rotor was
rubbing against the end plates
Coarse dirt particles in the motor
compartment between the rotor
and the cylinder bushing
Needle cages are defective Gear
teeth are chattering Ball bearings
are defective
Remedy
Connect and open the supply
line
Disassemble motor and
clean, check functioning of
maintenance unit
Disassemble motor and clean,
replace worn out parts
Disassemble gear, clean,
replace worn out parts
Clean valve seat
Increase the operating
pressure on the machine to 6
bar
Dismantle and clean the
motor; replace worn parts
Dismantle and clean the
gearing; replace worn or
damaged parts
Dismantle and clean the
motor; replace worn parts
Dismantle and clean the
motor; replace worn parts
Dismantle and clean the
motor; replace worn parts
Dismantle and clean the
gearing; replace worn parts
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