J. D. NEUHAUS PROFI 25TI, Оригинальное руководство по эксплуатации и сборке

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powered by air!
Page 62
FAULTS, CAUSES AND REMEDIES
FAULT TABLE
Fault Possible cause Remedy
Air pressure too low Increase air pressure to the required value
EMERGENCY STOP
button is pressed
Release the emergency-off switch if the danger has
been rectified
Lifting not possible
Hand control is faulty Have hand control repaired
Brake does not release fully
Set air pressure to the relevant value, check seal of
brake piston and change seal if necessary Check the
adjustment
of the brake piston (see E-list)
Brake lining worn or uneven Replace brake lining
Motor cover bolts loose Tighten the bolts
Air supply hoses leaking
or loose
Check connections of air supply hose and control
hoses and connect properly
Cross section of air line too
small
Use air line with sufficiently large cross section
(check air pressure)
Dirt in the service unit*, filter blocked
Clean service unit, ensure better air quality
Silencer is clogged
Replace or clean silencer elements, improve
air quality if necessary
Motor vanes worn Replace motor vanes
Motor has run dry. Lubricate motor, check oiler*
Only very slow lifting
possible
Control valve on motor Have control valve repaired
Excessive running on during braking
Brake disc and/ or brake piston worn Replace brake disc and/ or brake piston
Chain dry
Chain worn
Lubricating the chain
Replace chain with a new JDN Chain
Chain sprocket worn Replace chain sprocket, check chain guide, replace if
necessary
Loud chain noise on the
chain sprocket
Wrong chain drawn in
Identify chain and replace with JDN Chain
if necessary
Lifting or lowering speed declines
with high lifting heights or the motor
comes to a standstill
Brake piston setting too tight
Correct adjustment of brake piston. At high ambient
temperatures, perform adjustment with the device
warmed up accordingly.
*if installed