J. D. NEUHAUS Profi 025Ti, Руководство по эксплуатации

Страница: 60 / 218

FAU LT TA B L E
powered by air !
FAU LT S , C AU S E A N D R E M E DY
FAU LT S , C AU S E A N D R E M E DY
Page 60
Fault Possible cause Remedy
Lifting not possible Overload protection has shut off Lower hook briefly, limit load to permissible
load carrying capacity, then lift again
Air pressure too low Increase air pressure to the required value
EMERGENCY STOP switch is When the danger has passed, release the
pressed EMERGENCY STOP switch
Hand control is faulty Have hand control repaired
Only very slow lifting is possible 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 bolts
Air supply hoses are leaking or Check connections of air supply hose and
loose control hoses and connect properly
Cross section of air line too small Use air line with sufficiently large diameter
(check air pressure)
Dirt in the service unit* Clean the service unit, ensure better air
Filter blocked quality
Silencer is clogged Replace the silencer elements or clean,
improve air quality if necessary
Motor vanes worn Replace motor vanes
Motor has run dry Lubricate motor,
Check oiler*
Control valve on motor Have the control valve repaired
Excessive running on during braking
Brake disc and/or brake piston Replace brake disc and/or brake piston
worn
Loud chain noise at chain sprocket Chain dry Lubricate chain
Chain worn Replace chain with new JDN chain
Chain sprocket worn Replace chain sprocket, check chain guide,
replace if necessary
Wrong chain drawn in Identify chain and replace with JDN chain
if necessary
Lifting or lowering speed reduced at Adjustment of brake piston Correct adjustment of brake piston. At high
higher lifting heights or motor comes too tight ambient temperatures perform adjustment
to a standstill with the device warmed up
accordingly
*if installed