31
Fault finding
Problem Cause Solution
No electric voltage (no load)
Incorrect connected Check and verify voltage
Loose, broken or corroded connections Check terminals and wiring. Repair or renew.
Tripped circuit breakers Reset circuit breakers
Spindle
Wrong rotation direction Adjust supply electric wire phase positions
Position Lineup centering arm and spindle
Vibrating Replace bearings
Centering function
Jagged or no movement
Check timer settings
Check function at centering button
Check pneumatic valve diode for signal
Grease
Slow movement or stuck Check air cylinder
Incorrect position Lineup centering arm and spindle
Table rotation
No vacuum
Check and clean ejector
Check for leakages in swivel and pneumatic hoses
Check for scratches under disc and at O-ring
Poor rotation Check settings at slow start relay
Loose disc Lift disc and replace bolt at shaft
Pump and cooling
Low pressure at pump Pump (and filter cup) must be filled before start
No cooling at spindle Clean magnetic valve at back of machine
Poor cooling Clean tank and replace filter
Collection tray overfilled Adjust machine feet level
Pneumatic
Poor lifting force at spindle guide
Adjust main regulator (turn counter clockwise)
Check incoming air pressure and volume
Check air hose size and length from compressor
Vacuum
Clean ejector
Check for leakage at swivel
General Clean and dry incoming air is important
Product code Description Qty Section Ref no�
87003862 Rubber mat 2 Grinding unit 6
87003583 Shaft 1 7
87000527 Bushing 4 9
87003577 Circlip SgA 20 2 22
87003938 Flat belt 6 26
87000462 Bellows 2 31
987001482 O-ring 4 Rotating Table 13
87003894 V-ring 2 14
87004565 Filter 6 Flushing Comp. 9
87003604 Valve 1 34
87004063 Hose 1 44
87004729 Spare Kit 2 Grinding Spindle 7
87004045 Spindle compl. 1
87001087 Button 2 Electrical Comp. 4
87004674 Swivel 1 76
87000852 Bushing 1 77
87004688 Coupling 1 78
87001063 Muffler 3 Pneumatic Comp. 19
Spare part proposal
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