IEMCA SIR 52 F, Manual For Use And Maintenance

Page: 124 / 174

EN
8 - TROUBLES - CAUSES - CURES SIR-52-P/F
8 - Pag. 4 / 6
8.4 CLAMPS DEVICE - PROBLEMS
ERROR CAUSE CURE
The cylinder does not work Check the hydraulic system operation.
Failure of a tightening clamp Replace the broken clamp.
CLAMPS DO NOT TIGHTEN
THE BAR
Low pressure Adjust pressure, see paragraph 5.7.2..
The holding pneumatic
cylinder is jammed.
Release the cylinder as well as the
holding levers
THE BAR-PUSHER IS NOT
HELD
Failure of the holding rollers Replace the broken roller
BAR-PUSHER AND CARRIAGE
DO NOT ENTER THE GUIDE
The clamps unit is
misaligned as to the guide
axis.
Align the unit (apply to IEMCA technical
assistance department
THE CLAMP ARM IS BLOCKED
IN AN INTERMEDIARY
POSITION
The clamp arm is blocked in
an
intermediary position
At the same time push the button and
the button , the bar feeder will go into
gear and the clamp arm will rotate
towards the drum.
Loosen the release knob for the
nonreturn valve of the clamp arm (this
can be found near the valve unit), in
order to manually operate the clamp unit
lifting and lowering.
Bring the clamp unit in a position where
sensor S3 can be read, then tighten the
valve release knob and restart the
8.5 GUIDES - PROBLEMS
ERROR CAUSE CURE
Sprockets jam Racks and sprocket supports
are dirty.
Clean the concerned parts.
Sprockets close in the wrong
guide
Chips or dirtiness in the
spring and in the sprockets
control rack.
Clean the concerned parts.
Sprocket open during the bar
rotation
Failure of the locking spring.
Replace the spring.
Make sure the sprockets closing phase
occurs correctly.
Bar vibrates excessively thus
causing side skids
Sprockets are out of phase
Sprockets are not closed.
Clean the sprockets closing unit and
make sure the closing phase occurs
correctly.