A-PLUS AUTOMATION A3-P, Instruction Handbook Manual

18

A3-P

7. DIAGNOSTIC

7.1  SAFETY WARNINGS

The interventions must be executed by personnel properly trained for this specific machine and they must  take 

all precautions in order to avoid accidental starts.

During the tests, it is suggested to remove the vertical clamp assembly or position it to its full upwards position. 

TABLE  7. 2 - A

TROUBLE

POSSIBLE CAUSE

REMEDY

Pressing the foot pedal the Wedges 

ejection is discontinuous (sometimes 

it goes off)

Insufficient working pressure

•  Check that the minimum value indicated 

from main gauge is higher than 2,5 Bar

Wedges wrongly positioned into 

the magazine

•  Check that the Wedges sharpened side 

(glue side) faces up

•  Check that Wedges V vertex is pointing 

toward machine’s external side

Guide  channels  damaged  or 

jammed

•  Check that the guide channels are not dirty 

or jammed

Claw pusher has insufficient 

thrust

•  Check that the pressure of the regulator 

feeding the claw pusher cylinder is at least 

1,0 Bar. If necessary, increase it by 10%.

Claw  head  not  suitable  with 

Wedges size

•  Check that the number engraved on the 

wedge claw head match the Wedges size

Faulty Wedges

•  Replace  the  Wedges  (from  a  different 

packaging)

Insufficient working pressure

•  Check that the air pressure line.

Opened Wedges magazine

•  Close  the  magazine  by  means  of  the 

special lever

Faulty valves

•  Replace the foot pedal valve 

•  Replace the control valves 

Pressing the foot pedal for several 

times the machine’s working cycle 

that  was  correct  at  the  beginning 

becomes irregular later

Jammed  valves  because  of 

surplus of oil or condensation 

liquid in the actuation hoses Ø 

4mm

•  Remove the surplus of oil and condensation 

from  the  valves  by  disconnecting  the 

hoses/pipes one by one. This will force out 

the oil or condensation liquid.

Pressing the foot pedal the working 

pressure indicated on the regulator 

deeply decreases (over 1,0 bar)

Faulty pressure regulator

•  Replace the regulator

Air  supply  line  too  long  or  of 

inadequate diameter

•  Replace  the  air  line  with  a  new  one  of  

bigger size

Pressing the foot pedal the machine 

works properly, but once the pedal is 

released you can note a certain delay 

in the re-positioning of the driver 

blade and/or vertical clamp cylinders

Faulty or jammed valves

•  Remove  the  surplus  of  oil  and/or  

condensation

•  Replace the foot pedal valve

•  Replace the faulty control valves

Wishing to insert several Wedges 

one upon the other in the same 

position, they do not stack properly 

or tilt during their insertion

Unsuitable Wedges

•  Replace the Wedges with suitable ones

Unsuitable frames clamping (the 

frame moves during the Wedge 

insertion)

•  Check and reposition the vertical clamp

•  Increase  the  pressure  by    using  the 

pressure regulator

•  Replace the pressure pad with the proper 

one

Wore and torn driver blade

•  Replace the driver blade

Jammed driver blade

•  Revive and clean the driver blade’s upper 

part by removing any material jamming the 

upper profile