Ledco premier 4 series Troubleshooting Manual Download

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Summary of Contents for premier 4 series

Page 1: ...diagnostics 3 Advanced or servicing dealer level true servicing issues mechanics electronics and advanced diagnostics PLEASE NOTE To assure you get the best performance from your laminator always fol...

Page 2: ...would the digital display disconnect the power cord and with a phillips head screw driver remove the 11 screws from the right hand plastic housing remove the cam shaft handle using a 1 8 allen wrench...

Page 3: ...insert it into the receptacle it will only go in one way The display should now be operational If not the ribbon cable may be disconnected from the heat control circuit board located inside the machin...

Page 4: ...shown in schematic If the heat switch and digital display do not illuminate when engaged and there is still no heat with a multimeter check the continuity of the heat switch by putting your multimete...

Page 5: ...reverse sequence The display should now be operational If not the problem lies in either the ribbon cable or the heat control and you should now consult a servicing dealer tech the Ledco service dept...

Page 6: ...secures the heat sensor and bullet to the inside of the heat shoe This set screw is located in the center of the back of the heat shoe in line with the round head phillips screws that hold the rubber...

Page 7: ...e as from the digital display board explained previously Now we can test the heat control board Disconnect all the wire leads from their respective terminals make note of their locations to ensure pro...

Page 8: ...e board will have to be replaced Incidentally this condition of a failed heat control board relay will most likely result in runaway uncontrollable heat which leads us to the next part of the heat sys...

Page 9: ...symptoms persist using a multimeter check the heat sensor wires you will have to remove the bottom back motor cover as instructed in the previous section to gain access to the heat control board and w...

Page 10: ...power to the board you get a closed reading which would result in the relay staying closed under power and subsequent overheating the board has failed and must be replaced and wired exactly as shown i...

Page 11: ...anner as the right side as described in the previous section Visually check the drive chain to make sure it is secure If the chain is not connected reconnect the chain at the connecting link If the co...

Page 12: ...Replace and rewire per the schematic The drive system should now be operational If the drive system is still non operational you should now check the speed dial potentiometer located directly above th...

Page 13: ...e two center terminal lead wires from the switch to their respective connectors to the black and red drive motor lead wires Place your multimeter probes inside the connectors set at volts DC Now conne...

Page 14: ...e the bottom motor cover The drive system should now be operational To replace the drive motor using a 1 8 allen wrench loosen the set screws in the motor sprocket part PRS253A the pull roll sprocket...

Page 15: ...e appearance B INTERMITTENT DRIVE sometimes accompanied by a clunking or skipping grinding noise 1 Basic Disconnect power cord and remove left hand plastic housing as described previously Visually che...

Page 16: ...l and is still causing intermittent clunking drive it may be necessary remove the chain sprockets and gears from the drive side to allow unrestricted rotation of the rolls See SECTION 3 A 3 for proced...

Page 17: ...orange pressure springs part LC25 031 4 from the bottom bearing supports part 4285 028 4 and top bearing supports part 4285 030 4B Now using a 9 64 allen wrench and a phillips head screwdriver remove...

Page 18: ...kling AND ADHESION peeling not sticking PROBLEMS 1 Basic The majority of web film tension or wrinkling problems and adhesion problems are covered in the owners manual Please refer to section 5 8 Preve...

Page 19: ...oting level Waviness in a laminated piece is usually a symptom of to much heat running the prints to slow or not using the cooling fans As the operation manual points out the cooling fans should be us...

Page 20: ...lear regardless of how much supply roll tension you use Conversely a wider thicker over inch dwell line indicates too much supply roll pressure resulting in steering or shifting of the web towards the...

Page 21: ...ts especially with an hour glass shaped dwell line resulting in center wrinkling the rubber rolls may be excessively worn damaged or faulty and need to be replaced Please follow the dis assembly remov...

Page 22: ...formance should now be rectified As noted in the first part of this section adhesion problems non adhesion peeling away or cloudy haziness in the film are addressed in the owners manual Section 5 6 Pr...

Page 23: ...to dry and set even more for heavy coverage areas before laminating and as always run a few expendable sample pieces to be sure the actual pieces can be laminated successfully Any questions regarding...

Page 24: ...24 questions pertaining to any part of this guide please call our toll free service lines at 800 937 9697 800 937 9293 or e mail us at LEDCO ledcoinc com THANK YOU AND HAPPY LAMINATING...

Page 25: ...2 Why won t the laminator stop heating page 2 3 Why is there no drive page 2 4 Why does it make a clunking grinding sound when I laminate page 3 5 Now that I have wrapped copious amounts of film arou...