Lincoln Impinger 3270 Parts & Service Manual Download | Manualshive

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Impinger 3270 Service Manual – Dom & Int’l

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Summary of Contents for Impinger 3270

Page 1: ...coln Foodservice Products LLC 1111 North Hadley Road Fort Wayne Indiana 46804 Telephone 260 459 8200 Fax 888 790 8193 Technical Support 800 678 9511 lincolnfp com PARTS SERVICE MANUAL Impinger 3270 Im...

Page 2: ...RAM INTERNATIONAL 7 TROUBLESHOOTING GUIDE DOMESTIC 8 TROUBLESHOOTING GUIDE INTERNATIONAL 13 REMOVAL INSTALLATION ADJUSTMENTS 18 OVEN CONTROL PROGRAMMING 25 GENERAL VIEW 27 CONTROL BOX LEFT SIDE DOMEST...

Page 3: ...America T Mandarin China H Portuguese Portugal U Restricted I Not Used V English Pacific Rim Korea J Danish Denmark W English Middle East K Dutch French Belgium X Not Used L Dutch Netherlands Y Not Us...

Page 4: ...ly 900 R P M to the primary of Ignition Control Transformers As the Burner Blower reaches approximately 1600 R P M its internal centrifugal switch will close supplying 24VAC to the ignition control Th...

Page 5: ...air pressure switch through the normally closed oven cavity hi limit thermostat to the ignition control The combustion motor is now energized the normally open combustion air pressure switch closes u...

Page 6: ...Impinger 3270 Service Manual Dom Int l 6 SCHEMATIC DIAGRAM DOMESTIC MODEL 3270 120V 60HZ 1PH NATURAL or LP GAS...

Page 7: ...Impinger 3270 Service Manual Dom Int l 7 SCHEMATIC DIAGRAM INTERNATIONAL MODEL 3270 CE 230V 50HZ 1PH NATURAL or LP GAS...

Page 8: ...Fan Relay Check for 120 VAC to main fan relay coil If no voltage is present trace back to time delay If 120 VAC is supplied to main fan relay coil ensure the contacts of main fan relay are closing by...

Page 9: ...he oven power switch Check for 120 VAC out of the centrifugal switch If voltage is supplied to the centrifugal switch and motor is running but there is no voltage out of the centrifugal switch replace...

Page 10: ...pen Check the output gas pressure at the pressure tap located on the burner manifold Gas pressure should measure approximately 6 in W C If there is no gas pressure and the voltage is supplied to valve...

Page 11: ...per maintenance may cause this Also most of the problems listed under oven will not heat can cause intermittent failure Conveyor will not run Power Supply Check incoming voltage supply at line 1 to ne...

Page 12: ...approx 10VDC If no voltage is present trace wiring back to the oven control If there is no voltage output present at the oven control replace the oven control Conveyor runs but no speed control Motor...

Page 13: ...power Neutral side of time delay coil is switched by the time delay relay When the time delay is enabled line voltage is supplied to coil of main fan relay Main Fan Relay Check for line voltage to mai...

Page 14: ...in Fan Motor Check air pressure switch terminals for supply voltage to terminals COM and NO If voltage is present on one side only check for air tube blockage or misalignment If these are okay adjust...

Page 15: ...at terminal 5 and neutral If no voltage is present check reset button for the ignition control If there is still no voltage to the pilot valve replace ignition control Gas Control Valves Check for su...

Page 16: ...re tap located on the burner manifold If voltage is present and gas pressure is not exceeding 6 in W C at the burner manifold replace modulating valve Intermittent heating Thermal Overload of Main Fan...

Page 17: ...r components as needed Oven Control Check output voltage from oven control to hall effect sensor sensor is located in conveyor motor Measure voltage at the motor connector red wire and yellow wire Vol...

Page 18: ...SHUTTER ADJUSTMENT It should be set at open HOT SURFACE IGNITOR REPLACEMENT DOMESTIC ONLY WITH POWER OFF A Remove appropriate control box cover B Disconnect gas line at union C Remove four 4 nuts fro...

Page 19: ...l off black operating knob and remove hex mounting nut D Reassemble in reverse order BURNER ALARM REPLACEMENT INTERNATIONAL ONLY WITH POWER OFF A Remove appropriate control box cover B Remove 2 wires...

Page 20: ...NIMUM OF 7 IN W C NATURAL AND 11 IN W C L P After installation check all gas line fittings for leaks FRONT VIEW MANIFOLD ADJUSTMENT SCREW LOCATED UNDER COVER SCREW TOP VIEW PILOT LINE CONNECTION MANIF...

Page 21: ...old pressure to 6 in W C for NAT and 5 in W C for LP Replace cap and supply wire NOTE INLET GAS PRESSURE MUST BE A MINIMUM OF 7 IN W C NATURAL AND 11 IN W C L P After installation check all gas line f...

Page 22: ...der and check system for operation RELAY REPLACEMENT WITH POWER OFF A Remove control box cover B Remove wires from relay being sure to note the wire numbers and location for reinstallation C Remove tw...

Page 23: ...eated and making good contact When reinstalling gas manifold across back of oven check all fittings for leaks J Check system operation allow 30 minute preheat for all checks 1 875 INCH FROM CONE TO FA...

Page 24: ...Before installing new oven control set voltage jumper located at the bottom center of the oven control to the proper voltage 120V 240V position Install the four pushbutton extensions included with th...

Page 25: ...mming Shut off main fan switch Initialization of control is now complete 3 Set digital control for proper temperature scale F or C A Press and hold the 2RH buttons to enter sub level program The promp...

Page 26: ...ature is below the set temperature increase button the offset value The amount of offset needed should be the difference between the cavity temperature and the set temperature Allow oven to reach set...

Page 27: ...LATE IMPINGER I 371474 ACCESS DOOR FRAME ASM 3270 J 371171 WINDOW RETAINER 304S S K 371115 ACCESS DOOR GLASS 3200 L 370966 DOOR KNOB ASSY M 371140 BRACKET ASSEMBLY LH ACCESS DOOR SS N 371459 ACCESS DO...

Page 28: ...Impinger 3270 Service Manual Dom Int l 28 GENERAL VIEW A B C D B U V A G J H I L K N O P Q R S N M T W W V X Y Z F J E...

Page 29: ...24VDC 1 2 INCH LH LP G 369552 IGNITOR HOT SURFACE H 371008 THERMOCOUPLE TYPE K W PLUG I 369366 KIT BURNER BLOWER MTR J 369401 SHUTTER AIR ASSY 4071149 K 390131 SNAP BUSHING HEYCO WP750 L 369568 VENTU...

Page 30: ...Impinger 3270 Service Manual Dom Int l 30 CONTROL BOX LEFT SIDE DOMESTIC A R O Q P E D C B S T U G K I J N L M H F Auto Quest Parts Only...

Page 31: ...H LP I 369263 NATURAL GAS CONT ASSY J 369124 COOLING FAN K 369331 FINGER GUARD L 369532 IGNITION CONTROL 2FT M 370359 SWITCH CNVYR REVRS ASSY N 369508 TIMER 20 MIN O 370352 CAPACITOR 115V DIGITAL P 36...

Page 32: ...ervice Manual Dom Int l 32 CONTROL BOX RIGHT SIDE DOMESTIC Auto Quest Parts Only Duplicated Parts for Split Belt Oven Shown on Illustration U Q M N L K Y H G F E C D B A J I Z X T R S P V W O AB AC AD...

Page 33: ...773 VENTURI SPARK LP G 390131 SNAP BUSHING HEYCO WP750 H 370397 SPARK IGNITOR ASSY I 369401 SHUTTER AIR ASSY 4071149 J 369589 MOTOR BLOWER K 369579 ALARM 250V SOLID STAT L 370673 AIRSWITCH PS100 GOLDT...

Page 34: ...Impinger 3270 Service Manual Dom Int l 34 CONTROL BOX LEFT SIDE INTERNATIONAL U S R Q X W M L J H F D C P T L V O K I Y G E B A N...

Page 35: ...AIR ASSY 4071149 R 370674 SURGE PROTECTOR S 370360 CAPACITOR 230V DIGITAL T 370184 FILTER RFI U 369125 TERMINAL BLOCK V 370397 SPARK IGNITOR ASSY W 390131 SNAP BUSHING HEYCO WP750 X 369937 VENTURI SP...

Page 36: ...Impinger 3270 Service Manual Dom Int l 36 CONTROL BOX RIGHT SIDE INTERNATIONAL AB AI AJ AK AL H AM A O V U T S AD AE AF AG AH J L M N G F E D C B Y X Q P H I K AC Z AA R W...

Page 37: ...69213 FAN ASSY 3FT C 369777 ROD STAND OFF L P D 371473 REAR WALL ASM E 369215 MOTOR SUPPORT ASSY F 369800 MOTOR BLOWER ADV 3 60HZ 120V 369214 MOTOR 50HZ 230V G 369033 CLAMP MOTOR H 357003 CLAMP HOSE I...

Page 38: ...Impinger 3270 Service Manual Dom Int l 38 REAR WALL MOTOR ASSEMBLY A L K J I H L G F E D B C M...

Page 39: ...SIONER FULL BELT ASSEMBLY D 370990 BEARING BLOCK ASSY 3255 E 371004 SHAFT DRIVE END 32 F 371464 CONVEYOR FRAME WELD FULL BELT G 371006 CONVEYOR BUSHING ASSY H 369039 GEAR DRIVE BLANK I 369038 GEAR DRI...

Page 40: ...Impinger 3270 Service Manual Dom Int l 40 CONVEYOR FULL BELT N A B C D L K J G I H E M O F P B C D I H...

Page 41: ...NER ASSY D 369002 CONVEYOR TENSION KNOB E 369038 GEAR DRIVE NOTCHED F 369039 GEAR DRIVE BLANK G 370994 SHAFT IDLE END 32 H I 390119 ZERO STOP SB 32 J 370996 CONVEYOR BUSHING ASSY K 371204 SPROCKET 1 2...

Page 42: ...Impinger 3270 Service Manual Dom Int l 42 CONVEYOR SPLIT BELT A E H P J L E K J O Q N M E I G B F A C F F D F C B...

Page 43: ...Impinger 3270 Service Manual Dom Int l 43...

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