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Lincoln Impinger 1450, Service Manual

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Lincoln Impinger 1450 Service Manual Download Page 44

Impinger I – 1400 Series Advantage Service Manual - Dom & Int’l 

44 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

 
 
 

Lincoln Foodservice Products, LLC 

1111 North Hadley Road 

Fort Wayne, Indiana  46804 

United States of America 

 

Telephone: (260) 459-8200 

U.S. Facsimile: (888) 790-8193 

Int’l Facsimile: (260) 436-0735 

 

Technical Service Hotline: (800) 678-9511 

 

www.lincolnfp.com 

 
 
 

Summary of Contents for Impinger 1450

Page 1: ...GER CONVEYOR OVENS MODEL 1400 SERIES ADVANTAGE Lincoln Foodservice Products LLC 1111 North Hadley Road Fort Wayne Indiana 46804 United States of America Phone 800 374 3004 U S Fax 888 790 8193 Int l F...

Page 2: ...5 220 240 VAC 50 HZ L P GAS 6 MODEL 1476 220 240 VAC 50 HZ TOWN GAS 6 SCHEMATIC 1450 1451 1480 7 SCHEMATIC 1452 1453 8 SCHEMATIC 1454 1455 9 SCHEMATIC 1456 1457 10 SCHEMATIC 1474 1475 1476 11 TROUBLES...

Page 3: ...n the main gas valve is energized TEMPERATURE CONTROL When the centrifugal switch of the main fan motor closes 120 VAC is applied to the temperature controller The temperature dial is adjusted to the...

Page 4: ...O COOL DOWN When the temperature in the control box reaches 120 F 3 49 C 1 7 C the cooling fan thermostat will switch power to the cooling fan The thermostat will interrupt power to the cooling fan wh...

Page 5: ...ure switch through the gas pressure proving switch through the normally closed Hi Limit Thermostat to the ignition control The combustion motor is now energized The normally open combustion air switch...

Page 6: ...Impinger I 1400 Series Advantage Service Manual Dom Int l 6 SCHEMATIC 1450 1451 1480...

Page 7: ...Impinger I 1400 Series Advantage Service Manual Dom Int l 7 SCHEMATIC 1452 1453...

Page 8: ...Impinger I 1400 Series Advantage Service Manual Dom Int l 8 SCHEMATIC 1454 1455...

Page 9: ...Impinger I 1400 Series Advantage Service Manual Dom Int l 9 SCHEMATIC 1456 1457...

Page 10: ...Impinger I 1400 Series Advantage Service Manual Dom Int l 10 SCHEMATIC 1474 1475 1476...

Page 11: ...un replace fan assembly Incoming Power Supply Check breakers Reset if needed Check for incoming power at cooling fan thermostat Cooling Fan Thermostat Check cooling fan thermostat thermostat closes at...

Page 12: ...oven If no pilot flame is visible check pilot shut off valve Pilot Shut off Valve Check to see that pilot shut off valve is open shut off valve is located between valve assembly and burner Pilot Tube...

Page 13: ...nsformer Secondary Light 4 in 24 VAC at terminal 6 of Ignition control valve Light 5 in 24 VAC at terminal 3 of Ignition control valve Light 6 in 24 VAC at terminal 1 of Ignition control valve CODE Al...

Page 14: ...ld be approximately 100 VDC 3 The board output is steady If the board voltage output is unsteady beyond limits 3 then the board is probably bad Always check the speed pot be sure it is okay before cha...

Page 15: ...ils and wires are okay replace ignition control Burner Blower Motor Check for line voltage to motor WITH POWER OFF turn blower wheel to check for locked rotor or blower wheel slippage If proper line v...

Page 16: ...eck reset button on ignition control if all above are okay replace ignition control Gas Control Relay Check for 220 VAC to relay coil If no voltage is present trace wiring back to ignition control If...

Page 17: ...f no voltage is present trace wiring back to relay If voltage is present listen for valve to open and close Check for opens or shorts in coil Replace as needed Main Flame will not stay lit Flame Monit...

Page 18: ...FF turn fan blade to check for locked rotor Check for power to cooling fan If voltage is present at the fan motor and the fan does not run replace fan assembly Incoming Power Supply Check circuit brea...

Page 19: ...all readings are not correct replace elements as needed Oven heats with switch off Mercury Contactor s The mercury contactor has probably malfunctioned in the closed position If there is no voltage t...

Page 20: ...es irregular speed Conveyor speed varying Power Supply Check power supply at the DC control board for the 120 VAC at board terminals L1 and L2 If voltage is not present check main circuit breakers DC...

Page 21: ...re removal to aid in reassembly 7 Remove the eight 8 hex head bolts from the motor mount and slide the motor assembly out of the oven back 8 Remove motor by taking off motor clamp and removing the fou...

Page 22: ...ontrol panel top and front cover 3 Remove lead wires and mark for reassembly 4 Remove two 2 screws and remove thermostat 5 Reassemble in reverse order MERCURY CONTACTOR 1 Shut off power at main breake...

Page 23: ...rol note wire numbers and location for reassembly 3 Remove Two 2 screws from control Shut off power at main breaker and replace 4 Reassemble in reverse order and check system operation BURNER ASSEMBLY...

Page 24: ...VALVE 1 Shut off power at main breaker 2 Shut off gas supply 3 Remove control panel top and front cover 4 Remove gas control valve See GAS CONTROL VALVE 5 Disconnect wires from solenoid valve 6 Remove...

Page 25: ...uld be 1 134 When using the following chart the temperature at the terminal connections must be noted This temperature is called the Junction Temperature The following chart lists the thermocouple mil...

Page 26: ...d front cover 3 Remove two 2 top screws and loosen one 1 bottom screw from control assembly 4 Disconnect wiring Push on connectors from control board note proper location of connectors for reinstallat...

Page 27: ...ff power at main breaker 2 Remove control panel top and front panel 3 Remove gas valve assy 4 Remove two 2 nuts from burner orifice bracket 5 Disconnect pipe union 6 Remove assembly and replace main o...

Page 28: ...the unit 3 Remove the four 4 screws from the incoming nipple mounting bracket 4 Remove incoming nipple 5 Disconnect two 2 plugs 1 3 prong and 1 4 prong Note location 6 Disconnect pipe union just above...

Page 29: ...in reverse order and check system operation SOLENOID VALVE REPLACEMENT 1 Remove control panel top and front cover 2 Disconnect pipe union just above gas valve assembly 3 Disconnect two 2 wires from so...

Page 30: ...pport Assy R 369057 Support Bracket Pins S 369643 Strike Assy T 1009 Oven Top U 369062 Top Control Panel V 369140 Compression Spring W 369903 Washer Flat X 369141 Conveyor Hold Down Bracket Y 369139 S...

Page 31: ...Impinger I 1400 Series Advantage Service Manual Dom Int l 31 GENERAL 1450 SERIES BLOW UP...

Page 32: ...U 369804 Knob Clear Skirt V 369202 Pilot Shield Main W 369144 Pilot Shield Extension X 369263 Gas Valve Body only NAT LP for 1450 1451 370025 Gas Valve for 1480 Y 369334 Pilot Shut off Valve Z 369398...

Page 33: ...Impinger I 1400 Series Advantage Service Manual Dom Int l 33 CONTROL BOX 1450 1451 1480 BLOW UP...

Page 34: ...or N 369838 Thermostat Hi Limit O 370112 Box Electric P 353014 Supply Terminal Ground Q 369801 Thermostat Temperature Control R 350224 Lens Yellow S 369154 7 AMP Circuit Breaker T 369125 Terminal Bloc...

Page 35: ...Impinger I 1400 Series Advantage Service Manual Dom Int l 35 CONTROL BOX 1452 1453 BLOW UP...

Page 36: ...mer P 369803 Control Conveyor Q 369838 Thermostat Hi Limit R 369801 Thermostat Temperature Control S 350224 Lens Yellow T 369154 7 Amp Circuit Breaker U 369125 Terminal Block V 369523 Relay Motor Powe...

Page 37: ...Impinger I 1400 Series Advantage Service Manual Dom Int l 37 CONTROL BOX 1454 1455 BLOW UP...

Page 38: ...ulti Block V 369570 Connector 3 Pole W 369571 Connector 4 Pole X 369398 Solenoid Valve 1456 1457 369889 Solenoid Valve 1474 1475 1476 Y 369702 Main Burner Orifice NAT 369099 Main Burner Orifice LP 370...

Page 39: ...Impinger I 1400 Series Advantage Service Manual Dom Int l 39 CONTROL BOX 1456 1457 1474 1475 1476 BLOW UP...

Page 40: ...B 369800 Motor Main Fan 60 Hz 369214 Motor Main Fan 50 Hz C 369033 Motor Clamp D 369215 Motor Support Assy E 369192 Capacitor 7 5 MFD F 369306 Oven Back Assy Gas G 369646 Stand Off H 369647 Inlet Pane...

Page 41: ...Impinger I 1400 Series Advantage Service Manual Dom Int l 41 OVEN BACK GAS ELECTRIC BLOW UP...

Page 42: ...yor Belting 370092 Conveyor Belting 1 Foot Section B 369825 Retaining Ring C 369813 Conveyor Bearing Block D 369314 Roll Conveyor Notched E 369812 Conveyor Idler Shaft F 369160 Conveyor Pan Stop G 369...

Page 43: ...Impinger I 1400 Series Advantage Service Manual Dom Int l 43 CONVEYOR 1450 SERIES BLOW UP...

Page 44: ...Int l 44 Lincoln Foodservice Products LLC 1111 North Hadley Road Fort Wayne Indiana 46804 United States of America Telephone 260 459 8200 U S Facsimile 888 790 8193 Int l Facsimile 260 436 0735 Techn...

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