Manuals / Lincoln / Kitchen Appliance / Convection Oven

Lincoln 1100 Series Motor, Burner Blower, To Remove Blower Motor, Shut off power at main breaker

Models: 1100 Series

1 92

Download 92 pages 44.78 Kb

Page 49

MOTOR, BURNER BLOWER

This unit comes equipped to be used for other models of ovens. For use on the

Impinger II Series, the mating plug with the loose wires may be discarded.

TO REMOVE BLOWER MOTOR:

1.Shut off power at main breaker.

2.Remove conveyor.

3.Remove control compartment covers.

4.Disconnect the plug on blower motor. Plastic locks on side of plug need to be depressed.

5.Remove three screws holding blower horn to burner.

6.Remove air shutter from old unit and install on new unit. If air shutter of old unit is damaged or lost, replace with new air shutter 369401.

7.Reassemble in reverse order.

8.Adjust air shutter opening if necessary. Set air shutter at 50% open andadjust to get a blue flame with an occasional tip of yellow under high flame. A glass view port in the burner assembly should be used to observe flame.

CLEANING OF THE BLOWER FAN IS NECESSARY ON A PREVENTIVE MAINTENANCE SCHEDULE. See Blower Wheel, Burner below

BLOWER WHEEL, BURNER

This is part of the burner blower motor assembly

TO REMOVE THE BLOWER WHEEL FOR PERIODIC CLEANING:

1.Disconnect power and remove control compartment covers.

2.Remove air shutter held by 3 screws.

3.Loosen set screw on blower wheel hub and pull straight out.

4.Reassemble in reverse order.

NOTE: There is no critical placement of the blower wheel on the motor shaft. Just back as far as it will go and then spin the blower to be sure it is not rubbing.

Impinger II - 1100 Series Service Manual - International

49

Image 49

Lincoln 1100 Series Motor, Burner Blower, To Remove Blower Motor, Shut off power at main breaker, Remove conveyor

Contents

IMPINGER CONVEYOR OVENS SERVICE MANUALMODEL 1100 SERIES INTERNATIONALTABLE OF CONTENTS SEQUENCE OF OPERATIONS 1104 thru the display into a temperature reading SEQUENCE OF OPERATION 1134 - 1135 - 1136 - S/N 2011383 and above SEQUENCE OF OPERATIONS - 2011383 and above SEQUENCE OF OPERATIONS 1152 thru intervals to maintain desired temperature by the display into a temperature reading temperature readingSCHEMATIC SCHEMATIC SCHEMATIC 1134, 1135, 1150, S/N 2011383 AND BELOW SCHEMATIC 1134, 1135 S/N 2011383 AND ABOVE SCHEMATIC 1150 S/N 2011383 AND ABOVE SCHEMATIC 1136, S/N 2011383 AND BELOW SCHEMATIC 1136, S/N 2011383 AND ABOVE SCHEMATIC 1151 S/N 2011383 AND BELOW SCHEMATIC 1151 S/N 2011383 AND ABOVE SCHEMATIC1152 THRU 1158 S/N 2011383 AND BELOW SCHEMATIC1152 THRU 1158 S/N 2011383 AND ABOVE SCHEMATIC1152 AND 1153 S/N 2011821 AND ABOVE SCHEMATIC 1154 THRU 1158 S/N 2011821 AND ABOVE MODELS 1152 - 1153 - 1154 - 1155 - 1156 - 1157 - TROUBLE SHOOTING GUIDE GAS OVENSNo main fan cool down have closed if control box temperature cool down WITH POWER OFF: Check for locked rotorBurner Switch switch. If switch is closed and voltageCheck for proper line voltage to Temperature Control Power Supply Ignition ControlThermocouple Probe Temperature Control Flame will not stay onthen the problem is usually with thetemperature bearings. TheInstallation and Operations Manual improper adjustment. Also check for wornPower Supply Check power supply at the DCDC Gearmotor surge in the incoming power lines. To eliminate Power Supplythis condition remove power from the time/temp switch for 15 seconds, or if display stays onTROUBLE SHOOTING GUIDE ELECTRIC OVENS Air Pressure Switch Switch, HeatThis normally open switch should close when the Temperature Controlas follows MODEL Main fan runs after Temperature Control LEADS ATTACHED TO THE TEMPERATUREWITH POWER OFF: remove the potentiometer leads from the temperature controlConveyor will not run MODEL 1151 200 VAC THREE PHASE 60 HZ TROUBLESHOOTING GUIDE ELECTRIC OVENRelay, Main Fan Mercury Contactor Heater Elements Oven heats with switch offMercury Contactor Intermittent HeatingSTEPPER MOTOR DRIVE Conveyor will not run of temperature sensors 12 VAC Power Supplyyellow wires, thermo red wire and 1 white wireexperienced, such as a rolling of IMPINGER II CONVEYOR OVEN REMOVAL, INSTALLATION, AND ADJUSTMENTRELAY, DPST 1.Shut off power at main breaker This is part of the burner blower motor assembly 1.Shut off power at main breakerTO REMOVE THE BLOWER WHEEL FOR PERIODIC CLEANING MOTOR, BURNER BLOWERAIR PRESSURE SWITCH Page Page 1.Shut off power at main breaker 1.Shut off power at the main breakerSOLENOID VALVE 1.Shut off power at main breaker 5.Loosen pipe union in piping assemblyIGNITION CONTROL 1.Shut off power at main breaker 1.Shut off power at main breaker 1.Shut off power at main breaker1.Shut off power at main breaker ORIFICE, MAIN BURNERLAMP, PILOT BURNER LENS, PILOT LAMP 1.Remove gearmotor assembly see “GEARMOTOR” Above OPTICAL ENCODER ASSEMBLY7.To adjust optical encoder TACH. GENERATOR 1.Turn off power at main breakerD C MOTOR CONTROL BOARD 4.Reverse wires fastened to terminals A+ and A 1.Turn off power and remove conveyor5.Reverse wires fastened to terminals T1 and T2 1.Turn off power 2.Remove conveyorTRANSFORMER, TIME/TEMP. DISPLAY MODEL 1100 SERIES OVENS SWITCH, DISPLAY, SET OVEN TEMPERATUREOHMS SWITCH, ON/OFF TRANSFORMER, STEP DOWN/120 VAC DIP SWITCHES FOR 50 SEC. TO 30 MIN. TIMES maximum speed potrefer HALL EFFECT SENSOR - REPLACEMENT AIR PRESSURE SWITCH, BURNER OR OVEN CAVITY BURNER ALARM - REPLACEMENT 1.Shut off power at main breakerMOTOR, BURNER BLOWER 2.Remove conveyorLETTER GENERAL –1100SERIESDESCRIPTION GENERAL 1100 SERIES BLOW UP 1136,1150,1151,1160 Thru1163 Page MODELS 1152 THRU CONTROL COMPARTMENT - FRONTLETTER DESCRIPTIONCONTROL COMPARTMENT – FRONT 1152-1158BLOW UP LETTER CONTROL COMPARTMENT – REARDESCRIPTION CONTROL COMPARTMENT – REAR BLOW UP MODELS CONTROL COMPARTMENT – REAR AND ABOVELETTER DESCRIPTIONMODELS 1130-1136,1150,1151S/N 2011383 AND ABOVE CONTROL COMPARTMENT – REAR BLOW UPMODELS 1160-1163S/N 2011978 AND ABOVE LETTER CONTROL COMPARTMENT – REARDESCRIPTION Page MODELS 1152 THRU 1158 S/N 2011821 AND ABOVE CONTROL COMPARTMENT – REARLETTER DESCRIPTIONPage LETTER OVEN BACK ASSEMBLY – 1100 SERIESDESCRIPTION OVEN BACK ASSEMBLY – 1100 SERIES BLOW UP LETTER GEARMOTOR ASSEMBLY – 1100 SERIESDESCRIPTION GEARMOTOR ASSEMBLY – 1100 SERIES BLOW UP LETTER CONVEYOR/DOOR – 1100 SERIESDESCRIPTION CONVEYOR/DOOR – 1100 SERIES BLOW UP This page intentionally left blank This page intentionally left blank