TRANSFORMER, STEP DOWN/120 VAC | Lincoln 1100 Series guide

TRANSFORMER, STEP DOWN/120 VAC

1.Shut off power at main breaker.

2.Remove Conveyor.

3.Remove control compartment covers.

4.Remove wires from transformer and mark for reassembly.

5.Remove 4 mounting screws from transformer base and replace.

6.Reassemble in reverse order.

FUSEHOLDER

1.Shut off power at main breaker.

2.Remove conveyor.

3.Remove control compartment covers.

4.Remove wires and mark for reassembly.

5.Remove fuseholder.

6.Reassemble in reverse order.

POWER CORD

1.Shut off power at main breaker.

2.Remove conveyor.

3.Remove control compartment covers.

4.Unfasten and mark for reassembly power cord wires.

5.Remove locknut from strain relief and pull cord from oven.

6.Reassemble in reverse order.

STEPPER CONTROL-REPLACEMENT-ADJUSTMENT

Removal and Installation

1.Remove conveyor.

2.Remove control box cover - front.

3.Remove three (3) screws from control assembly.

4.Disconnect wiring (push on connectors) from control board. NOTE: Proper location of connectors for reinstallation.

5.Reassemble in reverse order and check system operation.

6.Recalibrate conveyor control board.

WARNING: THIS CONTROL MUST NOT BE OPERATED WITH HEAT SINK DISCONNECTED OR BURNOUT WILL OCCUR IN SECONDS.

64	Impinger II - 1100 Series Service Manual - International

Image 64

Lincoln 1100 Series service manual TRANSFORMER, STEP DOWN/120 VAC

Contents

SERVICE MANUAL IMPINGER CONVEYOR OVENSMODEL 1100 SERIES INTERNATIONAL TABLE 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 temperature reading by the display into a temperature reading SCHEMATIC 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 TROUBLE SHOOTING GUIDE GAS OVENS MODELS 1152 - 1153 - 1154 - 1155 - 1156 No main fan cool down Burner Switch switch. If switch is closed and voltagepresent on one side only, replace switch Gas Pressure Switch Check for proper line voltage to Power Supply Ignition Control Flame will not stay onFlame Sensor Pilot lamp is on, but then the problem is usually with thetemperature improper adjustment. Also check for worn bearings. TheInstallation and Operations ManualPower Supply Check power supply at the DC DC Gearmotor surge in the incoming power lines. To eliminate this condition remove power from the time/tempswitch for 15 seconds, or if display stays on required. This should eliminate the problem. If TROUBLE SHOOTING GUIDE ELECTRIC OVENS Switch, Heat Air Pressure SwitchThis normally open switch should close when the adjustment knob to maximum temperature position as follows MODEL Main fan runs after WITH POWER OFF: To check resistance of the maintenance. Also, most of the problemsfor proper readings. If these readings are not achieved, replace thermocouple Conveyor will not run TROUBLESHOOTING GUIDE ELECTRIC OVEN MODEL 1151 200 VAC THREE PHASE 60 HZ Relay, Main Fan Mercury Contactor Heater Elements Conveyor will not run S/N 2011383 and aboveREFER TO PAGE REFER TO PAGE REFER TO PAGE REFER TO PAGE REFER TO PAGE 43 STEPPER MOTOR DRIVE Conveyor will not run 12 VAC Power Supply yellow wires, thermored wire and 1 white wire Thermocouple Probe Power Supply experienced, such as a rolling of REMOVAL, INSTALLATION, AND ADJUSTMENT IMPINGER II CONVEYOR OVEN RELAY, DPST 1.Shut off power at main breaker This is part of the burner blower motor assembly TO REMOVE THE BLOWER WHEEL FOR PERIODIC CLEANINGMOTOR, BURNER BLOWER TO REMOVE BLOWER MOTOR AIR PRESSURE SWITCH Page Page 1.Shut off power at the main breaker SOLENOID VALVE 1.Shut off power at main breaker5.Loosen pipe union in piping assembly HEATING ELEMENTS 1.Shut off power at main breaker IGNITION CONTROL 1.Shut off power at main breaker ORIFICE, MAIN BURNER 2.Shut off gas at main line to the oven4.Remove control compartment covers 5.Loosen 4 nuts holding manifold to burner cap LAMP, PILOT BURNER LENS, PILOT LAMP OPTICAL ENCODER ASSEMBLY 1.Remove gearmotor assembly see “GEARMOTOR” Above7.To adjust optical encoder TACH. GENERATOR 1.Turn off power at main breaker D C MOTOR CONTROL BOARD 1.Turn off power and remove conveyor 4.Reverse wires fastened to terminals A+ and A5.Reverse wires fastened to terminals T1 and T2 1.Turn off power 2.Remove conveyor TRANSFORMER, TIME/TEMP. DISPLAY MODEL 1100 SERIES OVENS OVEN TEMPERATURE SWITCH, DISPLAY, SETOHMS 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 4.Remove conveyor gear motor8.Remove top control compartment brace 10.Assemble in reverse order LETTER GENERAL –1100SERIESDESCRIPTION GENERAL 1100 SERIES BLOW UP 1136,1150,1151,1160 Thru1163 Page CONTROL COMPARTMENT - FRONT MODELS 1152 THRULETTER DESCRIPTION CONTROL COMPARTMENT – FRONT 1152-1158BLOW UP LETTER CONTROL COMPARTMENT – REARDESCRIPTION CONTROL COMPARTMENT - REAR BLOW UP MODELS AND ABOVE MODELS 1130-1136,1150,1151S/N 2011383 AND ABOVE CONTROL COMPARTMENT – REAR BLOW UPMODELS 1160-1163S/N 2011978 AND ABOVE LETTER CONTROL COMPARTMENT – REARDESCRIPTION Page CONTROL COMPARTMENT – REAR MODELS 1152 THRU 1158 S/N 2011821 AND ABOVELETTER DESCRIPTIONPage OVEN BACK ASSEMBLY – 1100 SERIES OVEN BACK ASSEMBLY – 1100 SERIES BLOW UP GEARMOTOR ASSEMBLY – 1100 SERIES GEARMOTOR ASSEMBLY – 1100 SERIES BLOW UP CONVEYOR/DOOR – 1100 SERIES CONVEYOR/DOOR – 1100 SERIES BLOW UP This page intentionally left blank This page intentionally left blank