operator`s manual holman conveyor toasters models th14, tbh14 for
Contents
1. 26 NS z gt HOLMAN i E Model TH14 amp TBH14 Conveyor Toaster 13 2U 200560 1 Fan Motor Fi 14 2 200700 1 Idler Bushin No Qty Deserpian 15 2R 200562 1 Fan Grill 1 GC 400847 1 Top Cover 16 GB 100905 1 Idler Shaft HL 197863 4 Heater Tube 240 Volt 17 HO 100508 1 Crumb Tray a HT 197852 4 Heater Tube 220 Volt 18 2J 200538 2 Infinite Switch HT 197851 4 Heater Tube 208 Volt Parallel 19 SP 118042 1 Speed Control 2 p 197862 4 re 208 Volt Series 20 2E 200566 1 Reset SWIER 21 2R 200702 2 Knob Infinite Switch HT 197845 4 22 2R 200708 1 Knob Speed Control 3 HW 400967 2 Retainer Heater Tube 23 2E 115142 q a Power Saver Switch Toggle 4 HM 160004 1 2 200511 Power Saver Switch Rotary 5 HW 400931 1 Back Panel Lower 23 a 2E 200546 1 Bun Mode Switch TBH14 5 a HW 400930 1 Back Panel Upper 24 2R 200709 4 Leg 1 Plastic 6 HW 401382 1 Side Panel Left 25 2E 200374 1 Cord Plug Set 12 3 6 30 6 a HW 400979 1 Side Panel Right 26 HW 400919 1 Toast Chute 7 2P 150013 1 Drive Chain 27 HM 401089 1 Nose Gaurd 8 2P 200645 1 Drive Sprocket 28 HM 400899 1 Heat Shutter 9 2P 200645 1 Driven Sprocket 29 2P 200736 2 Spring not shown 10 HT 100902 1 Drive Shaft Mit 2M 200841 4 Label Bun Mode 11 HA 112261 1 Bearings 2M 200806 Label Control Box 12 2U 200509 1 Drive Motor 60Hz2. DANE BACK SIDE OF UNIT MOTOR SHOWING CONTROL BOX FAN MOTOR RESET HIGH LIMIT REAR BEARING DRIVEN SPROCKET DRIVE CHAIN DRIVE SPROCKET TROUBLESHOOTING GUIDE CONT ON PAGE 8 REVISED 1 28 97 MJC PAGE 8 OPERATOR S MANUAL HOLMAN CONVEYOR TOASTERS MODELS TH14 TBH14 TROUBLESHOOTING GUIDE CONT E CONVEYOR TURNS AT ONE SPEED REGARDLESS OF SPEED CONTROL SETTING 1 Call Holman Factory Service Department at 1 800 264 7827 as speed control should be replaced MAINTENANCE PROCEDURES A REPLACING HEATER TUBES as below 1 DISCONNECT UNIT FROM POWER SOURCE 2 Remove right and left side panels 3 Remove heater tube wire from terminal block connection keeping top and bottom wires separate 4 Remove heater tube retainers by removing retaining screws with washer 5 Gently pull defective heater tube out of unit 6 Gently put new heater tube into unit 7 Replace heater tube retainers reconnect heater tube wires to terminal block and install side panels lt HEATER TUBE RETAINEF 3 1 SPEED CONTROL 15 2 INFINITE SWITCH amp sPEED CONTROL KNC L 4 INFINITE SWITCH KNO 5 REAR BEARING TERMINAL BLOCK ADJUSTABLE HEAT SHUTTER TO ADJUST HEATER TUBES LOSEN SCREW AT CENTER AND SLIDE UF OR DOWN HEATER TUBE RETAIN
3. olman A Star Manufacturing Company OPERATOR S MANUAL HOLMAN CONVEYOR TOASTERS MODELS TH14 TBH14 FOR SERVICE INFORMATION U S AND CANADA CALL 1 800 264 7827 24 HOURS DAY 7 DAYS WEEK TABLE OF CONTENTS UNCRATING AND INSPECTION PAGE 1 ASSEMBLY AND INSTALLATION PAGE 1 2 POWER SAVER SWITCH TH14 ONLY PAGE 2 FRONT BEARING ASSEMBLY PAGE 2a COOKING PROCEDURES PAGE 3 4 CLEANING PROCEDURES PAGE 5 TROUBLESHOOTING GUIDE PAGE 6 7 8 MAINTENANCE PROCEDURES PAGE 8 9 10 PARTS LIST PAGE 11 LIST OF ILLUSTRATIONS CRUMB TRAY INSTALLATION PAGE 1 POWER SAVER MODE SWITCH PAGE 2 ADJ HEAT SHIELD FRONT VIEW PAGE 3 COMPONENT ARRANGEMENT PAGE 7 8 AIR INTAKE VENT PAGE 5 6 DRIVE SYSTEM PAGE 7 HEATER TUBE INSTALLATION PAGE 8 WIRING DIAGRAMS PAGE 12 13 2M HG0108 REVISED 4 4 2011 1 OPERATOR S MANUAL HOLMAN CONVEYOR TOASTERS MODELS TH14 TBH14 UNCRATING AND INSPECTION Unpack unit and components from container Remove all visible packing material inspect unit for damage If damage is discovered file a claim immediately with the carrier that handled the shipment ASSEMBLY AND INSTALLATION A Attach legs by screwing into weld nuts as shown aa HOLMAN c XN ADJUSTABLE LEG SCREWS INTO WELD NUT LOCATED AT EACH CORNER ON BOTTOM SIDE OF TOASTER lt LEVELING OF THE TOASTER CAN BE DONE BY TURNING THE FOOT SECTION OF THE LEG COUNTER CLOCKWISE B Anti Skid p
4. 1 12 a 2U 200590 Drive Motor 50Hz NOTE 6 ea Heater Tubes In Models TBH14 and TH14NY REV 4 4 2044 RMS HL 197862 208V HL 197863 240V 07 06 11 BBE STAR INTERNATIONAL HOLDINGS INC COMPANY Star Holman Lang Wells Bloomfield Toastmaster 10 Sunnen Drive St Louis MO 63143 U S A 314 781 2777 www star mfg com
5. OR DOWN FRONT IDLER SHAFT CONVEYOR SPEED CONTROL TOP HEAT POWER SAVER 14 OR lt un mone TBH14 BOTTOM HEAT 2 Turn top and bottom heat controls to HI turn conveyor speed control to 50 3 Allow warm up time of 5 to 10 minutes 4 Test with a slice of bread a If toast is too light turn conveyor speed control counterclockwise b If toast is too dark turn conveyor speed control clockwise B MODEL TBH14 BUN TOASTING AND BREAD TOASTING The model TBH14 is equipped with a Toast Bun mode switch and has six heater tubes four on top and two on bottom In the Bun position all four top tubes are energized for bun toasting with no bottom heat CAUTION In bun mode both top and bottom variable heat controls must be in the HI position for all four top tubes to heat the top heat control regulates the front and rear tubes while the bottom heat control regulates the two center tubes COOKING PROCEDURES CONT ON PAGE 4 REVISED 2 28 95 MJC PAGE 4 OPERATOR S MANUAL HOLMAN CONVEYOR TOASTERS MODELS TH14 TBH14 MODEL TBH14 BUN TOASTING CONT 1 On models TBH14 mode switch in BUN position lower the front heat shield as far as possible leaving just enough clearance for the bun half to pass under and into the toasting cavity BUN MODE TOP HEAT ONLY di TOAST MODE TOP amp BOTTOM HEAT 2 Buns will be top toasted only no bottom heat 3 Test with a half of a bun a If bu
6. TOP HEAT Heater Tube 208 Volt 197862 240 Volt 197863 v s NN BUN MODE SWITCH 200546 F DRIVE MOTOR 200551 200509 reka SAVER 118042 SPEED CONTRO ike HE 11 LIMIT SWITCH Es 115146 OR 27 ED i 200538 BOTTOM HEAT 7 2o LETE 1 L2 G 140031 Cord Set TDL14SCM DS4 REV 10 24 96 MJC 07 06 11 NOTE 6 ea Heater Tubes In Models TBH14 and TH14NY REV 2 4 66 NtJe PAGE 12 OPERATOR S MANUAL HOLMAN CONVEYOR TOASTERS MODELS TH14 TBH14 WIRE DIAGRAM TBH14 HL 197862 208V HL 197863 240V Top Heat 4 Nu SN ONS NZ 2 NSO SS FOS DES NZ ZAZ VII Bottom Heat Bun Mode Speed Control Conveyor Motor HD blue 220 240 vac udi Loss common white 208 vac EN 11 High Limit edd es Reset anne H2 H1 XR B n L2 L1 Cooling 3 N gt Fan k ui TO Plug Configuration NEMA 6 30 P d REV 3 5 99 MJC To Heat Control Bottom Heat Control PAGE 11 OPERATOR S MANUAL HOLMAN CONVEYOR TOASTERS MODELS TH14 TBH14 PARTS LIST VOLO 28 SD rd LU gt 27 20 n 23 23a
7. conveyor belt control set at appropriate settings OFF NEW STYLE Two off positions are provided so that a single rotation to either direction will result in the unit being turned OFF OFF OLD STYLE center position of the toggle switch turns the unit completely OFF regardless of heat and speed control settings STANDBY 1 4 power standby To resume toasting return to full power and make a slight reduction in belt speed This slower belt speed allows you to start toasting immediately while the unit is returning to full heat No need to disturb heat settings REVISED 2 28 95 MJC Page 2a OPERATOR S MANUAL HOLMAN CONVEYOR TOASTERS MODELS TH14 TBH14 SPRING LOADED FRONT BEARING ASSEMBLY Your Holman Conveyor Toaster is equipped with a spring loaded front bearing assembly as shown below in fig 1 The spring loaded bearing assembly keeps the conveyor belt at a constant tension as the unit heats up and cools down The conveyor belt is set to the proper tension when the white teflon bushing is flush with the end of the extension as shown in fig 2 Fig 1 Fig 2 REVISED 2 5 00 MJC PAGE 3 OPERATOR S MANUAL HOLMAN CONVEYOR TOASTERS MODELS TH14 TBH14 COOKING PROCEDURES A MODEL TH14 BREAD TOASTING 1 Lower the front heat shield all the way down leaving just enough clearance for bread slices to pass under the shield into the toasting cavity ADJUSTABLE HEAT SHUTTER TO ADJUST LOOSEN SCREW AT CENTER AND SLIDE UP
8. ER SCREW N 2 pA WASHER NN FRONT IDLER SHAFT CONVEYOR SPEED CONTROL POWER SAVER TH14 OR TOP HEAT 9 BUN MODE SWITCH TBH14 BOTTOM HEAT TROUBLESHOOTING GUIDE CONT PAGE 9 REVISED 1 28 97 MJC 9 OPERATOR S MANUAL HOLMAN CONVEYOR TOASTERS MODELS TH14 TBH14 MAINTENANCE PROCEDURES CONT B REPLACING FAN MOTOR 1 DISCONNECT UNIT FROM POWER SOURCE 2 Remove control box cover at lower rear of unit 3 Unplug power supply cord from fan motor 4 From the underside of unit remove 4 screws which hold fan motor in place 5 Putreplacement motor in place and secure to the unit with screws 6 Reconnect power supply cord to fan motor 7 Replace control box cover E BACK SIDE OF UNIT SHOWING CONTROL BOX FAN CORD FAN MOTOR xb ve S FAN MOTOR E Boe lt FAN MOTOR MOUNTING SCREWS TROUBLESHOOTING GUIDE CONT PAGE 10 REVISED 2 28 95 MJC 10 OPERATOR S MANUAL HOLMAN CONVEYOR TOASTERS MODELS TH14 TBH14 MAINTENANCE PROCEDURES CONT C REPLACING BELT DRIVE MOTOR 1 DISCONNECT UNIT FROM POWER SOURCE 2 Remove right side panel and lower control box cover 3 Remove sprocket from motor shaft 4 Remove the wire from terminal block connecting the drive motor to internal wiring On units rated 208 or 240 volts note which color leads are being used for th
9. This heat limit switch can be reset manually by pushing the red button at the bottom of the control box rTT 134r TFT T1 PP f TTS 44 TE TE SINE eval als MI BOTTOM VIEW OF UNIT AIR INTAKE RESET HIGH LIMIT SWITCH THE HEAT LIMIT SWITCH IS ACTIVATED WHEN THERE IS NOT SUFFICIENT AIR FLOW GENERATED BY THE COOLING FAN IF THIS SHOULD OCCUR 1 DISCONNECT UNIT FROM POWER SOURCE 2 Check to see if air intake vent in the bottom center of the control box is free of dust grease or other obstructions 3 Check if crumb tray is in place NEVER OPERATE UNIT WITHOUT CRUMB TRAY IN PLACE AS THIS CAUSES OVERHEATING IN THE CONTROL BOX 4 If no obstructions to the air flow can be found and if the crumb tray is in place call Holman Factory Service Department at 1 800 264 7827 for assistance TROUBLESHOOTING GUIDE CONT ON PAGE 7 PAGE 7 OPERATOR S MANUAL HOLMAN CONVEYOR TOASTERS MODELS TH14 TBH14 TROUBLESHOOTING GUIDE CONT D CONVEYOR WILL NOT TURN UNIT HEATS PROPERLY 1 DISCONNECT UNIT FROM POWER SOURCE 2 Remove right hand side panel from operator s position Remove drive chain from sprocket and motor shaft as shown Manually move conveyor belt to check for mechanical binding If conveyor moves freely call Holman Factory Service Department at 1 800 264 7827 as drive motor and or speed control may need replacement
10. ads are available at no charge and may be adhered to the foot section of each leg to prevent sliding Call 1 800 264 7827 for details WARNING Use of these pads are not approved by the National Sanitation Foundation C Be sure the crumb tray and unload chute are properly installed as shown INSERT CRUMB TRAY AS SHOWN INNER SKIN TOAST CHUTE CAUTION DO NOT OPERATE UNIT WITHOUT CRUMB TRAY PROPERLY POSITIONED WARNING MAKE SURE ALL INPUT POWER IS OFF BEFORE INSTALLING REMOVING ANY PARTS WARNING BEFORE INSTALLING UNIT S CHECK WITH LOCAL POWER COMPANY TO DETERMINE ACTUAL VOLTAGE AT JOB SITE NEVER PLUG A 208 VOLT UNIT INTO 240 VOLTS OR A 240 VOLT UNIT INTO 208 VOLTS WARNING BE ABSOLUTELY SURE THE GROUND CONNECTION FOR THE RECEPTACLE IS PROPERLY WIRED NEVER CONNECT UNIT TO POWER WITHOUT PROPER GROUND CONNECTIONS IMPROPER GROUND MAY RESULT IN SEVERE INJURY OR FATALITY REVISED 2 27 95 MJC 2 OPERATOR S MANUAL HOLMAN CONVEYOR TOASTERS MODELS TH14 TBH14 POWER SAVER SWITCH MODEL TH14 ONLY Your Holman toaster Model TH14 only is equipped with a Power Saver details are as follow NEW STYLE ROTARY POWER SAVER FULL POWER Y OFF 1 4 POWER STAND BY OLD STYLE TOGGLE POWER SAVER gt FULL POWER oF STAND BY FULL POWER Normal operating position with top and bottom variable heat controls and variable speed
11. ay back into position DO NOT OPERATE UNIT WITHOUT CRUMB TRAY IN PLACE AS THIS CAUSES OVERHEATING IN THE CONTROL BOX AND MAY ACTIVATE THE LIMIT SWITCH BOTTOM VIEW OF UNIT AIR INTAKE RESET HIGH LIMIT 6 Wipe exterior surface of unit TOP VIEW IDLER SHAFT DRIVE SHAFT CONVEYOR LINK CONVEYOR BELT SHOWN WITHOUT TOP COVER LUBRICATION OF DRIVE CHAIN WITH A GRAPHITE BASED LUBRICANT IS REQUIRED AS PERIODIC MAINTENANCE CALL HOLMAN FACTORY SERVICE DEPARTMENT FOR DETAILS REVISED 1 28 97 MJC 6 OPERATOR S MANUAL HOLMAN CONVEYOR TOASTERS MODELS TH14 TBH14 TROUBLESHOOTING GUIDE A UNIT WILL NOT HEAT DRIVE MOTOR WILL NOT RUN 1 Be sure main circuit breaker is switched to the ON position 2 Checkto see if toaster is plugged in and all controls turned on B UNIT WILL NOT HEAT DRIVE MOTOR RUNS PROPERLY 1 Check to see if both top and bottom heat control have been turned to 2 Press heat limit reset button on the bottom of the control box as shown below If this reactivates the heater tubes see HEAT LIMIT SWITCH in section C C HEAT LIMIT SWITCH Your Holman conveyor toaster is equipped with an automatically activated temperature heat limit switch which interrupts the heater tube connections if the air temperature in the control box exceeds 190F 88C
12. ese connections and which lead is capped with white tape The new motor should use the same arrangement Remove screws holding motor in place Put new motor in place and attach loosely with mounting screws Replace sprocket on motor shaft Slide motor until the drive chain has about 1 8 slack when lightly pushed at the center of its top open run 9 Tighten screws to secure motor 10 Rewire leads same as removed in step 4 11 Replace side panel and control box cover WASHERS BACK SIDE OF UNIT 7 SHOWING CONTROL BOX SCREWS N V FEN KG ar ES d nas f Ez gt d SPROCKET FAN MOTOR RESET E IF ASSISTANCE IS REQUIRED FOR THIS OR ANY OTHER PROCEDURE IN THIS MANUAL CALL HOLMAN FACTORY SERVICE DEPARTMENT AT 1 800 264 7827 24 HOURS DAY 7 DAYS WEEK PLUG CONFIGURATION 6 30P 30 AMP POWER SAVER 2 HOLMAN CONVEYOR TOASTERS MODELS TH14 TBH14 WIRE DIAGRAM MODEL TH14 TOP HEAT 3 N y Ve E 5 AONO p ANS RC y ipe BOTTOM HEAT CONVEYOR MOTOR SPEED CONTROL BLUE 220 240 VAC ILACK COMMON WHITE 208 VA E RESET SWITCH GROUND REV 4 2 99 MJC OPERATOR S MANUAL HOLMAN CONVEYOR TOASTERS MODEL TBH14
13. ns are too light turn conveyor speed control counterclockwise b If buns are too dark turn conveyor speed control clockwise MODEL TBH14 BREAD TOASTING In the Toast position two top tubes and two bottom tubes are energized for bread toasting BUN MODE TOP HEAT ONLY N TOAST MODE TOP amp BOTTOM HEAT For proper bread toasting instructions refer to Page 3 Par A C DEEP TOASTING OR BAKING Units with Variable Heat Controls Food products that require deep cooking without exterior burning may be cooked by reducing the oven temperature lowering the top and or bottom heat controls and cooking at slower speeds Some foods may require more top heat than bottom heat or vice versa Every product will require some experimentation to arrive at the correct balance of heat control and conveyor speed settings CAUTION Each time a setting is changed allow about 5 minutes for the unit to stabilize REVISED 2 28 95 MJC OPERATOR S MANUAL HOLMAN CONVEYOR TOASTERS MODELS TH14 TBH14 CLEANING PROCEDURES 1 2 Turn top and bottom heat controls to the OFF position PAGE 5 For lightly soiled conveyor belts turn conveyor speed control to fastest setting 100 and wipe with a damp cloth For heavily soiled conveyors turn conveyor speed control to fastest setting 100 and wipe with a light abrasive pad Turn conveyor speed control off After the unit cools remove interior crumb tray and clean Slide crumb tr
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