Holman qt14 User's Manual
Contents
1. 47 WHT BLK IF FURTHER ASSISTANCE IS REQUIRED CONTACT STAR HOLMAN FACTORY SERVICE TEAM AT 1 800 807 9054 20 WIRING DIAGRAM 020513A QT14 W POT SPEED CONTROL SINGLE PHASE 208 220 240 seu 47 OHM DETAIL OF RESISTOR DIODE TERMINAL BLOCK MOLDED FAN CORDS BLK z _ TT ER 1 BLK YEL w A BLK BL WHT o IC pe WHT WHT 250 OHM POT PART OF 135702 ORN x IF FURTHER ASSISTANCE IS REQUIRED CONTACT STAR HOLMAN FACTORY SERVICE TEAM AT 1 800 807 9054 21 TOP HEATERS WINDOW SIDE CONTROL SIDE Se li FUSE SWITCH RESET SWITCH 250 OHM POT PART OF GE 135702 DRIVE MOTOR USE BLK WHT FOR 208V USE BLK BLU FOR 240V THIS DRAWING CONTAINS INFORMATION CONFIDENTIAL TO STAR MFG INTL INC NO REPRODUCTION OR DISCLOSURE OF ITS CONTENTS IS PERMITTED olman STAR MANUFACTURING INTERNATIONAL INC 020525 Rev 2 06 2006 MODEL QT14 380 220 60 3 phase 15 TUBE SERIES STAR MANUFACTURING 10 Sunnen Drive St Louis MO 63143 U S A 800 807 9054 314 781 2777 Parts amp Service 800 807 9054 www star mfg com2. Your infra red radiant style heating elements use a quartz sheath They are extremely effective and efficient in the bake as well as producing quick rise time from cold start to full bake However just like a light bulb quartz is brittle and can break from jarring or careless maintenance Long term degradation of quartz also occurs from air borne sugars salts and debris settling on the sheath For consistent performance replace your tubes at prescribed intervals 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 The following should be included in the container e 1ea baking oven with heaters and conveyor belt in place NOTE Remove heating element shipping supports e ea stainless steel unload tray 1ea stainless Bake Aid bracket tea Bake Aid magnet label 2ea crumb trays amp 4ea metal legs ASSEMBLY AND INSTALLATION 1 Attach legs by screwing into weld nuts ms ADJUSTABLE LEGS SCREW INTO BOTTOM OF UNIT 2 Anti Skid pads are available at no charge and may be adhered to the foot section of each leg to prevent sliding Call 1 800 807 9054 for details CAUTION The National Sanitation Foundation does not approve use of these pads 3 Install unit in its operating position The load amp unload ends must be at least 6
3. installation misuse wrong voltage wrong gas or operated contrary to the Installation and Operating instructions gt This warranty is not valid on Conveyor Ovens unless a start up check out has been performed by a Factory Authorized Technician PARTSWARRANTY Parts that are sold to repair out of warranty equipment are warranted for ninety 90 days The part only is warranted Labor to replace the part is chargeable to the customer SERVICES NOT COVERED BY WARRANTY 1 Travel time and mileage rendered beyond the 50 mile radius limit 10 Voltage conversions 2 Mileage and travel time on portable equipment see below 11 Gas conversions 3 Labor to replace such items that can be replaced easily during a daily cleaning 12 Pilot light adjustment routine ie removable kettles on fryers knobs grease drawers on griddles etc 13 Miscellaneous adjustments 4 Installation of equipment 14 Thermostat calibration and by pass adjustment 5 Damages due to improper installation 15 Resetting of circuit breakers or safety controls or reset buttons 6 Damages from abuse or misuse 16 Replacement of bulbs 7 Operated contrary to the Operating and Installation Instructions 17 Replacement of fuses 8 Cleaning of equipment 18 Repair of damage created during transit delivery amp 9 Seasoning of griddle plates installation OR created by acts of God PORTABLE EQUIPMENT Star will not honor service bills that include travel time and mileage charges for se
4. round part of the keyhole with the tube Re tighten one or two of the screws to hold the retainer up 7 Select the first heater tube to be replaced and remove the wires from terminal block connections both sides IF FURTHER ASSISTANCE IS REQUIRED CONTACT STAR HOLMAN FACTORY SERVICE TEAM AT 1 800 807 9054 13 Gently slide one heater tube out of hole in warmer wall Select new heater tube to be installed To ease installation a short piece of tubing such as an automotive brake line or sipping straws may be used Insert heater tube wire into one end of tubing Slide the tubing over the wire and use the tube to guide the wire and heater tube through the body of the machine 10 11 12 13 14 15 NOTE Top and bottom tubes are of different wattage ratings Make sure that the correct tubes are being replaced or toasting will be dramatically affected AR When the heater tube is installed correctly the ceramic end of the heater tube will stick out of the tube retainers Fig 7 Reconnect wires to terminal block and check connections Tug lightly on wire to ensure a good connection Repeat above steps for each heater tube Loosen the screw s holding the retainer secure and slide the retainer back to secure the heater tubes Secure all loose heater tube wires with high temperature wire ties IF FURTHER ASSISTANCE IS REQUIRED CONTACT STAR HOLMAN FACTORY SERVICE TEAM AT 1 800 807 9054 14 REPLACING FAN MOTORS Tur
5. A heavy buildup of dust and grease from the kitchen can cover parts inside the control box area and cause overheating IF FURTHER ASSISTANCE IS REQUIRED CONTACT STAR HOLMAN FACTORY SERVICE TEAM AT 1 800 807 9054 CONVEYOR WILL NOT TURN UNIT HEATS PROPERLY o DISCONNECT UNIT FROM POWER SOURCE o Check both fuses replace if necessary Twin Fuse Block o Check for obstructions that may have caused a conveyor jam Utensils foil or large pieces of food could stall the motor If there are no visible obstructions try turning the belt manually If the belt turns remove the power supply panel and check for loose sprockets or chain Realign any loose sprockets and re tighten the setscrews making sure the setscrews seat on the flats of the motor and drive shafts Driven Sprocket Drive Chain Driver Sprocket o If further assistance is required contact the Star Holman Factory Service Team at 1 800 807 9054 24 hours day 7days a week COOLING FANS DO NOT START fans should start after the machine is warmed up DISCONNECT UNIT FROM POWER SOURCE Remove panels with fan motors and check fan blades for obstructions breakage Check motor cords for secure connection Call the Star Holman Factory Service Team as the fan switches and or fan motor s may need to be replaced 0000 IF FURTHER ASSISTANCE IS REQUIRED CONTACT STAR HOLMAN FACTORY SERVICE TEAM AT 1 800 807 9054 PREVENTIVE MAINTENANCE DAILY CLEANING PROCEDURES TO
6. AN 240V HIGH OUTPUT 33a PS Z10285 1 CONVEYOR MOTOR LEFT TO RIGHT QT14 50 60Hz 33b PS Z10286 1 CONVEYOR MOTOR RIGHT TO LEFT QT14R 50 60Hz PS Z10285 INCLUDES 2U Z9658 1 MOTOR AC 11 RPM CCW 2P 200652 1 SPROCKET DRIVEN 17 tooth 3 8 2P 200646 1 SPROCKET DRIVE 20 tooth 5 16 2C Z10075 1 SCREW 1 4 20X3 8 2A Z10161 1 SPACER STEEL 2M Z10161 1 INSTRUCTIONS QT14 DRIVE MOTOR REPLAC IMPORTANT WHEN ORDERING INCLUDE MODEL AND SERIAL NUMBER Some items are included for illustrative purposes only and in certain instances may not be available PARTS LIST February 23 2007 RevD HOLMAN CONVEYOR SANDWICH WARMER MODEL _QT14 QT14R HEATER TUBE LISTING GE 198077 GE 198078 GE 198080 GE 198081 GE 198082 GE 198083 GE 198087 GE 198077 6 10 6 10 6 10 9 6 Number Key Part Per Number Number Unit Description and Model Designation PS Z10286 INCLUDES 2U Z9657 1 MOTOR AC 11 RPM CW 2P 200652 1 SPROCKET DRIVEN 17 tooth 3 8 2P 200646 1 SPROCKET DRIVE 20 tooth 5 16 2C Z10075 1 SCREW 1 4 20X3 8 2A Z10161 1 SPACER STEEL 2M Z10161 1 INSTRUCTIONS QT14 DRIVE MOTOR REPLAC 34 2R 200721 1 FAN BLADE CONVEYOR MOTOR 35 2R 200562 1 FAN GUARD COOLING FAN 36 2R 200761 1 KNOB SPEED CONTROL 37 GE 118067 1 SPEED CONTROL POTENETIOMETER 38 2Q 200588 1 WINDOW NEO SARAMA 39 2A Z0314 4 LEG 4 40 GE 160031 1 CONVEYOR BELT W 3 LINKS 82 5 LONG 41 2B 200620 3 CONVEYOR BELT SINGLE SPACE CLIP 42 2P 200785 2 BEAR
7. D THE MOTOR TO MAKE SURE THEY DO NOT GET PUSHED INTO THE SPROCKETS Mounting screws for panels should be started by hand and then tightened with a screwdriver 6 For exterior portions of unit that are heavily soiled an abrasive pad may be used for cleaning Be sure to pass the pad in the direction of the grain in the metal to maintain the surface s finish Lightly soiled surfaces may be cleaned with a damp cloth and mild cleaner 7 Reconnect unit to power supply and test for proper operation IF FURTHER ASSISTANCE IS REQUIRED CONTACT STAR HOLMAN FACTORY SERVICE TEAM AT 1 800 807 9054 ARON LONG TERM CLEANING PROCEDURES every 6 months Turn power off and allow cooling fans to run until the control box is cooled off The fans are controlled by a thermostat in the control box DISCONNECT UNIT FROM POWER SUPPLY OR TURN POWER OFF AT WALL BREAKER BE SURE THE SANDWICH WARMER IS COMPLETELY COOLED BEFORE PERFORMING ANY OF THE FOLLOWING PROCEDURES 1 With the power off allow the unit to cool completely Place Sandwich Warmer on non extension end Remove screws holding control box covers in place and remove NOTE TO PREVENT DAMAGE TO CONTROLS OR ELEMENTS DO NOT SET THE MACHINE ON SIDE PANELS TO PREVENT DAMAGE TO ACCESSORIES REMOVE CRUMB TRAYS AND UNLOAD TRAY BEFORE LIFTING OVEN TO UPRIGHT POSITION Remove screws holding control box covers in place and remove Using a vacuum clean the inside of control box Wipe an
8. EW REFER TO THE PARTS LIST SPECIFIC TO YOUR MODEL FOR MORE DETAIL INFORMATION PARTS LIST HOLMAN CONVEYOR SANDWICH WARMER MODEL _QT14 QT14R February 23 2007 RevD Number Key Part Per Number Number Unit Description and Model Designation 1 GE 100715 1 BELT SUPPORT 2 GE 100991 1 TOP COVER 3 GE 101390 1 WINDOW SPACER 4 GE 402340 2 PANEL FANMOUNT 5 GE 402356 1 PANEL PLAIN SIDE 6 GE 402705 1 PANEL POWER INPUT 7 GE 402609 1 PANEL CONTROL SIDE 8 GE 402689 1 PANEL UPPER BACK 9 GE 101028 1 PANEL LOWER BACK 10 GE 402709 1 ELECTRICAL BOX POWER INPUT 11 GE 402710 1 ELECTRICAL BOX COVER 12 GE 402729 1 BAKE AID BRACKET 13 2M 200816 1 BAKE AID MAGNET 14 GE 402651 2 HEATER TUBE RETAINER SMALL 15 GE 402359 1 HEATER TUBE RETAINER LARGE 16 GE 402631 1 WINDOW RETAINER OUTSIDE 17 GE 402344 2 CONTROL BOX COVER 18 GE101029 2 CRUMB TRAY 19 GE 402654 1 CRUMB TRAY LOWER 20 GE 100944 1 UNLOAD TRAY 21 GE 402610 1 CONVEYOR END GUARD 22 2P 115362 1 SPROCKET DRIVEN 25B11x3 8 23 2P 200650 1 SPROCKET DRIVEN 25B24x5 16 24 2P 150000 1 CHAIN DRIVE 25x16 25 2J 200427 1 PILOT LIGHT RED 26 2E 200552 1 SWITCH MAIN ON OFF 27 2E 200566 1 SWITCH OVERTEMP RESET 28 2E 200574 1 SWITCH FAN COOLDOWN 29 2E 200596 2 FUSE 15A TYPE G 30 2E 200597 1 FUSEHOLDER 2 POSITION TYPE G 31 2E Z8966 1 CONTRACTOR RELAY 1 PHASE OVENS 31b 2E 200573 1 CONTRACTOR RELAY 3 PHASE OVENS QT14R V12 32 2U 200577 2 COOLING F
9. Holman A Star Manufacturing Company ISO 9001 2000 REGISTERED 10 SUNNEN DRIVE ST LOUIS MO U S A 63143 PHONE 314 781 2777 FAX 314 781 3636 HOLMAN CONVEYOR SANDWICH WARMER MANUAL MODEL QT14 FOR SERVICE INFORMATION U S AND CANADA CALL TOLL FREE 1 800 807 9054 SUBJECT TABLE OF CONTENTS PAGE UNCRATING AND INSPECTION 1 ASSEMBLY AND INSTALLATION 1 amp 2 OPERATION 3 BASIC CLEANING PROCEDURES 3 amp 4 TROUGLESHOOTING 5 amp 6 PREVENTATIVE MAINTENANCE amp SCHEDULED CLEANING e DAILY CLEANING 7 amp 8 e WEEKLY BELT CLEANING 9 e MONTHLY CLEANING 10 amp 11 LONG TERM CLEANING 12 REPLACING HEATER TUBES 13 amp 14 REPLACING COOLING FANS 15 REPLACING BELT DRIVE MOTOR 16 amp 17 WARRANTY PAGE 18 PARTS LIST AND HEATER TUBE LISTING 19 21 WIRING DIAGRAMS 22 24 C Certain Models Electric Cooking Eguipment for the Food Service Industry Conveyor Toasters 8 Ovens Cheese Melters Broilers Pretzel Bakers 2M HG0500 RevC 2 22 06 Holman A Star Manufacturing Company Common Questions Myths and Misconceptions Misconception Reality Misconception Reality Misconception Reality Misconception Reality Misconception Reality of Holman Conveyor Ovens High Voltage 208v typical is always the same An oven designed for 208v should operate from 208 215v This range is typical of local power grids and daily fluctuations Some municipalities operate at 220 and 240v which w
10. ING SPRING LOADED 43 2P 200766 2 SPRING BEARING 44 GE 101254 1 DRIVE SHAFT ASSY W SPROCKETS 45 GE 101255 1 IDLER SHAFT ASSY W SPROCKETS 46 2A 101257 1 RETURN SHAFT ASSY W SPROCKETS 47 GB 112262 4 BEARING ASSY 3 8 FLANGED 48 2A 200672 3 SHAFT COLLAR 3 8 49 2M 201822 1 LABEL MAIN CONTROL 50 2E 200387 2 FAN CORD 51 2E 200554 6 TERMINAL BLOCK 12 TRIMMABLE WHITE ACCESSORIES 52 QTEXIT 14 EXIT SHELF FOR QT14 QUIZNO S 14 X 28 53 QTENTRY7 ENTRY SHELF FOR QT14 QUIZNO S NI 2E 200487 1 TERMINAL BLOCK 6 POSITION BLACK NI SP 115402 1 TERMIINAL BLOCK MAIN POWER BLACK NI 2M HG0300 1 VIDEO MAINTENANCE NI 1P Z8914 1 EXTREME PRESSURE MULTIPURPOSE SYNTHETIC GREASE 80 F TO 400 F TUBE 8 oz 675W 208V BOTTOM 375W 208V TOP 675W 240V BOTTOM 375W 240V TOP 700W 220V BOTTOM 375W 220V TOP 417W 208V TOP 3PHASE 675W 208V BOTTOM IMPORTANT WHEN ORDERING INCLUDE MODEL AND SERIAL NUMBER Some items are included for illustrative purposes only and in certain instances may not be available WIRING DIAGRAM 020514A QT14 W POT SPEED CONTROL THREE PHASE DELTA SOURCE IN RED j H SLOT LIG al I i WHT z as YEL BLK U BLK US T Q Q Q ORN BLK BLK WHT WHT RED RED 2 x SN fs ed v DETAIL OF E BLK ER RESISTOR DIODE 2 S nel ELE TERMINAL BLOCK 2E 7 DIODE 250 OHM POT PART OF GE 135702 x
11. KEEP YOUR HOLMAN MODEL QT14 CONVEYOR SANDWICH WARMER AT PEAK OPERATING EFFICIENCY THE FOLLOWING INSTRUCTIONS ARE RECOMMENDED Turn power off and allow cooling fans to run until the control box is cooled off The fans are controlled by a thermostat in the control box DISCONNECT UNIT FROM POWER SUPPLY OR TURN POWER OFF AT WALL BREAKER BE SURE THE SANDWICH WARMER IS COMPLETELY COOLED BEFORE PERFORMING ANY OF THE FOLLOWING PROCEDURES 1 Remove the unload tray as shown below a For lightly soiled tray clean with a damp cloth b For heavily soiled tray use an abrasive pad and mild cleaner 2 Remove crumb trays from beneath each end of conveyor belt and discard soiled aluminum foil If cleaning is necessary use a wet cloth and mild detergent cleaner Do not use a caustic cleaner to clean the crumb tray 3 Cover crumb tray with clean aluminum foil and return crumb tray to oven NOTE DO NOT RUN SANDWICH WARMER WITHOUT CRUMB TRAYS INSTALLED IF FURTHER ASSISTANCE IS REQUIRED CONTACT STAR HOLMAN FACTORY SERVICE TEAM AT 1 800 807 9054 Wipe exterior of unit with a damp cloth Wipe fan grills air intakes located on side of the unit to remove any dust build up using a damp cloth Reassemble unit making sure crumb trays are properly installed The crumb tray should slide into the slot on each side of the area under the belt 6 Clean the viewing window by removing the six thumbscrews on the rear of the sandwich warmer Remove th
12. e window trim ring Then remove the window spacer Then carefully remove the Neo Ceram glass Clean the Neo Ceram glass using the mild soap DO NOT use any abrasive cleaner or scrub pad A scratched glass is more easily broken and will get dirtier faster 8 Re assemble the viewing window by carefully placing the Neo Ceram glass back in Place the window spacer with the flanged side against the glass in Line up the six holes of the window trim ring with six holes on the side of the warmer and re install the thumbscrews IF FURTHER ASSISTANCE IS REQUIRED CONTACT STAR HOLMAN FACTORY SERVICE TEAM AT 1 800 807 9054 WEEKLY CONVEYOR BELT CLEANING PROCEDURES TO KEEP YOUR HOLMAN MODEL QT14 CONVEYOR SANDWICH WARMER AT PEAK OPERATING EFFICIENCY THE FOLLOWING INSTRUCTIONS ARE RECOMMENDED Turn power off and allow cooling fans to run until the control box is cooled off The fans are controlled by a thermostat in the control box DISCONNECT UNIT FROM POWER SUPPLY OR TURN POWER OFF AT WALL BREAKER BE SURE THE SANDWICH WARMER IS COMPLETELY COOLED BEFORE PERFORMING ANY OF THE FOLLOWING PROCEDURES 1 Remove the unload tray as shown in daily cleaning instructions earlier a For lightly soiled tray clean with a damp cloth b For heavily soiled tray use an abrasive pad and mild cleaner 2 Using a wire grill brush or dry abrasive pad clean the exposed surface of Conveyor Belt by passing the brush or pad back and forth across the surface of
13. from any vertical combustible surfaces Allow sufficient space for operating personnel Have an electrician connect input power to the unit in accordance with local electrical codes WARNING MAKE SURE ALL INPUT POWER IS OFF BEFORE INSTALLING REMOVING ANY PARTS WARNING BEFORE INSTALLING UNIT HAVE YOUR ELECTRICIAN CHECK WITH LOCAL POWER COMPANY TO DETERMINE ACTUAL VOLTAGE AT JOB SITE WARNING BE ABSOLUTELY SURE THE GROUND EARTH CONNECTION IS PROPERLY WIRED NEVER CONNECT UNIT TO POWER WITHOUT PROPER GROUND CONNECTIONS IMPROPER GROUND MAY RESULT IN SEVERE INJURY OR FATALITY 4 Before applying input power to the unit check heating elements for breakage Do not apply power to the unit if a broken tube is found If no broken tubes are found apply input power by switching the master On Off toggle to the ON position Turn conveyor belt speed control to the maximum setting and check all heater tubes and conveyor for proper operation IF FURTHER ASSISTANCE IS REQUIRED CONTACT STAR HOLMAN FACTORY SERVICE TEAM AT 1 800 807 9054 5 Allow approximately 5 to 8 minutes for the twin fan cooling system to come on Check the air intake fan area as noted below and be sure that there is a sufficient flow of air into the control box Air intake areas are located on each side of the control panel 6 If all heaters and conveyor system are operating properly turn the master On Off switch to the OFF position and allow unit to cool The fans will c
14. holding panel in place and remove panel Drive chain is now exposed 2 Check drive chain tension a When properly adjusted chain will have about 1 8 play but will not sag b To adjust drive chain tension remove power supply side panel and locate drive motor mounting screws located behind drive motor sprocket Loosen screws holding drive motor in place and slide drive motor forward or backward to adjust chain tension With proper chain tension retighten motor screws c Lubricate drive chain and sprocket teeth with a high temp synthetic or graphite based lubricant NOTE WD 40 and similar lubricants are not recommended Using an extreme pressure synthetic chain lubricant with a temperature range up to 400 F Apply liberally onto chain and sprockets This grease is available as part no 1P Z8914 IF FURTHER ASSISTANCE IS REQUIRED CONTACT STAR HOLMAN FACTORY SERVICE TEAM AT 1 800 807 9054 10 3 Clean air intake on the side of Sandwich Warmer by vacuuming any dust and debris built up on fan grill 4 Return unit to counter and remove screw holding power supply side panel in place Carefully lift panel up and out Two ground straps hold panel to oven chassis DO NOT REMOVE GROUND STRAPS OR DISCONNECT POWER SUPPLY CORD Vacuum any dust and debris from inside of unit repeat for opposite side 5 Replace all panels when done CHECK THAT ALL WIRES DO NOT GET PINCHED AS THE PANELS ARE REPLACED ALSO CHECK ANY WIRES AROUN
15. ing factory assembly a 1 8 side to side play is adjusted into the driveshaft to allow for 1 IF FURTHER ASSISTANCE IS REQUIRED 1 2 3 Unit must be cool Do not adjust the sprocket on the driveshaft Insert a 1 16 spacer drill bit etc between the driveshaft sprocket and the washer that is outside the bearing Measure the distance A while holding the sprocket against the spacer Adjust the sprocket on the drive motor so that dimension is equal to A yr CONTACT STAR HOLMAN FACTORY SERVICE TEAM AT 1 800 807 9054 Visit our Website at www star mfg com Email service star mfg com THOROUGHLY INSPECT YOUR UNIT ON ARRIVAL This unit has been tested for proper operation before leaving our plant to insure delivery of your unit in perfect condition However there are instances in which the unit may be damaged in transit In the event you discover any type of damage to your product upon receipt you must immediately contact the transportation company who delivered the item to you and initiate your claim with same If this procedure is not followed it may affect the warranty status of the unit LIMITED EQUIPMENT WARRANTY All workmanship and material in Star products have a one 1 year limited warranty on parts amp labor in the United States and Canada Such warranty is limited to the original purchaser only and shall be effective from the date the equip
16. ment is placed in service Star s obligation under this warranty is limited to the repair of defects without charge by the factory authorized service agency or one of its sub agencies Models that are considered portable see below should be taken to the closest Star service agency transportation prepaid gt Star will not assume any responsibility for loss of revenue gt On all shipments outside the United States and Canada see International Warranty The warranty period for the JetStar series six 6 ounce popcorn machines is two 2 years The warranty period for the Chrome Max Griddles is five 5 years on the griddle surface See detailed warranty provided with unit The warranty period for Teflon Dura Tec coatings is one year under normal use and reasonable care This warranty does not apply if damage occurs to Teflon Dura Tec coatings from improper cleaning maintenance use of metallic utensils or abrasive cleaners This warranty does not apply to the non stick properties of such materials gt This warranty does not apply to Special Products but to regular catalog items only Star s warranty on Special Products is six 6 months on parts and ninety 90 days on labor gt This warranty does not apply to any item that is disassembled or tampered with for any purpose other than repair by a Star Authorized Service Center or the Service Center s sub agency gt This warranty does not apply if damage occurs from improper
17. n power off and allow cooling fans to run until the control box is cooled off DISCONNECT UNIT FROM POWER SUPPLY OR TURN POWER OFF AT WALL BREAKER NOTE PERFORM THIS MAINTENANGE ONLY WHEN THE CONVEYOR SANDWICH WARMER IS COMPLETELY COOL Remove the panel with the fan that needs replaced Unplug the power supply cord Remove any wire ties holding the cord to the fan Disconnect the ground wire if present Remove the four screws attaching the fan and grill to the panel Place the new fan on the panel in the same orientation and re attach using the grill and screws Reconnect the power cord to the fan and secure it to the fan with wire ties in the original location Replace the air intake panel and turn on the machine ND 9r RE GO Check that both fans come on after the oven has heated up AIR INTAKE COVER UM AIRINTAKE FAN MOTOR SECURED BY 4 SCREWS IF FURTHER ASSISTANCE IS REQUIRED CONTACT STAR HOLMAN FACTORY SERVICE TEAM AT 1 800 807 9054 REPLACING BELT DRIVE MOTOR Turn power off and allow cooling fans to run until the control box is cooled off DISCONNECT UNIT FROM POWER SUPPLY OR TURN POWER OFF AT WALL BREAKER NOTE PERFORM THIS MAINTENANGE ONLY WHEN THE CONVEYOR SANDWICH WARMER IS COMPLETELY COOL 1 Remove the unload tray and crumb trays 2 Lift the machine to stand on the unload end The machine can then be rotated again to rest it on the top This will give the most
18. ontinue to circulate cool air throughout the unit until the internal temperatures have been decreased 7 If a problem is discovered during start up procedures immediately turn the Master On Off switch to the OFF position and call the Holman Cooking Equipment Factory Service Team at 1 800 807 9054 8 The unload tray has a key hole slot on the end of the tray that will slide over the two screw heads on the end of the oven as shown below a F lt 2 v T 3 A 2 Dan Y M i bu 1 NA 1 M 5 41 Vi N lt y m 7 A BEN 3 J 9 crumb trays slide into each end of the warmer under the conveyor slot is formed by two pieces of metal on each side of the area for the tray to slide into The crumb trays are important by keeping the interior of the machine clean and reflecting heat away from the controls inside the bottom of the machine back up to the sandwiches A layer of aluminum foil on the tray check that it will not interfere with the conveyor will make the tray more reflective and make cleanup quicker IF FURTHER ASSISTANCE IS REQUIRED CONTACT STAR HOLMAN FACTORY SERVICE TEAM AT 1 800 807 9054 OPERATION 1 Turn Master On Off switch to the ON position and variable speed control to fastest time setting Allow 1 hour for complete machine warm up Adjust speed control to desired speed Adjust speed as required d
19. ould require design variations Improper voltage can result in reduced control performance and reliability Voltage mismatches or daily fluctuations can be monitored for corrective action The under carriage of your oven is a safe haven for paper wraps and utensils The high speed fan is the lungs of your oven The oven has under clearance to maximize fan performance cooling safety and reliability Please maximize the air circulation to your fan and clean the debris on fan grill often Note Beware of paper and plastic wraps being drawn into fan grill Vent hoods can be hard wired into the oven or to the same wall circuit Your conveyor oven can not support the current draw of the oven and a hood This practice will decrease performance and reliability as well as jeopardize the Underwriter Laboratory s safety certification Please have a qualified electrician wire your vent hood to a separate circuit My conveyor oven is maintenance free Proactive or preventive maintenance PM is the best way to protect against a catastrophic failure Murphy s Law states components will fail at peak sandwich time Maintenance provisions include heater tubes fan chain belt incoming power lubrication working and aesthetic surfaces overall cleanliness and ventilation Refer to weekly monthly and long term maintenance manuals for step by step instruction Owning an emergency repair kit is also recommended My heater tubes will last forever
20. rvicing any products considered Portable including items listed below These products should be taken to the Service Agency for repair ALL The Model 510FD Fryer Pop Up Toasters The Model J4R 4 oz Popcorn Machine Butter Dispensers The Model 518CMA amp 526CMA Cheese Melter Pretzel Merchandisers The Model 12MC amp 15MC amp 18MCP Hot Food Merchandisers Pastry Display Cabinets The Model 12NCPW amp 15 Nacho Chip Popcorn Warmer Nacho Chip Merchandisers All Hot Dog Equipment except Roller Grills amp Drawer Bun Warmers Accessories of any kind All Nacho Cheese Warmers except Model 11WLA Series Nacho Cheese Warmer Sneeze Guards All Condiment Dispensers except the Model HPDE amp SPDE Series Dispenser Pizza Ovens All Specialty Food Warmers except Model 130R 11RW Series and 11WSA Series Heat Lamps All QCS RCS Series Toasters except Model QCS3 amp RCS3 Series Pumps The foregoing warranty is in lieu of any and all other warranties expressed or implied and constitutes the entire warranty FOR ASSISTANCE Should you need any assistance regarding the Operation or Maintenance of any Star equipment write phone fax or email our Service Department In all correspondence mention the Model number and the Serial number of your unit and the voltage or type of gas you are using Partt 2M4497 2 10 05 RB OPTIONAL ACCESSORY PARTS SK2093 Rev E 12 15 06 TYPICAL QT14 EXPLODED PARTS VI
21. stable access to the bottom control box area DRIVEN SPROCKET DRIVE CHAIN DRIVE SPROCKET Remove the panel with the power input box and bottom control box cover Loosen the screws holding the motor in place Slide the motor to loosen the chain Remove the chain Remove the sprocket on the motor by loosening the setscrew and sliding the sprocket off 5 Disconnect the drive motor leads to the internal wiring The motor can be used in 208 or 240 volt ovens Note how the old motor is wired for replacement For reference use the black and white wires for 208 volt ovens and the black and blue wires for 240 volt ovens The unused wire should be taped on the end and bundled with the existing wires so it will not get tangled in any moving parts Remove the screws holding the motor in place and remove the drive motor Install the new motor in place and loosely re attach using the screws removed earlier Replace the sprocket onto the motor shaft and replace the chain onto the sprockets Slide the motor until the drive chain has about 1 8 slack when lightly pushed at the center of the upper section Tighten the drive motor screws Align driver and driven sprockets and tighten the setscrews onto the flat areas on the motor and drive shafts 10 Rewire the new motor as noted in the disconnect instructions above IF FURTHER ASSISTANCE IS REQUIRED CONTACT STAR HOLMAN FACTORY SERVICE TEAM AT 1 800 807 9054 Note Dur
22. t breaker is switched to the ON position Check that the unit is connected to power and Master On Off switch is ON Be sure HEAT LIMIT SWITCH is pushed in see below n Gm nad FUE 7 m 7 Heat Limit Switch UNIT WILL NOT HEAT CONVEYOR TURNS O O Check to see ifthe Master On Off Switch is in the ON position Press heat limit switch located beneath the unload tray as shown above Your Holman Conveyor Oven is eguipped with an automatically activated HEAT LIMIT SWITCH that interrupts the heater tube connections if the air temperature in the control box exceeds 190 F 88 C This limit switch can be reset manually by pushing the button in the center of the switch that is located beneath the unload tray THE HEAT LIMIT SWITCH CAN BE ACTIVATED IF THERE IS NOT A PROPER AMOUNT OF AIR FLOW BEING GENERATED BY THE COOLING FANS IF THIS OCCURS DISCONNECT UNIT FROM POWER SOURCE Make sure the air intakes in the front of the unit are free of dust grease or other obstructions Make sure the crumb trays heat reflectors are in place see photos this page and page 2 NEVER OPERATE UNIT WITHOUT CRUMB TRAYS IN POSITION AS THIS CAUSES OVERHEATING IN THE CONTROL BOX AND WILL SHUT DOWN THE MACHINE If the outside of the air intakes is clear and the crumb trays are in place and the unit continues to shut down because of the Heat Limit Switch refer to the cleaning instructions in the more complete Preventative Maintenance section
23. the Conveyor Belt 3 When a section of Conveyor Belt is clean remove wire brush or abrasive pad from conveyor surface Reconnect power or turn power back on Switch the ON OFF switch to the ON position Allow the Conveyor Belt to advance to expose another section of belt surface Switch the ON OFF Switch to the OFF position Disconnect or turn power off at wall breaker 4 Repeat steps 2 and 3 until the entire surface of the Conveyor Belt has been cleaned Remove Crumb Trays from beneath Conveyor Belt and discard the aluminum foil If cleaning is necessary use a wet cloth and mild detergent cleaner Do not use a caustic cleaner to clean the crumb tray 6 Cover Crumb Trays with clean aluminum foil shiny side facing up and return Crumb Trays to Sandwich Warmer The crumb tray should slide into the slot on each side of the area under the belt NOTE DO NOT RUN WARMER WITHOUT CRUMB TRAYS INSTALLED IF FURTHER ASSISTANCE IS REQUIRED CONTACT STAR HOLMAN FACTORY SERVICE TEAM AT 1 800 807 9054 MONTHLY CLEANING PROCEDURES Turn power off and allow cooling fans to run until the control box is cooled off The fans are controlled by a thermostat in the control box DISCONNECT UNIT FROM POWER SUPPLY OR TURN POWER OFF AT WALL BREAKER BE SURE THE SANDWICH WARMER IS COMPLETELY COOLED BEFORE PERFORMING ANY OF THE FOLLOWING PROCEDURES 1 Working from the power supply side of the oven locate the electrical box side panel Remove two screws
24. uring operation to achieve a good bake When done for the day turn Master On Off switch to the OFF position The conveyor will stop and the elements will go off The two fans should continue to run They are controlled by a thermostat that will allow the fans to cool the machine Do not begin to service or clean the machine until the fans have stopped CAUTION Some parts of the machine will still be warm Refer to the Troubleshooting section if the machine is not performing as expected BASIC CLEANING PROCEDURES Preventive maintenance for your Holman oven consists of the following recommended cleaning procedures To keep your oven in its top operating condition these steps should be performed daily or weekly as indicated Also refer to the Preventative Maintenance section for more complete cleaning activities that should be performed on a less frequent basis Turn power off and allow cooling fans to run until the control box is cooled off The fans are controlled by a thermostat in the control box DISCONNECT UNIT FROM POWER SUPPLY OR TURN POWER OFF AT WALL BREAKER BE SURE THE SANDWICH WARMER IS COMPLETELY COOLED BEFORE PERFORMING ANY OF THE FOLLOWING PROCEDURES IF FURTHER ASSISTANCE IS REQUIRED CONTACT STAR HOLMAN FACTORY SERVICE TEAM AT 1 800 807 9054 WARNING THE GLA y Remove the Crumb Trays from both sides of the oven daily as shown below DO NOT CLEAN WITH CAUSTIC CLEANERS For lightly soiled con
25. veyor surfaces a damp cloth or scotch pad can be used without removing the conveyor belt daily For heavily soiled conveyor surfaces refer to the Preventative Maintenance section for more detailed instruction to remove the conveyor belt The belt will need removed for more thorough cleaning Check air intake area for dust and grease To clean vacuum and wipe with a dry cloth daily Do not spray cleaning fluids into the air intake This may result in component failure Carefully remove and clean the Neo ceram window daily Remove the thumbscrews securing the window ring Remove the window ring the glass retainer and the piece of glass Wash with hot soapy water gt g u gt E KT Si E SS THAT IS SUPPLIED WITH THIS OVEN IS SPECIFICALLY DESIGNED FOR IT DO NOT SUBSTITUTE ANY OTHER GLASS PRODUCTS IN ITS PLAGE NEVER OPERATE THE OVEN WITHOUT THE GLASS NEVER ATTEMPT TO TOUCH OR REMOVE THE GLASS WHILE THE OVEN IS HOT ALLOW THE OVEN TO COOL FOR SEVERAL HOURS BEFORE STARTING THE CLEANING PROCEDURE Re assemble unit and check to be sure it is operating properly If assistance is required contact the Star Holman Factory Service Team at 1 800 807 9054 24 hours day 7days a week IF FURTHER ASSISTANCE IS REQUIRED CONTACT STAR HOLMAN FACTORY SERVICE TEAM AT 1 800 807 9054 TROUBLESHOOTING GUIDE UNIT WILL NOT HEAT CONVEYOR BELT WILL NOT TURN Crumb Tray Slots Be sure main circui
26. y buildup that cannot be vacuumed with a dry towel Replace control box covers and fasten with screws Put the machine back on its feet Remove side panels and vacuum compartments as performed under monthly cleaning procedures IF FURTHER ASSISTANCE IS REQUIRED CONTACT STAR HOLMAN FACTORY SERVICE TEAM AT 1 800 807 9054 MAINTENANCE PROCEDURES REPLACING HEATER TUBES FOR BEST TOASTING PERFORMANCE THIS PROCEDURE SHOULD BE DONE EVERY SIX MONTHS Turn power off and allow cooling fans to run until the control box is cooled off The fans are controlled by a thermostat in the control box DISCONNECT UNIT FROM POWER SUPPLY OR TURN POWER OFF AT WALL BREAKER NOTE PERFORM THIS MAINTENANGE ONLY WHEN THE CONVEYOR SANDWICH WARMER IS COMPLETELY COOL Position unit for access to front and rear panels Also remove the viewing window per instruction in daily cleaning 2 Remove screws holding front and rear panels Lift panels up and out to remove 3 Each heater tube has its own connection to a terminal block at the front and back of the sandwich warmer NOTE MARK WIRE LOCATIONS IN TERMINAL BLOCKS BEFORE DISCONNECTING ANY WIRES REPLACE ONLY ONE HEATER TUBE AT A TIME TO AVOID INCORRECT REWIRING 4 The heater tubes are held in place by key slot heater tube retainers that are accessible on the control side of the machine 5 Using a screwdriver loosen the screws holding the retainer in place 6 Slide the retainer to line up the
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