10 SUNNEN DRIVE, ST. LOUIS MO 63143 PHONE 314-781-2777, FAX 314-781-3636
OPERATOR'S MANUAL
HOLMAN CONVEYOR BAKERS
MODEL MM14
FOR SERVICE INFORMATION
U. S. AND CANADA CALL: TOLL FREE 1-800-225-3958
TABLE OF CONTENTS |
|
UNCRATING AND INSPECTION |
PAGE 1 |
ASSEMBLY AND INSTALLATION |
PAGE 1, 2, 3 |
STACKING INSTRUCTIONS |
PAGE 3 |
OPERATION |
PAGE 4 |
CLEANING PROCEDURES |
PAGE 4, 5 |
TROUBLESHOOTING GUIDE |
PAGE 5, 6, 7 |
MAINTENANCE PROCEDURES |
PAGE 8, 9, 10 |
PARTS LIST/EXPLODED VIEW |
PAGE 11 |
DRAWINGS |
|
LOAD AND UNLOAD TRAYS |
PAGE 2 |
REMOVING THE CONVEYOR BELT |
PAGE 4 |
HEAT REFLECTOR/CRUMB TRAYS |
PAGE 6 |
HEATER TUBE & FAN MOTOR INSTALLATION |
PAGE 8 |
DRIVE SYSTEM |
PAGE 9 |
COMPONENT ARRANGEMENT |
PAGE 10 |
WIRING DIAGRAM |
PAGE 12 |
HEATER TUBE CHART |
PAGE 13 |
REVISED 06/18/04
U:\HOLMAN MANUALS\CURRENT MODELS\QUIZNO'S HG0341
PAGE 1
OPERATOR'S MANUAL
HOLMAN CONVEYOR BAKERS
MODEL MM14
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:
A.1ea. Baking oven with heaters, tunnel extender, power supply lead and conveyor belt in place.
(NOTE): Remove heating element shipping supports.
B.1ea. Stainless Steel Unload Tray and 1ea. Stainless Steel Load Up Tray.
ASSEMBLY AND INSTALLATION
A. Attach legs by screwing into weld nuts, as shown
ADJUSTABLE LEGS SCREWS INTO
WELD NUT ON BOTTOM OF UNIT.
B.Anti Skid pads are available at no charge and may be adhered to the foot section of each leg to prevent sliding. Call 1-800-225-3958 for details.
CAUTION: Use of these pads are not approved by the National Sanitation Foundation.
C.Install unit in its operating position. The load & unload ends must be at least 6" from any vertical combustible surfaces. Allow sufficient space for operating personnel.
1.Your model MM14 conveyor oven is suppiled with a six foot power supply lead. Have an electrician connect input power to the unit in accordance with local electrical codes.
ASSEMBLY AND INSTALLATION CONT. ON PAGE 2 |
REVISED 7/9/01 MJC |
PAGE 2
OPERATOR'S MANUAL
HOLMAN CONVEYOR BAKERS
MODEL MM14
ASSEMBLY AND INSTALLATION (CONT)
WARNING: MAKE SURE ALL INPUT POWER IS OFF BEFORE INSTALLING/REMOVING ANY PARTS.
WARNING: BEFORE INSTALLING UNIT(S), HAVE YOUR ELECTRICIAN CHECK WITH LOCAL POWER COMPANY TO DETERMINE ACTUAL VOLTAGE AT JOB SITE.
WARNING: BE ABSOLUTELY SURE THE GROUND (EARTH) 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.
E.Before applying input power to the unit(s) check heating elements for breakage, do not apply power to the unit(s) 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.
F.Allow approximately 5 to 8 minutes for the fan cooling system to come on, check the air intake area as noted below and be sure that there is a sufficient flow of air into the control box.
AIR INTAKE LOCATED
ON BOTTOM CONTROL
BOX COVER.
G.If all heaters and conveyor system are operating properly, switch the master on/off switch to the OFF position and allow unit to cool. The fan will continue to circulate cool air through out the unit until the internal temperatures have been decreased.
H.If a problem is discovered during start up procedures, immediately switch the Master On/Off switch to the OFF position and notify a service agent in your area. Install load and unload trays as shown.
UNLOAD TRAY |
LOAD UP |
|
TRAY |
|
|
|
CRUMB TRAY |
|
CRUMB TRAY |
ASSEMBLY AND INSTALLATION CONT. ON PAGE 3 |
REVISED 7/9/01 MJC |
PAGE 3
OPERATOR'S MANUAL
HOLMAN CONVEYOR BAKERS
MODEL MM14
ASSEMBLY AND INSTALLATION (CONT.)
F. Stacking Instructions
When stacking two Holman Proveyor ovens a stacking spacer with external air duct must be used to prevent overheating of the control box in the top oven.
1). If cart is to be used with units, place bottom unit on cart and align leg holes of unit
to holes in top portion of cart. Insert 3/8" bolts through cart and into leg holes to secure bottom unit to cart as shown below.
2). Place stacking spacer on top of bottom oven with internal air duct facing up and toward the rear of the oven.
3). Mount external air duct on stacking spacer as shown below. External air duct must be installed for cooling system of top unit to function properly.
4). Screw cap screws (4ea.) into leg holes on top oven.
5). Place top oven on stacking spacer. Cap screws will set into cut outs in top of stacking spacer to lock unit into position. (NOTE) Air intake of top unit must fit over the internal air duct of stacking spacer to allow airflow into the control box of the top oven. For stacking spacer to work properly, both ovens must have the same belt travel direction.
BOTTOM UNIT - CAN
BE COUNTER MOUNTED OR PLACED ON A CART AS SHOWN.
TOP UNIT - LEGS ARE REPLACED WITH CAP SCREWS. UNIT SITS ON TOP OF SPACER
STACKING SPACER (REQUIRED) MOUNTS ON TOP OF LOWER OVEN
EXTERNAL AIR DUCT
MOUNTS ON SPACER
MOUNTING BOLTS FOR LOWER UNIT SCREW INTO LEG HOLES THROUGH CART
REVISED 7/9/01MJC
PAGE 4
OPERATOR'S MANUAL
HOLMAN CONVEYOR BAKERS
MODEL MM14
OPERATION
A.Switch Master On/Off switch to the ON position and turn Variable Speed Control to fastest time setting.
B.Allow 10 to 15 minutes for unit(s) to warm up.
C.Adjust conveyor belt speed to the desired pass time and place product on conveyor belt.
CLEANING PROCEDURES
Preventive maintenance for your Holman oven consists of the following recommendecleaning procedures. To keep your oven in its top operating condition, these steps should be performed daily or weekly as indicated.
WARNING: HIGH VOLTAGES ARE PRESENT IN THESE UNITS. DISCONNECT UNIT FROM POWER SUPPLY BEFORE SERVICING OR CLEANING UNIT.
A. Remove Load and Unload Trays (daily) as shown and wash with hot soapy water.
UNLOAD TRAY |
LOAD UP |
|
TRAY |
|
|
|
CRUMB TRAY |
|
CRUMB TRAY |
B.Remove the Crumb Trays from both load and unload ends of the oven (daily) as shown above, (DO NOT CLEAN WITH CAUSTIC CLEANERS ).
C.For lightly soiled conveyor surfaces a damp cloth or scotch pad can be used without removing the conveyor belt. (daily)
D.For heavily soiled conveyor surfaces disconnect and remove the conveyor as shown and soak in hot soapy water overnight (as required).
NOTE: LUBRICATION OF DRIVE CHAIN WITH A GRAPHITE BASED LUBRICANT IS REQUIRED AS PERIODIC MAINTENANCE. CALL HOLMAN FACTORY SERVICE DEPARTMENT FOR DETAILS.
CLEANING PROCEDURES CONT. PAGE 5
REVISED 7/9/01 MJC
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