Holman EZ10 Service Manual

OPERATOR'S MANUAL
HOLMAN CONVEYOR TOASTERS
OVEREASY MODEL EZ10
FOR SERVICE INFORMATION
U.S. AND CANADA CALL: TOLL FREE 1-800-225-3958
24 HOURS/DAY 7 DAYS/WEEK
TABLE OF CONTENTS
UNCRATING AND INSPECTION PAGE 1
FRONT BEARING ASSEMBLY PAGE 1a
COOKING PROCEDURES PAGE 2
CLEANING PROCEDURES PAGE 3
TROUBLESHOOTING GUIDE PAGE 4, 5
MAINTENANCE PROCEDURES PAGE 5, 6
PARTS LIST PAGE 7
DRAWINGS
OPTIONAL FEED TRAY PAGE 3
DRIVE SYSTEM PAGE 4
HEATER TUBE INSTALLATION PAGE 5
COMPONENT ARRANGEMENT PAGE 7
HEAT REFLECTOR/CRUMB TRAY PAGE 7
WIRING DIAGRAM PAGE 8
REINSTALLING TOP COVER PAGE 9
FILE:F\USERS\BOB/MANUALS\VAMUAL\EZ10
HG0126
REVISED 07/25/00 RRD
OPERATOR'S MANUAL
HOLMAN CONVEYOR TOASTERS
OVEREASY MODEL EZ10
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
The unit has been shipped fully assembled and ready to plug into a standard 15 amp outlet. Removal or replacement of the power supply cord and plug will result in the voiding of the warranty. For assistance, consult with the factory service team at 1-800-225-3958.
FIG. 1 PLUG CONFIGURATION
NEMA 5-15 PLUG 120V / 15 AMPS
G
WARNING
WARNING
W
: MAKE SURE ALL INPUT POWER IS OFF BEFORE
INSTALLING/REMOVING ANY PARTS.
: 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 4/18/95 MJC
Page 1
OPERATOR'S MANUAL
HOLMAN CONVEYOR TOASTERS
MODEL EZ10
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 11/30/99 MJC
EZ10DOC.
Page 1a
OPERATOR'S MANUAL
HOLMAN CONVEYOR TOASTERS
OVEREASY MODEL EZ10
COOKING PROCEDURES
A. BREAD TOASTING
LIGHTER
DARKER
LIGHT TO DARK CONTROL
ON/OFF SWITCH
1. Switch On/Off switch control to the ON position; turn light to dark control to the center of the dial.
2. Allow warm up time of 5 to 10 minutes.
3. Test with a slice of bread.
a. If toast is too light, turn light to dark control clockwise to a slower speed.
b. If toast is too dark, turn light to dark control counterclockwise to a faster speed.
OPTIONAL FEED TRAY
1). Optional Feed Tray is Stored Inside Of Crumb Tray.
2). Slide Crumb Tray out To Expose Feed Tray.
3). Flip Feed Tray Into Position.
4). Slide Crumb Tray Back Into Unit Before Operation.
REVISED 8/31/95 MJC
Page 2
OPERATOR'S MANUAL
HOLMAN CONVEYOR TOASTERS
OVEREASY MODEL EZ10
CLEANING PROCEDURES
1. For lightly soiled conveyor belts, turn conveyor light to dark control to fastest setting and wipe with a damp cloth. For heavily soiled conveyors, turn conveyor light to dark control to fastest setting and wipe with a light abrasive pad.
2. Turn main power switch to the OFF position.
3. After the unit cools, remove interior crumb tray (as shown below) and clean. Slide crumb tray back into position. DO NOT OPERATE UNIT WITHOUT
CRUMB TRAY IN PLACE AS THIS CAUSES OVERHEATING IN THE CONTROL BOX
4. Wipe exterior surface of unit.
CRUMB TRAY
SLIDES BENEATH
CONVEYOR BELT
NOTE:
PERIODIC MAINTENANCE. CALL HOLMAN FACTORY SERVICE DEPARTMENT FOR DETAILS.
REVISED 1/16/97 MJC
LUBRICATION OF DRIVE CHAIN WITH A GRAPHITE BASED LUBRICANT IS REQUIRED AS
Page 3
OPERATOR'S MANUAL
HOLMAN CONVEYOR TOASTERS
OVEREASY MODEL EZ10
TROUBLESHOOTING GUIDE
A.
1. Be sure the main circuit breaker is switched to the on position.
2. Check to see if the toaster is plugged in and all controls are turned to the
B.
1. Call Holman Factory Service Department at may need replacing.
C.
1. DISCONNECT UNIT FROM POWER SOURCE.
2. Remove screws (2 ea.) holding top cover in place at the rear of the unit.
3. Remove top cover (see page 9).
4. Remove each screw holding side panels in place and lift them up and out.
5. Loosen the four screws which hold the drive motor in place.
6. Slide the motor up allowing the drive chain to be removed from the sprockets.
7. Move the conveyor belt by hand to check for mechanical binding. If conveyor moves freely, call the Holman Factory Service Department at 1-800-225-3958 as the drive motor and/or speed control may need replacing.
UNIT WILL NOT HEAT, CONVEYOR BELT WILL NOT MOVE.
ON position.
UNIT HAS HEAT ONLY ON ONE SIDE, CONVEYOR BELT TURNS FREELY.
1-800-225-3958 as heating element
CONVEYOR BELT DOES NOT TURN, HEATER TUBES GET HOT.
To check for mechanical binding:
8. Refer to page 9 for top cover reinstallation.
REAR BEARING
DRIVEN SPROCKET
DRIVE CHAIN
DRIVE MOTOR
Page 4
SIDE PANEL SCREW
SIDE PANEL
DRIVE SPROCKET
REV.10/31/95 MJC
OPERATOR'S MANUAL
HOLMAN CONVEYOR TOASTERS
OVEREASY MODEL EZ10
TROUBLE SHOOTING GUIDE (CON'T)
D. CONVEYOR BELT RUNS AT ONE SPEED REGARDLESS OF SPEED
CONTROL SETTING.
1. Call Holman Factory Service Department at
1-800-225-3958 as speed
control should be replaced.
MAINTENANCE PROCEDURES
A. CONVEYOR BELT AND DRIVE MOTOR DO NOT REQUIRE LUBRICATION.
B. REPLACING HEATER TUBES (as below)
1. DISCONNECT UNIT FROM POWER SOURCE.
2. Remove top cover (see page 9).
3. Remove each screw holding side panels in place and lift them up and out.
4. Remove heater tube wire from terminal block connection, keeping top and bottom wires separate.
5. Remove heater tube retainers by removing retaining screws with washer.
6. Gently,
7. Gently,
pull defective heater tube out of unit.
guide the new heater tube through the same hole the defective heater
tube came out through.
8. Replace heater tube retainers, reconnect heater tube wires to terminal block and install side panels.
9. Refer to page 9 for reinstallation of top cover.
SIDE PANEL
HEATER TUBE RETAINERS
TOP COVER
HEATER TUBES
TERMINAL BLOCK
SIDE PANEL
Page 5
REV. 10/31/95 MJC
OPERATOR'S MANUAL
HOLMAN CONVEYOR TOASTERS
OVEREASY MODEL EZ10
MAINTENANCE PROCEDURES (CON'T)
C. REPLACING CONVEYOR BELT DRIVE MOTOR
1. DISCONNECT UNIT FROM POWER SOURCE.
2. Remove screws (2ea.) holding top cover in place at the rear of the unit.
3. Remove top cover (see page 9).
4. Remove each screw holding side panels in place and lift them up and out.
5. Remove sprocket from motor shaft.
6. Remove the wire from terminal block connecting the drive motor to internal wiring.
7. Remove screws holding motor in place.
8. Put new motor in place and attach loosely with mounting screws.
9. Replace sprocket on motor shaft.
10. Slide motor until the drive chain has about 1/8" slack when lightly pushed at the center of its top open run.
11. Tighten screws to secure motor.
12. Rewire leads same as removed in step 5.
13. Replace side panel and control box cover.
14. Replace top cover (see page 9).
IF ASSISTANCE IS REQUIRED FOR THIS OR ANY OTHER PROCEDURE IN THIS MANUAL CALL HOLMAN FACTORY SERVICE DEPARTMENT AT
1-800-225-3958.
24 HOURS/DAY 7 DAYS/WEEK
REAR BEARING
DRIVEN SPROCKET
DRIVE CHAIN
SIDE PANEL
DRIVE SPROCKET
DRIVE MOTOR
LUBRICATION OF DRIVE CHAIN WITH A GRAPHITE BASED LUBRICANT IS REQUIRED AS PERIODIC MAINTENANCE. CALL HOLMAN FACTORY SERVICE DEPARTMENT FOR DETAILS.
Page 6
REV. 12/23/96 MJC
OPERATOR'S MANUAL
HOLMAN CONVEYOR TOASTERS
OVEREASY MODEL EZ10
INSTRUCTIONS FOR REINSTALLING THE TOP COVER ON THE OVEREASY
POSITION THE TOP COVER AS SHOWN
SLIDE COVER TOWARD BACK OF UNIT AS FAR AS POSSIBLE
ALIGN THE LIP OF THE TOP COVER UNDER THE SLOT IN FRONT OF UNIT
LOWER THE REAR OF THE TOP COVER DOWN OVER THE BACK OF THE UNIT AND SECURE WITH THE SCREWS PROVIDED.
REV. 8/31/95 MJC
PAGE 9
WIRING DIAGRAM FOR
MODEL EZ10 120 VOLT, 60Hz SINGLE PHASE
CONVEYOR
MOTOR
SPEED CONTROL
FAN
MOTOR
GROUND
PLUG CONFIGURATION
NEMA 5-15P
120V
REV. 11/15/99
PAGE 8
OPERATOR'S MANUAL
HOLMAN CONVEYOR TOASTERS
MODEL EZ10
REV.12/1/99 MJC
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Model: EZ10
Fig No Part No Qty Description
1 2U-200511 1 MOTOR, 2020 BB REVERSED, FAN BLADE NOT INCLUDED NI 2R-200721 1 FAN BLADE 2 2P-200645 1 SPROCKET, 25B17 X 5/16 3 HN-401566 3 PANEL, SIDE & BACK, EZ10 4 HA-115383 1 BLOCK, TERMINAL 3 POS, SM 5 2P-200665 1 CHAIN, 17 1/2 INCH 6 2P-200645 1 SPROCKET, 25B17 X 5/16 7 HA-112261 2 BEARING ASSY PTFE/BRONZE 8 HN-401917 1 UNIVERSAL RETAINER PLATE 9 HE-197829 4 HEATER TUBE, EZ10, QCS-2-800 120V, 240V HA-197832 4 ELEMENT, EZ10, 220V 220V 10 2A-202900 1 SHAFT, T710 DRIVE 11 2A-202904 1 SHAFT, 210HX IDLER 12 HB-115387 1 BLOCK, TERMINAL 8 POS, SM 13 2P-200736 2 2 INCH BEARING SPRING 14 2R-200709 4 LEG 1 INCH CHROME PLASTIC 15 HN-118016 1 CONT SPEED ASSY 250 EZ10 16 2P-200700 2 SPRING LOAD BEARING TEFLON 17 HN-115140 1 RETRO FIT, TOGGLE EZ10 18 2R-200703 1 KNOB, POTENTIOMETER 19 HN-100540 1 TRAY, CRUMB LOADUP COMBO 20 HN-401554 1 SLIDE, TOAST, PULL OUT, EZ10 21 HN-401573 1 TOP COVER, EZ10 22 HA-140026 1 CORD SET, VA, T710 120 23 HN-160020 1 BELT, CONVEYOR 10 X 27 EZ
24 2U-200558 1 MOTOR, FAN 120V, 15BTL
N-11514
3
®
SK2237
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