Prince Castle 416-LFMCE User Manual
BIG MAC 6-BUN TOASTER
PRINCE CASTLE MODEL NO. 416-LFMCE
This equipment chapter is to be placed in the
toasters section of your Equipment Manual
MANUFACTURED FOR
MCDONALD’S
®
BY
PRINCE CASTLE INC.
355 KEHOE BLVD
CAROL STREAM, IL. 60188 USA
PHONE 1-630-462-8800
TOLL FREE NUMBER
1-800-323-2930
FAX:1-630-462-1460
WARRANTY ..................................................................................................................................................................................................... Page 1
INSTALLATION .............................................................................................................................................................................................. Page 2
OPERATION ..................................................................................................................................................................................................... Page 2
CLEANING ....................................................................................................................................................................................................... Page 2
MAINTENANCE ............................................................................................................................................................................................... Page 2
GENERAL INSTRUCTIONS ........................................................................................................................................................................... Page 3
ELECTRICAL REPAIRS ................................................................................................................................................................................. Page 3
CLOSING ......................................................................................................................................................................................................... Page 5
ORDERING/SERVICE INFORMATION ......................................................................................................................................................... Page 5
TROUBLESHOOTING ..................................................................................................................................................................................... Page 6
EXPLODED VIEW ............................................................................................................................................................................................ Page 7
PARTS IDENTIFICATION/FUNCTION ......................................................................................................................................................... Page 8
HARDWARE FOR MOUNTING PARTS ........................................................................................................................................................ Page 11
WIRING/ELECTRICAL INFORMATION....................................................................................................................................................... Page 12
WARRANTY
This product is warranted to be free from defects in material and/or workmanship for a period of (1) year from
date of original installation not to exceed 18 months from date of shipment from our factory. Any part or component which proves to be faulty in material and/or workmanship within the warranty period will be replaced or
repaired (At the option of Prince Castle, Inc.) without cost to the customer for parts or labor.
This warranty is subject to the following exceptions/conditions:
Any use of Non-genuine Prince Castle spare parts voids this warranty.
All labor should be performed during regular working hours. Overtime premium will not be covered.
The equipment is portable. Charges for on location service (e.g. trip charges, milage) are only
included in the provisions of this warranty for a failure which occurs within 30 days of installation.
Damage caused by carelessness, neglect, and/or abuse (e.g., using wrong current, dropping ,
tampering with or altering electrical components, or improper cleaning) is not covered.
Equipment damaged in shipment, by fire, flood or an act of God.
This Manual is for the Exclusive use of Licensees and Employees of McDonald’s Systems, Inc.
Printed in 1999
2000 McDonald’s Corparation Printed in the
All Rights Reserved United States of America
Part No. 416-590revA
INSTALLATION
1. After you have removed the toaster from the carton,
inspect the unit for signs of damage. If there is
damage to the unit:
Notify carrier within 24 hours after delivery.
Save carton and packing materials for inspection
purposes.
Contact your local Prince Castle Supplier
2. Verify that all parts have been received.
3. Insert the power cord into a grounded 230 volt
outlet.
4. Ensure that the platens are in the up position while
the toaster warms up. This will make sure the
timer is not activated.
5. Ensure the stop blocks are set on the correct
setting for the size bun you are toasting. Improper
stop block setting results in lighter or darker
toasted buns or crushed buns.See figure 1.
IMPORTANT: To change stop block setting, depress
the right stop block to disengage locking pin and turn in
either direction.
OPERATION
1. Place (6) crowns face down on bun spatula.
2. Place (6) heels face up on bun tray.
3. Place (6) clubs on bun spatula.
4. Lift upper bun board and insert spatula with crowns
5. Lower bun board down on top of spatula. Slide
spatula out.
6. Insert spatula with clubs into center compartment.
Slide spatula out.
7. Insert the tray with heels into the lower compartment
of toaster.
8 Pull handle/lever assembly forward and down on top
of heels. This will activate the timer assembly.
9. When the buzzer sounds, immediatly push handle up
and back to release heels from heating platen.
Remove tray with heels from toaster.
10. Lift upper bun board and slide spatula in under the
crowns. Remove spatula with crowns from toaster.
11. Slide spatula into center compartment. Remove
spatula with clubs from toaster.
CLEANING
figure 1
LEFT SIDE PANEL
STOP BLOCK
PIN STOP BRACKET
6. Unlock handle by moving safety latch from the
locknut to the safety latch park nut. See figure 2.
figure 2
SAFETY LATCH
LOCKED
POSITION
BEARING STUD
UNLOCKED
POSITION
1. Unplug toaster and allow it to cool down.
2. Shake a small amount of cleanser on platen.
3. Dampen toaster platen cleaning pad and wipe off
top and bottom of platen.
IMPORTANT: Using a cleaning pad other than the
one provided may be too abrasive and take off the
nickel plating, causing buns to stick. Replacement
pads should be purchased from your local Prince
Castle Service Center. Order part #167-2.
CAUTION: Do not pour water on the
platen. This may cause an electrical
hazard and damage switches, linkage,
etc., voiding the warranty.
4. Starting from the center, proceed to clean platen by
wiping in a front to back motion with grain of platen.
5. Using a moist cloth, wipe off platen to remove all
cleaning materials.
6. After cleaning season toaster platen with a light
coat of shortening.
MAINTENANCE
IMPORTANT: To convert a 35 second toaster to a 55
second toaster, turn 35-55 second time select switch,
located underneath lower electrical box, to 55 second
position. Recalibrate temperature on both platens from
(216° +/- 3°C) to (204° +/- 3°C).
Under normal conditions with proper use and cleaning,
very little nonscheduled maintenance will be required
for this toaster. However, this section provides procedures to check or replace various parts within the
toaster. Before replacement of any parts refer to the
troubleshooting section for assistance in determining
the cause of malfunction.
2
GENERAL INSTRUCTIONS
When disconnecting electrical wires, mark them in
some way that will indicate which terminal they
came from. Do not disconnect too many electrical
connections at one time. Refer to the individual
wiring diagram for particular controls that need
repair.
There are 3 basic methods of affixing wires to their
terminals.
1. Closed eye
2. Spade
3. Knife and blade
IMPORTANT: Do not wrap a bare wire under a terminal head screw.
Before attempting to repair a toaster:
1. Disconnect electrical supply.
4. Remove thermostat bulb retainer from electrical
box.
5. Remove thermostat and sensing bulb.
figure 3
AMBER BUN READY LIGHT
THERMOSTAT
WHITE CYCLE LIGHT
IMPORTANT: Replace with new thermostat by reversing procedure. Make sure to coat new thermostat bulb
with thermo-coat provided.
2. Permit the unit to cool completely.
IMPORTANT: Make good use of the parts pictures in
this chapter for further aid in understanding the physical make-up of your toaster and the reassembling of its
components.
ELECTRICAL REPAIRS
CAUTION: Before any electrical repairs,
place power switch in OFF position and
unplug toaster.
When replacing any electrical controls mounted in
control boxes, disassemble the following.
1. Remove (2) screws from upper or lower cover.
2. Remove cover(s).
3. Remove (5) screws from upper or lower faceplate.
REPLACE PLATENS
CAUTION: This procedure should be down
by a qualified service person.
REPLACE THERMOSTAT (See figure 3.)
HOW TO CALIBRATE TEMPERATURES
Tools Required Flatblade screwdriver
Digital thermometer
with surface probe
Stopwatch
1. Plug toaster in and turn the power switch to ON.
Allow 45 minutes for the platen temperature to
stabilize.
2. Place the surface probe of the digital thermometer
in the center of the top platen.
IMPORTANT: The temperature should be at 216° C
(+/- 3° C) when the temperature light goes off.
3. Repeat step 2 by placing the surface probe in the
lower platen.
CAUTION: Toaster must be hot to check
temperature calibration. Special care must
be taken to prevent being burned.
If the temperature is not within the range:
4. Turn the outer temperature shaft in the rear of the
toaster. (Turn shaft clockwise to increase and
counterclockwise to decrease platen temperature.)
IMPORTANT: A 1/4 turn will change the temperature
approximately 47° C.
Tools Required Flatblade screwdriver
1. Remove knob.
2. Remove (2) screws that hold thermostat to rear
cover.
3. Remove (2) wires from thermostat terminals.
5. Allow 20 minutes for the platen temperature to
stabilize before readjusting.
6. Adjust the thermostat dial plate so the correct
temperature is in line with the pointer on the
thermostat knob.
3
LOWER ELECTRICAL BOX
HOW TO REPLACE LIGHTS
1. Locate inoperable light.
2. Disconnect (2) wires from the light.
3. Remove the light by pressing the bezel clips in and
pulling the light away from the control panel.
4. Reverse procedure to install new light.
REPLACE RELAY
(See figure 4.)
Tools Required Flatblade screwdriver
CAUTION: This procedure should be performed by a qualified service person.
1. Remove screw holding relay to back cover.
2. Remove red wire from timer.
3. Remove red wire from buzzer.
figure 4
TIMER
SWITCH
ADJUST TIMER SWITCH
Tools Required Adjustable wrench
1. Position retaining ring on new switch 1/4” (6 mm)
from end of bushing.
IMPORTANT: Insulator should be placed between
switch body and retaining ring. See figure 5.
2. Set stop blocks at lowest position.
3. Slowly lower platen and watch movement of new
switch against actuator bracket.
IMPORTANT: When platen is all the way down, there
should be no more than 1/32” (1 mm) clearance between threaded switch bushing and actuator bracket.
IMPORTANT: The threaded switch bushing must not
press against the actuator bracket.
figure 5
RETAINING NUT
1/4” (6 mm)
SWITCH BODY
INSULATOR
INSULATOR
RELAY
4. Remove red wire from time switch.
5. Replace relay by reverse procedure.
CAUTION: Be sure insulator is between the
relay and rear cover.
REPLACE TIMER SWITCH
Tools Required Adjustable wrench
1. Remove 2 wires from timer switch.
2. Unscrew retaining nut on front of electrical box.
3. Remove switch.
4. Reverse procedure to install new timer switch.
CAUTION: Be sure insulator is between
switch and chassis.
ELECTRICAL BOX
RETAINING RING
INSULATOR
To adjust actuator
bracket, loosen mounting screws and move bracket
until 1/32” (1 mm) clearance is attained as shown in
drawing below. Retighten actuator bracket mounting
screws when bracket is positioned. See figure 6.
figure 6
ACTUATOR BRACKET
TOASTER FRAME
MOUNTING SCREWS
1/32” 1 mm
TREADED SWITCH BUSHING
ELECTRICAL BOX
REPLACE TIMER ASSEMBLY
Tools Required Adjustable wrench
Flatblade screwdriver
CAUTION: This procedure should be performed by a qualified service person.
1. Remove (2) wires from timer assembly.
2. Remove screw and nut holding timer assembly to
lower electrical box.
4
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