A.J.Antunes MT-12 Owner's Information page 11

MONTHLY – CHECK CALIBRATION
NOTE: You will need a stopwatch
1. Turn the power on.
2. Preheat the toaster for approximately 30 minutes.
Close the front door and wait for the Audio Signal
to beep. When the Audio Signal beeps, open the
front door, then close it again. When the Audio
Signal beeps a second time, open the front door.
WARNING
During this procedure, hot toasting surfaces will be
exposed. Use extreme care to avoid personal injury.
3. Load 12 muffin halves into the toaster, close the
front door, and start and start the stopwatch.
4. Check the time on the stopwatch when the Audio
Signal beeps.
NOTE: The Audio Signal should beep and the
Ready light should come on within 90 to 130
seconds.
5. Open the front door to stop the Audio Signal and
to turn off the Ready light.
6. Remove muffins and reload with 6 muffin halves.
7. Close the front door, press and release the Partial
Load Control Knob on the right front of the toaster
until the Amber light is lit (Figure 1). Start the
stopwatch.
8. Check the time on the stopwatch when the Audio
Signal beeps.
NOTE: The Audio Signal should beep and the
Ready light should come on within 85 to 125
seconds.
9. Open the front door to stop the Audio Signal and
to turn off the Ready light.
10. If the times are correct, calibration is complete. If
the times are not correct, adjust the timers locat-
ed at the rear of the toaster (Figure 3)
NOTE: If the toasting time is still incorrect, contact
the factory for assistance.
P/N 1010610 Rev. Q 07/16
McDonald's
MAINTENANCE (continued)
DIP Switches
Figure 3. Adjusting Timer on Real Panel Assembly
11
MUFFIN TOASTER MT-12
Power Switch
Terminal Block
Control Board
Full Load Temp. Pot
Partial Load Temp. Pot
Figure 4. Rear Panel Assembly
Solid State Relay
Rear Panel
Full Load Temp. Pot
Partial Load Temp. Pot
Power
Switch
Power Cord