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7-8
21. Reconnect the drain safety switch wiring to the switch(es) in accordance with the diagram below
then reinstall the switch covers.
58C BLK
57C RED
RIGHT
DRAIN SAFETY SWITCH
LEFT
DRAIN SAFETY SWITCH
(DUAL-VAT ONLY)
55C BLK
56C RED
22. Reinstall the drain tube assembly.
23. Reinstall the tilt housing and back panels, top cap, and top connecting strip.
24. Reinstall controllers in the control panel frame and reconnect the wiring harnesses and ground
wires.
25. Reposition the fryer under the exhaust hood and reconnect it to the electrical power supply.
7.8 Built-in Filtration System Service Procedures
7.8.1 Filtration System Problem Resolution
One of the most common causes of filtration problems is placing the filter paper on the bottom of the
filter pan rather than over the filter screen.
CAUTION
Ensure that filter screen is in place prior to filter paper placement and filter pump
operation. Improper screen placement is the primary cause of filtration system
malfunction.
Whenever the complaint is “the pump is running, but no oil is being filtered,” check the installation
of the filter paper, and ensure that the correct size is being used. While you are checking the filter
paper, verify that the O-ring on the bottom of the filter pan is present and in good condition. A
missing or worn O-ring allows the pump to take in air and decreases its efficiency. Also, oil leaks
on the floor each time a vat is drained.
If the pump motor overheats, the thermal overload will trip and the motor will not start until it is
reset. If the pump motor does not start, press the red reset switch (button) located on the rear of the
motor.
If the pump starts after resetting the thermal overload switch, then something is causing the motor to
overheat. A major cause of overheating is when several frypots are filtered sequentially, thus
overheating the pump and motor. Allow the pump motor to cool at least 30 minutes before resuming
operation. Pump overheating can be caused by: