Motor overload can be caused by:
•Solidified shortening in the pan or filter lines, or
•Attempting to filter unheated oil.
Cold oil is more viscous, causing the pump motor to trip a breaker. Always filter with the oil at operating temperature [~350°F (177°C)].
If the motor runs but the pump does not, there is a blockage in the pump or lines. Incorrectly sized or installed paper/pads will allow food particles and sediment to pass through the filter pan and into the pump. When sediment enters the pump, the gears bind, causing the motor to overload, again tripping the breaker. Shortening that has solidified in the pump will produce the same result.
A pump seized by debris or hard shortening must be disassembled, cleaned, and reassembled. Use the following procedure:
1.Disconnect power to the filter system.
2.Remove the front cover of the pump to access the gears inside (see illustration below-
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Remove bolts to remove | Remove debris or hardened | |
pump cover. | shortening to free gears. | |
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3.If the front cover is not accessible, the pump must be removed from the pump motor (remove input/output plumbing from the pump prior to removing pump). Remove three setscrews from the
Filter paper/pads that are the wrong size or installed incorrectly will also allow food particles and sediment to pass through and clog the suction tube in the bottom of the filter pan. Particles large enough to block the suction tube may indicate that the crumb tray is not being used.
