Leakage - Frymaster Enodis BIPH52 Series Service Manual

A pump seized by debris or hard shortening can usually be freed by manually moving the gears with
a screwdriver or other instrument as illustrated on the following page. Make sure power to the
pump motor is off before trying this.
1. Disconnect power to the filter system.
2. Remove the input plumbing from the pump.
3. Use a screwdriver to manually turn the gears.
•
Turning the pump gears backwards will
release a hard particle and allow its
removal.
•
Turning the pump gears forward will push
softer objects and solid shortening through
the pump and allow free movement of the
gears.
Filter pads that are installed incorrectly will also allow food particles and sediment to pass through
and clog the suction tube recess on the bottom of the filter pan or the suction tube, itself. Particles
large enough to block the suction tube recess or the suction tube may indicate that the crumb tray is
not being used.
The electronics of the FootPrint PRO system, illustrated in the schematic below, are simple and
straightforward.
Microswitches, which are attached to handles for
each vat and wired in parallel, provide the 24 VAC
required to activate the pump relay coil when the
handles are moved to the ON position.
activated pump relay coil pulls in the pump motor
switch, supplying power to the pump motor.
Verifying Solenoid Operation
Proper operation of the 24 VAC manifold and
pump solenoids can be verified by removing
the pump motor lead from terminal 4 of the
pump motor relay in the filter wiring box and
then activating the oil return lever. Proper
solenoid operation will be evidenced by an
audible "click" or vibration of both the pump
solenoid and the manifold solenoid.

1.7.6 Leakage

Leakage of the frypot will usually be due to improperly sealed high-limit thermostats, temperature
probes, and drain fittings. When installed or replaced, each of these components must be sealed with
PUMP
FLOW
Line VAC
The
24 VAC
Pump Motor Switch
FootPrint PRO Schematic
1-30
Sediment
Particle
Up for
reverse
Down for
forward
Pump Heater Tape
Solenoids
Micro-switches
Pump Relay Coil
Pump Motor
M