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MODEL SG6H FRYER PREVENTATIVE MAINTENANCE
L20-332, rev. 1 (05/11) 23
3.4.4. FILTER SYSTEM (IF EQUIPPED)
Check electrical connections and harnesses.
Check IEC power cords are fully engaged and secure.
Check for any air or shortening leaks and for excessive oil build-up.
Check O-Ring on filter pickup tube and replace as needed.
Check filter strainer on pickup tube.
Check operation of drain valve and DVI drain valve interlock.
Check operation of return oil valve and its pump switch.
Check operations of flush hose quick disconnect (if equipped), clean and lubricate as
needed.
Check all hardware in filter pan.
Check filter operation by filtering the fryers.
Check pump motor amp draw compare to nameplate amperage.
Check pump and motor, clean any excess oil from pump assembly.
Check all filter hoses for leaks and integrity.
3.4.5. CONTROL BOX & ELECTRICAL COMPONENTS
Verify that all components (transformer, terminal block, relays, drain switches, etc…) are in
good condition. Verify that wires are tight and in good condition.
Verify enclosures are free of leaks. Check for water stains and wet surfaces.
Verify that the covers and panels are in tact and provide a safe condition. Check for loose
parts.
Verify power cord is in good condition. Check for frayed or exposed wires. Verify that the
insulation is in good condition and the attachment to the appliance is tight.
3.4.6. GAS COMBUSTION SYSTEM
Check for gas leaks.
Check and clean vent tube on gas valve pressure regulator.
Check burners, clean debris and grease from pilot and pilot orifice tips.
Check self cleaning burner system (if equipped) that it activates when the appliance is turned
on and NOT during normal cooking & idle periods.
Check and adjust burner manifold gas pressure to nameplate reading.
Check incoming gas pressure when all gas appliances are on.
Check ignition system and adjust pilot flame as required.
Check flame sensor reading.
Check gap spacing and clean igniter.
Recheck for gas leaks after inspection.
3.5. VENTILATION HOOD
Proper ventilation hood operation is very important for the correct operation of this appliance and the
safety of personnel. The ventilation hood should be inspected at the time of installation of this
appliance to insure that it will operate properly in conjunction with the appliance. A regular schedule
of examination, in accordance with ANSI/NFPA 96 latest edition and/or local codes must be followed.