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Henny Penny PFG-691 User Manual

Henny Penny PFG-691
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Henny Penny
Pressure Fryer
Model PFG-691
TECHNICAL MANUAL

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Henny Penny PFG-691 Specifications

General IconGeneral
BrandHenny Penny
ModelPFG-691
CategoryFryer
LanguageEnglish

Summary

Henny Penny Pressure Fryer PFG-691 Technical Manual

Safety Notices and Warnings

General Safety Information

Manual retention, wiring diagram location, and gas safety instructions.

Appliance Area Safety

Keep appliance area clear of combustibles and ensure proper ventilation.

Hazardous Situation Warnings

Warnings regarding installation, alteration, and flammable vapors.

Henny Penny 8 Head Gas Pressure Fryer Specifications

Fryer Dimensions and Capacity

Details on height, width, depth, floor space, and pot capacity.

Electrical and Heating Specifications

Electrical requirements, heating type, and BTU output.

Pressure and Shipping Details

Operating pressure, safety relief pressure, and shipping weight.

Included Accessories

List of accessories shipped with the fryer.

Section 1: Troubleshooting

Troubleshooting Overview

Provides troubleshooting information in an easy-to-read table format.

Troubleshooting Safety Symbols and Terms

Explanation of safety alert symbols, NOTICE, CAUTION, and WARNING terms.

Steps for Isolating Malfunctions

Procedure to isolate a malfunction by defining, locating, and reviewing causes.

Maintenance Procedure Reference

Reference to maintenance procedures for checkout and repair.

Troubleshooting Cooking Issues: Color

Causes and corrections for product color being too dark, too light, or greasy.

Troubleshooting Cooking Issues: Texture and Flavor

Causes and corrections for spotted, dry, salty, burned, or bland product.

Troubleshooting Cooking Issues: Flavor and Appearance

Causes and corrections for rancid taste, meat separation, bone color, and breading issues.

Troubleshooting Power and Pressure Issues

Causes and corrections for no power, pressure not exhausting, or high pressure.

Troubleshooting Pressure Build-Up

Causes and corrections for pressure not building in the fryer.

Troubleshooting Heating Issues

Causes and corrections for shortening not heating or heating slowly.

Troubleshooting Heating Performance

Causes and corrections for slow heating or overheating of shortening.

Troubleshooting Foaming and Draining Issues

Causes and corrections for shortening foaming, boiling, not draining, or leaking.

Error Codes and Corrections

List of error codes and their corresponding panel board corrections.

Section 2: Maintenance Procedures

Introduction to Maintenance

Overview of maintenance procedures for parts checkout and replacement.

Maintenance Hints

Tips for using a multimeter and checking electrical components.

Preventive Maintenance Schedule

Chart detailing daily, twice daily, monthly, and annual maintenance tasks.

High Temperature Limit Control

Description and function of the high temperature limit control.

High Temperature Limit Control Checkout

Procedure to check if the high temperature limit control circuit is closed.

High Temperature Limit Control Replacement

Step-by-step instructions for replacing the high limit control.

Power/Pump Switch Inspection and Replacement

Checking and replacing the power/pump switch.

Temperature Probe Replacement Procedure

Checking and replacing the temperature probe.

Control Panel and Pressure Regulation Maintenance

Replacing control panel and information on pressure regulation.

Lid Operation and Nylatron Cleaning

Tilting the lid upright and cleaning the Nylatrons.

Reversing the Lid Gasket

Steps to reverse the lid gasket to ensure no pressure loss.

Lid Counterweight Cable Maintenance

Accessing and replacing lid counterweight cables.

Pressure Pad Inspection and Replacement

Steps to remove, reverse, or install pressure pads.

Lid Adjustment and Solenoid Valve (Above Counter)

Lid adjustment for steam leaks and solenoid valve coil check.

Solenoid Valve (Above Counter) Replacement

Replacing solenoid valve coil, core-disc assembly, and seals.

Solenoid Valve (Under Counter) Maintenance

Coil check and replacement for under-counter solenoid valves.

Solenoid Valve (Under Counter) Core-Disc Assembly Cleaning

Cleaning solenoid core-disc assembly and replacing seals.

Deadweight Valve Operation and Safety

Deadweight valve description and safety warning.

Deadweight Valve Cleaning and Safety

Daily cleaning of deadweight valve and safety warnings.

Safety Relief Valve Removal and Pressure Gauge Calibration

Removing safety relief valve and calibrating pressure gauge.

Deadweight and Safety Relief Valve Maintenance

Daily cleaning of deadweight valve and safety relief valve.

Gas Control Valve Safety and Replacement

Safety precautions and steps for replacing the gas control valve.

Blower Assembly Maintenance

Removing and replacing the blower assembly and motor.

Blower Assembly and Transformer Replacement

Completing blower assembly replacement and replacing the transformer.

Airflow Switch Inspection and Replacement

Inspecting and replacing the airflow switch.

Drain Microswitch Inspection and Replacement

Inspecting and replacing the drain microswitch.

Drain Valve and Extension Maintenance

Removing and replacing the drain valve and extension.

Air Valve Maintenance

Removing and replacing the air valve.

Cleaning the Dilution Box and Blower Wheel

Monthly dilution box cleaning and annual blower wheel cleaning.

Ignition Modules: LED Indication and Replacement

Interpreting LED indicators and replacing ignition modules.

Ignitor Assembly Replacement

Safety precautions and steps for replacing the ignitor assembly.

Flame Sensor and Ignitor Adjustment

Critical adjustments for flame sensor and ignitor function.

Nylatron Strips Replacement

Removing lid components and replacing nylatron strips.

Nylatron Strips and Lid Roller Lubrication

Completing nylatron replacement and lubricating lid rollers.

Wiring Diagram for Serial Numbers FH001JC & Above

Wiring Diagram for Serial Numbers Below FH001JC

Limited Warranty for Henny Penny Equipment

New Equipment Warranty

Warranty terms for new appliances, excluding baskets, lamps, and fuses.

Replacement Parts Warranty

Warranty terms for appliance replacement parts.

Extended Frypot Warranty

Details of the extended warranty for frypots.

Warranty Claim Process

Procedure for presenting warranty claims and handling shipping damage.

Warranty Limitations and Exclusions

Exclusions and limitations of the limited warranty.

Section 3: Parts Information

Introduction to Parts

Overview of replaceable parts for the Model 691 fryer.

Using Genuine Henny Penny Parts

Importance of using genuine parts to prevent damage or injury.

How to Order Parts

Information required when ordering parts, including item number and part number.

Parts Pricing and Delivery

Information on parts pricing and delivery timelines.

Replacement Parts Warranty

Warranty coverage for replacement parts.

Recommended Spare Parts for Distributors

Guidance for distributors on ordering recommended spare parts.

Frame and Cover Assembly Diagram

Frame and Cover Assembly Parts List

Frame and Cover Components

List of parts for the frame and cover assembly.

Control Panel Parts Identification

Control Panel Assemblies and Decals

List of control panel assemblies and decals.

Menu Cards and I/O Board

Parts related to menu cards and the I/O board.

Electrical Controls Parts List

Transformer and Relay Parts

List of parts for transformers and relays.

Ignition Module and Suppression Cable Parts

Parts for ignition modules and suppression cables.

Frypot Covers and Insulation Parts

Insulation Covers Parts List

Lid and Cover Assembly Diagram

Lid and Cover Assembly Parts List

Lid Components and Hardware

List of parts for the lid and cover, including screws and nuts.

Drain Pan and Filter Assembly Diagram

Drain Pan and Filter Assembly Parts List

Drain Pan and Filter Components

List of parts for the drain pan and filter system.

Filter Pump Assembly Diagram (SN: LH028JC & BELOW)

Filter Pump Assembly Parts List (SN: LH028JC & BELOW)

Filter Pump Components and Motor

List of parts for the filter pump assembly and motor.

Filter Pump Assembly Diagram (SN: LH029JC & ABOVE)

Filter Pump Assembly Parts List (SN: LH029JC & ABOVE)

Filter Pump Components and Air Solenoid Valve

List of parts for filter pump and air solenoid valve.

Filter Pump Assembly Parts Details

Gas Burner Assembly Diagram

Gas Burner Assembly Parts List

Burner Assemblies and Orifices

List of different burner assemblies and orifices.

Pilot and Ignitor Components

Parts related to pilot and ignitor assemblies.

Gas Piping and Controls Diagram

Gas Piping and Controls Parts List

Gas Valve Assemblies

List of gas valve assemblies and related fittings.

Burner Tubes and High Limit Parts

Carrier and Racks Parts List

Vacuum Switch Parts List

Deadweight and Solenoid Assembly Diagram (SN: AP0802029 & ABOVE)

Deadweight and Solenoid Assembly Parts List

Pressure Gauge and Relief Valve Assembly

Parts for pressure gauge and relief valve assembly.

Deadweight and Solenoid Valve Components

List of parts for deadweight and solenoid valve.

Steam Box and Hose Assembly Parts (SN: AP0802029 & UP)

Steam Box and Hose Assembly Parts (SN: AP0802028 & BELOW)

Flue Assembly and Blower Diagram (SN: AP0802020 & BELOW)

Flue Assembly and Blower Parts List (SN: AP0802020 & BELOW)

Flue Assembly Components

List of parts for the flue assembly.

Blower and Dilution Box Components

Parts for the blower and dilution box.

Flue Assembly and Blower Diagram (SN: AP0802029 & ABOVE)

Flue Assembly and Blower Parts List (SN: AP0802029 & ABOVE)

Flue Assembly and Blower Components

List of parts for the flue assembly and blower.

Solenoid Valve Assembly Diagram

Solenoid Valve Assembly Parts List

Solenoid Valve Components and Coils

List of parts for the solenoid valve assembly and coils.

Frypot and Drain Piping Diagram

Frypot and Drain Piping Parts List

Probe Assembly and Switch Brackets

Parts for probe assembly and switch brackets.

Drain Valve and Switch Components

List of drain valve and switch components.

Lift Beam and Shrouds Diagram (SN: AP0802028 & BELOW)

Lift Beam and Shrouds Parts List (SN: AP0802028 & BELOW)

Lift Beam and I-Beam Components

List of parts for lift beam and I-beam.

Shrouds and Slide Guides

Parts for shrouds and slide guides.

Counterweight and Pulley System Diagram (SN: AP0802028 & BELOW)

Counterweight and Pulley System Parts List (SN: AP0802028 & BELOW)

Pulley Plate and Cable Components

Parts for pulley plate and cables.

Counterweight and Stabilizer Components

Components for counterweight and stabilizer.

Counterweight System Diagram (SN: AP0802029 & ABOVE)

Optional Direct-Connect Kit Parts List

Optional Rinse Hose Kit Parts (SN: LH028JC and below)

Optional Rinse Hose Kit Parts (SN: LH029JC and above)

Section 4: Programming and Menu Operations

Entering Programming Menus

Steps to enter programming menus and access tech mode.

Software ID's and Fryer Type Settings

Viewing software IDs and auto-detected fryer type.

Control Panel Test Modes

Description of pushbutton, all-on display, segments, and digits test modes.

Programming Menu: Display and Temperature Tests

Testing decimal points, LEDs, and calibrating temperature probes.

Programming Menu: Interlock Circuit Status

Viewing the status of 24 VAC interlock circuit digital inputs.

Interlock Input Signal Meanings

Interpretation of power switch, solenoid, fan, ignition, and gas valve signals.

Programming Menu: Output Status and Code Change

Viewing output status and changing the Tech Mode access code.

Programming Menu: Total Initialization

Resetting all settings to factory defaults.

Appendix B: Annual Preventive Maintenance

Annual Preventive Maintenance Checklist

Checklist and procedures for annual preventive maintenance.

Annual Inspection Checklist: Frypot, Frame, and Pressure System

Frypot and Frame Inspection

Inspect fry pot for leakage and frame for cracks or bends.

Rear of Fryer and Pressure System Inspection

Inspect electrical, gas lines, lid cables, and pressure system components.

Annual Inspection Checklist: Filters, Heat, Pump, and Pressure Systems

Filter Components and Drain Oil Inspection

Check filter components, drain oil, and test filter pump motor.

Heat System Inspection

Inspect heating elements, burners, and pilot assemblies.

Pump Oil and Heat Oil Checks

Check amp draw of heating elements and manifold pressure.

Pressure System Inspection

Inspect lid handle rollers, cam slide fillers, and pressure pads.

Annual Inspection Checklist: Pressure Test and General Fryer Checks

Pressure Test Procedure

Perform pressure test, verify lid locks, and check pressure regulation.

During Pressure Test Checks

Verify pressure gauge function and check for leaks.

General Fryer Inspection

Verify all labels are in place and legible on the fryer.

Tools and Parts Required for Inspection

Inspection 1: Fry Pot Leak Detection

Fry Pot Leak Inspection Procedure

Inspect fry pot, welds, and plumbing for oil accumulation.

Oil Accumulation Fire Risk Warning

Warning about oil accumulation on the fry pot exterior creating a fire risk.

Inspection 2: Casters and Frame Integrity

Caster and Frame Inspection Objective

Check fryer level, casters, and frame for damage or cracks.

Caster Replacement Procedure

Steps for safely replacing a damaged caster.

Inspection 3: Power Cord and Electrical Requirements

Power Cord Replacement Guidelines

Guidelines for replacing power cords with damage or fraying.

Electrical Requirements for Fryer

Details on voltage, phase, frequency, and grounding requirements.

International Electrical Requirements

Electrical wiring considerations for units outside the US.

Power Cord Installation Procedures

Installing Power Cord (HO7RN Type)

Procedures for installing power cords on HO7RN type units.

Installing Power Cord (CE Units)

Procedures for installing power cords on CE units.

Filter Drain Pan Positioning Warning

Warning about positioning the filter drain pan to prevent splashing.

Electrical Safety Precautions

Protective Device Recommendation

Recommendation for using a 30 mA rated protective device.

Equipotential Bonding for CE Marked Equipment

Guidance on equipotential bonding for CE marked appliances.

Inspection 4: Gas Hose and Connection

Gas Connection Replacement Guidelines

Guidelines for replacing gas connections with damaged parts.

Gas Supply Requirements and Safety

Information on gas supply requirements and safety warnings.

Electrical Disconnect Switch Requirement

Requirement for a separate disconnect switch for power source.

Gas Supply Piping and Venting Requirements

Gas Supply Piping Pressure Testing Safety

Safety precautions during gas supply piping pressure testing.

Venting Requirements for Fryer

Importance of adequate exhaust hood or ventilation system.

Gas Service Connection Guidelines

Guidelines for using 3/4 inch black steel pipe and malleable fittings.

Provisions for Moving the Fryer

Methods for moving the fryer for cleaning and servicing.

Cable Restraint for Fryer Mobility

Cable Restraint Functionality

How the cable restraint limits fryer movement.

Disconnecting Cable Restraint for Servicing

Procedure for unsnapping the cable restraint for cleaning or servicing.

Inspection 5: Lid Counterweight Cable Inspection (PFG-690, PFG-692 AP0802028 & below)

Removing Rear Cover for Cable Inspection

Procedure for removing the rear cover to access lid counterweight cables.

Lid Counterweight Cable Inspection (Model 690 SN: AP0802028 & earlier)

Accessing Lid Counterweight Cables (Older Models)

Steps for removing and loosening screws for cover access.

Lid Counterweight Cable Inspection: Wear and Age

Inspecting Counterweight Cables for Wear

Checking cables for cracks, missing pieces, fraying, or signs of wear.

Replacing Old or Damaged Counterweight Cables

Procedure for replacing cables that fail inspection or are over 10 years old.

Cable Installation Inspection (PFG-690 AP0802028 and Earlier)

Correct Cable Installation Holes

Ensuring cables are installed in the correct holes closest to the fryer front.

Installing Nylon Plugs

Using nylon plugs for rear holes after inspection.

Counterweight Cable Inspection Results: OK vs. Not OK

Counterweight Cables: Not OK - Replace

Identifying cracks and obvious signs of wear requiring replacement.

Counterweight Cables: OK

Identifying cables with no signs of cracking or wear.

Inspection 6: Adjusting the Magnet Plate

Magnet Plate Adjustment Objective

Adjusting magnet plate if lid tends to rise before locking.

Magnet Plate Adjustment Procedure

Steps to loosen nuts, adjust lid, and tighten nuts for adjustment.

Inspection 7: Lubricating Lid Rollers

Lid Roller Lubrication Procedure

Procedure for lubricating lid rollers annually for smooth lid movement.

Inspection 8: Blower Assembly Maintenance

Blower Assembly Removal Procedure

Steps for removing the back shroud and blower motor.

Blower Motor Replacement Steps

Disconnecting wires and removing the blower motor from the unit.

Inspection 9: Cleaning the Dilution Box

Dilution Box Cleaning Objective

Ensure dilution box and drain line are clean and free from debris.

Dilution Box Cleaning Procedure

Removing back shroud and cleaning dilution box with a cloth or brush.

Inspection 10: Cleaning the Nylatrons

Nylatron Cleaning Procedure

Spray degreaser on Nylatrons, raise lid, and wipe to remove soil.

Inspection 11: Plumbing Inspection and Cleaning

Plumbing Inspection Objective

Inspect plumbing for obstructions to maintain product quality.

Plumbing Cleaning Procedure for Obstructions

Procedure to clean deadweight and solenoid plumbing.

Plumbing Cleaning: Deadweight and Solenoid Valves

Cleaning Deadweight and Orifice

Cleaning the deadweight and its orifice with a flexible wire brush.

Cleaning Solenoid Plumbing Obstructions

Cleaning solenoid plumbing for pressure not releasing issues.

Plumbing Reassembly After Cleaning

Reassembling Plumbing Components

Reassembling plumbing, ensuring replacement of worn fittings.

Inspection 12: Solenoid Valve Maintenance

Solenoid Valve Function and Coil Check

Description of solenoid valve and coil check procedure.

Solenoid Valve Replacement Steps

Steps for replacing the solenoid valve coil.

Solenoid Valve Replacement: Core-Disc Assembly and Seals

Cleaning Solenoid Core-Disc Assembly

Procedure for cleaning the core-disc assembly and its parts.

Solenoid Valve Seal Replacement

Instructions for replacing solenoid valve seals with a repair kit.

Solenoid Valve and Deadweight Valve Information

Solenoid Valve Seal Reassembly and Replacement

Reassembling valve after seal replacement and complete valve replacement steps.

Deadweight Valve Safety Warning

Warning about removing deadweight cap during operation.

Inspection 13: Condensation Box Cleaning

Condensation Box Cleaning Objective

Ensure condensation box and drain line are clean and free from debris.

Condensation Box Cleaning Procedure

Steps for removing, cleaning, and reassembling the condensation box.

Inspection 14: Deadweight Cleaning and Inspection

Daily Deadweight Valve Cleaning Procedure

Procedure for daily cleaning of the deadweight valve cap and weight.

Deadweight Assembly Cleaning Warning

Warning about daily cleaning to prevent pressure build-up.

Inspection 15: Safety Relief Valve and Pressure Gauge

Safety Relief Valve Removal and Cleaning

Steps for removing and cleaning the safety relief valve.

Pressure Gauge Calibration and Cleaning

Procedure for recalibrating and cleaning the pressure gauge.

Inspection 16: Deadweight and Safety Relief Valve Maintenance

Deadweight Valve Cleaning and Safety

Daily cleaning of deadweight valve and safety warnings.

Safety Relief Valve Removal and Cleaning

Procedure for removing and cleaning the safety relief valve.

Safety Relief Valve and Pressure Gauge Procedures

Safety Relief Valve Removal and Cleaning Steps

Steps for removing and cleaning the safety relief valve.

Pressure Gauge Calibration Steps

Procedure to recalibrate the pressure gauge.

Inspection 17: Steam Exhaust Hose Inspection

Steam Exhaust Hose Inspection Objective

Ensure proper venting of steam and check for leaks.

Steam Exhaust Hose Replacement Procedure

Procedure for replacing missing or damaged exhaust hose and clamps.

Inspection 18: Cleaning the Air Solenoid Valve (690 Only)

Air Solenoid Valve Operation Objective

Ensure proper operation by cleaning and reassembling the valve.

Air Solenoid Valve Cleaning Procedure

Steps for disassembling, cleaning, and reassembling the air solenoid valve.

Inspection 19: Drain Microswitch Inspection

Drain Microswitch Activation Objective

Check microswitch activation when drain handle is pulled.

Drain Microswitch Defect Check

Procedure to determine if the drain switch is defective.

Drain Microswitch Test and Adjustment

Testing Drain Valve Handle Actuation

Test if handle actuates switch and check gap between switch and shaft.

Changing the Filter Envelope

Filter Envelope Change Procedure

Steps for changing the filter envelope after 10-12 filterings.

Filter Envelope Change Safety Warning

Warning about protective clothing when disconnecting filter union.

Filtering Instructions

Fryer Cleaning and Filtering Frequency

Clean fryer and filter shortening at least twice daily.

Shortening Temperature for Filtering

Drain shortening at 275°F (135°C) or less to avoid crackling burn.

Filtering Temperature Danger Warning

Danger warning for filtering when shortening is hot.

Filtering Procedure: Crackling Removal

Preparing for Filtering

Turn off switch, ensure drain pan is under fryer, and union is tightened.

Cleaning Frypot During Filtering

Wipe bottom of lid, tilt lid, and use brushes to clean cracklings.

Danger Warning: Frypot Cleaning During Filtering

Danger warning for failure to brush cracklings, risking overflow and burns.

Filtering Procedure: Rinse and Shortening Draining

Scraping and Draining Shortening

Scrape frypot sides/bottom, close drain valve, and attach rinse hose.

Rinsing Frypot Interior

Rinse frypot interior with water, focusing on hard-to-clean areas.

Burn Risk Warning: Connecting Rinse Hose

Burn risk warning when connecting/disconnecting rinse hose.

Filtering Procedure: Pump Operation and Filter Envelope Change

Pumping Shortening and Filter Connection Check

Turn pump on, check filter connection for air bubbles.

Filter Envelope Change Procedure

Steps for changing the filter envelope after 10-12 filterings.

Inspection 23: Spreader Bar and High Limit Bracket Tightening

Spreader Bar and High Limit Bracket Loosening Cause

Heating/cooling causes expansion/contraction, leading to loosening.

Inspection of Spreader Bars and High Limit Bracket

Verify presence and condition of spreader bar screws and bracket screws.

Spreader Bar and High Limit Bracket Tightening Procedure

Tightening Spreader Bar Screws

Tighten spreader bar screws with a Philips screwdriver.

Tightening High Limit Bracket Screws

Tighten high limit bracket screws, ensuring bulb is seated.

Inspection 24: Temperature Probe Replacement

Temperature Probe Replacement Objective

Replace probe if disabled ('E-6') or calibration is off by 10°F/10°C.

Temperature Probe Replacement Procedure

Steps for removing, replacing, and inserting the temperature probe.

Temperature Probe Replacement: Final Steps and Data

Tightening Temperature Probe Fitting

Tighten hand tight and then a half turn with a wrench.

Connecting New Probe and Checking Fryer

Connect new probe, replace panel, and check fryer operation.

Temperature Probe Resistance Chart

Chart showing temperature vs. resistance for the probe.

Inspection 25: Cleaning Burners

Burner Cleaning Objective

Remove obstructions to maintain BTU/KW output and cook quality.

Burner Cleaning Procedure

Disconnect power/gas, remove burners, blow out debris, and re-install.

Inspection 26: Inspect and Clean Pilot Assemblies

Pilot Assembly Cleaning Objective

Prevent flame sense issues by cleaning pilot assemblies.

Pilot Assembly Cleaning Procedure

Disconnect power/gas, remove assemblies, clean orifices and venturri.

Inspection 27: Oil Migration Inspection (580-590)

Oil Migration Inspection Objective

Inspect for oil seeping through fittings behind the control board.

Oil Migration Inspection Procedure

Remove control board, inspect fittings, address oil migration issues.

Risk of Fire Warning: Contactors

Warning to replace contactors that have come into contact with oil.

Inspection 28: High Limit Inspection

High Limit Inspection Objective

Ensure the high limit is securely installed and operational.

High Limit Inspection Procedure

Drain oil, inspect bulb/tube, press reset button, check wiring.

Inspection 29: Plumbing Leaks in Filtration System

Plumbing Leak Inspection Objective

Identify leaks during filtration and cooking.

Test Procedure for Plumbing Leaks During Filtration

Inspect fittings during filtration and after draining oil.

Plumbing Leak Testing During Cooking

Plumbing Leak Test During Cooking Procedure

Disconnect dairy unit, pressurize fryer, inspect drain valve and union.

Inspection 30: Measuring Amp Draw (PFE-580 and PFE-590)

Amp Draw Measurement Objective

Identify heat system issues by measuring amp draw of heating elements.

Amp Draw Measurement Procedure (200-480V)

Measure amp draw of heating elements and compare to chart.

Amp Draw Measurement Procedure (380-415V)

Checking Amp Draw for 380-415V Units

Measure amp draw of heating elements and compare to chart.

Inspection 31: Gas Pressure Regulator Setting

Gas Pressure Regulator Factory Settings

Factory settings for natural and propane gas pressure.

Gas Pressure Measurement Procedure

Steps to measure gas pressure using a manometer.

Gas Pressure Danger Warning

Warning about incorrect gas pressure causing fires or serious injury.

Inspection 32: Lid Handle Roller Inspection

Lid Handle Roller Component Overview

Overview of lid handle rollers and mounting components.

Lid Handle Roller Inspection Procedure

Inspect rollers for cracks, flat spots, or deep grooves.

Examples of Roller Wear and Damage

Visual examples of worn or damaged rollers.

Inspection 33: Inspect Cam Slide Fillers

Cam Slide Fillers Objective

Minimize grease, debris accumulation under lid cover.

Cam Slide Filler Replacement Procedure

Steps to remove old fillers and install new ones.

Cam Slide Filler Reinstallation

Reinstalling Lid Cover and Filler

Ensure filler is seated, test handle movement, and reinstall cover.

Inspection 34: Temporary Hold Down Latch Inspection and Adjustment

Temporary Hold Down Latch Objective

Ensure latch keeps lid lowered and engages catch properly.

Temporary Lid Latch Adjustment Procedure

Adjust latch and catch for proper engagement.

Inspection 35 & 38/39: Lid and Lid Lock Inspection

Lid Lock Inspection Objective

Verify lid lock remains locked until pressure drops below 1.7psi.

Pressure Gauge and Plumbing Inspection

Inspect pressure gauge and plumbing for obstructions.

Reducer Removal for Test Fixture

Remove reducer to install calibrated test gauge fixture.

Lid Lock Inspection: Test Gauge Installation and Monitoring

Calibrated Test Gauge Installation

Thread calibrated test gauge into T-fitting, seal threads.

Monitoring Existing Pressure Gauge

Monitor existing gauge for similar range and proper function.

Lid Cover Removal for Inspection

Remove lid cover screws and remove the lid cover.

Lid Lock Inspection: Visual Checks and Pressure Test

Visual Inspection of Lid Lock Components

Inspect pressure pin, lid lock assembly, and handle weldment for damage.

Oil Migration into Lid Inspection

Inspect lid for oil migration through vent holes.

Lubricating Lid Lock Components

Clean and lube pressure pin, locking pins, and linkage.

Pressure Test for Lid Lock Engagement

Test lid lock engagement by inserting a business card.

Lid Lock Inspection: Pressure Release and Gauge Check

Checking Pressure Release During Cook Load

Verify pressure release timing and observe gauge reading.

Pressure Test Result Interpretation

Interpret pressure readings for lid lock engagement and pass/fail criteria.

Post-Test Gauge Replacement and Plumbing Check

Replace gauge if necessary and check pressure solenoid and plumbing.

Lid Assembly Part Numbers

Inspection 36: Pressure Pad Inspection and Replacement

Pressure Pad Function

Pressure pads seal the lid against the cam.

Pressure Pad Removal and Replacement

Steps to remove, reverse, or install pressure pads.

Inspection 37: Reversing the Lid Gasket

Lid Gasket Reversal Objective

Reverse gasket to ensure no pressure loss due to heat expansion.

Lid Gasket Removal and Cleaning

Pry out gasket, check for tears, clean gasket and seat.

Lid Gasket Reinstallation

Rotate gasket and install corners, smoothing into place.

Inspection 42: Label Application and Location

Label Removal and Surface Preparation

Peel old labels, clean surface with non-abrasive pad and detergent.

Applying New Labels

Peel backing, apply label, and smooth out air bubbles.

Label Identification List

List of labels with their corresponding numbers and descriptions.

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