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Maxi Comet Executive Exec-56-G Instruction Manual

Gas heated flatwork ironer
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COMET EXECUTIVE™
Gas Heated
Flatwork Ironer

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  • Page 1 COMET EXECUTIVE™ Gas Heated Flatwork Ironer...
  • Page 2 Instruction Manual #3011-102f MAXI Companies 4317 E. Genessee Street, Dewitt, New York 13214 USA Phone: 315-446-2180 Fax: 315-446-2403 E-mail: sales@maxico.com...
  • Page 3 Comet Executive Gas Table of Contents TABLE OF CONTENTS MANUAL Chapter 1 - Introduction Chapter 2 - Installation Chapter 3 - Operating Guidelines Chapter 4 - Preventive Maintenance Chapter 5 - Operating Principles Chapter 6 - Troubleshooting Chapter 7 - Repair PICTURE PARTS LIST SCHEMATIC PARTS LIST APPENDIX...

  • Page 4: Table Of Contents

    Table of Contents Comet Executive Gas CHAPTER 1 INTRODUCTION Warranty ....................1-2 Scope of the Manual ................1-2 Safety ...................... 1-3 Safe Work Habits ..................1-3 Safety Features ..................1-4 INDEX...
  • Page 5 Comet Executive Gas Table of Contents CHAPTER 2 INSTALLATION Site and Utility Requirements ..............2-2 Installation Procedures ................2-3 Inspection ....................2-3 Uncrating and Positioning ............... 2-4 Exhaust Blower Installation ..............2-5 Electrical Connection................2-8 Gas Connection..................2-12 Receiving Shelf Set-Up ................. 2-14 Final Protective Wrapper Removal ............
  • Page 6 Table of Contents Comet Executive Gas CHAPTER 3 OPERATING GUIDELINES Safety Features ..................3-2 Main Disconnect Switch ................3-2 Safety Stop Buttons................. 3-2 Safety Guards ..................3-2 Safety Interlock Switch ................3-3 Safety Labels................... 3-3 Operating Controls .................. 3-4 Right Endframe Controls ................. 3-4 Left Endframe Controls ................
  • Page 7 Comet Executive Gas Table of Contents CHAPTER 4 PREVENTIVE MAINTENANCE PM Task Tables ....................4-1 Daily, Weekly Tasks ................. 4-1 Monthly, Semi-Annual Tasks ..............4-2 Daily PM (8 Hours) .................. 4-3 Watch and Listen for Anything Abnormal ..........4-3 General Cleanliness ................4-3 Check and Clean Temperature Sensor Contact Shoes ......
  • Page 8 Table of Contents Comet Executive Gas CHAPTER 5 OPERATING PRINCIPLES Safety ........................ 5-2 Electrical System ..................5-2 Disconnect Switch and Fuses ..............5-3 Step-Down Transformer ................5-3 Electrical Panel..................5-4 Mechanical System ................. 5-5 Drive System ................... 5-5 Ribbon Sets ..................... 5-6 Exhaust System ..................
  • Page 9 Comet Executive Gas Table of Contents CHAPTER 5 TROUBLESHOOTING Troubleshooting Symptoms ................6-2 Electrical ....................6-4 Mechanical System ................. 6-6 Ironing Quality ..................6-9 Heating System ..................6-12 Pilot Ignition ................... 6-12 Burner Ignition ..................6-13 Burner Operation ................... 6-14 Exhaust System ..................
  • Page 10 Table of Contents Comet Executive Gas CHAPTER 7 REPAIR Safety Considerations ................7-2 Parts Availability ..................7-3 Feed Section ................... 7-4 Feed Ribbon Tension Adjustment ............7-5 Feed Ribbon Replacement..............7-6 Feed Ribbon Drive Roll Friction Material Replacement ......7-8 Guide Tape Replacement ..............

  • Page 11: Chapter 1 Introduction

    Comet Executive Gas Introduction Chapter 1 INTRODUCTION This chapter contains the following sections: Warranty Scope of the Manual Safety The Comet Executive™ Gas-Heated Flatwork Ironer (Figure 1-1) is a one-piece unit that dries and irons sheets, pillowcases, table linen, and other types of flatwork. The unit processes 100% polyester, polyester/cotton blends or all-cotton fabrics.
  • Page 12 Introduction Comet Executive Gas Chapter 4 - Preventive Maintenance 1.1 Warranty Contains procedures for Daily, Weekly, A full page warranty statement is included M o n t h l y , S e m i - A n n u a l , a n d A n n u a l in this Instruction Manual.

  • Page 13: Safety

    Comet Executive Gas Introduction Maintenance and Repair 1.3 Safety Safe operation and maintenance of the unit WARNING must be the first priority of all supervisors, Always use extreme caution operators, and maintenance personnel. Safety when performing any begins with safe work habits. In addition, the repairs that require the unit unit is equipped with built-in safety features for to be operating.

  • Page 14: Safety Features

    Introduction Comet Executive Gas Safety Features WARNING There are six categories of safety features: Know the proper procedure for locking out • Main Disconnect Switch and tagging equipment • Safety Stop Buttons during repair procedures. • Safety Guards Follow the rules of your work •...
  • Page 15 Comet Executive Gas Introduction Safety Guards Safety Labels A red safety finger guard covers the moving WARNING (orange) and CAUTION (yellow) parts at the front of the unit. It runs the entire labels (Figure 1-2) are placed at locations around length of the unit’s working area and physically the unit to keep operators and maintenance restricts hands from coming into contact with...
  • Page 16 Introduction Comet Executive Gas Safety Messages in this Manual WARNING and CAUTION messages appear in this manual to highlight essential safety information. WARNING messages alert personnel that personal injury may result from not following recommended procedures. WARNING Never operate the unit unless all safety systems are working correctly and all access panels are in place.

  • Page 17: Chapter 2 Installation

    Comet Executive Gas Installation Chapter 2 INSTALLATION This chapter contains installation instructions for the Comet Executive™ Gas and includes the following sections: Site and Utility Requirements Installation Procedures Pre-Operational Checkout The unit was tested under load conditions at the factory and inspected to ensure proper operation. It was shipped in working condition and is completely assembled except for the receiving shelves and the exhaust blower assembly.

  • Page 18: Site And Utility Requirements

    Installation Comet Executive Gas The site should have a relatively level, 2.1 Site and Utility sturdy floor capable of supporting the unit’s Requirements weight without significant flexing. For weight specifications, refer to APPENDIX: Technical Figure 2-1 shows the clearance requirements Specifications.

  • Page 19: Installation Procedures

    Comet Executive Gas Installation The electrical requirements of the unit are 2.2 Installation shown on the nameplate (Figure 2-2), located Procedures on the front of the left endframe. Wiring and a separate, fused disconnect switch of suitable size Installation procedures of the unit include the must be locally supplied if local codes require following.

  • Page 20: Uncrating And Positioning

    Installation Comet Executive Gas Uncrating and Positioning 3. Remove the exhaust blower assembly from the crate and set aside. Required Tools 4. Open both endframe doors and remove Crowbar any materials shipped with the unit. Close Forklift and secure the doors. Screwdriver Sledgehammer Wire cutter/knife...

  • Page 21: Exhaust Blower Installation

    Comet Executive Gas Installation 8. After the unit is placed and secured, re- Exhaust Blower Installation move the plastic covers from the unit. Do The exhaust canopy includes a blower to expel not remove the guide tapes or the brown excess heated air and moisture.
  • Page 22 Installation Comet Executive Gas Locating the Exhaust Blower Installing the Exhaust Blower Required Tools NOTE: Proper installation is Determined locally required for all warranties and applicable certification labels to be valid. Call the factory if you have 1. Install the provided 8” collar in the open- any questions.
  • Page 23 Comet Executive Gas Installation 3. The exhaust blower assembly must be Ventilating the Work Area mounted VERTICALLY within 15 ft (5 m) of the unit to maintain proper air WARNING movement. The room housing the unit must be provided with 4.

  • Page 24: Electrical Connection

    Installation Comet Executive Gas Electrical Connection Sail Switch and Exhaust Blower Motor Connection CAUTION The incoming electric NOTE: All material for wiring the exhaust blower motor and sail power service must match switch must be locally supplied. the specific electrical C h e c k l o c a l r e g u l a t i o n s t o requirements shown determine requirements.
  • Page 25 Comet Executive Gas Installation 4. Remove the wiring box cover to the ex- NOTE: If local codes permit, haust blower motor (Figure 2-8, A/Figure consider routing the exhaust 2-9, A). blower wires into the sail switch 5. Bring the wires for the sail switch into the wiring box and then bringing a wiring box and attach the electrical con- single connection over to the...
  • Page 26 Installation Comet Executive Gas 10. The main disconnect switch is located on Main Power Connection the right endframe door. Turn it to the OFF position (Figure 2-10, A). WARNING Only a qualified electrician 11. Turn the door latch (Figure 2-10, B) on should make the electrical the right endframe door and open the door.
  • Page 27 Comet Executive Gas Installation 3-Phase Machines Single Phase Machines-230V 1. Bring the supply lines to the electrical 1. Bring the supply lines to the electrical panel. Use three wires for the power sup- panel. Use two wires for the power supply ply and a green fourth wire for ground.

  • Page 28: Gas Connection

    Installation Comet Executive Gas Gas Connection Single Phase Machines-115V 1. Bring the supply lines to the electrical panel. Use two wires for the power supply CAUTION and a green third wire for ground. The gas supply must match the specific gas 2.
  • Page 29 Comet Executive Gas Installation Shut-Off Valve Installation WARNING Only qualified personnel Required Tools should make the gas Pipe thread compound connections to the unit. Pipe wrench Improper installation could result in serious injury. The gas line to the unit should be routed so it does not interfere with any service panel or block access to the back of the unit.

  • Page 30: Receiving Shelf Set-Up

    Installation Comet Executive Gas 6. Attach a dirt leg nipple (F) with a cap to Receiving Shelf Set-Up the lower run of the tee (D). Required Tools Screwdriver NOTE: A dirt leg in the gas Wrench: 7/16” line upstream of the ironer helps prevent malfunctions resulting 1.

  • Page 31: Final Protective Wrapper Removal

    Comet Executive Gas Installation Final Protective Wrapper Removal 2.3 Pre-Operational 1. Carefully remove any remaining plastic Checkout protective coverings from the unit. Do not remove the guide tapes (Figure 2-3). NOTE: For more information 2. Remove any wooden wedges used to about the controls mentioned in hold the ironing cylinder in place during the following procedures, refer...

  • Page 32: Security Of Hardware

    Installation Comet Executive Gas Security of Hardware Required Tools Allen wrench set Wrench set 1. Open both endframe doors. 2. Check all hardware connections and tighten as necessary. Make sure all set- screws are sufficiently tightened to hold their respective components in position. NOTE: To a l l o w f o r h e a t Figure 2-16: Do NOT put setscrews into left...

  • Page 33: Exhaust Blower Motor Rotation Checkout

    Comet Executive Gas Installation Exhaust Blower Motor Rotation 5. As appropriate: Checkout • If the motor is rotating in the correct direction, go to the next procedure. After all utility connections are completed, the unit can be energized and checked to verify •...

  • Page 34: Safety Device And Control Function Checkout

    Installation Comet Executive Gas Safety Device and Control Function Safety Device Check Checkout 1. Turn power ON at the main disconnect switch. The machine can now be checked for proper safety device and control function operation. 2. Press the green START button (Figure After that, the brown paper covering the ironing 2-18, A).

  • Page 35: Ironing Cylinder Paper Removal

    Comet Executive Gas Installation Control Function Check Ironing Cylinder Paper Removal 1. Press the green START button. Perform only when the unit is OFF with power connected and COOL. 2. Turn the SPEED knob (Figure 2-18, D) Use Extreme Caution. clockwise to increase the speed.

  • Page 36: Gas Connection Checkout

    Installation Comet Executive Gas 3. Turn the SPEED knob fully counterclock- Gas Connection Checkout wise to set the machine to its slowest speed. Gas Supply 4. Press the green START button. Required Tools Allen wrench: 3/16” WARNING Pipe thread compound Never attempt to remove Water column manometer debris from the cylinder...
  • Page 37 Comet Executive Gas Installation Follow the procedure below for the type of gas For Liquefied Petroleum Gas being used—natural gas, liquefied petroleum gas, (Propane, Butane): or manufactured gas. Perform only when the unit is OFF with power disconnected and COOL. For Natural Gas: 1.
  • Page 38 Installation Comet Executive Gas • More than 12” (3.0 kPa): This is a high Inspect Gas Piping pressure gas supply. Installation of an additional regulator is necessary: Required Tools Leak detection equipment or 1) The additional regulator must be soap & water solution mounted according to the manu- Pipe wrench facturer’s specifications.
  • Page 39 Comet Executive Gas Installation Ignition Test 11. Turn the TEMPERATURE control dial to OFF. 1. Make sure the external manual gas supply valve is turned off. 12. Wait a few seconds and then turn the con- trol back to 300º F (150º C). 2.
  • Page 40 Installation Comet Executive Gas 17. To adjust the gas pressure to the burner: 19. Turn the TEMPERATURE control dial to OFF. NOTE: The gas valve’s internal 20. Stop the unit and turn power OFF at the regulator should only be adjusted main disconnect switch.

  • Page 41: Checkout Completion

    Comet Executive Gas Installation Checkout Completion If any of the checkout steps are unsuccessful, refer to TROUBLESHOOTING for additional information. If the problem cannot be determined/solved, contact your local CHICAGO distributor or ® Chicago Dryer Company’s factory service department. Cleaning the Unit During shipment and installation of the unit, dirt or other contaminants may accumulate that will soil or mark processed flatwork.

  • Page 43: Chapter 3 Operating Guidelines

    Comet Executive Gas Operating Guidelines Chapter 3 OPERATING GUIDELINES In order to operate the Comet Executive™ Gas safely and with maximum efficiency, it is necessary to become familiar with the following guidelines. Safety Features Operating Controls Standard Operating Procedures Operating Techniques NOTE: It is extremely impor tant that the daily operation of the unit be properly supervised at all times.

  • Page 44: Safety Features

    Operating Guidelines Comet Executive Gas Safety Stop Buttons 3.1 Safety Features The preferred method of stopping the operation The unit is manufactured with several built-in of the unit is by pressing any of the four red safety features to promote safety and proper operating STOP buttons located at each corner of the unit procedures.

  • Page 45: Safety Interlock Switch

    Comet Executive Gas Operating Guidelines Both endframes and the rear of the unit are covered with protective doors and panels to prevent fingers or hands from coming into contact with moving and heated parts. Removing the rear panel immediately stops the heating system and all rotating parts.

  • Page 46: Operating Controls

    Operating Guidelines Comet Executive Gas Right Endframe Controls 3.2 Operating Controls The following operating controls (Figure 3-6) All operating controls are externally mounted are located at the front of the right endframe: on the front of the endframes and clearly marked with functional names.

  • Page 47: Left Endframe Controls

    Comet Executive Gas Operating Guidelines JOG REVERSE button (D): Left Endframe Controls The following operating controls and indicator CAUTION lamps are located at the front of the left endframe Turn the SPEED CONTROL (Figure 3-7). knob to the slowest speed •...

  • Page 48: Standard Operating Procedures

    Operating Guidelines Comet Executive Gas Start-Up 3.3 Standard Operating Procedures The following steps are suggested for starting the unit at the beginning of each day. In the normal operation of the unit, it is 1. Perform all of the daily preventive main- desirable to follow consistent operational tenance procedures, except for waxing the procedures.

  • Page 49: Waxing

    Comet Executive Gas Operating Guidelines 10. Restart the unit. Waxing 11. Adjust the TEMPERATURE control dial Standard Ironing Cylinder to waxing temperature, approximately 300° F (150° C). Daily waxing of the ironing cylinder ensures it is coated correctly, allowing the flatwork to slide 12.
  • Page 50 Operating Guidelines Comet Executive Gas 4. Check the condition of the waxing cloth. 5. Use a waxing cloth the width of the ironer If the waxing cloth feels: and 90” (230 cm) long: • Stiff when it is cool, it is sufficiently a) Make a fold in the middle of the piece waxed.

  • Page 51: Flatwork Handling

    Comet Executive Gas Operating Guidelines Flatwork Handling WARNING It is very important how operators use the unit. The waxing cloth must By following these guidelines, operators can always be cool when it is increase productivity, extend the life of the unit, stored.

  • Page 52: Clearing A Jam Safely

    Operating Guidelines Comet Executive Gas Ironing Cylinder Clearing a Jam Safely • Use the entire length of the heated WARNING ironing cylinder. This is especially The ironing cylinder will burn important when finishing pillowcases. you on contact. • Work from side to side to prevent dirt Never reach in, on, or near and heat buildup at the ends of the the ironing cylinder.

  • Page 53: Shut-Down

    Comet Executive Gas Operating Guidelines 7. If the jammed flatwork cannot be removed Shut-Down easily: The following steps are suggested for shutting a) Announce the unit is being started. down the unit at the end of each day: Make sure everyone is a safe distance 1.

  • Page 54: Operating Techniques

    Operating Guidelines Comet Executive Gas Conditioning Flatwork Before 3.4 Operating Techniques Ironing The following factors are involved in producing There are several characteristics of flatwork the best flatwork finish possible with the unit: which are determined by processes before drying •...
  • Page 55 Comet Executive Gas Operating Guidelines Final Rinse After extraction, the optimum MR is 30% - 35% for polyester/cotton fabrics and 45% - 50% The final rinse can affect the quality of for cotton fabrics. flatwork finishing. It is important all flatwork be thoroughly rinsed before entering the unit to keep 1.

  • Page 56: Unit Settings

    Operating Guidelines Comet Executive Gas Unit Settings Ironing Speed The ironing speed should be standardized The following three unit settings affect the based on MR, fabric content and thickness for final flatwork finish: flatwork to be properly dried and ironed. •...

  • Page 57: Processing Standards

    Comet Executive Gas Operating Guidelines 5. Set the temperature of the TEMPERA- Processing Standards TURE control dial for the fabric being processed. CAUTION This unit is NOT designed • 100% polyester: 250-300° F (121- 149° C) to process folded fl atwork. Processing folded fl...

  • Page 59: Pm Task Tables

    Comet Executive Gas Preventive Maintenance Chapter 4 PREVENTIVE MAINTENANCE Various components of the Comet Executive™ Gas require scheduled attention to ensure long life and trouble-free operation. The Preventive Maintenance (PM) Schedule below and on the next page outlines all of the PM tasks required at regular intervals. All tasks are the responsibility of maintenance personnel unless otherwise indicated.

  • Page 60: Monthly, Semi-Annual Tasks

    Preventive Maintenance Comet Executive Gas FREQUENCY OF TASKS BASED ON HOURS OF OPERATION Preventive Maintenance Tasks Operator Maintenance Ironer Condition 4.3 Monthly (200 hours) Check Setscrews Off/Disconnect Power/Cool Monthly, Semi-Annual Tasks Grease Bearings Off/Disconnect Power/Cool Oil Drive Chain and Tension Springs Off/Disconnect Power/Cool Check Compression Roll Pressure and Running/Cool...

  • Page 61: Daily Pm (8 Hours)

    Comet Executive Gas Preventive Maintenance Watch and Listen for Anything 4.1 Daily PM (8 Hours) Abnormal WARNING Perform only when the unit is Do not repair or correct any RUNNING. of these conditions without Use Extreme Caution. reading and understanding the Repair chapter.

  • Page 62: Check And Clean Temperature Sensor Contact Shoes

    Preventive Maintenance Comet Executive Gas Check and Clean Temperature Check Guide Tapes Sensor Contact Shoes Perform only when the unit is OFF with power disconnected and COOL. Required Tools Soft cloth Guide tapes are used to prevent flatwork from Vacuum cleaner or compressed air sticking to the compression roll.

  • Page 63: Check Safety Equipment

    Comet Executive Gas Preventive Maintenance Check Safety Equipment Wax Ironing Cylinder Perform only when the unit is Perform only when the unit is RUNNING and COOL. RUNNING and HOT. Use Extreme Caution. Use Extreme Caution. The machine should never be operated without Daily waxing of the ironing cylinder is all safety guards in place and all safety devices necessary to produce a finer flatwork finish,...

  • Page 64: Weekly Pm (50 Hours)

    Preventive Maintenance Comet Executive Gas Clean Behind Service Panels 4.2 Weekly PM (50 Hours) Required Tools WARNING Allen wrench: 5/32” Do not repair or correct any Clean cloth of these conditions without Vacuum cleaner reading and understanding the Repair chapter. Perform only when the unit is OFF with power disconnected and COOL.

  • Page 65: Check Ironing Cylinder

    Comet Executive Gas Preventive Maintenance Check Ironing Cylinder Check and Clean Inverter Check and clean the inverter and its cooling Perform only when the unit is OFF fins weekly with a vacuum cleaner. Failure to do with power disconnected and COOL. so may void your warranty.

  • Page 66: Grease "Weekly" Bearings

    Preventive Maintenance Comet Executive Gas Grease “Weekly” Bearings The grease fittings for the ironing cylinder bearing (Figure 4-3, A) in the right endframe, cam follower bearings (Figure 4-4, A) in the left endframe, and compression roll bearings (Figure 4-3, B; Figure 4-4 B) in both endframes, are marked with yellow “GREASE WEEKLY”...
  • Page 67 Comet Executive Gas Preventive Maintenance 5. Add lubricant slowly until a slight bead of Required Tools lubricant forms at the seal. As soon as the Clean cloth bead forms, stop adding grease to prevent Grease gun damage from over-lubrication. Grease: EP, bentonite clay, NLGI 2, 1000 cSt viscosity CAUTION Perform only when the unit is OFF...

  • Page 68: Oil Roll Bearing Pivots

    Preventive Maintenance Comet Executive Gas Oil Roll Bearing Pivots The bearing pivots for the compression roll (Figure 4-5, A) and return ribbon guide assembly roll (B) inside each endframe need to be oiled weekly to allow the bearings to pivot smoothly. Required Tools Clean cloth SAE 90 grade oil...

  • Page 69: Check And Clean Motors

    Comet Executive Gas Preventive Maintenance Check and Clean Motors Check and Clean Sail Switch and Exhaust Blower Wheel The drive motor and exhaust blower motor require weekly cleaning to ensure proper The sail switch (Figure 4-7) must be cleaned in operation.

  • Page 70: Check Ribbon Condition And Tension

    Preventive Maintenance Comet Executive Gas 1. Turn power OFF at the main disconnect Check Ribbon Condition and switch. Tension 2. Remove the sail switch cover. High temperature synthetic material is used for the feed and return ribbons. 3. Remove the two screws holding the sail switch in position and gently pull it out from the exhaust blower.

  • Page 71: Monthly Pm (200 Hours)

    Comet Executive Gas Preventive Maintenance Check Setscrews 4.3 Monthly PM (200 Hours) Setscrews are used to secure sprockets, bearings, pulleys, and other rotating parts. WARNING Required Tools Do not repair or correct any Allen wrench set of these conditions without reading and understanding the Repair chapter.

  • Page 72: Grease Bearings

    Preventive Maintenance Comet Executive Gas Grease Bearings Oil Drive Chain and Tension Springs The drive chain in the left endframe (Figure Required Tools 4-10, A), and the compression roll tensioning Clean cloth springs (B), and return ribbon tensioning Grease gun springs (C) in both endframes require monthly Grease: EP, bentonite clay, NLGI 2, maintenance.

  • Page 73: Check Compression Roll Pressure And Padding Condition

    Comet Executive Gas Preventive Maintenance Check Compression Roll Pressure 4.4 Semi-Annual PM and Padding Condition (1000 Hours) Perform only when the unit is RUNNING and COOL. WARNING Use Extreme Caution. Do not repair or correct any of these conditions without Uneven compression roll pressure can shorten reading and understanding the life of the compression roll pad.

  • Page 74: Check Gas Pressure

    Preventive Maintenance Comet Executive Gas Check Gas Pressure Check Mechanical and Electrical Connections It is important to check the available gas pressure to the unit during periods of peak Required Tools demand by other gas-heated equipment in the Clean cloth laundry room or elsewhere at the facility.

  • Page 75: Annual Pm (2000 Hours)

    Comet Executive Gas Preventive Maintenance 8. Close and secure both endframe doors. 4.5 Annual PM (2000 Hours) WARNING Never operate the unit unless WARNING all safety covers are in place Do not repair or correct any and all safety equipment is of these conditions without working correctly.

  • Page 76: Check And Clean Pilot Assembly

    Preventive Maintenance Comet Executive Gas Check and Clean Pilot Assembly Perform only when the unit is OFF with power disconnected and COOL. Periodic inspection and cleaning of the various pilot assembly components helps ensure trouble- free operation. Remove Burner In order to service the pilot assembly, it will 1.
  • Page 77 Comet Executive Gas Preventive Maintenance 8. Disconnect the pilot gas line from the gas 14. Remove the burner assembly slowly. When valve (Figure 4-12, A). the burner has been moved about 18” (450 mm), stop moving the assembly. 9. Securely place a large C-clamp on the burner assembly and use it as a hand-hold The tail pipe should be about ready to clear to help balance and support the assembly.
  • Page 78 Preventive Maintenance Comet Executive Gas Service Pilot Assembly 1. Remove the pilot gas tube (Figure 4-13, NOTE: W i t h t h e b u r n e r CAUTION removed, examine the burner tips Do not attempt to clean the to determine whether they need cleaning.
  • Page 79 Comet Executive Gas Preventive Maintenance Replace Burner 8. Reconnect the pilot gas line (Figure 4-12, A). Use pipe thread compound or Teflon After all maintenance/repair is completed, tape to assure a leakproof connection. replacing the burner is generally a reversal of the removal process with the following additional 9.

  • Page 81: Chapter 5 Operating Principles

    Comet Executive Gas Operating Principles Chapter 5 OPERATING PRINCIPLES In order to maintain and troubleshoot the Comet Executive™ Gas safely and effectively, it is necessary to understand how the unit works. This chapter is divided into four operating systems and a review of how these system are controlled to iron flatwork: Electrical System Mechanical System...

  • Page 82: Safety

    Operating Principles Comet Executive Gas Safety 5.1 Electrical System The equipment described here has been The electrical components of the unit provide designed to work together to give a safe and the power to move the ironing cylinder, the reliable machine. Changing the equipment or various rolls and ribbons, and to control operation controls may cause a malfunction that could of the ironer.

  • Page 83: Disconnect Switch And Fuses

    Comet Executive Gas Operating Principles Disconnect Switch and Fuses The unit comes equipped with a disconnect switch (DDS). This switch (Figure 5-1, A) is in the electrical panel inside the right endframe. Included as a part of the disconnect switch are a set of fuses (Figure 5-1, B), which will isolate the unit from the mains if necessary.

  • Page 84: Electrical Panel

    Operating Principles Comet Executive Gas Electrical Panel The electrical panel (Figure 5-3) is located inside the right endframe. The table below provides an explanation of each item indicated in the picture. DSC1 INV1 Figure 5-3: Electrical panel power system components -inside right endframe. ELECTRICAL PANEL COMPONENTS Schematic Description...

  • Page 85: Mechanical System

    Comet Executive Gas Operating Principles 5.2 Mechanical System Components that make up the mechanical system include the following: • Drive System • Ribbon Sets Drive System Use the drawing at right (Figure 5-4) to identify the mechanical components of the ironer drive system.

  • Page 86: Ribbon Sets

    Operating Principles Comet Executive Gas Ribbon Sets Two sets of ribbons are used in ironing. Use the cross-section below (Figure 5-5) to follow the path of the flatwork. Note the function of each roll and set of ribbons as the flatwork moves through the unit.

  • Page 87: Exhaust System

    Comet Executive Gas Operating Principles 5.3 Exhaust System 5.4 Heating System Components that make up the exhaust system The heating system consists of the following are located in the exhaust canopy. components: • Burner System These components include: • Temperature Control •...
  • Page 88 Operating Principles Comet Executive Gas Figure 5-7: Burner system components in the left endframe. INDEX...

  • Page 89: Burner System

    Comet Executive Gas Operating Principles Burner System Gas Shut-Off Valve (D) Shuts off the gas supply to the burner. The following provides a brief summary of each component identified in Figure 5-7. Gas Burner (E) Gas Valve with Regulator (A) Uses gas and atmospheric air to provide flames along the length of the cylinder.

  • Page 90: Temperature Control

    Operating Principles Comet Executive Gas Temperature Control The TEMPERATURE control (Figure 5-8) is used to set the temperature of the ironing cylinder and to turn the gas system ON and OFF. See also the information on the temperature sensor contact shoes below.

  • Page 91: Sequence Of Operation

    Comet Executive Gas Operating Principles Stand-By Stage 5.5 Sequence of Operation During this stage, the main disconnect switch The unit has four main stages of operation: is ON, but the unit is not operating. • Stand-By Stage 1. Line voltage is present at INV1. •...

  • Page 92: Mechanical Start-Up Stage

    Operating Principles Comet Executive Gas Mechanical Start-Up Stage Burner Operation Stage This stage contains the sequence that occurs This stage describes the sequence that occurs when the unit begins operating without ignition during ignition, operation, and shut-down of the of the burner. burner.

  • Page 93: Chapter 5 Troubleshooting

    Comet Executive Gas Troubleshooting Chapter 6 TROUBLESHOOTING This chapter includes troubleshooting for the Comet Executive™ Gas in the areas listed below: Electrical Mechanical System Ironing Quality Heating System Exhaust System Unusual operating symptoms that occur during the checkout or operation of the unit must be diagnosed and corrected immediately.

  • Page 94: Troubleshooting Symptoms

    Troubleshooting Comet Executive Gas Troubleshooting Symptoms 6.1 Electrical Unit Does Not Start or Jog ....................6-4 Unit Jogs, Does Not Start ....................6-5 Unit Starts, Does Not Jog ....................6-5 No Speed Adjustment ......................6-5 6.2 Mechanical System Noisy Operation ......................... 6-6 Ribbons Do Not Track Straight ..................
  • Page 95 Comet Executive Gas Troubleshooting 6.4 Heating System Pilot Ignition TEMPERATURE Control Indicator Lamp Does Not Come On When Dial is Turned to ON ......................6-12 Pilot Ignition Irregular or Absent ..................6-12 Burner Ignition Flame Does Not Travel Down the Entire Length of the Burner ........6-13 Gas Flow: Poor, Irregular, None ..................

  • Page 96: Electrical

    Troubleshooting Comet Executive Gas WARNING WARNING Troubleshooting Only trained personnel with experience Read the REPAIR chapter and make in gas, electrical or mechanical repair sure that the power is disconnected should troubleshoot and repair the unit. before doing any repairs. 6.1 Electrical ISSUE POSSIBLE CAUSE...

  • Page 97: Unit Jogs, Does Not Start

    Comet Executive Gas Troubleshooting WARNING WARNING Troubleshooting Only trained personnel with experience Read the REPAIR chapter and make in gas, electrical or mechanical repair sure that the power is disconnected should troubleshoot and repair the unit. before doing any repairs. ISSUE POSSIBLE CAUSE SOLUTION...

  • Page 98: Mechanical System

    Troubleshooting Comet Executive Gas WARNING WARNING Troubleshooting Only trained personnel with experience Read the REPAIR chapter and make in gas, electrical or mechanical repair sure that the power is disconnected should troubleshoot and repair the unit. before doing any repairs. 6.2 Mechanical System ISSUE POSSIBLE CAUSE...

  • Page 99: Ribbon Set Not Working

    Comet Executive Gas Troubleshooting WARNING WARNING Troubleshooting Only trained personnel with experience Read the REPAIR chapter and make in gas, electrical or mechanical repair sure that the power is disconnected should troubleshoot and repair the unit. before doing any repairs. ISSUE POSSIBLE CAUSE SOLUTION...

  • Page 100: Drive System Mechanical Or Electrical Error

    Troubleshooting Comet Executive Gas WARNING WARNING Troubleshooting Only trained personnel with experience Read the REPAIR chapter and make in gas, electrical or mechanical repair sure that the power is disconnected should troubleshoot and repair the unit. before doing any repairs. ISSUE POSSIBLE CAUSE SOLUTION...

  • Page 101: Ironing Quality

    Comet Executive Gas Troubleshooting WARNING WARNING Troubleshooting Only trained personnel with experience Read the REPAIR chapter and make in gas, electrical or mechanical repair sure that the power is disconnected should troubleshoot and repair the unit. before doing any repairs. 6.3 Ironing Quality ISSUE POSSIBLE CAUSE...

  • Page 102: Flatwork Scorched Or Discolored

    Troubleshooting Comet Executive Gas WARNING WARNING Troubleshooting Only trained personnel with experience Read the REPAIR chapter and make in gas, electrical or mechanical repair sure that the power is disconnected should troubleshoot and repair the unit. before doing any repairs. ISSUE POSSIBLE CAUSE SOLUTION...

  • Page 103: Poor Flatwork Finish

    Comet Executive Gas Troubleshooting WARNING WARNING Troubleshooting Only trained personnel with experience Read the REPAIR chapter and make in gas, electrical or mechanical repair sure that the power is disconnected should troubleshoot and repair the unit. before doing any repairs. ISSUE POSSIBLE CAUSE SOLUTION...

  • Page 104: Heating System

    Troubleshooting Comet Executive Gas WARNING WARNING Troubleshooting Only trained personnel with experience Read the REPAIR chapter and make in gas, electrical or mechanical repair sure that the power is disconnected should troubleshoot and repair the unit. before doing any repairs. 6.4 Heating System PILOT IGNITION ISSUE...

  • Page 105: Burner Ignition

    Comet Executive Gas Troubleshooting WARNING WARNING Troubleshooting Only trained personnel with experience Read the REPAIR chapter and make in gas, electrical or mechanical repair sure that the power is disconnected should troubleshoot and repair the unit. before doing any repairs. BURNER IGNITION ISSUE POSSIBLE CAUSE...

  • Page 106: Burner Operation

    Troubleshooting Comet Executive Gas WARNING WARNING Troubleshooting Only trained personnel with experience Read the REPAIR chapter and make in gas, electrical or mechanical repair sure that the power is disconnected should troubleshoot and repair the unit. before doing any repairs. BURNER OPERATION ISSUE POSSIBLE CAUSE...

  • Page 107: Temperature Sensor Not Working Correctly

    Comet Executive Gas Troubleshooting WARNING WARNING Troubleshooting Only trained personnel with experience Read the REPAIR chapter and make in gas, electrical or mechanical repair sure that the power is disconnected should troubleshoot and repair the unit. before doing any repairs. BURNER OPERATION ISSUE POSSIBLE CAUSE...

  • Page 108: Exhaust System

    Troubleshooting Comet Executive Gas WARNING WARNING Troubleshooting Only trained personnel with experience Read the REPAIR chapter and make in gas, electrical or mechanical repair sure that the power is disconnected should troubleshoot and repair the unit. before doing any repairs. 6.5 Exhaust System ISSUE POSSIBLE CAUSE...

  • Page 109: Chapter 7 Repair

    Comet Executive Gas Repair Chapter 7 REPAIR Although designed for long service life, some individual consumable parts of the Comet Executive™ Gas eventually wear during normal use and must be cleaned, adjusted, or replaced. This chapter includes the following sections: Safety Considerations Ironing Section Parts Availability...

  • Page 110: Safety Considerations

    Repair Comet Executive Gas • Only work on the unit when it has been 7.1 Safety Considerations completely cooled down. For more Shut-Down on information, refer to Before attempting any repair work, review page 3-11. these safety steps and precautions to protect yourself and the unit.

  • Page 111: Parts Availability

    Comet Executive Gas Repair 7.2 Parts Availability WARNING Know the proper lockout/ Replacement and repair parts can be ordered tagout procedures for through your local authorized CHICAGO ® equipment during repair. distributor. Questions about the operation, Follow the rules of your work maintenance, troubleshooting, or repair of the unit site.

  • Page 112: Feed Section

    Repair Comet Executive Gas 7.3 Feed Section Flatwork is directed into the unit through the feed section, which consists of the following components (Figure 7-1): • Feed Table (A) • Feed Ribbon Drive Roll (B) • Feed Ribbons (C) • Guide Tapes (D) Various of these components require periodic adjustment, replacement, or occasional repair.

  • Page 113: Feed Ribbon Tension Adjustment

    Comet Executive Gas Repair Feed Ribbon Tension Adjustment 8. Run the unit briefly and make sure the rib- bons track straight and do not rub on the Adjust the tension of the feed ribbons when ribbon guides under the feed table. they sag or track to one side of the ironing section.

  • Page 114: Feed Ribbon Replacement

    Repair Comet Executive Gas Feed Ribbon Replacement 5. While holding each adjustment bolt in place, loosen its locknut (Figure 7-2, B). Feed ribbons stretch and flatwork moves unevenly and improperly into the ironing section. 6. Turn each bolt the same number of turns When tension on these ribbons can no longer be counterclockwise until the ribbons are adjusted, the entire set must be replaced.
  • Page 115 Comet Executive Gas Repair Replacing Broken or Missing Ribbons WARNING Ribbons that break should be replaced Never start the unit while immediately. To avoid excessive stress on only installing the feed ribbons. one new, slightly shorter ribbon, the entire set of It is dangerous ribbons should be replaced.

  • Page 116: Feed Ribbon Drive Roll Friction Material Replacement

    Repair Comet Executive Gas Feed Ribbon Drive Roll Friction 4. Locate the feed ribbons drive roll tension adjustment bolts (Figure 7-2, A). There is Material Replacement one on each side of the machine. The friction material on the feed ribbon drive 5.
  • Page 117 Comet Executive Gas Repair 10. Place a tarp, plastic drop cloth, heavy pa- WARNING per, or another temporary protective cover- Make sure there is adequate ing over the ironing cylinder, compression ventilation and wear roll, return ribbons, and receiving shelf. protective clothing before 11.

  • Page 118: Guide Tape Replacement

    Repair Comet Executive Gas 20. Continue working down the length of the Guide Tape Replacement roll applying the friction material quickly The guide tapes (Figure 7-6) keep flatwork after the cement is spread. from sticking to and wrapping around the 21.
  • Page 119 Comet Executive Gas Repair CAUTION Loosen just the bottom locknut of compression roll adjustment, this will ensure you tighten to the same pressure when finished. 4. Release tension from the compression roll by loosening the bottom adjustment lock- nuts of the tension spring in each endframe all the way (Figure 7-7).
  • Page 120 Repair Comet Executive Gas CAUTION The trailing edge of each guide tape must be on top or the tape edge can be caught on the feed ribbons, causing it to break. 8. Align and overlap the ends of the guide tape 5 to 6”...

  • Page 121: Feed Table Alignment And Positioning

    Comet Executive Gas Repair Feed Table Alignment and 2. Open both endframe doors. Positioning 3. Locate the feed ribbons drive roll tension adjustment bolts (Figure 7-2, A). There is The feed table (Figure 7-1, A) is an important one on each side of the machine. component in the feed section and must be properly aligned and positioned.
  • Page 122 Repair Comet Executive Gas 11. Position the table 1/4” (6 mm) from the 80” Machines ironing cylinder. Tighten the bolts to se- cure the table in that position. Checking Alignment and Positioning Improper handling of the unit during shipping 12. Repeat Steps 10 and 11 at the other end can cause too much tension on the feed table, of the unit.
  • Page 123 Comet Executive Gas Repair 9. If the feed table is: Required Tools Bar stock: a) Not properly positioned, perform the 1/4” Adjusting Alignment and Position- 3/8” ing procedure next. Perform only when the unit is OFF b) Properly positioned: with power disconnected and COOL. •...

  • Page 124: Compression Roll

    Repair Comet Executive Gas 3. Repeat Steps 1 and 2 at the other end of 7.4 Compression Roll the unit. The compression roll (Figure 7-14) improves 4. Make sure the spacing at each end of the flatwork finish. Some of compression roll unit is 1/4”...

  • Page 125: Compression Roll Pressure Check

    Comet Executive Gas Repair Compression Roll Pressure Check switch. 4. Press the green START button. Turn the When flatwork does not feed smoothly into the ironing section, the pressure of the compression SPEED knob to the slowest speed. roll may need to be adjusted. 5.

  • Page 126: Compression Roll Pressure Adjustment

    Repair Comet Executive Gas Compression Roll Pressure Adjustment Required Tools Wrenches: 9/16” (2) Perform only when the unit is OFF with power disconnected and COOL. 1. Turn power OFF at the main disconnect switch. 2. Open both endframe doors. 3. Locate the adjustable springs attached to their bracket slots each endframe (Figure Figure 7-15: A compression roll tensioning spring is 7-15, A).

  • Page 127: Compression Roll Cover Replacement

    Comet Executive Gas Repair Compression Roll Cover Required Tools Replacement Clean cloth Gloves The cover on the compression roll must Measuring tape be replaced when the cover material is worn Pen/pencil/marker smooth or if flatwork does not move easily into Protective covering the ironing section.
  • Page 128 Repair Comet Executive Gas 7. Make sure the compression roll can be WARNING turned by hand with some ease; wedges Make sure there is adequate may be useful to lift the roll. ventilation and wear 8. Place a tarp, plastic drop cloth, heavy protective clothing before paper, or another temporary protective working with any solvent.
  • Page 129 Comet Executive Gas Repair 13. Remove the protective covering and clean up the work area as necessary. 14. Prepare the new cover material for instal- lation: a) Place the cover material on a work table and roll out a short section. The end should be to your right.
  • Page 130 Repair Comet Executive Gas 17. When the entire roll is covered, trim the 19. Close and secure both endframe doors. right end so that the cover material is even with the edges of the roll (Figure 7-21). WARNING Never operate the unit unless NOTE: all safety covers are in place The new padding will be...

  • Page 131: Ironing Section

    Comet Executive Gas Repair Drive Chain Tension Adjustment 7.5 Ironing Section The drive chain in the right endframe powers The following procedures should be used the feed ribbon and return ribbon drive rolls as to keep the ironing cylinder and other ironing well as the ironing cylinder.

  • Page 132: Ironing Cylinder Reconditioning

    Repair Comet Executive Gas Ironing Cylinder Reconditioning CAUTION The following procedure gives instructions Tighten chain so the machine for removing dirt, rust, alkali deposits, and other runs smoothly. Too much similar contaminants from the fine polished tension will cause a jerking ironing cylinder surface.
  • Page 133 Comet Executive Gas Repair 7. Remove the ribbon connecting pins. Required Tools Remove the ribbons from the idler rolls Allen wrench: 5/32” on top and let the ribbons hang from the Belt sander guide assembly onto the protective floor Clean cloth covering.
  • Page 134 Repair Comet Executive Gas 10. Do not use any other tools as these will another portion of the cylinder. Do not permanently damage the cylinder. Work use the JOG REVERSE button more than across the entire length of the cylinder. necessary.

  • Page 135: Ironing Cylinder Hardened Ring Replacement

    Comet Executive Gas Repair Ironing Cylinder Hardened Ring Perform only when the unit is OFF Replacement with power disconnected and COOL. The left end of the ironing cylinder trunnion is equipped with a case-hardened wear ring (Figure CAUTION 7-24, A). This ring is designed to prolong the life Use extreme care when of the ironing cylinder by protecting the trunnion.
  • Page 136 Repair Comet Executive Gas 4. Remove the cam follower bearings (Figure CAUTION 7-24, B) by unscrewing the nuts located Do not heat the hardened on the inside of the left endframe (Figure ring to make it easier 7-25). Carefully examine their condition and determine if replacement is appropri- to install.

  • Page 137: Burner System

    Comet Executive Gas Repair Burner Removal/Replacement 7.6 Burner System When the ironing cylinder does not heat up Individual components of the burner system properly, this may be caused by a lint buildup. The may wear during normal use and may need entire gas burner must be removed to completely occasional repair, inspection, or adjustment.
  • Page 138 Repair Comet Executive Gas 10. Then, loosen the union (Figure 7-27, B) Perform only when the unit is OFF between the gas valve and the burner. with power disconnected and COOL. NOTE: Three maintenance Remove Burner people are required to remove the burner assembly.
  • Page 139 Comet Executive Gas Repair 13. Support the burner assembly while remov- Replace Burner ing the bolts that hold the burner support After all maintenance/repair is completed, bracket in position (Figure 7-26, C). replacing the burner is generally a reversal of the removal process with the following additional 14.

  • Page 140: Burner Tip Maintenance

    Repair Comet Executive Gas 12. Close and secure both endframe doors. Burner Tip Maintenance An accumulation of lint and other debris can WARNING clog burner tips. Cleaning may be necessary to Never operate the unit unless obtain a proper flame and efficient use of gas. all safety covers are in place This procedure is always performed with the and all safety equipment is...

  • Page 141: Temperature Sensor Contact Shoe Replacement

    Comet Executive Gas Repair Temperature Sensor Contact Shoe 1. Turn power OFF at the main disconnect switch. Replacement 2. Locate the appropriate contact shoe as- A contact shoe will eventually wear out sembly (Figure 7-29). The temperature because it is constructed of softer material than control sensor is located toward the center the ironing cylinder that it rides against.

  • Page 142: Temperature Control Or High Temperature Limit Control Replacement

    Repair Comet Executive Gas 8. Carefully insert the capillary tube into the Temperature Control or High new contact shoe. Temperature Limit Control Replacement • Make sure it is fully seated (Figure 7-30, C). If the temperature or high temperature control fails, replacement is a straightforward procedure.
  • Page 143 Comet Executive Gas Repair 4. Note where each of the two wires are 10. Use the hardware from Step 8 to secure connected for the control being replaced the new control in position. (Figure 7-31, A/B) and disconnect. CAUTION 5. Locate the appropriate contact shoe as- Do not bend capillary tubing sembly (Figure 7-29).

  • Page 144: Return Section

    Repair Comet Executive Gas 7.7 Return Section Flatwork is directed around the ironing cylinder by the return section (Figure 7-32), which consists of the following components: • Return ribbons (A) • Return ribbon guide assembly (B) • Return ribbon drive roll (C) •...

  • Page 145: Return Ribbon Tension Spring Replacement

    Comet Executive Gas Repair Return Ribbon Tension Spring Replacement Tension on the return ribbons is held by the weight of the return ribbon guide assembly. There is no adjustment. There is a spring (Figure 7-33, A) attached to the return guide assembly bearing in each endframe which prevents the assembly from bouncing too much.

  • Page 146: Return Ribbon Replacement

    Repair Comet Executive Gas Return Ribbon Replacement NOTE: HI-LYFE™ extended Return ribbons stretch and flatwork moves wear ribbons are available. These unevenly and improperly through the ironing ribbons provide superior quality section. When tension on these ribbons can no flatwork finish. Specify HI-LYFE longer be adjusted, the entire set must be replaced.
  • Page 147 Comet Executive Gas Repair 9. Repeat Steps 6 to 8 to replace additional 2. Turn power OFF at the main disconnect worn ribbons. Stagger the positions of the switch. lacing clips to give the flatwork a smooth 3. Remove the protective backplate at the flow.

  • Page 148: Return Ribbon Drive Roll Friction Material Replacement

    Repair Comet Executive Gas 10. Pull the bottom end of the ribbon under Return Ribbon Drive Roll Friction the return ribbon guide assembly. Bring it Material Replacement up to meet the other end and connect the If the friction material on the return ribbon ends of the ribbon with a new pin.
  • Page 149 Comet Executive Gas Repair 6. Pull the return ribbons around their tracks WARNING until all the lacing clips are accessible and The chain and power must aligned at the front of the unit. Remove both remain disconnected the connecting pins and position the return ribbon ends away from any contact with during this procedure.
  • Page 150 Repair Comet Executive Gas 17. Remove the masking tape and then re- NOTE: Spiral-wind the friction install the end screws (Figure 7-36). material at a 45° angle. To ensure 18. Remove the temporary protective covering this, the material edges must be and clean up the area.
  • Page 151 Comet Executive Gas 3031-005h NOTE: When ordering parts, please provide the serial number and a complete description of the machine, including any non- standard features. Electrical part numbers can be found in the SCHEMATICS section (when available). Comet Executive Gas Picture Parts List Content General Components...

  • Page 152: Front View

    3031-005h Comet Executive Gas Front View 20 21 22 23 14 15 11 12 = Voltage Dependent PL-2 PL-TOC INDEX...
  • Page 153 Comet Executive Gas 3031-005h Front View continued... Part Number Qty Description 3000-050 CHICAGO FLATWORK IRONER NAMEPLATE 2001-995 LOCK, LIFT & TURN NON LOCKING 3004-316 BILINGUAL METAL PLATE ”DISCONNECT...” 2001-016 END FRAME DOOR PANEL COMET EXEC 3002-055 PLATE HEATING TEMPERATURE LEXAN/ALUM 3004-322 BILINGUAL METAL PLATE ”DO NOT ATTEMPT...”...

  • Page 154: Rear View

    3031-005h Comet Executive Gas Rear View 14 15 PL-4 PL-TOC INDEX...
  • Page 155 Comet Executive Gas 3031-005h Rear View continued... Part Number Qty Description 2001-579 HINGED DOOR PANEL BREEZE, COMET 1402-627 HANDLE, YELLOW/RED 3004-316 BILINGUAL METAL PLATE “DISCONNECT... 2001-995 LOCK, LIFT & TURN NON LOCKING 3004-322 BILINGUAL METAL PLATE “DO NOT ATTEMPT... 1411-560-01 SWITCH STOP 30 MM W/1 N/C CONTACT BLOCK 3004-312 “STOP / PARADA”...

  • Page 156: Rolls And Ribbons

    3031-005h Comet Executive Gas Rolls and Ribbons NOTES: Part numbers on BOM are for 66” machine. Refer to chart for other machine lengths. = Quantities will vary depending on machine length PL-6 PL-TOC INDEX...
  • Page 157 Comet Executive Gas 3031-005h Rolls and Ribbons continued... Part Number Qty Description 3202-020 DRIVE ROLL 3-1/2” OD x66-1/2”L W/FLEXTRA 3209-010 DRIVE ROLL 3-1/2” x 66-1/2” x 16 GA 1003-204 POLYESTER RIBBON 3” x 24” W/PIN 1007-723 IMPREGNATED GUIDE TAPE 1/2” 36 YD ROLL 3207-010 COMP ROLL 3-1/2”...

  • Page 158: Left Endframe

    3031-005h Comet Executive Gas Left Endframe PL-8 PL-TOC INDEX...
  • Page 159 Comet Executive Gas 3031-005h Left Endframe continued... Part Number Qty Description 3603-150 SPRING 3/8” x 6” 2206-120-01 GAS VALVE 1/2” 24 V NATURAL GAS 5005-120 COUPLING 1/2” 5001-149 NIPPLE 1/2” x CLOSE 0402-788 BEARING 1” BORE PIVOT MOUNT COUNTERSUNK NEXT TO GF or 0402-789 BEARING 1”...

  • Page 160: Right Endframe

    3031-005h Comet Executive Gas Right Endframe ELECTRICAL ENCLOSURE ELECTRICAL COVER PL-10 PL-TOC INDEX...
  • Page 161 Comet Executive Gas 3031-005h Right Endframe continued... Part Number Qty Description 1211-005 IDLER ARM FOR CHAIN RIDER 1211-006 CHAIN RIDER SET #40 CHAIN 1201-230 SPROCKET #40 16T 1” BORE KWAY 2 STSCRW 0402-774 BEARING 1” BORE STAT MOUNT 3601-854 TENSION ROD 3/8” x 5” 1201-296 SPROCKET #40 24T 1”...

  • Page 162: Burner Assembly

    3031-005h Comet Executive Gas Burner Assembly 1 2 3 11 15 14 13 Part Number Qty Description 2203-226 BURNER TIP ATMOSPHERIC or 2203-226 BURNER TIP ATMOSPHERIC or 2203-226 BURNER TIP ATMOSPHERIC 2203-010 BURNER PIPE ASSY 1/2” x 61-1/2” COMET 66 or 2203-009 BURNER PIPE ASSY 1/2”...

  • Page 163: Contact Shoe Assembly

    Comet Executive Gas 3031-005h Contact Shoe Assembly = Quantity will vary depending on machine length Part Number Description 4203-367 SHOE CONTACT BRASS 3/8” x 3/8” x12-5/8” 4215-600 BRACKET BRASS U-SHAPE B05-205 10-24 x 1/4” SL RD HD M/S 3602-150 FLAT TWISTED SPRING CONTACT SHOE B10-300 1/4-20 LK HEX NUT W/NYLON 4215-700...
  • Page 165 Cadet Gas/Comet Executive Gas/Breeze 3210-384H NOTE: When ordering parts, please provide the serial number and a complete description of the Cadet Gas/Comet Executive Gas/ Breeze, including any non-standard features. Cadet/Comet Exec/Breeze Gas Schematic Parts List Content Motor Circuits Motor Circuit 115V 1 Phase ...................... SC-2 Motor Circuit 230V 1 Phase ......................

  • Page 166: Motor Circuit 115V 1 Phase

    Motor Circuit 115V 1 Phase SC-2 SC-TOC INDEX...
  • Page 167 Cadet Gas/Comet Executive Gas/Breeze 3210-384H Motor Circuit 115V 1 Phase (6220476) Reference Part No. Description BREC1 1710-250 BRIDGE RECTIFIER 1401-502 RELAY 24 VAC 2 POLE CR1B 1401-503 SOCKET FOR 2 POLE RELAY 1401-275 RELAY 1 POLE 24VAC/DC DISC1 1402-625 SWITCH, DISCONNECT 40 AMP DISC1F 1402-626 FUSEHOLDER...

  • Page 168: Motor Circuit 230V 1 Phase

    Motor Circuit 230V 1 Phase SC-4 SC-TOC INDEX...
  • Page 169 Cadet Gas/Comet Executive Gas/Breeze 3210-384H Motor Circuit 230V 1 Phase (6220477) Reference Part No. Description BREC1 1710-250 BRIDGE RECTIFIER 1401-502 RELAY 24 VAC 2 POLE CR1B 1401-503 SOCKET FOR 2 POLE RELAY 1401-275 RELAY 1 POLE 24VAC/DC DISC1 1402-625 SWITCH, DISCONNECT 40 AMP DISC1F 1402-626 FUSEHOLDER...

  • Page 170: Motor Circuit 230V 3 Phase

    Motor Circuit 230V 3 Phase SC-6 SC-TOC INDEX...
  • Page 171 Cadet Gas/Comet Executive Gas/Breeze 3210-384H Motor Circuit 230V 3 Phase (6220478) Reference Part No. Description BREC1 1710-250 BRIDGE RECTIFIER 1401-502 RELAY 24 VAC 2 POLE CR1B 1401-503 SOCKET FOR 2 POLE RELAY 1401-275 RELAY 1 POLE 24VAC/DC DISC1 1402-625 SWITCH, DISCONNECT 40 AMP DISC1F 1402-626 FUSEHOLDER...

  • Page 172: Motor Circuit 415V 3 Phase

    Motor Circuit 415V 3 Phase SC-8 SC-TOC INDEX...
  • Page 173 Cadet Gas/Comet Executive Gas/Breeze 3210-384H Motor Circuit 415V 3 Phase (6220937) Reference Part No. Description BREC1 1710-250 BRIDGE RECTIFIER 1401-502 RELAY 24 VAC 2 POLE CR1B 1401-503 SOCKET FOR 2 POLE RELAY 1401-275 RELAY 1 POLE 24VAC/DC DISC1 1402-625 SWITCH, DISCONNECT 40 AMP DISC1F 1402-626 FUSEHOLDER...

  • Page 174: Motor Circuit 460V 3 Phase

    Motor Circuit 460V 3 Phase SC-10 SC-TOC INDEX...
  • Page 175 Cadet Gas/Comet Executive Gas/Breeze 3210-384H Motor Circuit 460V 3 Phase (6220479) Reference Part No. Description BREC1 1710-250 BRIDGE RECTIFIER 1401-502 RELAY 24 VAC 2 POLE CR1B 1401-503 SOCKET FOR 2 POLE RELAY 1401-275 RELAY 1 POLE 24VAC/DC DISC1 1402-625 SWITCH, DISCONNECT 40 AMP DISC1F 1402-626 FUSEHOLDER...

  • Page 176: Main Electrical Panel 115V 1 Phase

    Main Electrical Panel 115V 1 Phase SC-12 SC-TOC INDEX...
  • Page 177 Cadet Gas/Comet Executive Gas/Breeze 3210-384H Main Electrical Panel 115V 1 Phase (6280184) Reference Part No. Description BREC1 1710-250 BRIDGE RECTIFIER 1401-502 RELAY 24 VAC 2 POLE CR1B 1401-503 SOCKET FOR 2 POLE RELAY 1401-275 RELAY 1 POLE 24VAC/DC DISC1 1402-625 SWITCH, DISCONNECT 40 AMP DISC1F 1402-626...

  • Page 178: Main Electrical Panel 230V 1 Phase

    Main Electrical Panel 230V 1 Phase SC-14 SC-TOC INDEX...
  • Page 179 Cadet Gas/Comet Executive Gas/Breeze 3210-384H Main Electrical Panel 230V 1 Phase (62801851) Reference Part No. Description BREC1 1710-250 BRIDGE RECTIFIER 1401-502 RELAY 24 VAC 2 POLE CR1B 1401-503 SOCKET FOR 2 POLE RELAY 1401-275 RELAY 1 POLE 24VAC/DC DISC1 1402-625 SWITCH, DISCONNECT 40 AMP DISC1F 1402-626...

  • Page 180: Main Electrical Panel 230V 3 Phase

    Main Electrical Panel 230V 3 Phase SC-16 SC-TOC INDEX...
  • Page 181 Cadet Gas/Comet Executive Gas/Breeze 3210-384H Main Electrical Panel 230V 3 Phase (62801853) Reference Part No. Description BREC1 1710-250 BRIDGE RECTIFIER 1401-502 RELAY 24 VAC 2 POLE CR1B 1401-503 SOCKET FOR 2 POLE RELAY 1401-275 RELAY 1 POLE 24VAC/DC DISC1 1402-625 SWITCH, DISCONNECT 40 AMP DISC1F 1402-626...

  • Page 182: Main Electrical Panel 460V 3 Phase

    Main Electrical Panel 460V 3 Phase SC-18 SC-TOC INDEX...
  • Page 183 Cadet Gas/Comet Executive Gas/Breeze 3210-384H Main Electrical Panel 460V 3 Phase (62801854) Reference Part No. Description BREC1 1710-250 BRIDGE RECTIFIER 1401-502 RELAY 24 VAC 2 POLE CR1B 1401-503 SOCKET FOR 2 POLE RELAY 1401-275 RELAY 1 POLE 24VAC/DC DISC1 1402-625 SWITCH, DISCONNECT 40 AMP DISC1F 1402-626...
  • Page 185 INDEX...
  • Page 187 INDEX...
  • Page 189 INDEX...
  • Page 191 Comet Exec-56-G TECHNICAL SPECIFICATIONS 07/08/09 Comet Exec-66-G 6500-038E App:GW Production Variable Speed Drive Output Feet per Minute (m/min) APPENDIX: Technical Specifications i n i Heating Model 56 Model 66 Maximum Gas Input per Hour , BTU* 76000 90000 Average Gas Input per Hour , BT 55-65% of max.
  • Page 193 07/08/09 Comet Exec-80-G TECHNICAL SPECIFICATIONS Production Variable Speed Drive Output Feet per Minute (m/min) i n i Heating Model 80 Maximum Gas Input per Hour , BTU* 105000 Average Gas Input per Hour , BTU** 55-65% of max. Operating Temperature Range , F ( C ) 200-400 (95-200) Gas Supply Connection , inch (DN)
  • Page 195 MANUFACTURER’S BULLETINS ON THE CD The following manufacturer’s bulletins are included in the interactive version of this manual, provided on the CD that shipped with the machine. If viewing the interactive version, click on any of the items listed below to go directly to that information. If an interactive version is not available, contact the Factory Parts Department to order one.
  • Page 197 304500 1a INDEX MB-TOC...
  • Page 198 INDEX MB-TOC...
  • Page 199 INDEX MB-TOC...
  • Page 200 INDEX MB-TOC...
  • Page 201 69-0463-1.fm Page 1 Wednesday, December 19, 2007 1:22 PM S8600, S8610, S8660, S8670 3045067 Intermittent Pilot Module INSTALLATION INSTRUCTIONS APPLICATION These ignition modules provide ignition sequence, flame ambient temperature rating is -40° F (-40° C). Maximum monitoring, and safety shutoff for intermittent pilot central ambient rating is 175°...
  • Page 202 69-0463-1.fm Page 2 Wednesday, December 19, 2007 1:22 PM S8600, S8610, S8660, S8670 INTERMITTENT PILOT MODULE INSTALLATION Frequency Cycling These controls are designed for use on space heating appliances that typically cycle 3 to 4 times an hour during When Installing This Ignition System… the heating season and not at all during the cooling season.
  • Page 203 69-0463-1.fm Page 3 Wednesday, December 19, 2007 1:22 PM S8600, S8610, S8660, S8670 INTERMITTENT PILOT MODULE Wire the System 2. Exposure to water, dirt, chemicals, and heat can damage the module or the gas control and shut down the control system. A NEMA 4 enclosure can CAUTION reduce exposure to environmental contaminants.
  • Page 204 69-0463-1.fm Page 4 Wednesday, December 19, 2007 1:22 PM S8600, S8610, S8660, S8670 INTERMITTENT PILOT MODULE NOTE: The cable must not run in continuous contact 7. Adjust thermostat heat anticipator to match system with a metal surface or spark voltage will be current draw.
  • Page 205 69-0463-1.fm Page 5 Wednesday, December 19, 2007 1:22 PM S8600, S8610, S8660, S8670 INTERMITTENT PILOT MODULE S8600F,H,M; S8610F,H; S8660D; S8670D VENT DAMPER TH-W PLUG (OPT) MV MV/PV PV (BURNER) GND 24V (OPT) SPARK MAIN VALVE PILOT OPERATOR OPERATOR THERMOSTAT DUAL VALVE COMBINATION GAS CONTROL LIMIT CONTROLLER...
  • Page 206 69-0463-1.fm Page 6 Wednesday, December 19, 2007 1:22 PM S8600, S8610, S8660, S8670 INTERMITTENT PILOT MODULE S8600A,B; S8610A,B VENT DAMPER TH-W PLUG (OPT) (BURNER) GND 24V (OPT) MV MV/PV PV SENSE SPARK MAIN PILOT VALVE THERMOSTAT OPERATOR OPERATOR DUAL VALVE COMBINATION POWER SUPPLY.
  • Page 207 69-0463-1.fm Page 7 Wednesday, December 19, 2007 1:22 PM S8600, S8610, S8660, S8670 INTERMITTENT PILOT MODULE S8600F,H,M; S8610F,H; S8660D; S8670D VENT DAMPER TH-W PLUG (OPT) (BURNER) GND 24V (OPT) MV MV/PV PV SPARK THERMOSTAT MAIN VALVE PROVING PILOT SWITCH OPERATOR OPERATOR DUAL VALVE COMBINATION POWER SUPPLY.
  • Page 208 69-0463-1.fm Page 8 Wednesday, December 19, 2007 1:22 PM S8600, S8610, S8660, S8670 INTERMITTENT PILOT MODULE S8600F,H,M; S8610F,H; S8660D; S8670D VENT DAMPER TH-W PLUG (OPT) (BURNER) GND 24V (OPT) MV MV/PV PV SPARK D80B MAIN VALVE PILOT END SWITCH N.O. N.C. OPERATOR OPERATOR DUAL VALVE COMBINATION...
  • Page 209 69-0463-1.fm Page 9 Wednesday, December 19, 2007 1:22 PM S8600, S8610, S8660, S8670 INTERMITTENT PILOT MODULE S8600F,H,M; S8610F,H; S8660D; S8670D VENT TH-W DAMPER (BURNER) GND 24V (OPT) MV MV/PV PV PLUG (OPT) SPARK MAIN PILOT VALVE OPERATOR OPERATOR DUAL VALVE COMBINATION GAS CONTROL Q345, Q346, Q348, Q362,...
  • Page 210 69-0463-1.fm Page 10 Wednesday, December 19, 2007 1:22 PM S8600, S8610, S8660, S8670 INTERMITTENT PILOT MODULE S8600F,H,M; S8610F,H; S8660D; S8670D VENT TH-W DAMPER (BURNER) GND 24V (OPT) MV MV/PV PV PLUG (OPT) SPARK PILOT MAIN VALVE OPERATOR OPERATOR D80D DUAL VALVE COMBINATION GAS CONTROL Q345, Q346, D80 MOTOR...
  • Page 211 69-0463-1.fm Page 11 Wednesday, December 19, 2007 1:22 PM S8600, S8610, S8660, S8670 INTERMITTENT PILOT MODULE S8610U VENT TH-W DAMPER (OPT) PLUG MV/P (BURNER) SPARK SENSE MAIN L8100 PILOT VALVE OPERATOR OPERATOR CONTROLLER DUAL VALVE COMBINATION GAS CONTROL POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
  • Page 212 69-0463-1.fm Page 12 Wednesday, December 19, 2007 1:22 PM S8600, S8610, S8660, S8670 INTERMITTENT PILOT MODULE solution. Bubbles indicate gas leaks. Tighten joints and Figures 11 and 12 summarize the normal operating screws or replace component to stop gas leak. Recheck sequences of the modules.
  • Page 213 69-0463-1.fm Page 13 Wednesday, December 19, 2007 1:22 PM S8600, S8610, S8660, S8670 INTERMITTENT PILOT MODULE Main Burner Operation control system must be reset by setting the thermostat below room temperature for one minute or by turning off When the pilot flame is established, a flame rectification power to the module for one minute.
  • Page 214 69-0463-1.fm Page 14 Wednesday, December 19, 2007 1:22 PM S8600, S8610, S8660, S8670 INTERMITTENT PILOT MODULE 3. Connections to the ignition module and to the 3. If so, ensure adequate flame current as follows. igniter or igniter-sensor are clean and tight. a.
  • Page 215 69-0463-1.fm Page 15 Wednesday, December 19, 2007 1:22 PM S8600, S8610, S8660, S8670 INTERMITTENT PILOT MODULE 4. Recheck ignition sequence as follows. e. If main burner doesn’t light or if main burner a. Reconnect main valve wire. lights but system locks out, check module, b.
  • Page 216 69-0463-1.fm Page 16 Wednesday, December 19, 2007 1:22 PM S8600, S8610, S8660, S8670 INTERMITTENT PILOT MODULE START NOTE: Before troubleshooting, familiarize yourself with the startup and checkout procedure. TURN GAS SUPPLY OFF. TURN THERMOSTAT TO CALL FOR HEAT Check line voltage power, low voltage transformer, limit controller, thermostat and wiring. Also, check air proving switch on combustion air blower system and that vent damper (if used) is open and end switch is POWER TO MODULE made.
  • Page 217 69-0463-1.fm Page 17 Wednesday, December 19, 2007 1:22 PM S8600, S8610, S8660, S8670 INTERMITTENT PILOT MODULE (HOT) L2 LIMIT ON-OFF CONTROLLER SWITCH THERMOSTAT OR CONTROLLER TRANSFORMER (GND) SPARK DRIVE CIRCUIT FLAME (BUR- SPARK DETECTOR NER) CIRCUIT IGNITER SENSOR HYBRID CIRCUIT BURNER GROUND RELAY...
  • Page 218 69-0463-1.fm Page 18 Wednesday, December 19, 2007 1:22 PM S8600, S8610, S8660, S8670 INTERMITTENT PILOT MODULE (HOT) L2 LIMIT ON-OFF CONTROLLER SWITCH THERMOSTAT OR CONTROLLER TRANSFORMER (GND) SPARK DRIVE SENSOR CIRCUIT SENSE FLAME DETECTOR (BUR- SPARK CIRCUIT NER) IGNITER HYBRID CIRCUIT BURNER RELAY TIMING...
  • Page 219 69-0463-1.fm Page 19 Wednesday, December 19, 2007 1:22 PM S8600, S8610, S8660, S8670 INTERMITTENT PILOT MODULE ANSI STANDARDS EXHIBIT A RECOMMENDED PROCEDURE FOR SAFETY INSPECTION OF AN EXISTING APPLIANCE INSTALLATION AS A PRELIMINARY STEP TO APPLYING AN AUTOMATIC INTERMITTENT PILOT SYSTEM The following procedure is intended as a guide to aid in exhausts, so they will operate at maximum speed.
  • Page 220 69-0463-1.fm Page 20 Wednesday, December 19, 2007 1:22 PM S8600, S8610, S8660, S8670 INTERMITTENT PILOT MODULE EXHIBIT B PROCEDURE FOR INSTALLING AUTOMATIC INTERMITTENT PILOT SYSTEMS Prior to beginning this procedure, a preliminary 6. Check the heat anticipator in the comfort examination of the appliance and the automatic thermostat to determine if it is properly adjusted to intermittent pilot system should be made to determine...
  • Page 221 3045069 INDEX MB-TOC...
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  • Page 233 3045240 Material Safety Data Sheet CLENACORP 1200 industrial Road #3, San Carlos, CA 94070 Product: CLENA POWDERED WAX JANUARY 2011 SECTION 1 Product: CLENA POWDERED WAX Manufacturers Name/Address: Emergency Phone Numbers Clenacorp (650) 591-1733 1200 Industrial Road #3 Information Phone Number San Carlos, CA 94070 (650) 591-1733 SECTION II –...
  • Page 234 Carcinogenicity: X__ No This product’s ingredients are not found in the lists below. ____NTP? ___IARC Monographs? ___Osha regulated? Signs and Symptoms of Exposure: Molten material can cause thermal burns Medical Conditions Generally Aggravated by Exposure: None Emergency First Aid Procedures: Eye Contact: Flush with water for 15 minutes, contact physician Skin: Wash hands with soap and water after each use and at the end of work shift .
  • Page 235 3010-025 GENERAL TORQUE SPECIFICATION CHART These torque values are approximate and should not be accepted as accurate limits. Indeterminate factors (surface finish, type of plating and lubrication) in specific applications preclude the publication of accurate values for universal use. DO NOT USE the below values for gasketed joints or joints of soft materials. DO NOT USE your torque wrench for values greater than its maximum scale reading.
  • Page 237 OPERATING STANDARD 1 BURNER IRONER Model: Serial #: Approved by: Date: APPENDIX: Operating Standard form FLATWORK / FABRIC CONTENT TEMPERATURE SETTING OPERATING SPEED Tip - Flatwork Warm Rinse A warm rinse allows more water to be extracted from the material. This means the ironer needs to remove less moisture from the flatwork to produce a dry, high quality finish.
  • Page 239 Comet Executive Gas Index INDEX Clean Behind Service Panels Clearing a Jam Safely 3-10 Alignment and Positioning, Feed Table 7-13 Compression Roll 7-16 Annual PM (2000 Hours) 4-17 Check Pressure and Padding Condition 4-15 Check and Clean Pilot Assembly 4-18 Cover Replacement 7-19 Pressure...
  • Page 240 Index Comet Executive Gas Electrical Gas Burner Removal/Replacement 7-29 Check Mechanical and Electrical Connections Gas Connection 4-16 Checkout 2-20 Checkout Exhaust Blower Motor Rotation Check- Gas Supply 2-20 2-17 Ignition Test 2-23 Connection Inspect Gas Piping 2-22 Main Power 2-10 Overview 2-12 Sail Switch and Exhaust Blower Motor...
  • Page 241 Comet Executive Gas Index Paper Removal 2-19 Roll Bearing Pivots 4-10 Reconditioning 7-24 Operating Controls Temperature, Unit Settings 3-14 Left Endframe Controls Waxing Right Endframe Controls Ironing Quality Troubleshooting Operating Techniques 3-12 Ironing Section 7-23 Conditioning Flatwork Before Ironing 3-12 Drive Chain Tension Adjustment 7-23 Maximum Productivity...
  • Page 242 Index Comet Executive Gas Tension Spring Replacement 7-37 Stand-By Stage 5-11 Ribbon Setscrews, Check 4-13 Condition and Tension Check 4-12 Shut-Down 3-11 Replacement Temporary Shut-Down 3-11 Feed Site and Utility Requirements Return 7-38 Spring Sets Oil Tension 4-14 Tension Adjustment Replace Return Ribbon Tension 7-37 Feed...
  • Page 243 Comet Executive Gas Index Compression Roll Pressure 3-14 Ironing Cylinder Temperature 3-14 Ironing Speed 3-14 Ventilating the Work Area Warranty Wash Load, Conditioning Flatwork Before Ironing 3-12 Watch and Listen for Anything Abnormal Waxing Wax Ironing Cylinder Weekly PM (50 Hours) Check Ironing Cylinder Ribbon Condition and Tension...

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