Maxi Comet Executive Exec-56-G User manual

INSTRUCTION MANUAL
COMET EXECUTIVE™
Gas Heated
Flatwork Ironer

Instruction Manual #3011-102f
MAXI Companies
4317 E. Genessee Street, Dewitt, New York 13214 USA
Phone: [phone] Fax: [phone]
E-mail: [email protected]

Comet Executive Gas Table of Contents
i
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
Floor Plans
Technical Specications
Manufacturer’s Bulletins
Torque Specications
Operating Standard
INDEX
TOC
INDEX

Table of Contents Comet Executive Gas
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CHAPTER 1 INTRODUCTION
1.1 Warranty.................................................................................................. 1-2
1.2 Scope of the Manual ............................................................................... 1-2
1.3 Safety ...................................................................................................... 1-3
Safe Work Habits .................................................................................... 1-3
Safety Features....................................................................................... 1-4
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INDEX

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CHAPTER 2 INSTALLATION
2.1 Site and Utility Requirements.................................................................. 2-2
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........................................................ 2-15
2.3 Pre-Operational Checkout..................................................................... 2-15
Security of Hardware............................................................................. 2-16
Exhaust Blower Motor Rotation Checkout............................................. 2-17
Safety Device and Control Function Checkout...................................... 2-18
Ironing Cylinder Paper Removal ........................................................... 2-19
Gas Connection Checkout .................................................................... 2-20
Checkout Completion............................................................................ 2-25
Cleaning the Unit................................................................................... 2-25
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CHAPTER 3 OPERATING GUIDELINES
3.1 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
3.2 Operating Controls .................................................................................. 3-4
Right Endframe Controls......................................................................... 3-4
Left Endframe Controls ........................................................................... 3-5
3.3 Standard Operating Procedures.............................................................. 3-6
Start-Up................................................................................................... 3-6
Waxing .................................................................................................... 3-7
Flatwork Handling.................................................................................... 3-9
Clearing a Jam Safely ........................................................................... 3-10
Shut-Down..............................................................................................3-11
3.4 Operating Techniques ........................................................................... 3-12
Conditioning Flatwork Before Ironing .................................................... 3-12
Unit Settings.......................................................................................... 3-14
Processing Standards ........................................................................... 3-15
Maximum Productivity ........................................................................... 3-15
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CHAPTER 4 PREVENTIVE MAINTENANCE
PM Task Tables .................................................................................................. 4-1
Daily, Weekly Tasks................................................................................. 4-1
Monthly, Semi-Annual Tasks ................................................................... 4-2
4.1 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........................... 4-4
Check Guide Tapes ................................................................................. 4-4
Check Safety Equipment......................................................................... 4-5
Wax Ironing Cylinder ............................................................................... 4-5
4.2 Weekly PM (50 Hours) ............................................................................ 4-6
Clean Behind Service Panels.................................................................. 4-6
Check Ironing Cylinder............................................................................ 4-7
Check and Clean Inverter........................................................................ 4-7
Grease “Weekly” Bearings ...................................................................... 4-8
Oil Roll Bearing Pivots........................................................................... 4-10
Check and Clean Motors........................................................................4-11
Check and Clean Sail Switch and Exhaust Blower Wheel.....................4-11
Check Ribbon Condition and Tension ................................................... 4-12
4.3 Monthly PM (200 Hours) ....................................................................... 4-13
Check Setscrews................................................................................... 4-13
Grease Bearings ................................................................................... 4-14
Oil Drive Chain and Tension Springs..................................................... 4-14
Check Compression Roll Pressure and Padding Condition.................. 4-15
4.4 Semi-Annual PM (1000 Hours) ............................................................. 4-15
Check Gas Pressure ............................................................................. 4-16
Check Mechanical and Electrical Connections ..................................... 4-16
4.5 Annual PM (2000 Hours)....................................................................... 4-17
Check and Clean Pilot Assembly .......................................................... 4-18
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CHAPTER 5 OPERATING PRINCIPLES
Safety ................................................................................................................ 5-2
5.1 Electrical System..................................................................................... 5-2
Disconnect Switch and Fuses ................................................................. 5-3
Step-Down Transformer .......................................................................... 5-3
Electrical Panel........................................................................................ 5-4
5.2 Mechanical System ................................................................................. 5-5
Drive System........................................................................................... 5-5
Ribbon Sets............................................................................................. 5-6
5.3 Exhaust System ...................................................................................... 5-7
Exhaust Blower ....................................................................................... 5-7
Sail Switch............................................................................................... 5-7
5.4 Heating System....................................................................................... 5-7
Burner System......................................................................................... 5-9
Temperature Control.............................................................................. 5-10
Temperature Sensor Contact Shoes ..................................................... 5-10
5.5 Sequence of Operation ..........................................................................5-11
Stand-By Stage ......................................................................................5-11
JOG REVERSE Operation Stage...........................................................5-11
Mechanical Start-Up Stage ................................................................... 5-12
Burner Operation Stage ........................................................................ 5-12
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CHAPTER 5 TROUBLESHOOTING
Troubleshooting Symptoms ............................................................................... 6-2
6.1 Electrical.................................................................................................. 6-4
6.2 Mechanical System ................................................................................. 6-6
6.3 Ironing Quality ......................................................................................... 6-9
6.4 Heating System..................................................................................... 6-12
Pilot Ignition........................................................................................... 6-12
Burner Ignition....................................................................................... 6-13
Burner Operation................................................................................... 6-14
6.5 Exhaust System .................................................................................... 6-16
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CHAPTER 7 REPAIR
7.1 Safety Considerations ............................................................................. 7-2
7.2 Parts Availability ...................................................................................... 7-3
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...................................................................... 7-10
Feed Table Alignment and Positioning .................................................. 7-13
7.4 Compression Roll.................................................................................. 7-16
Compression Roll Pressure Check ....................................................... 7-17
Compression Roll Pressure Adjustment................................................ 7-18
Compression Roll Cover Replacement ................................................. 7-19
7.5 Ironing Section ...................................................................................... 7-23
Drive Chain Tension Adjustment ........................................................... 7-23
Ironing Cylinder Reconditioning ............................................................ 7-24
Ironing Cylinder Hardened Ring Replacement...................................... 7-27
7.6 Burner System....................................................................................... 7-29
Burner Removal/Replacement .............................................................. 7-29
Burner Tip Maintenance ........................................................................ 7-32
Temperature Sensor Contact Shoe Replacement................................. 7-33
Temperature Control or High Temperature Limit Control Replacement 7-34
7.7 Return Section....................................................................................... 7-36
Return Ribbon Tension Spring Replacement ........................................ 7-37
Return Ribbon Replacement................................................................. 7-38
Return Ribbon Drive Roll Friction Material Replacement...................... 7-40
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