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TMG TMG-HW28 - User Manual

TMG TMG-HW28
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Hot Water Pressure Washer
2700PSI Hot Water Pressure Washer
MODEL: TMG-HW28
PRODUCT MANUAL
7HP KOHLER
®
Powered
Please read the product manual completely before assembly
Check against the parts list to make sure all parts are received
Wear proper safety goggles or other protective gears while in assembly
Missing parts or questions on assembly?
Please call: 1-877-761-2819 or email: cs@tmgindustrial.com
Do not return the product to dealer, they are not equipped to handle your requests
WWW.TMGINDUSTRIAL.COM Toll Free:1-877-761-2819
V2021.09.23
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Do you have a question about the TMG TMG-HW28 and is the answer not in the manual?

Summary

TMG INDUSTRIAL PRODUCT MANUAL

2700 PSI Hot Water Pressure Washer

Product overview for the 2700PSI Hot Water Pressure Washer with 7HP Kohler Powered engine.

MODEL: TMG-HW28

Identifier for the specific pressure washer model.

IMPORTANT SAFETY INFORMATION

Essential Safety Guidelines

Essential safety guidelines including reading manual, wearing protective gear, using ear protection, and ensuring ventilation.

IMPORTANT SAFETY INFORMATION

Operational Hazard Warnings

Warnings covering fire, electrical shock, spray injection, hot surfaces, and asphyxiation hazards.

IMPORTANT SAFETY INFORMATION

Handling and Storage Precautions

Precautions for safe handling of the trigger gun, use of ladders, and protection from freezing.

SPECIFICATIONS

Commercial Hot Water Gas - Oil Fired

Product type and fuel specification for the pressure washer.

INTRODUCTION

Product Overview and Care

Introduction to product quality, engineering, and the importance of proper care for performance.

GLOSSARY OF TERMS

COMPONENT IDENTIFICATION

Main Components Diagram

Visual identification of major machine parts like engine and control center.

Direct Driven Pump Assembly

Labeled diagram of the direct driven pump assembly components.

ELECTRICAL CONTROL CENTER

Controls and Indicator Lights

Explanation of the switches and indicator lights on the control panel.

HOT WATER TANK INTERIOR

Tank Components Diagram

Diagram showing internal components of the hot water tank.

PRESSURE WAND ASSEMBLY

Wand Components Diagram

Diagram of the spray gun, hose, and various nozzles.

OPERATING INSTRUCTIONS

Pre-Start Checks and Fluid Levels

Essential checks including oil levels, gasoline levels, and general inspections before operation.

Fuel and Oil Specifications

Details on recommended fuels and oils for the burner and gasoline engine.

OPERATING INSTRUCTIONS

Hose and Nozzle Attachment

Steps for correctly connecting the high-pressure hose and attaching the appropriate wand nozzle.

Water Source Setup

Guidance on connecting the water supply, ensuring adequate flow and pressure.

Starting the Gas Engine

Procedure for safely starting the gas engine, noting exhaust direction.

OPERATING INSTRUCTIONS

Burner Operation and Settings

Instructions for igniting, operating, and controlling the burner via thermostat.

Pressure Adjustment Procedure

Procedure for safely adjusting the pressure regulator to achieve desired system pressure.

OPERATING INSTRUCTIONS

Cleaning Operation and Shutdown

Steps to start the cleaning process, operate the unit, and perform shutdown.

CHEMICAL APPLICATION

Downstream Chemical Injection

Instructions for preparing and using the downstream chemical injection system.

CHEMICAL APPLICATION

Applying and Rinsing Chemicals

Steps for applying chemicals, adjusting flow, and proper rinsing techniques.

WINTER PUMP; COIL PROTECTION

Winterization Procedure

Step-by-step guide to protect the pressure washing unit from freezing temperatures.

GENERAL MAINTENANCE

Burner and Coil Maintenance

Details on professional servicing for the burner and descaling the heater coil.

GENERAL MAINTENANCE AND CARE

Water Condition and Winterizing

Advice on water quality and proper winterizing for optimal performance and longevity.

MAINTENANCE CHECKLIST

Pump Maintenance Schedule

Daily and weekly checks for the pump, including oil changes and filter inspections.

Gasoline Engine Maintenance

Daily and weekly maintenance tasks for the gasoline engine, including oil and air cleaner checks.

MAINTENANCE CHECKLIST

Engine Service Schedule

Schedule for engine oil changes, spark plug, and air cleaner replacement.

Ignition System Maintenance

Guidance on electrode setting and cleaning the flame detector for the ignition system.

QUICK DIAGNOSTICS AND SOLUTIONS GUIDE

Pressure Troubleshooting

Resolving issues related to low or excessive pressure in the system.

QUICK DIAGNOSTICS AND SOLUTIONS GUIDE

Burner Troubleshooting

Diagnosing burner ignition, fuel, and component-related problems.

QUICK DIAGNOSTICS AND SOLUTIONS GUIDE

Ignition Light Codes and Smoke Analysis

Interpreting ignition indicator light patterns and analyzing causes of smoke.

SERVICE MANUAL

Power System Diagnostics - Engine Not Starting

Troubleshooting steps for diagnosing why the gas engine is not starting.

FLUID SYSTEM DIAGNOSTICS - Flow and Pressure

No Flow or Low Pressure Issues

Diagnosing and fixing problems related to no flow or low pressure.

FLUID SYSTEM DIAGNOSTICS - Flow and Pressure

Vibration and Nozzle Performance

Troubleshooting line vibrations and issues affecting nozzle performance.

FLUID SYSTEM DIAGNOSTICS - Unloader

Unloader Functionality Problems

Diagnosing and fixing issues with the unloader, including cycling and bypass problems.

FLUID SYSTEM DIAGNOSTICS - Unloader

Unloader Pressure and Leak Issues

Adjusting the unloader and fixing leaks related to its function.

FLUID SYSTEM DIAGNOSTICS - Leaking

Diagnosing and Repairing Leaks

Identifying and fixing leaks from various parts of the fluid system.

FLUID SYSTEM DIAGNOSTICS - Trigger Gun;Spray Nozzle

Trigger Gun and Chemical Delivery

Troubleshooting trigger gun operation and chemical injection system problems.

BOILER SYSTEM DIAGNOSTICS - Oil Burner Will Not Fire

Burner Ignition Failure Troubleshooting

Diagnosing and resolving issues when the oil burner fails to ignite.

BOILER SYSTEM DIAGNOSTICS - Oil Burner Will Not Fire

Fuel Flow and Electrode Issues

Troubleshooting fuel delivery problems and electrode settings for the burner.

BOILER SYSTEM DIAGNOSTICS

Water Output Temperature Too Low

Troubleshooting low water output temperature issues related to thermostat and inlet water.

Boiler Controls and Solenoid Valve

Troubleshooting boiler control systems, including solenoid valve and electrical connections.

Pressure Switch Operation

Diagnosing functionality issues with the pressure switch.

BOILER SYSTEM DIAGNOSTICS

Vacuum, Thermostat, and Limit Switches

Troubleshooting other boiler control components like vacuum, thermostat, and limit switches.

Low Fuel Shut-Off System

Troubleshooting low fuel levels and issues with the level sensor and reed switch.

WIRING DIAGRAMS

Controller Wiring Schematic

Electrical connection diagram for the controller, igniter, and other system components.

PARTS DIAGRAMS

Main Assembly Exploded View

Overview of part placement on the main assembly with numbered components.

PARTS DIAGRAMS

Component Breakdown Diagrams

Detailed exploded views of various components and their respective part numbers.

PARTS LIST

Main Frame and Components List

List of parts for the main frame and associated components with descriptions and quantities.

PARTS LIST

Remaining Component List

Continuation of the parts list for the remaining components and accessories.

PUMP DIAGRAMS

Pump Assembly Exploded View

Detailed exploded view of the pump's internal components with part labels.

PUMP PARTS LIST

Pump Component Details

Comprehensive list of pump parts with detailed descriptions and quantities.

ELECTRIC CONTROL CENTER DIAGRAMS

Control Center Layout Diagram

Diagram illustrating the layout of the electric control center components.

ELECTRIC CONTROL CENTER PARTS LIST

Control Center Parts List

List of parts for the electric control center, including buttons, lights, and CPU.

Summary

TMG INDUSTRIAL PRODUCT MANUAL

2700 PSI Hot Water Pressure Washer

Product overview for the 2700PSI Hot Water Pressure Washer with 7HP Kohler Powered engine.

MODEL: TMG-HW28

Identifier for the specific pressure washer model.

IMPORTANT SAFETY INFORMATION

Essential Safety Guidelines

Essential safety guidelines including reading manual, wearing protective gear, using ear protection, and ensuring ventilation.

IMPORTANT SAFETY INFORMATION

Operational Hazard Warnings

Warnings covering fire, electrical shock, spray injection, hot surfaces, and asphyxiation hazards.

IMPORTANT SAFETY INFORMATION

Handling and Storage Precautions

Precautions for safe handling of the trigger gun, use of ladders, and protection from freezing.

SPECIFICATIONS

Commercial Hot Water Gas - Oil Fired

Product type and fuel specification for the pressure washer.

INTRODUCTION

Product Overview and Care

Introduction to product quality, engineering, and the importance of proper care for performance.

GLOSSARY OF TERMS

COMPONENT IDENTIFICATION

Main Components Diagram

Visual identification of major machine parts like engine and control center.

Direct Driven Pump Assembly

Labeled diagram of the direct driven pump assembly components.

ELECTRICAL CONTROL CENTER

Controls and Indicator Lights

Explanation of the switches and indicator lights on the control panel.

HOT WATER TANK INTERIOR

Tank Components Diagram

Diagram showing internal components of the hot water tank.

PRESSURE WAND ASSEMBLY

Wand Components Diagram

Diagram of the spray gun, hose, and various nozzles.

OPERATING INSTRUCTIONS

Pre-Start Checks and Fluid Levels

Essential checks including oil levels, gasoline levels, and general inspections before operation.

Fuel and Oil Specifications

Details on recommended fuels and oils for the burner and gasoline engine.

OPERATING INSTRUCTIONS

Hose and Nozzle Attachment

Steps for correctly connecting the high-pressure hose and attaching the appropriate wand nozzle.

Water Source Setup

Guidance on connecting the water supply, ensuring adequate flow and pressure.

Starting the Gas Engine

Procedure for safely starting the gas engine, noting exhaust direction.

OPERATING INSTRUCTIONS

Burner Operation and Settings

Instructions for igniting, operating, and controlling the burner via thermostat.

Pressure Adjustment Procedure

Procedure for safely adjusting the pressure regulator to achieve desired system pressure.

OPERATING INSTRUCTIONS

Cleaning Operation and Shutdown

Steps to start the cleaning process, operate the unit, and perform shutdown.

CHEMICAL APPLICATION

Downstream Chemical Injection

Instructions for preparing and using the downstream chemical injection system.

CHEMICAL APPLICATION

Applying and Rinsing Chemicals

Steps for applying chemicals, adjusting flow, and proper rinsing techniques.

WINTER PUMP; COIL PROTECTION

Winterization Procedure

Step-by-step guide to protect the pressure washing unit from freezing temperatures.

GENERAL MAINTENANCE

Burner and Coil Maintenance

Details on professional servicing for the burner and descaling the heater coil.

GENERAL MAINTENANCE AND CARE

Water Condition and Winterizing

Advice on water quality and proper winterizing for optimal performance and longevity.

MAINTENANCE CHECKLIST

Pump Maintenance Schedule

Daily and weekly checks for the pump, including oil changes and filter inspections.

Gasoline Engine Maintenance

Daily and weekly maintenance tasks for the gasoline engine, including oil and air cleaner checks.

MAINTENANCE CHECKLIST

Engine Service Schedule

Schedule for engine oil changes, spark plug, and air cleaner replacement.

Ignition System Maintenance

Guidance on electrode setting and cleaning the flame detector for the ignition system.

QUICK DIAGNOSTICS AND SOLUTIONS GUIDE

Pressure Troubleshooting

Resolving issues related to low or excessive pressure in the system.

QUICK DIAGNOSTICS AND SOLUTIONS GUIDE

Burner Troubleshooting

Diagnosing burner ignition, fuel, and component-related problems.

QUICK DIAGNOSTICS AND SOLUTIONS GUIDE

Ignition Light Codes and Smoke Analysis

Interpreting ignition indicator light patterns and analyzing causes of smoke.

SERVICE MANUAL

Power System Diagnostics - Engine Not Starting

Troubleshooting steps for diagnosing why the gas engine is not starting.

FLUID SYSTEM DIAGNOSTICS - Flow and Pressure

No Flow or Low Pressure Issues

Diagnosing and fixing problems related to no flow or low pressure.

FLUID SYSTEM DIAGNOSTICS - Flow and Pressure

Vibration and Nozzle Performance

Troubleshooting line vibrations and issues affecting nozzle performance.

FLUID SYSTEM DIAGNOSTICS - Unloader

Unloader Functionality Problems

Diagnosing and fixing issues with the unloader, including cycling and bypass problems.

FLUID SYSTEM DIAGNOSTICS - Unloader

Unloader Pressure and Leak Issues

Adjusting the unloader and fixing leaks related to its function.

FLUID SYSTEM DIAGNOSTICS - Leaking

Diagnosing and Repairing Leaks

Identifying and fixing leaks from various parts of the fluid system.

FLUID SYSTEM DIAGNOSTICS - Trigger Gun;Spray Nozzle

Trigger Gun and Chemical Delivery

Troubleshooting trigger gun operation and chemical injection system problems.

BOILER SYSTEM DIAGNOSTICS - Oil Burner Will Not Fire

Burner Ignition Failure Troubleshooting

Diagnosing and resolving issues when the oil burner fails to ignite.

BOILER SYSTEM DIAGNOSTICS - Oil Burner Will Not Fire

Fuel Flow and Electrode Issues

Troubleshooting fuel delivery problems and electrode settings for the burner.

BOILER SYSTEM DIAGNOSTICS

Water Output Temperature Too Low

Troubleshooting low water output temperature issues related to thermostat and inlet water.

Boiler Controls and Solenoid Valve

Troubleshooting boiler control systems, including solenoid valve and electrical connections.

Pressure Switch Operation

Diagnosing functionality issues with the pressure switch.

BOILER SYSTEM DIAGNOSTICS

Vacuum, Thermostat, and Limit Switches

Troubleshooting other boiler control components like vacuum, thermostat, and limit switches.

Low Fuel Shut-Off System

Troubleshooting low fuel levels and issues with the level sensor and reed switch.

WIRING DIAGRAMS

Controller Wiring Schematic

Electrical connection diagram for the controller, igniter, and other system components.

PARTS DIAGRAMS

Main Assembly Exploded View

Overview of part placement on the main assembly with numbered components.

PARTS DIAGRAMS

Component Breakdown Diagrams

Detailed exploded views of various components and their respective part numbers.

PARTS LIST

Main Frame and Components List

List of parts for the main frame and associated components with descriptions and quantities.

PARTS LIST

Remaining Component List

Continuation of the parts list for the remaining components and accessories.

PUMP DIAGRAMS

Pump Assembly Exploded View

Detailed exploded view of the pump's internal components with part labels.

PUMP PARTS LIST

Pump Component Details

Comprehensive list of pump parts with detailed descriptions and quantities.

ELECTRIC CONTROL CENTER DIAGRAMS

Control Center Layout Diagram

Diagram illustrating the layout of the electric control center components.

ELECTRIC CONTROL CENTER PARTS LIST

Control Center Parts List

List of parts for the electric control center, including buttons, lights, and CPU.

TMG TMG-HW28 Specifications

General IconGeneral
Rated Pressure2800 PSI
Power SourceGasoline
PumpAxial Cam
EngineOHV
Hose Length25 feet

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