TMG TMG-GAC40 - User Manual

Questions and Answers

E
eguzmanAug 4, 2025
How to start a TMG TMG-GAC40 when the engine won't start?
- P
  phawkinsAug 4, 2025
  If your TMG Air Compressor engine won't start, there are several potential causes: * Low Oil Shutdown: Fill the engine with the adequate amount of oil. * Cold Engine: Choke the engine to start. * No Fuel: Add gas to the engine and ensure the fuel shutoff valve is open. * Engine not turned ON: Place the ON/OFF switch in the ON position. * Spark plug wire not attached: Attach the spark plug wire to the spark plug.
N
Norma RamseyAug 9, 2025
What to do if the safety/relief valve keeps popping on my TMG Air Compressor?
- E
  eddiepetersAug 9, 2025
  If the safety/relief valve on your TMG Air Compressor keeps popping, the suggested solution is to replace it.
C
Cynthia ThompsonAug 14, 2025
What to do if air delivery drops off on TMG TMG-GAC40?
- M
  michael44Aug 14, 2025
  If the air delivery drops off on your TMG Air Compressor, check the tubing connections. Tighten any loose joints or replace them if required.
T
Tamara DelgadoAug 19, 2025
What to do if my TMG TMG-GAC40 does not come up to speed?
- D
  Danielle HowardSep 12, 2025
  If your TMG Air Compressor does not come up to speed, drain the existing lubricant and refill it with the proper lubricant.
P
Pamela BrownAug 25, 2025
What to do if TMG Air Compressor will not unload cycle?
- G
  gwalkerAug 25, 2025
  If your TMG Air Compressor will not unload cycle, check the tubing connections. Tighten joints or replace them as required.
M
Mark LeeAug 29, 2025
What to do if TMG TMG-GAC40 will not unload when stopped?
- D
  Dr. Tara PorterAug 29, 2025
  If your TMG Air Compressor will not unload when stopped, check the tubing connections. Tighten joints or replace them as required.

Summary

About Your Air Compressor

Intended Use

Details the primary applications and limitations of the air compressor for tools and tire pressurization.

Operational Safety and Guidance

Covers site selection, personal safety gear, adult operation, and rental guidance.

Specifications

Component Identification

Safety Information

Hazard Signal Word Definitions

Explains the meaning of DANGER, WARNING, CAUTION, and NOTICE safety symbols.

Safety Labeling

Safety Decal Locations

Identifies the placement and purpose of safety labels on the compressor unit.

Initial Set-Up

Inspect & Unpack

Instructions for checking the compressor upon delivery for damage or missing parts.

Select Suitable Location

Guidelines for choosing a safe and appropriate operating environment.

Location Requirements

Details on airflow, exhaust, temperature, and hazard avoidance for optimal compressor placement.

Mounting and Electrical Connection

Mounting Procedures

Steps for securing the compressor and installing discharge piping.

Electrical Connection and Safety

Procedure for connecting the battery for electric start, including safety warnings.

Operation

Follow Safety Rules for Operation

Emphasizes operator safety, equipment guards, and personal protective measures.

Preparing for Operation

Pre-operation checks including maintenance, fluid levels, and surrounding area.

Engine and Pump Oil Checks

Guidance on checking and adding oil to the engine and pump.

Fueling and Starting Procedures

Gasoline Tank Filling and Safety

Instructions for safely refueling the engine and warnings about fuel hazards.

Fuel System Inspection

Procedures for checking the fuel system for leaks and potential issues.

Start-Up and Break-in

Steps for starting the engine and the initial break-in period for the pump.

Air Hose and Tool Usage

Engine Start and Operational Warnings

Covers starting the engine, overheating risks, and pressure warnings for tools.

Attaching Air Tools

Instructions for connecting air hoses and tools, including safety tips.

Spraying and Shutdown Procedures

High Pressure Hazards

Warnings about high-pressure air streams, projectile risks, and injection injuries.

Spraying and Moisture Management

Guidance on using the compressor for spraying and managing moisture in air.

Shutdown Procedures

Step-by-step guide to safely shutting down the compressor and releasing pressure.

Storage

Between-Use Storage

Guidelines for storing the compressor between operational periods.

Storage Location and Preparation

Advice on selecting an appropriate storage location and long-term preparation.

Maintenance and Repair

Maintenance Schedule Summary

Overview of recommended maintenance tasks and their frequencies.

Safety Valve and Air Filter Inspection

Procedures for inspecting the safety valve and air filter.

Air Leak Inspection

Procedure for inspecting the compressor system for air leaks.

Component Maintenance

Engine Maintenance

Details on performing routine maintenance on the engine.

Pump Oil and Tank Maintenance

Covers changing pump oil and draining/inspecting the receiver tank.

Drive Belt Maintenance

Instructions for checking and adjusting drive belt tension and alignment.

Final Maintenance Tasks

Spark Arrestor Care

Guidance on inspecting and cleaning the spark arrestor.

Compressor Cleaning

How to clean the compressor exterior safely and effectively.

Troubleshooting

Parts Explosion Diagram

Parts List

Pump Explosion Diagram

Pump Parts List

Pneumatic Schematic

TMG TMG-GAC40 Specifications

General

Brand	TMG
Model	TMG-GAC40
Category	Air Compressor
Language	English