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DB500
User Manual
®
Warning: Do not use this equipment until you have read the manual
and understand the contents. *User safety is always a
top priority. However, the safety of an intended user
can only be protected if outlined precautions are read
and followed carefully. *International Distributors are
responsible for the proper translation of this manual.
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Table of Contents
Related Manuals for DUSTLESS BLASTING DB225
Summarization of Contents
Introduction to the DB500 User Manual
Notice Symbols Explained
Explains meaning of Note, Caution, Warning, Danger symbols.
Blast Pot Warranty Details
Details MMLJ, Inc. limited and lifetime warranty terms.
Safety Overview and Components
Provides overview of safety components and procedures.
Abrasives for Blasting Operations
Abrasive Selection and Characteristics
Guide to choosing abrasive media, considering shape, size, density, and hardness.
Media Comparison Charts
Compares various dry blasting abrasives by density, hardness, and performance.
Abrasive Fill Levels Guide
Details recommended fill amounts for water, abrasive, and rust inhibitor.
Preparing the DB500 for Blasting
Personal Protective Equipment (PPE) Requirements
Lists essential PPE for safe abrasive blasting operations.
Masking and Containment Procedures
Describes methods for protecting surfaces and containing blast media.
DB500 Blast Pot Start Up Procedures
Connect Hoses and Air Lines
Step-by-step guide for connecting hoses and air lines to the blast pot.
Fill Blast Pot with Media and Water
Instructions for safely filling the blast pot with media and water.
Compressor and Blast Pot Pressurization
Steps for starting the compressor and safely pressurizing the blast pot.
Active Blasting Operations
How to Begin Blasting
Instructions on how to initiate the abrasive blasting process.
In Process Adjustments for Efficient Blasting
Adjusting Abrasive Flow Rate
How to modify abrasive media flow during operation for optimal results.
Adjusting Operating Parameters
Modifying operating pressure and blast distance for efficient blasting.
Machine Storage and Transportation Guidelines
Storage Procedures in Cold Climates
Guidelines for storing the machine in cold climates and during freezing temperatures.
Transportation and Moving Safety
Safety guidelines for transporting and physically moving the blast pot.
DB500 Maintenance Procedures
Control Box Maintenance
Maintenance procedures for the control box, pressure regulator, and Parker valve.
Hose and Regulator Maintenance
Maintenance for blast hoses, pressure regulators, and filter regulators.
General Blast Pot Maintenance
Procedures for flushing the blast pot and inspecting wear parts.
Pinch Hose Maintenance and Replacement
Instructions for maintaining, rotating, and replacing the pinch hose.
Troubleshooting Common Issues
Addressing Common Operational Issues
Diagnosing and resolving media buildup, abrasive flow, and nozzle blockages.
Pinch Valve Troubleshooting
Steps to troubleshoot electric and pneumatic pinch valve operation.
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