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DUSTLESS BLASTING DB800 - User Manual

DUSTLESS BLASTING DB800
24 pages
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DB800
USER MANUAL
®
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Summary

Safety and Precautions

WARNING

Crucial safety warnings for operating abrasive blast cleaning equipment, emphasizing PPE and air quality.

DANGER

Highlights the severe risk of lung damage (Silicosis) from silica dust inhalation and the necessity of approved respirators.

CAUTION

Advises on maintaining equipment in good condition, inspecting parts, and grounding to prevent electrical shock.

Warranty Information

Terms of Warranty

Outlines MMLJ, Inc.'s limited warranty for defects in materials or workmanship under normal use.

Limited Lifetime Warranty

Specifies the limited lifetime warranty for pressure vessels manufactured by MMLJ, Inc.

Third Party Warranties

Instructions for handling warranty claims for parts not covered by MMLJ, Inc.

Installation and Operation Overview

Model DB800 Figures

Provides a visual diagram of the DB800 model, identifying key components with numbered labels.

Getting Started

Connecting Blast Hose and Twin Line

Details connecting the blast hose and twin line to the machine, ensuring safety pins are used.

Filling Blast Pot with Abrasive

Explains how to fill the blast pot with water, abrasive, and rust inhibitor using a fill funnel.

Power Up Compressor

Guides on powering up the compressor and pressurizing the machine correctly before blasting.

Start Blasting

Instructions on making adjustments, wearing PPE, and activating the blast hose to begin the blasting process.

Shutting Down

Maintaining Your Blast Pot

Control Box Maintenance

Steps for servicing the control box valve when performance issues arise, including lubrication and gasket checks.

Pressure and Filter Regulators

Guidance on lubricating the pressure regulator and maintaining the filter regulator for optimal performance.

Consumption Chart

A chart detailing water, abrasive, and rust inhibitor quantities for different blast times and models.

Maintenance Procedures

Flushing Blast Pot Out

Instructions for regularly flushing the pot to prevent buildup and maintain system integrity.

Blasting Wear Parts

Identifies wear parts requiring regular inspection and potential replacement based on usage hours.

Pinch Hose Maintenance

Guide on rotating and inspecting the pinch hose, and procedures for attaching brass couplings.

Troubleshooting Guide

Media Buildup and Vibrator Valve

Addresses media buildup inside the pot and how to adjust the vibrator valve for optimal performance.

Abrasive Flow Issues

Diagnoses problems with abrasive not flowing correctly, suggesting checks for media quality and clogging.

Nozzle Blockage

Provides steps to clear a clogged blast nozzle by using the blowdown position and inspecting for debris.

Pinch Valve Malfunction

Offers troubleshooting steps for pinch valves not opening or closing, checking pressure, fittings, and air supply.

Operation and Adjustments

Containment, Masking, and Cleanup Procedures

Covers methods for containing byproducts, masking sensitive areas, and cleaning up the work area.

Blast Pattern Adjustments and Dry Blasting

Explains nozzle selection for blast patterns and preparation steps for switching to dry blasting.

Storing the Machine

General Storage

Procedures for storing the machine for extended periods, including emptying and flushing.

Winter Storage Precautions

Advises on precautions to prevent freezing damage, such as using antifreeze and heating.

Choosing Blast Pressure

Blast Pressure Basics

Discusses how material type, coating, and distance affect blast pressure for optimal results.

Adjusting Blast Pressure

Explains the method for easily adjusting blast pressure using a simple knob on the system.

Application Guidelines

Provides suggested blast pressures for common applications like Marine, Automotive, and Graffiti Removal.

Choosing Abrasive

Abrasive Basics

Defines abrasive, types, shapes, and sizes, including their impact on surface preparation.

Abrasive Properties and Supply

Density, Hardness, and Adjustment

Details abrasive density, hardness, and guidance on adjusting abrasive supply for optimal results.

Resources and Support

Training, Safety, and Parts

Links to websites for training, safety information, and replacement parts.

Customer Support Website

Directs users to the support website for tickets, safety data sheets, and warranty information.

DUSTLESS BLASTING DB800 Specifications

General IconGeneral
ModelDB800
CategoryIndustrial Equipment
Blast Pressure Range30-150 PSI
Working Pressure90-150 PSI
Hose Length50 ft