Vacuum Cleaner Operation and Maintenance

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Questions and Answers

What resistance reading indicates proper grounding for the vacuum cleaner?

10 ohms or less (correct)

1 ohm or less

100 ohms or less

50 ohms or less

Which type of liner should be used in the detachable recovery tank?

Tiger-Vac brand conductive poly liner (correct)

Non-conductive liner

Any conductive liner

Generic brand conductive liner

What is the consequence of using a dirty cloth filter in the vacuum cleaner?

Reduced performance (correct)

Improved airflow

No noticeable effect

Increased suction power

For other conductive suction hoses, what is the acceptable resistance reading for proper grounding?

105 ohms or less Signup and view all the answers

What should you do if the cloth filter is still wet after washing?

Do not reinstall the cloth filter Signup and view all the answers

What happens if a vacuum cleaner does not ensure proper dissipation of static electricity?

Needs maintenance Signup and view all the answers

What is a recommended practice for maintaining the cloth filter?

Use the manual filter shaker regularly Signup and view all the answers

Why should recovered materials not be allowed to sit for extended periods in the tank?

It could create a fire hazard Signup and view all the answers

What is the purpose of grounding the vacuum cleaner?

To provide a path of least resistance for electric current Signup and view all the answers

Why is it important to test the electrical continuity of the vacuum cleaner before each use?

To discharge any static electricity produced while vacuuming Signup and view all the answers

What should you do if you suspect the outlet is not properly grounded?

Check with a qualified electrician Signup and view all the answers

What type of wheels should be used on the vacuum cleaner for safe operation?

Conductive wheels supplied by Tiger-Vac Signup and view all the answers

What is specifically warned against when using the vacuum cleaner?

Operating it without a properly grounded outlet Signup and view all the answers

What tool is required to perform an electrical continuity test on the vacuum cleaner?

Ohm-meter Signup and view all the answers

What is NOT a recommended practice for ensuring safety when using the vacuum cleaner?

Use replacement parts from any supplier Signup and view all the answers

What are conductive wheels designed to do on the vacuum cleaner?

Ensure spark-free operation and static electricity dissipation Signup and view all the answers

What should be avoided to prevent mechanically generated sparks while using the vacuum cleaner system?

Impacting the wand and tools with rusted parts Signup and view all the answers

What is the recommended operation method for the vacuum cleaner to ensure safety?

Allowing the unit to run for extended periods Signup and view all the answers

What should you do to ensure the vacuum cleaner system is safe to operate?

Ensuring the outlet is properly installed and grounded Signup and view all the answers

What precaution should be taken to prevent static charge accumulation on the vacuum cleaner?

Following manual recommendations during use Signup and view all the answers

Which materials should be used for replacement parts to maintain the vacuum cleaner's safety?

Original replacement parts from TIGER-VAC or authorized distributors Signup and view all the answers

What is a significant source of electrostatic charge generation to avoid while using the vacuum cleaner?

Continuous manual rubbing of insulating items Signup and view all the answers

What is a warning associated with proper grounding of the vacuum cleaner?

The vacuum cleaner must not operate without proper grounding Signup and view all the answers

What is a critical reason to avoid using the vacuum cleaner system on flammable liquids?

It can generate sparks that ignite flammable liquids Signup and view all the answers

Study Notes

Tiger-Vac CD 55L DT EX MFS Vacuum Cleaner

Continuous Duty Explosion Proof / Dust Ignition Proof
Industrial Vacuum Cleaner for Dry Recovery Only
For use in Potentially Explosive Atmospheres
Model CD 55L DT EX MFS
Ex d IIB T4 Gb
Ex t IIIC T135°C Db IP65
IECEx LCI 10.0040

Operation and Maintenance Manual

Includes table of contents
Inspection procedures
Applications for use
Safety precautions for dust, temperature, flammable liquids, and electrostatic charges
Pre-usage instructions
Grounding instructions
Testing for ground continuity
Operating instructions
Cleaning and maintenance
HEPA filter replacement
Motor maintenance
Vacuum relief valve
Factory amp setting
Troubleshooting guide

Important Safety Precautions

Clean vacuum surfaces regularly with damp cloth
Do not use in presence of dust clouds or layers with an ignition temperature below 200°C or 210°C respectively
Do not use for flammable liquids
Avoidance of mechanically generated sparks, especially when using metal components
Usage with electrostatic caution and avoid intense friction on insulated components

Applications in Potentially Explosive Atmospheres

ATEX Zone 1: likely to occur in normal operation, occasionally
ATEX Zone 2: not likely to occur in normal operation, but may persist for a short period
Recovery of combustible dusts: flyings, carbonaceous dusts (carbon black, charcoal, coal or coke dusts), flour, grain, wood, plastic, and chemicals
Prohibited use for hot embers or ignited dusts
Proper risk assessment of combustible dusts and metal dusts is crucial for use

Additional Details

Tiger-Vac International Inc. contact information provided
Warranty information included
Proper use, care, and maintenance of the vacuum cleaner is emphasized, especially in hazardous environments
Compliance with safety standards, including IECEx certification, is highlighted
Specific warnings are given for each use case. For instance, the use of this equipment requires a specific grounding
Safety measures are described in detail

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Description

Test your knowledge on the operation and maintenance of the Tiger-Vac CD 55L DT EX MFS Vacuum Cleaner. This quiz covers safety precautions, inspection procedures, and proper usage in hazardous environments. Ensure you understand the critical safety measures and maintenance guidelines for industrial vacuum cleaners designed for explosive atmospheres.