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Clemco ZERO BNP 55 User Manual

Clemco ZERO BNP 55
38 pages
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NOTICE TO PURCHASERS AND USERS OF OUR
PRODUCTS AND THIS INFORMATIONAL MATERIAL
Clemco proudly provides products for the abrasive blast industry
and is confident that industry professionals will use their knowledge
and expertise for the safe and efficient use of these products.
The products described in this material and the information relating
to these products are intended for knowledgeable, experienced
users. It is the responsibility of the employer to ensure that proper
training of operators has been performed and a safe work
environment is provided.
No representation is intended or made as to the suitability of the
products described here for any purpose or application, or to the
efficiency, production rate, or useful life of these products. All
estimates regarding production rates or finishes are the
responsibility of the user and must be derived solely from the user’s
experience and expertise, not from information contained in this
material.
It is possible that the products described in this material may be
combined with other products by the user for purposes determined
solely by the user. No representations are intended or made as to
the suitability of, engineering balance of, or compliance with
regulations or standard practice of any such combination of
products or components the user may employ.
This equipment is only one component of a cabinet blasting
operation. Other products, such as air compressors, air filters and
receivers, abrasives, equipment for ventilating or dehumidifying, or
other equipment, even if offered by Clemco, may have been
manufactured or supplied by others. The information Clemco
provides is intended to support the products Clemco manufactures.
Users must contact each manufacturer and supplier of products
used in the blast operation for warnings, information, training, and
instruction relating to the proper and safe use of their equipment.
BNP
®
55
Suction Blast Cabinet
O. M. 23350
DATE OF ISSUE: 08/01
REVISION: G, 02/19
© 2019 CLEMCO INDUSTRIES CORP.
One Cable Car Dr.
Washington, MO 63090
Phone (636) 239-4300
Fax
(800) 726-7559
Email: info@clemcoindustries.com
www.clemcoindustries.com
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Clemco ZERO BNP 55 Specifications

General IconGeneral
BrandClemco
ModelZERO BNP 55
CategoryShot Blasting Machines
LanguageEnglish

Summary

1.0 Introduction

1.1 Scope of Manual

Defines the coverage of the manual for setup, operation, maintenance, and troubleshooting of BNP-55 series cabinets.

1.2 Safety Alerts

Explains Clemco's safety signal words (Danger, Warning, Notice, Caution) and their meanings.

1.4 General Description

Provides an overview of the BNP blast cabinets and their main components.

1.5 Theory of Operation

Explains how the blast gun, reclaimer, and dust collector work together during the blasting process.

1.6 Reverse-Pulse Dust Collector Options

Describes the CDC-1 and RPC-2 dust collector options available for the cabinets.

1.7 Nozzle Options

Lists available nozzle sizes and materials for the blast gun, including optional carbide nozzles.

1.8 Reclaimer Options

Details options for reclaimers, including rubber liners and externally adjustable vortex for 600 cfm models.

1.9 Blasting Media

Discusses suitable and unsuitable blasting media, safety precautions, and media selection guidelines.

1.10 Compressed-Air Requirements

Specifies compressor requirements based on air jet size and provides a table for CFM consumption.

1.11 Electrical Requirements

Outlines electrical specifications for 300 cfm and 600 cfm cabinets and dust collectors.

2.0 Installation

2.1 General Installation Notes

Provides guidelines for positioning components and ensuring proper access for installation.

2.2 Connect Conveying (flex) Hose

Details how to connect the flex hoses between cabinet, reclaimer, and dust collector for media flow.

2.3 Connect Compressed-Air-Supply Lines

Explains the connection of compressed air lines, including warnings about pressure and safety.

2.4 Ground the Cabinet and Dust Collector

Outlines the importance of grounding for static electricity prevention and how to achieve it.

2.5 Connect Electrical Service

Covers standard single-phase and optional three-phase wiring requirements for the cabinet and dust collector.

2.6 Set Air-Inlet Damper

Details how to set the air-inlet damper for optimal cabinet performance based on reclaimer size.

2.7 Final Assembly

Covers final assembly steps, including positioning the foot pedal and installing cover lenses.

3.0 Field Installed Accessories

3.1 Aluminum Oxide (aggressive media) Kit

Describes the optional kit for using aggressive media, including special curtains and nozzles.

3.2 Cabinet Curtains Installation

Provides instructions for installing protective rubber curtains on cabinet walls and doors.

3.3 Manometer

Explains the function of a manometer for measuring static pressure and its importance for reclaimer efficiency.

3.4 Armrest

Details the assembly and installation of the armrest for operator comfort.

3.5 Track and Low Profile Table

Describes the components and installation of a sliding table assembly for loading and positioning parts.

4.0 Operation

4.1 Media Loading

Explains how to properly load media into the reclaimer hopper, including capacity and maximum fill levels.

4.2 Media Unloading

Provides steps for safely emptying the cabinet and reclaimer of used media.

4.3 Loading and Unloading Parts

Advises on safely loading and unloading parts, especially heavy or unstable items.

4.4 Blasting Operation

Guides the user through the process of starting and conducting a blast operation safely.

4.5 Blasting Technique

Offers advice on effective blasting techniques, similar to spray painting, and nozzle distance.

4.6 Stop Blasting

Details the procedure for stopping the blasting operation safely, including part removal.

4.7 Shutdown

Outlines the correct procedure for shutting down the blast cabinet and its associated systems.

5.0 Adjustments

5.1 Blasting Pressure (pilot regulator)

Explains how to adjust the pilot regulator to set the optimal blasting pressure for different applications.

5.2 Air Jet Adjustment

Describes the process for adjusting the air jet, including threading and lock nut settings.

5.3 Media-Air Mixture (media flow)

Guides the user on adjusting the media flow for a smooth and efficient blast stream.

5.4 Reclaimer Static Pressure

Discusses setting reclaimer static pressure using the dust-collector damper for optimal media separation.

5.5 Optional, Externally Adjustable Vortex Cylinder

Explains the function and adjustment of the vortex cylinder for fine-tuning media separation.

5.6 Cabinet Air-Inlet Damper

Describes how to adjust the cabinet air-inlet damper to control static pressure within the enclosure.

5.7 Door Interlocks

Details the operation and adjustment of door interlocks to prevent accidental blasting.

5.8 Optional Manometer

Provides instructions on using a manometer to measure and monitor static pressure readings.

6.0 Preventive Maintenance

6.1 Daily Inspection and Maintenance Before Blasting with the Air OFF

Lists daily checks for media level, debris screen, air filter, and dust container before operation.

6.2 Daily Inspection During Blasting Have Someone do the Following

Outlines daily checks to perform during blasting, such as for dust leaks and exhaust quality.

6.3 Weekly Inspection and Maintenance Before Blasting with Air OFF

Details weekly checks for view-window lenses, gloves, gun assembly, and media hose condition.

6.4 Weekly Inspection During Blasting Have Someone do the Following

Describes weekly checks for flex hoses during blasting operations.

6.5 Monthly

Covers monthly inspection of reclaimer wear plate and liners for wear.

6.6 Dust Collector

Refers to a separate manual for maintenance procedures for the dust collector.

7.0 Service Maintenance

7.1 Gloves

Discusses the provision of static-dissipating gloves and when to replace them due to wear.

7.2 BNP® Gun Assembly

Provides instructions for replacing the nozzle, O-ring, and air jet cover on the BNP gun.

7.3 View-Window Cover Lens

Explains how to install and use cover lenses to protect the view window from frosting and wear.

7.4 View-Window Replacement

Details the procedure for replacing the laminated safety glass in the view window.

7.5 Window-Gasket Replacement

Guides on inspecting and replacing gaskets around the view window to prevent media leakage.

7.6 Window-Frame Removal

Describes how to remove the window frame to access the window and its components.

7.7 LED Light Assembly

Provides instructions for servicing the LED light assembly, including cover removal and lens replacement.

7.8 Replacing Reclaimer Wear Plate

Details the process for replacing the wear plate in the reclaimer, with specific instructions for different types.

7.9 Replacing or Field Installing Optional Rubber Reclaimer Liners

Guides on replacing or installing optional rubber liners in 600 cfm reclaimers.

7.10 Replacing or Removing Reclaimer Inlet Baffle

Explains how to remove or replace the reclaimer inlet baffle, especially for fine media.

7.11 Reverse-Pulse Dust Collector

Refers to a separate manual for maintenance procedures for the reverse-pulse dust collector.

8.0 Troubleshooting

8.1 Poor visibility

Addresses causes of poor visibility, such as dirty filters and improper damper settings.

8.2 Abnormally high media consumption

Lists reasons for high media consumption, including leaks, fine media, and high pressure.

8.3 Reduction in blast cleaning rate

Explains factors causing reduced cleaning rate, such as low media, poor mixture, or low air pressure.

8.4 Plugged nozzle

Identifies causes of nozzle blockage, including screen issues and rich media mixture.

8.5 Media bridging

Discusses media bridging, often caused by damp media or oily workpieces.

8.6 Media surge

Addresses heavy media flow and how to adjust the media/air mixture.

8.7 Blockage in media hose

Identifies causes of media hose blockage, typically a rich mixture or wet media.

8.8 Poor suction in media hose

Lists potential causes for poor suction, including inadequate air supply or worn parts.

8.9 Air only (no media) from nozzle

Explains why only air might be dispensed, such as low media level or reversed hoses.

8.10 Blowback through media hose

Covers causes of blowback, including nozzle blockage, incorrect air jet, or high pressure.

8.11 Blasting does not begin when the foot pedal is pressed

Troubleshoots issues preventing blasting, like interlocks, blocked lines, or pedal malfunctions.

8.12 Blasting continues after the foot pedal is released

Addresses the problem of blasting continuing after the pedal is released, possibly due to valve issues.

8.13 Media buildup in cabinet hopper; media does not convey to reclaimer

Explains issues with media buildup or failure to convey, such as motor direction or clogged filters.

8.14 Static shocks

Details causes and solutions for static shocks, including grounding and glove condition.

8.15 Dust leaking from cabinet

Identifies causes of dust leaks from the cabinet, mainly damaged door gaskets.

8.16 Dust leaking from dust collector

Explains dust leaks from the collector, usually due to filter issues or improper seasoning.

9.0 Accessories and Replacement Parts

9.1 Optional Accessories

Lists various optional accessories like turntables, kits, curtains, and tools.

9.2 Cabinet Replacement Parts

Provides a list of replacement parts for the cabinet itself, including gaskets, doors, and controls.

9.3 BNP® Gun and Hose Assembly

Details components of the BNP gun and hose, including various nozzles and fittings.

9.4 Inlet-Air Regulator Assembly

Lists parts for the inlet-air regulator assembly, including filter, regulator, and fittings.

9.5 View-Window Assembly

Provides parts for the view-window assembly, such as glass, gaskets, and frame.

9.6 Metering Valve, BNP

Lists the components of the BNP metering valve assembly.

9.7 Foot Pedal Assembly

Details the parts included in the foot pedal assembly, with and without tubing.

9.8 LED Light Assembly

Lists components for the LED light assembly, including the cover, module, and diffuser lens.

9.9 Cabinet Controls and Plumbing

Shows a diagram and parts list for the cabinet's pneumatic controls and plumbing layout.

9.10 Replacement Reclaimer Assemblies

Lists replacement reclaimer assemblies available for different CFM models.

9.11 300 CFM Reclaimer Replacement Parts

Provides a parts list and diagram for 300 CFM reclaimer replacement components.

9.12 600 CFM Modular Reclaimer Replacement Parts

Lists replacement parts for 600 CFM modular reclaimers, including liners and baffles.