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Zero BNP 6012 Manual

Suction blast cabinets
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© 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
®
BNP
Suction Blast Cabinets
Models 6012 and 7212
DATE OF ISSUE: 05/94
REVISION:
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.
O. M. 27723
B, 04/19

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  • Page 1 ® Suction Blast Cabinets Models 6012 and 7212 O. M. 27723 DATE OF ISSUE: 05/94 REVISION: B, 04/19 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.

  • Page 2: Table Of Contents

    ® 6012 and 7212 SUCTION BLAST CABINETS Page 1 INTRODUCTION WARNING Scope of Manual Warning indicates a hazardous situation that, if not avoided, could result in death or serious 1.1.1 These instructions cover setup, operation, injury. maintenance, troubleshooting, optional accessories, and replacement parts for BNP-6012 and 7212 Suction Blast Cabinets.

  • Page 3: General Description

    View-Window Replacement ........7.4 BNP cabinet sizes. Window-Gasket Replacement ........7.5 Window-Frame Removal ..........7.6 BNP 6012 Approximate work chamber dimensions: Light Assembly ............7.7 58" wide x 58.5" deep x 53" high. Replacing Reclaimer Wear Plate ........ 7.8 BNP 7212 Approximate work chamber dimensions: Replacing or Installing Rubber Reclaimer Liners ..

  • Page 4: Theory Of Operation

    ® 6012 and 7212 SUCTION BLAST CABINETS Page 3 CDC-1 Dust Collector Dust Collector Damper External Adjustable Vortex (Optional on system with CDC-1 Dust Collector) Reclaimer Intake Stack w/Damper Debris Screen Flex Hose LED Light Assemblies On-Off Switches Pilot Regulator (blast pressure) Metering Valve Air Filter (Attachment for...

  • Page 5: Nozzle Options

    Most common reusable media specifically manufactured Optional HEPA afterfilters provide additional filtration for blasting can be used in ZERO cabinets. The listing of and must be used with a reverse-pulse cartridge media sizes shown in this section and in Figure 3 are collector when removing toxic coatings, heavy metals, or provided as a guideline only.
  • Page 6 ® 6012 and 7212 SUCTION BLAST CABINETS Page 5 standard 5/32" orifice air jet with 5/16" nozzle and average not recommended because they rapidly break down conditions, with variables such as blast pressure, and, making them unsuitable for cabinet applications. media/air mixture, visibility inside the cabinet, humidity, and reclaimer cleaning rate.

  • Page 7: Compressed-Air Requirements

    ® 6012 and 7212 SUCTION BLAST CABINETS Page 6 1.9.7 Plastic media: Plastic and similar lightweight 1.11 Electrical Requirements and/or nonaggressive media generally All wiring external of the cabinet is provided by the user recommended for suction-style cabinets because the to comply with local electrical codes.

  • Page 8: Connect Conveying (Flex) Hose

    ® 6012 and 7212 SUCTION BLAST CABINETS Page 7 adaptor. Clamp the flex hose securely with worm 2.1.3 Use the eyebolts on the four top corners to lift and maneuver the cabinet. Do not lift the cabinet from clamps provided. the hopper or lower frame.

  • Page 9: Ground The Cabinet And Dust Collector

    ® 6012 and 7212 SUCTION BLAST CABINETS Page 8 WARNING WARNING Failure to observe the following before Hose disconnection while under pressure can connecting the equipment to the compressed- cause serious injury or death. Use safety lock air source can cause serious injury from the pins or safety wire to lock twist-on couplings sudden release of trapped compressed air: together and prevent accidental separation, and...

  • Page 10: Connect Media Hose (900 Cfm Reclaimer Only)

    ® 6012 and 7212 SUCTION BLAST CABINETS Page 9 2.5.1.2 Check the dust-collector motor amperage on preset prior to shipment; confirm the initial setting as initial startup; if the motor draws excessive amperage, noted in Paragraph 2.7.2. gradually close the dust-collector damper, located on the inlet on CDC Dust Collectors and on the exhauster outlet on RPC-2 and RPH-2 Dust Collectors, until the Air-Inlet Damper...

  • Page 11: Manometer

    ® 6012 and 7212 SUCTION BLAST CABINETS Page 10 Field-installed (or replacement factory-installed) kits 3.3.1 Consistent static pressure is necessary for consist of black rubber cabinet curtains (refer to Section precise media separation, as the reclaimer's efficiency is 3.2 for curtain installation), a boron carbide nozzle, and achieved by a centrifugal balance of air flow, particle light-lined flex hose.
  • Page 12 ® 6012 and 7212 SUCTION BLAST CABINETS Page 11 approximately 42-inches from the top rails on the inside track. Release Pin (3) Inside Track Turntable Workcar Angled Mounting Tabs Outside Track Hinged Track Release Pin (3) Outside Track Leveling Foot Pads Figure 12 Figure 14 3.5.2...

  • Page 13: Operation

    ® 6012 and 7212 SUCTION BLAST CABINETS Page 12 3.5.5 Turntable work cart hinge track OPERATION operations – Figure 16 NOTICE 3.5.5.1 Set the workcar on the outside track; the grooves in the wheels are designed to ride on the top of Do not pulse new dust collectors or the track rails.

  • Page 14: Loading And Unloading Parts

    ® 6012 and 7212 SUCTION BLAST CABINETS Page 13 4.2.2 If media doesn't flow, it has caked; open the fill 4.4.3 Load parts. door and stir media until it starts to flow. Before the container becomes too heavy to easily manage, replace WARNING the plug and empty the container.

  • Page 15: Blasting Technique

    ® 6012 and 7212 SUCTION BLAST CABINETS Page 14 ADJUSTMENTS NOTICE Blasting Pressure (pilot regulator) ‒ Figure 18 To prevent rapid frosting of the view window, avoid pointing the blast nozzle toward the 5.1.1 The pilot regulator, located on the top-left side of window and install a view-window cover lens, the cabinet, enables the user to adjust blasting pressure per Section 7.3.

  • Page 16: Reclaimer Static Pressure

    ® 6012 and 7212 SUCTION BLAST CABINETS Page 15 Reclaimer Static Pressure (dust-collector outlet damper) 3-1/2 to 4 threads between 5.4.1 Correct static pressure varies with size of lock nut and air jet hex. reclaimer, and the size, weight, and type of media. 5.4.2 Adjust static pressure by opening (handle inline with air flow) or closing (handle perpendicular to air flow)

  • Page 17: Cabinet Air-Inlet Damper

    ® 6012 and 7212 SUCTION BLAST CABINETS Page 16 The vortex cylinder fine tunes media separation. Before Cabinet Air-Inlet Damper adjusting the cylinder, adjust the damper on the dust 5.6.1 Once the inlet damper is initially set, per Section collector to increase or decrease static pressure, per 2.7, it seldom requires readjustment.

  • Page 18: Optional Manometer

    ® 6012 and 7212 SUCTION BLAST CABINETS Page 17 5.8.2 Connect one end of the 3/16" ID tubing to one of the tubing connectors (elbows) at the top of the Detent Sleeve manometer by pushing it over the barbed adaptor. Over-Travel Stop Adjusting Screw Nut 5.8.3...

  • Page 19: Preventive Maintenance

    5.8.7 Adjust the slide rule to align the zero with the fluid level. Refer to the upper part of Figure 24. 5.8.8 Open cabinet door and turn the exhauster ON.

  • Page 20: Daily Inspection And Maintenance Before Blasting

    ® 6012 and 7212 SUCTION BLAST CABINETS Page 19  Condition of parts being blasted: Heavily 6.2.3 Drain pulse reservoir: Refer to the dust collector owner’s manual and drain the pulse reservoir contaminated parts require more maintenance to (manifold) at the end of each shift. the cabinet’s media recovery system.

  • Page 21: Service Maintenance

    Do not use plate glass for replacement view arm port between both spring rings. windows. Plate glass shatters on impact and can cause severe injury. Use only genuine ® ZERO laminated replacement glass. © 2019 CLEMCO INDUSTRIES CORP.  www.clemcoindustries.com  Manual No. 27723, Rev. B 04/19...

  • Page 22: Window-Gasket Replacement

    ® 6012 and 7212 SUCTION BLAST CABINETS Page 21 7.4.1 Remove the two window frame nuts located on the upper edge of the window frame and swing the 5/16 x 3/4 Gasket window frame open. If the frame is to remain open for cleaning or other reasons remove it, per Section 7.6.

  • Page 23: Light Assembly

    ® 6012 and 7212 SUCTION BLAST CABINETS Page 22 7.6.6 Set the window squarely over the window 7.7.3.2 Lay a section of strip gasket along the edge of opening. Make sure that all edges of the window are the opening, and cut to length allowing 3/4 overlap on centered, overlapping the window gasket, and that the each end.

  • Page 24: Replacing Reclaimer Wear Plate

    ® 6012 and 7212 SUCTION BLAST CABINETS Page 23 Replacing Reclaimer Wear Plate ‒ Figure 29 from the outside of the reclaimer. Remove the screws and pull out the wear plate. Reclaimer with bolt-on, removable top. WARNING 7.8.4 Remove remnants of old caulk that will prevent the new wear plate from seating against the reclaimer wall or top.
  • Page 25 ® 6012 and 7212 SUCTION BLAST CABINETS Page 24 Replacing or Field Installing Optional Rubber 7.9.6 If the reclaimer is currently unlined, begin at the installation note preceding Paragraph 7.9.12. Reclaimer Liners ‒ Figure 30 The reclaimer must be designed to accept liners and 7.9.7 Remove the top liner and cylinder liner: Grind have a removable top, as shown in Figure 31.
  • Page 26 ® 6012 and 7212 SUCTION BLAST CABINETS Page 25 7.9.16 (4th) Align the wall liner cutout with the reclaimer 7.9.22 (9th) Place the cylinder liner over the inner tube. inlet housing and lower the liner into the reclaimer. Make sure the liner is tight against the top liner and use Temporarily insert the baffle bolts though the liner and worm clamps to temporarily clamp the liner to the tube.

  • Page 27: Removing Or Replacing Reclaimer Inlet Baffle

    ® 6012 and 7212 SUCTION BLAST CABINETS Page 26 7.9.28 Attach the inlet-pipe adaptor, replacing the 7.10.5 If removing (not replacing) the baffle, remove the gasket if worn, compressed, or otherwise damaged. strip gasket from the inner tube and install the baffle bolts and reclaimer top.

  • Page 28: Troubleshooting

    ® 6012 and 7212 SUCTION BLAST CABINETS Page 27 TROUBLESHOOTING Abnormally high media consumption 8.2.1 Door on reclaimer open or worn door gasket. Air WARNING entering the reclaimer around the door will cause media carryover to the dust collector. Inspect door gasket. DO To avoid serious injury, observe the following NOT operate unless all doors are closed.

  • Page 29: Plugged Nozzle

    ® 6012 and 7212 SUCTION BLAST CABINETS Page 28 8.3.7 Air jet out of adjustment. Check adjustment, per Blockage in media hose Section 5.2. 8.7.1 Media obstructions. Usually caused when the media mixture is too rich. Adjust media-air mixture, per 8.3.8 Moist media.

  • Page 30: Blasting Does Not Begin When Foot Pedal Is Pressed

    ® 6012 and 7212 SUCTION BLAST CABINETS Page 29 8.10.2 Air jet may be too large for nozzle. Refer to the 8.13.2 Dust-collector damper closed too far, restricting table in Paragraph 1.10.1. air movement through cabinet. Adjust static pressure, per Section 5.4. 8.10.3 Blast pressure too high.

  • Page 31: Accessories And Replacement Parts

    2000 lb. capacity turntable mounted on workcar with Optional Accessories 9 ft. (nominal) track extension 30" diameter for BNP 6012 ....... 25550 Turntables and Turntables with Tracks 48" diameter for BNP 6012 ....... 27055 48" diameter for BNP 7212 ....... 25555...
  • Page 32 ® 6012 and 7212 SUCTION BLAST CABINETS Page 31 Time-delay door locks ..........24164 Extension Nozzles ‒ Figure 34 Lock pins (pkg of 25) for twist-on hose couplings ..11203 Item Description Stock No. Safety cable, for 1/2" to 1-1/4" OD hose ....15012 Manometer kit ............

  • Page 33: Cabinet Replacement Parts

    ® 6012 and 7212 SUCTION BLAST CABINETS Page 32 Cabinet Replacement Parts ‒ Figure 35 Clamp, for clamp-attached glove ....11576 Grommet, media and air hose ....11798 Item Description Stock No. Foot pedal assembly, Gasket, door, 5/8" x 2-1/2" adhesive-backed less tubing ..........

  • Page 34: Bnp ® Gun And Hose Assembly

    ® 6012 and 7212 SUCTION BLAST CABINETS Page 33 ® Gun and Hose Assembly ‒ Figure 36 Item Description Stock No. BNP Gun assemblies less nozzle, includes items 1 (brass) through 7 No. 4 Gun ..........12301 No. 5 Gun ..........12302 No.

  • Page 35: View-Window Assembly

    ® 6012 and 7212 SUCTION BLAST CABINETS Page 34 View-Window Assembly ‒ Figure 38 Foot-Pedal Assembly ‒ Figure 40 Item Description Stock No. Item Description Stock No. Window glass, 20" x 30" laminated ... 12213 Foot-pedal assembly Gasket, 5/16" x 3/4", applied to cabinet less tubing, includes items 1 thru 9 ..

  • Page 36: Plumbing And Cabinet Controls

    ® 6012 and 7212 SUCTION BLAST CABINETS Page 35 Plumbing and Cabinet Controls ‒ Figure 42 Bushing 1/4" x 1/8" NPT ......02010 Bracket, 1/2" regulator assembly ..... 19231 Item Description Stock No. Filter, 1/2" manual drain air ...... 01308 Valve, 3 way ..........

  • Page 37: Flex Hose, Wye Pipe, And Adaptors

    ® 6012 and 7212 SUCTION BLAST CABINETS Page 36 9.10 Flex Hose, Wye Pipe, and Adaptors – Figure 43 Wye pipe adaptor, 4" x 4" x 6" All hose is sold per foot unless noted, specify feet 900 conv'l and 1200 cfm w/steel ..12379 required.

  • Page 38: Replacement Reclaimer Assemblies

    ® 6012 and 7212 SUCTION BLAST CABINETS Page 37 9.11 Replacement Reclaimer Assemblies Screen assembly ........21265 Replacement reclaimers are pull-thru type for use with Latch assembly, door ....... 12263 reverse-pulse dust collectors; they include the hose Gasket, door inlet, screen, and wear plate, they do not include 900 cfm ..........

  • Page 39: Reclaimer Liners

    ® 6012 and 7212 SUCTION BLAST CABINETS Page 38 9.13 Reclaimer Liners ‒ Figure 45 Reclaimer must be designed to accept liners and have a removable top. Item Description Stock No. Rubber liner sets 900 cfm ..........23151 1200 cfm ..........25439 1800 cfm ..........

This manual is also suitable for:

Bnp 7212

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