Zero BNP 6012 Manual 

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 ...

Page 1 © 2019 CLEMCO INDUSTRIES CORP.  www.clemcoindustries.com  Manual No. 27723, Rev. B 04/19 1.0 INTRODUCTION 1.1 Scope of Manual 1.1.1 These instructions cover setup, operation, maintenance, troubleshooting, optional accessories, and replacement parts for BNP-6012 and 7212 Suction Blast Cabinets. The instructions cover the operation of all pull- thru reclaimers and basic installation of the dust collector. One of the following supplemental manuals is provided with the dust collector. Refer to the appropriate manual for specific installation, operation and maintenance of the collector.  CDC-1 ...

Page 2 © 2019 CLEMCO INDUSTRIES CORP.  www.clemcoindustries.com  Manual No. 27723, Rev. B 04/19 ADJUSTMENTS ......................................................... 5.0 Blasting Pressure (pilot regulator) ............................... 5.1 Air Jet Adjustment ....................................................... 5.2 Media-Air Mixture (media flow) ................................... 5.3 Reclaimer Static Pressure ........................................... 5.4 Optional Externally Adjustable Vortex Cylinder .......... 5.5 Cabinet Air-Inlet Damper ............................................. ...

Page 3 © 2019 CLEMCO INDUSTRIES CORP.  www.clemcoindustries.com  Manual No. 27723, Rev. B 04/19 Figure 1 1.5 Theory of Operation 1.5.1 Once the components are correctly set up and turned on, the cabinet is then ready for operation by actuation of the foot pedal. Fully depressing down on the foot pedal causes air to flow through the blast gun. The partial vacuum created by air moving through the gun draws media into the blast-gun mixing chamber. The media mixes with the air stream and is propelled out the nozzle. After striking the object being blasted, the blast media, fines, dust, and byproducts ge ...

Page 4 © 2019 CLEMCO INDUSTRIES CORP.  www.clemcoindustries.com  Manual No. 27723, Rev. B 04/19 1.6.1 CDC-1 Dust Collectors: Shown in Figure 1, the collector is available for 900 cfm models. The single-filter cartridge is cleaned by using a manually controlled pulse of compressed air. Dust collects in a 5-gallon dust drum, which must be frequently emptied. CDC-1 Dust Collectors are standard with BNP cabinets with 900 cfm reclaimers unless an optional RPC-2 or RPH-2 Dust Collector is ordered at time of purchase. Refer to manual number 28225. 1.6.2 RPC-2 Dust Collectors: Shown in Figure 2, this collec ...

Page 5 © 2019 CLEMCO INDUSTRIES CORP.  www.clemcoindustries.com  Manual No. 27723, Rev. B 04/19 standard 5/32" orifice air jet with 5/16" nozzle and average conditions, with variables such as blast pressure, media/air mixture, visibility inside the cabinet, humidity, and reclaimer cleaning rate. Several variables affecting the reclaimer cleaning rate include reclaimer size (cfm), contamination of parts being blasted, media friability, damper setting (static pressure), and dust-collector filter loading (differential pressure across the dust filters). As a rule, larger orifice air jets and nozzles del ...

Page 6 © 2019 CLEMCO INDUSTRIES CORP.  www.clemcoindustries.com  Manual No. 27723, Rev. B 04/19 1.9.7 Plastic media: Plastic and similar lightweight and/or nonaggressive media are generally not recommended for suction-style cabinets because the lower blast velocity of suction blasting combined with the softer and lighter weight media do not provide the media impact for productive blasting. Best performance from plastic media is achieved with pressure blasting, requiring a pressure vessel with a 60-degree conical bottom. Refer to Clemco’s Aerolyte® cabinet line. 1.9.8 Bicarbonate of soda: Bicarbon ...

Page 7 © 2019 CLEMCO INDUSTRIES CORP.  www.clemcoindustries.com  Manual No. 27723, Rev. B 04/19 2.1.3 Use the eyebolts on the four top corners to lift and maneuver the cabinet. Do not lift the cabinet from the hopper or lower frame. NOTICE Do not use a forklift to lift the cabinet from the hoppers or lower frame. The cabinet hopper is not designed to support the weight of the cabinet. The lower frame is designed to support distributed weight. Using a forklift on the hoppers or frame may cause damage. 2.1.4 Refer to the dust-collector owner’s manual to set up the dust collector and prepare it for o ...

Page 8 © 2019 CLEMCO INDUSTRIES CORP.  www.clemcoindustries.com  Manual No. 27723, Rev. B 04/19 WARNING Failure to observe the following before connecting the equipment to the compressed- air source can cause serious injury from the sudden release of trapped compressed air:  Lockout and tagout the compressed-air supply.  Bleed the compressed-air supply line. 2.3.1 Refer to Paragraph 2.3.2 to determine the recommended air-supply hose size, then refer to Figure 6 and apply thread sealant to the male threads of an air fitting that is compatible with the air-supply hose fitting, and install it on ...

Page 9 © 2019 CLEMCO INDUSTRIES CORP.  www.clemcoindustries.com  Manual No. 27723, Rev. B 04/19 2.5.1.2 Check the dust-collector motor amperage on initial startup; if the motor draws excessive amperage, 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 amperage is within the specifications shown on the motor plate. 2.5.2 Check Motor Rotation 2.5.2.1 After wiring is completed, observe the warning that follows and check the motor rotation. To check rotation, turn the On-Off switch ON and quic ...

Page 10 © 2019 CLEMCO INDUSTRIES CORP.  www.clemcoindustries.com  Manual No. 27723, Rev. B 04/19 Field-installed (or replacement factory-installed) kits consist of black rubber cabinet curtains (refer to Section 3.2 for curtain installation), a boron carbide nozzle, and light-lined flex hose. If the existing flex hose is in good condition, reserve the new hose for future replacement. 3.2 Cabinet Curtain Installation – Figure 10 3.2.1 Match the curtains to the corresponding wall and door as shown in Figure 10. Hook the curtains to the J- Hooks welded along the top of the front, back, and side walls ...

Page 11 © 2019 CLEMCO INDUSTRIES CORP.  www.clemcoindustries.com  Manual No. 27723, Rev. B 04/19 Figure 12 3.5.2 Install inside track – Figure 13 3.5.2.1 Lay the inside track on the cabinet hoppers and above the grate as shown in Figure 13. Figure 13 3.5.2.2 Push the end support bar against the inside cabinet wall, opposite the door, and insert the angled tabs on the door end of the track into the two sleeves on the hopper as shown. 3.5.2.3 Make sure the weight of the track is evenly distributed over the hoppers and match drill through the cabinet wall, at the four hole locations in the end suppor ...

Page 12 © 2019 CLEMCO INDUSTRIES CORP.  www.clemcoindustries.com  Manual No. 27723, Rev. B 04/19 3.5.5 Turntable work cart and hinge track operations – Figure 16 3.5.5.1 Set the workcar on the outside track; the grooves in the wheels are designed to ride on the top of the track rails. 3.5.5.2 For shipping purposes, some field installed or replacement turntables may not be installed in the workcar. If shipped separately, slide the turntable shaft through the rubber bearing-protector, bearing collar and bearing. When the turntable shaft is fully seated in the bearing, use a hex key to tighten the co ...

Page 13 © 2019 CLEMCO INDUSTRIES CORP.  www.clemcoindustries.com  Manual No. 27723, Rev. B 04/19 4.2.2 If media doesn't flow, it has caked; open the fill door and stir media until it starts to flow. Before the container becomes too heavy to easily manage, replace the plug and empty the container. Replace the plug when the reclaimer is empty or, if changing media type, purge the media hose, as noted below. 4.2.3 To purge the media hose, before replacing the plug turn ON the exhauster, grasp the gun, and press the foot pedal using the gun to blow off the cabinet interior until the air from the gun and ...

Page 14 © 2019 CLEMCO INDUSTRIES CORP.  www.clemcoindustries.com  Manual No. 27723, Rev. B 04/19 NOTICE To prevent rapid frosting of the view window, avoid pointing the blast nozzle toward the window and install a view-window cover lens, per Section 7.3. 4.4.8 When holding parts off the grate, use a solid conductive backrest to support the part. Without this assist, especially with longer blasting operations, the operator will tire easily from resisting blast pressure, and static electricity could build up in the ungrounded part and cause static shocks. Whenever possible avoid holding small parts th ...

Page 15 © 2019 CLEMCO INDUSTRIES CORP.  www.clemcoindustries.com  Manual No. 27723, Rev. B 04/19 Figure 19 5.3 Media/Air Mixture (media flow) ‒ Figure 20 5.3.1 Check the media stream for correct media/air mixture; media flow should be smooth and appear as a light mist coming from the nozzle. 5.3.2 If media does not flow smoothly, loosen the locking nut and adjust the metering screw until the upper holes in the metering stem are closed off and the lower holes are fully open, as shown in Figure 20. This adjustment is a starting point. Figure 20 5.3.3 If pulsation occurs in the media hose, either med ...

Page 16 © 2019 CLEMCO INDUSTRIES CORP.  www.clemcoindustries.com  Manual No. 27723, Rev. B 04/19 The vortex cylinder fine tunes media separation. Before adjusting the cylinder, adjust the damper on the dust collector to increase or decrease static pressure, per Section 5.4. Once the damper is adjusted, adjust the cylinder. 5.5.1 The vortex cylinder is located atop the reclaimer where the flex hose connects. Adjustments are made by loosening the handle's tensioning knob and moving the handle to achieve the correct setting. When the correct setting is established, tighten the locking knob to prevent m ...

Page 17 © 2019 CLEMCO INDUSTRIES CORP.  www.clemcoindustries.com  Manual No. 27723, Rev. B 04/19 Figure 22 5.7.5 Test the operation with the door open and then closed. Negative pressure inside the cabinet may cause the door to flex inward. Tests should be performed with the exhauster running. Point the nozzle away from the door during the tests and open the door only enough to disengage the interlock switch. The interlocks should stop the blasting when the door is open and permit blasting when the door is closed. 5.8 Optional Manometer These instructions show several methods of taking static pressur ...

Page 18 © 2019 CLEMCO INDUSTRIES CORP.  www.clemcoindustries.com  Manual No. 27723, Rev. B 04/19 5.8.6.2 Taking readings at the reclaimer door: Open the reclaimer fill door, remove the needle protector, and place the needle so the tip is inside the door opening. Carefully close the door on the needle. The side of the needle will embed into the rubber, creating an airtight seal. Figure 24 5.8.6.3 Taking frequent readings using a permanent fitting: A permanent fitting may be installed in the reclaimer wall, as shown in Figure 23, for taking frequent static pressure readings. Permanent fittings must ha ...

Page 19 © 2019 CLEMCO INDUSTRIES CORP.  www.clemcoindustries.com  Manual No. 27723, Rev. B 04/19  Condition of parts being blasted: Heavily contaminated parts require more maintenance to the cabinet’s media recovery system.  Friability of media: Media that rapidly breaks down require more maintenance to the cabinet’s media recovery system and dust collector. 6.1 Daily Inspection and Maintenance before Blasting with the Air OFF 6.1.1 Check media level: Check media level in reclaimer and refill as necessary. 6.1.2 Inspect reclaimer debris screen and door gasket: Check reclaimer debris screen ...