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BNP

®

 65 and 220 SUCTION BLAST CABINETS 

Page 2 

 

 

 

 

 

© 2019 CLEMCO INDUSTRIES CORP.  

  www.clemcoindustries.com  

  Manual No. 21309, Rev. J 01/19

 

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  ............................................ 5.6 
Door Interlocks  ........................................................... 5.7 
Optional Manometer  ................................................... 5.8 
Foot Shelf, Ergonomic Models Only  ........................... 5.9 

 

PREVENTIVE MAINTENANCE  ................................. 6.0 

Daily Inspection and Maintenance Before Blasting ....... 6.1

 

Check media level in reclaimer  ............................ 6.1.1 
Inspect reclaimer debris screen and door gasket  ... 6.1.2 
Drain compressed-air filter  ................................... 6.1.3 
Inspect dust container  .......................................... 6.1.4 

Daily Inspection During Blasting ................................. 6.2

 

Inspect cabinet for dust leaks  .............................. 6.2.1 
Check exhaust air for dust  ................................... 6.2.2 
Drain pulse reservoir  ............................................ 6.2.3 
Cartridge pulsing  .................................................. 6.2.4 

Weekly Inspection and Maint. Before Blasting .......... 6.3 

Inspect view-window cover lens  .......................... 6.3.1 
Inspect gloves  ...................................................... 6.3.2 
Inspect BNP

®

 Gun Assembly  ............................... 6.3.3 

Inspect media hose  .............................................. 6.3.4 

Weekly Inspection During Blasting  ............................ 6.4 

Inspect flex hose for leaks .................................... 6.4.1 

Monthly Inspection and Maintenance ......................... 6.5 

Reclaimer wear plate and liners ........................... 6.5.1 

Dust Collector  ............................................................. 6.6 

 

SERVICE MAINTENANCE  ......................................... 7.0 

Gloves  ......................................................................... 7.1 
BNP

®

 Gun and Hose Assembly  .................................. 7.2 

View-Window Cover Lens  ........................................... 7.3 
View-Window Replacement  ........................................ 7.4 
Window-Gasket Replacement ..................................... 7.5 
Window-Frame Removal  ............................................. 7.6 
LED Light Assembly  .................................................... 7.7 
Replacing Reclaimer Wear Plate  ................................ 7.8 
  Reclaimer with welded-on top, 300 cfm  ................ 7.8.1 
  Reclaimer with bolt-on top, 600 and 900 cfm  ......... 7.8.2 
Replacing or Installing Rubber Reclaimer Liners  ........ 7.9 
Removing or Replacing Reclaimer Inlet Baffle .......... 7.10 
Reverse-Pulse Dust Collector  ................................... 7.11 

 

TROUBLESHOOTING  ................................................ 8.0 

Poor visibility  ............................................................... 8.1 
Abnormally high media consumption  .......................... 8.2 
Reduction in blast cleaning rate  .................................. 8.3 
Plugged nozzle  ............................................................ 8.4 
Media bridging  ............................................................. 8.5 
Media surge  ................................................................. 8.6 
Blockage in media hose  .............................................. 8.7 
Poor suction in media hose  ......................................... 8.8 
Air only (no media from nozzle  .................................... 8.9 
Blowback through media hose  .................................. 8.10 
Blasting does not begin when foot pedal is pressed  ...... 8.11 
Blasting continues after foot pedal is released  ......... 8.12 

Media buildup in cabinet hopper  ............................... 8.13 
Static shocks  ............................................................. 8.14 
Dust leaking from cabinet  .......................................... 8.15 
Dust leaking from dust collector  ................................ 8.16 

 

ACCESSORIES AND REPLACEMENT PARTS  ....... 9.0 

Optional Accessories  .................................................. 9.1 
Cabinet Replacement Parts  ........................................ 9.2 
BNP

®

 Gun and Hose Assembly ................................... 9.3 

Inlet Air-Regulator Assembly ....................................... 9.4 
View-Window Assembly  .............................................. 9.5 
LED Light Assembly  .................................................... 9.6 
Foot-Pedal Assembly  .................................................. 9.7 
Metering Valve Assembly ............................................. 9.8 
Cabinet Controls and Plumbing  .................................. 9.9 
Replacement Reclaimer Assemblies  ........................ 9.10 
300 CFM Reclaimer Replacement Parts ................... 9.11 
600 CFM Modular Reclaimer Replacement Parts ..... 9.12 
900 CFM Modular Reclaimer Replacement Parts ..... 9.13 

 

1.4 

General Description 

 

1.4.1 

BNP

®

  blast  cabinets  enclose  the  blasting 

environment  to  provide  efficient  blasting  while 
maintaining  a  clean  surrounding  work  area.  Production 
rates  are  influenced  by  size  of  nozzle,  compressor 
output,  working  pressure,  type  and  size  of  media,  and 
angle and distance of the nozzle from the blast surface. 
BNP suction cabinets consist of three major components: 

 

  Cabinet enclosure 

  Reclaimer 

  Dust collector 

 

1.4.2  Cabinet  enclosure:

  This  manual  covers  two 

BNP  cabinet  sizes.  Each  is  available  as  a  Conventional, 
stand-up  model  and  an  ergonomic,  sit-down  model; 
totaling four separate cabinet models. 

 

  BNP-65

  Approximate work chamber dimensions: 

 

36" wide x 35" deep x 37" high. 

 

  BNP-220

  Approximate work chamber dimensions: 

 

50" wide x 39" deep x 43" high.

 

 

The  extended  front  on  ergonomic  models  provides 
approximately  12  inches  additional  depth  from  the  arm 
port and above, and is approximately 3 inches narrower 
than the widths shown above.  
 

1.4.3

 

Refer  to  Figure  1  for  arrangement  of  components 

with  a  CDC-1  Dust  Collector.  The  illustration  shows  a 
freestanding  900  reclaimer;  300  and  600  reclaimers  are 
mounted on the back of the cabinet, as shown in Figure 2. 
Figure 3 shows the arrangement with an RPC-2 (600 cfm or 
900  cfm  only)  Reverse-Pulse  Dust  Collector  with  dust 
drawer. The optional RPH-2 (600 cfm and 900 cfm) is set up 
the  same  way  as  the  RPC-2,  but  includes  a  hopper  for 
additional dust storage and empties into a drum. The overall 
height  of  an  RPH-2 is approximately 10.5 feet and 12 feet 
when the top access door is open. To upgrade, an RPC-2 
or RPH-2 Dust Collector may be added at any time. 

Содержание BNP 65

Страница 1: ...sible 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 suitabil...

Страница 2: ...ol It is used to alert you to potential physical injury hazards Obey all safety messages that follow this symbol to avoid possible injury or death NOTICE Notice indicates information that is considere...

Страница 3: ...released 8 12 Media buildup in cabinet hopper 8 13 Static shocks 8 14 Dust leaking from cabinet 8 15 Dust leaking from dust collector 8 16 ACCESSORIES AND REPLACEMENT PARTS 9 0 Optional Accessories 9...

Страница 4: ...creened for oversize particles and returned to the reclaimer hopper for reuse Dust and fines entering the dust collector are removed from the air stream as they pass through the filters discharging cl...

Страница 5: ...and operate the same as the RPC 2 as shown in Figure 3 but instead of a dust drawer the collector sits atop a hopper which provides additional dust storage and empties into a 30 gallon drum Refer to...

Страница 6: ...brasive blasting because of the respiratory hazards associated with media containing free silica Slags are not recommended because they rapidly break down and are not recyclable 1 9 4 Silicon carbide...

Страница 7: ...al Compressed Air Consumption in CFM BNP Gun Jet Orifice Nozzle Orifice CFM PSI No 4 1 8 5 16 21 80 No 5 5 32 5 16 32 80 No 6 3 16 3 8 47 80 No 7 7 32 7 16 62 80 No 8 1 4 1 2 86 80 Using this combinat...

Страница 8: ...t collector pulse Refer to the dust collector owner s manual The line may be connected to the auxiliary air port on the cabinet plumbing as shown in Figure 6 WARNING Failure to observe the following b...

Страница 9: ...Shorting electrical components can result in serious injury or death from electrical shock or equipment damage Electrical power must be locked out and tagged out before performing any electrical work...

Страница 10: ...Media Hose to Metering Valve 900 cfm freestanding reclaimer only Hoses are already attached to 300 and 600 cfm reclaimers Figure 9 2 6 1 Refer to Figure 9 and attach the clear media hose from under t...

Страница 11: ...ch grommet 3 2 4 Ergo side extensions Position the curtain on the wall to be protected Use the curtain as a template and mark the top mounting point through the grommet Remove the curtain and drill a...

Страница 12: ...o make sure they function correctly When certain the table and tracks are aligned and level and that the workcar moves smoothly on all tracks tighten the leveling pad lock nuts and anchor the support...

Страница 13: ...unsupported parts may cause them to shift or topple and cause severe injury This is especially important with the use of turntables 4 3 1 Load and unload parts through either door 4 3 2 Parts must be...

Страница 14: ...ffects size of blast pattern Under normal conditions hold the nozzle approximately 3 to 6 from the surface of the part 4 6 Stop Blasting 4 6 1 To stop blasting remove foot pressure from the top of the...

Страница 15: ...low the dust collector damper Refer to the dust collector owner s manual the damper is located on the inlet on CDC 1 Dust Collectors and on the exhauster outlet on RPC 2 and RPH2Dust Collectors If the...

Страница 16: ...6 Cabinet Air Inlet Damper 5 6 1 Once the inlet damper is initially set per Section 2 7 it seldom requires readjustment The initial setting produces approximately 5 to 75 of static pressure in the ca...

Страница 17: ...ct one end of the 3 16 ID tubing to one of the tubing connectors elbows at the top of the manometer by pushing it over the barbed adaptor 5 8 3 Leave the needle protector on the needle and insert the...

Страница 18: ...king the readings replace the needle protector Close the manometer valves and store the manometer in the original container in a clean area NOTE If the manometer installation is permanent the manomete...

Страница 19: ...for media leaks Dust leaking from the inlet damper or other places on the cabinet indicates saturated filter cartridge Refer to the dust collector owner s manual 6 2 2 Check exhaust air for dust Dust...

Страница 20: ...on Quick change gloves are held in place using spring rings sewn into the attachment end of the glove To install insert the glove into the arm port so one spring is on the inside of the port and the o...

Страница 21: ...d 7 5 2 Remove the window and window frame per Section 7 6 7 5 3 Remove all the old gasket material and clean the surfaces of the cabinet and window frame 7 5 4 Peel a short section of adhesive backin...

Страница 22: ...f adhesive backing and adhere the strip gasket to the top edge of the light opening as shown in Figure 26 Press the gasket to bond Repeat the process for each side compressing the ends to seal 7 7 3 D...

Страница 23: ...e the leading edge of the wear plate is aligned with the reclaimer inlet as shown in Figure 27 and that the top edge is even with the top of the reclaimer 7 8 1 6 Install the front two sheet metal scr...

Страница 24: ...to secure Rearrange the clamp s as needed to press the wear plate against the reclaimer wall when installing NOTE The wear plate can also be installed by prying it against the wall as explained in Se...

Страница 25: ...elf drilling screws from the outside of the reclaimer remove the screws and lift the wall liner from the top of the reclaimer 7 9 11 Inner cone liners and cone ring liners are glued onto the inner con...

Страница 26: ...ignment 7 9 22 9th Place the cylinder liner over the inner tube Make sure the liner is tight against the top liner and use worm clamps to temporarily clamp the liner to the tube Tack weld the bottom o...

Страница 27: ...e the flex hose from the reclaimer top Figure 30 7 10 2 Remove the fasteners securing the reclaimer top and remove the top 7 10 3 Remove the two bolts three on 900 reclaimer that secure the baffle to...

Страница 28: ...cabinet hopper and reclaimer inlet or between the reclaimer and dust collector Replace hose and route it with as few bends as possible to prevent wear 8 1 9 Obstruction in flex hose between the cabine...

Страница 29: ...e mesh media in areas of high humidity Empty the media and store it in an airtight container when cabinet is not in use 8 5 5 A vibrator attached to the reclaimer hopper or media metering valve may he...

Страница 30: ...ockout and tagout electrical power and switch the motor leads as shown on the motor plate Refer to the system s wiring schematic Refer to Sections 2 5 1 and 2 5 2 8 13 2 Dust collector damper closed t...

Страница 31: ...rntable replacement 20 diameter 500 lb capacity 18329 30 diameter 500 lb capacity 21390 2 Bearing 1 1 2 bore 11517 3 Protector bearing 13479 4 Screw 1 2 NC x 1 1 2 cap 03454 5 Washer 1 2 lock 03516 6...

Страница 32: ...NP 220 Convent l with 600 reclaimer 14133 for BNP 220 Ergo model with 600 reclaimer 28892 for BNP 220 Convent l with 900 reclaimer 13949 for BNP 220 Ergo model with 900 reclaimer 28893 Rubber cabinet...

Страница 33: ...angle extension 12040 8 O ring side angle extension 08977 Figure 34 Reclaimer Liners Figure 35 Reclaimer must be designed to accept liners and have a removable top 600 cfm liners are for modular styl...

Страница 34: ...798 12 Plate hopper hose 21656 13 Gasket hopper plate 20247 14 Hose light lined flex specify ft required 4 ID for 300 cfm 7 ft required 12466 5 ID for 600 cfm 7 ft required 12467 6 ID for 900 cfm 9 ft...

Страница 35: ...Hose media clear specify ft required 12476 12 Wide spray nozzle Tungsten carbide No 6 11947 Boron carbide No 6 11934 No 8 11944 13 Wide spray nozzle nut Knurled brass 11916 Urethane covered 12906 14...

Страница 36: ...ut 1 4 20 hex 03111 8 Washer 1 4 lock 03117 9 Washer 1 4 flat 03116 Figure 40 9 7 Foot Pedal Assembly Figure 41 Item Description Stock No Foot pedal assembly less tubing includes items 1 thru 9 20483...

Страница 37: ...19231 10 Filter 1 2 manual drain air 01308 11 Adaptor 1 2 NPT x 1 2 flare 11351 12 Hose end 1 2 barb x 1 2 female swivel 15002 13 Hose end 1 2 barb x 3 8 male NPT 06369 14 Blow off nozzle 13116 15 Ai...

Страница 38: ...Parts Figure 44 Refer to Page 38 for 600 cfm reclaimer replacement parts and Page 39 for 900 cfm reclaimer replacement parts Item Description Stock No 300 cfm reclaimer with 5 outlet plate 28965 1 Gas...

Страница 39: ...odular 29524 14 Body section modular with door wear plate and baffle 29486 15 Body section modular with door rubber liners and Item 26 top plate 29495 16 Gasket 1 8 x 2 adhesive backed per foot 1 foot...

Страница 40: ...asket and latch 14271 13 Eyebolt 3 8 NC 00430 14 U channel 3 8 1 foot required 04076 15 Baffle 900 modular 23051 16 Gasket 1 8 x 2 adhesive backed per foot 1 foot required at this location 13089 17 Bo...

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