Comco MB1005-1 Operation And Service Instructions Manual Download Page 55

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MicroBlaster MB1005

Section 5: Trouble-Shooting and Repair

Comco Inc.

5-3

Issue Date: September 2003

How To Order Replacement Parts

Replacement parts for the MicroBlaster may be ordered directly from Comco
Customer Service. Please provide the following when ordering parts:



Your name



Your company’s name and location (city and state)



The machine, model number, and serial number



The part number of the component you wish to order

Providing this information will expedite your request and will also ensure that you
receive the proper component for your unit.

Comco offers

Repair Kit

for its customers who prefer to do their own

maintenance. This kit contains the parts and instructions needed to keep your
MicroBlaster in top condition.

MicroBlaster Tune-up Kit (MB1440) replace all normal wear points in your
MicroBlaster.

Contact Comco for more information.

Summary of Contents for MB1005-1

Page 1: ...ssue Date September 2003 This manual covers all variations of the MB1005 series manufactured after September 2003 MB1005 1 MB1005 2 ETC Comco Inc 2151 N Lincoln Street Burbank California 91504 USA Phone 818 841 5500 FAX 818 955 8365 www comcoinc com Book P N MB1248 1 File MB1005 doc ...

Page 2: ...ger necessary to manually vent air from the unit after turning the power off Your new MicroBlaster is also equipped with an innovative abrasive hose connector utilizing the Quicknut The new connector delivers longer life than standard fittings and the Quicknut enables you to change the abrasive hose faster At Comco we strive to continually improve the MicroBlaster to provide you with the most effi...

Page 3: ...lasting System Requirements 2 3 Figure 2 2 MicroBlaster Reference Sheet 2 4 What You Received with the MicroBlaster 2 5 Basic Components of the MicroBlaster 2 6 Figure 2 3 External Component Locations 2 7 Setup and Test 2 8 Section 3 Using the MicroBlaster 3 1 This section discusses the selection of key operating parameters such as abrasives and nozzles and tells you how to operate the MicroBlaste...

Page 4: ...3 Common Problems Causes and Solutions 5 4 Table 5 1 No Air Flow 5 4 Table 5 2 No Abrasive Flow 5 5 Replacing the Abrasive Hose and Fittings 5 6 Inspecting and Repairing the Pinch Valve 5 8 Inspecting and Repairing the Modulator 5 10 Figure 5 1 Modulator Assembly 5 11 Clogging 5 13 Air Pressure Regulator 5 14 Tank Cover 5 15 Section 6 Optional Equipment 6 1 This section details optional equipment ...

Page 5: ...he customer to be installed by the customer 2 Repair the unit at the customer s facility or 3 Request that the unit be returned to the Comco factory Any replacement parts shall be furnished by Comco without cost F O B the Comco factory in Burbank California provided that Comco is notified of the defect within the warranty period Any defective parts shall be returned to Comco for inspection and ana...

Page 6: ...machinery Working with a Device that is Pressurized The MicroBlaster uses pressurized air to perform its basic function To minimize the risk of an accident related to air pressure Comco also recommends the following The air supply system should have a shutoff valve located upstream of the blasting machine so that the supply pressure can be turned off independently of the blaster Pressure relief va...

Page 7: ...er will be removed Do not operate the MicroBlaster with its cover removed Keep the interior of the MicroBlaster clean of dust powder and any foreign object or substance that could conduct electricity CAUTION Some abrasive powders are conductive and may present a hazard if allowed to accumulate inside the machine Working with the Abrasive Media The MicroBlaster uses several types of abrasive media ...

Page 8: ...they come in contact with Keep the threads on the tank and tank cover clean of abrasive powder to avoid wear that can cause a dangerous condition See Section 4 for details on how to check for tank cover wear Also always fill the tank through the flapper valve to greatly reduce the amount of wear on the threads Material safety data sheets MSDS s for all abrasives distributed by Comco are available ...

Page 9: ...chinery cont d The following warning labels pictograms are utilized in the MicroBlaster CE European versions Symbol Meaning ELECTRICAL HAZARD HAND PROTECTION RECOMMENDED WHERE APPROPRIATE EYE PROTECTION RECOMMENDED WHERE APPROPRIATE RESPIRATORY PROTECTION RECOMMENDED WHERE APPROPRIATE ...

Page 10: ......

Page 11: ...1005 Comco Inc 1 1 Issue Date September 2003 Section 1 The MicroBlaster MB1005 In This Section This section gives you an overview of your MicroBlaster including A general description of the MicroBlaster How the MicroBlaster Works Detail specifications ...

Page 12: ...ple and uncluttered see Figure 1 1 It consists principally of an inlet air valve rear panel air pressure regulator with gage modulator internal abrasive powder tank and mixing chamber The abrasive hose pinch assembly to stop and start the abrasive flow the footswitch to actuate it and a handpiece that holds the precision nozzle complete the machine All the component parts are manufactured to the h...

Page 13: ...then passes through an open or de energized modulator assembly and into the mixing chamber and abrasive tank Air cannot escape through the nozzle because the hose pinch or shut off assembly is closed The air pressure inside the system builds up until it reaches the regulated pressure Figure 1 2 MicroBlaster Pressurized The MicroBlaster as shown in the illustration above is now pressurized and read...

Page 14: ... which energizes and de energizes it 60 times every second Refer to Figure 1 4 item 2 At the beginning of the operating cycle as shown in Figure 1 3 below the hose pinch is opened Before the modulator has had a chance to energize regulated air flows freely through the open modulator valve the mixing chamber and out the nozzle Figure 1 3 Modulator Open Since the air flowing from the regulator into ...

Page 15: ...r is again de energized and opens to allow pressurized air to freely flow into the mixing chamber and out the nozzle This forces air back into the abrasive tank stabilizing the pressure between the tank and the mixing chamber refer back to Figure 1 3 Each cycle happens very quickly 50 60 times per second The end result of this stop start action of the modulator is a consistent stream of abrasive o...

Page 16: ...ng Pressure 40 to 185 PSI 2 7 to 12 8 Bars Moisture 200 PPM Max Oil 10 PPM Max Particles 5 Microns Max Electrical Voltage 115 or 230 10 20 VAC Frequency 50 60 Hz Power 40 Watts Physical Width 16 5 in 42 cm Depth 10 in 25 5 cm Height 9 in 23 cm Weight 20 5 lbs 9 3 kg Tank Volume 50 in3 820 cm3 Tank Capacity abrasive 2 lbs 1 kg During normal operation employing a 0 030 diameter nozzle a 0 025 diamet...

Page 17: ... Getting Started In This Section This section tells you what you need to do to prepare for using your MicroBlaster including The work area required to properly use the MicroBlaster What you received with the MicroBlaster Basic Components of the MicroBlaster Setting up and testing the MicroBlaster ...

Page 18: ...er to figure 2 1 to see how these items work together as a complete system Workstation A suitable hood or box providing a means of working with the abrasive material without contaminating the atmosphere of the room is required It must protect the operator s face and provide adequate light The Comco WS2200 and WS6000 WorkStations are designed for this purpose Refer to Appendix C for more informatio...

Page 19: ... 1 Micro abrasive Blasting System Requirements Electric Power A source of 115 or 230 VAC 50 60 Hz capable of providing 100 watts is required for the MB1005 If the WS2200 or WS6000 WorkStation is used it requires 40 watts The DC2100 Dust Collector if used requires about 16 amps for its 1 HP motor Actual voltage required for each machine will be found on the nameplate ...

Page 20: ...n 3 MICROBLASTER SETUP TIPS 1 Verify that the hose from the dust collector is connected to the 4 collar on the back panel of the workstation For optimum dust collection the hose should be as short as possible 2 Position the MicroBlaster on top or along side of the workstation 3 Verify the MicroBlaster is connected to a dry air supply of 80 200 PSIG Bottled CO2 or nitrogen is recommended if dry air...

Page 21: ...ion Once you receive your MicroBlaster MB1005 check the contents of the shipping carton to make sure that you have received all of the items In addition to this manual and the Reference Sheet pictured on the previous page the standard Accessory Parts Kit is enclosed Note that two additional items a 040 tank orifice MB1409 40 and a 030 Hi Performance nozzle MB1520 30 green should already be install...

Page 22: ...oot switch is depressed Pressure Gage The Pressure Gage on the front of the unit indicates the air pressure in the abrasive tank Typically operating pressure selected for the process will be between 40 psig and 185 psig Powder Flow Control The Powder Flow Control knob controls the amount of clean abrasive free air that is mixed with the abrasive in the mixing chamber Turning the knob clockwise inc...

Page 23: ...sue Date September 2003 Figure 2 3 External Component Locations Abrasive Tank Powder Flow Control Air Pressure Control Handpiece Nozzle Pressure Gauge Power Switch FRONT VIEW REAR VIEW Quick Fill Flapper Valve Tank Cover Footswitch Cord Air Fitting Pinch Vent Hose ...

Page 24: ... length to the gas or air supply Additional tube or pipe fittings may be required in some instances and are available from the factory 4 Set the pressure of the air supply at the high pressure supply regulator or dryer cabinet to at least 80 PSI but not more than 200 PSI CAUTION MAXIMUM BLAST SETTING ON YOUR BLASTER Never operate any micro abrasive blaster with the air pressure regulator turned fu...

Page 25: ...le on the pressure gage is centered at 100 PSI Turning the knob clockwise raises the pressure Turning it counterclockwise lowers pressure although the gage will not show a drop until the next step when the footswitch is depressed 11 Firmly hold the nozzle inside the workstation or hood and step on the footswitch Air should immediately escape from the nozzle It should stop when the foot is lifted B...

Page 26: ...Section 2 Getting Started MicroBlaster MB1005 Comco Inc 2 10 Issue Date September 2003 THIS PAGE INTENTIONALLY BLANK ...

Page 27: ...omco Inc 3 1 Issue Date September 2003 Section 3 Using the MicroBlaster In This Section This section tells you what how to efficiently operate your MicroBlaster including Abrasive selection Orifice and Nozzle selection General operation of the MicroBlaster ...

Page 28: ... abrasive you can lightly clean soft materials or deburr machined metal parts Once the correct abrasive is chosen the remaining factors that affect the abrasive actions are the number of particles striking the work area the velocity of the particles and the angle of the blast These factors are controlled by the MicroBlaster through the following operator selections Tank Orifice Size Nozzle Size No...

Page 29: ...e abraded Nozzles hoses and fittings also wear out faster with higher pressures See the Air Pressure heading within this section The Distance between the nozzle and the work Up to a point the closer the nozzle gets to the work the faster the material will be removed beneath the nozzle A distance of about 5 8 times the nozzle diameter will generally remove the maximum material See the Nozzle Distan...

Page 30: ...erials with much more efficiency since it is less likely to shatter on impact Particle Size Choosing the abrasive material defines both hardness and sharpness so the only variable remaining is size Many different sizes of abrasive media are available for use with the MicroBlaster see Table 3 2 Particle sizes between 10 and 300 microns 800 75 grit work best Since the very small orifices in the Micr...

Page 31: ...e E Silicon Carbide 20 0 0008 10 40 The fastest cutting of the standard abrasives The best abrasive to deburr stainless steel and titanium parts Does not absorb moisture Dark gray or black in color F Silicon Carbide 50 0 002 30 80 G Sodium Bicarbonate 50 0 002 20 150 A very gentle abrasive good for very light cutting of soft materials Can be used to remove conformal coating from PCBs Water soluble...

Page 32: ...tting action Diameter in Area in2 Comco P N 0 018 2 5 X 10 4 MB1409 18 0 025 4 9 X 10 4 MB1409 25 0 030 7 1 X 10 4 MB1409 30 0 040 12 6 X 10 4 MB1409 40 0 060 28 3 X 10 4 MB1409 60 Some judgment is required in selecting an orifice A very small orifice should not be used with powders of large particle size Likewise a very large orifice may cause a small nozzle to plug from excessive powder in the l...

Page 33: ...onal Bypass Tube Table 3 3 Orifice Selection Chart Abrasive Particle Size Recommended Tank Orifice Average Particle Range Microns Micron Inch 10 0 0004 5 30 0 025 20 0 0008 10 40 0 025 25 0 001 15 45 0 025 50 0 002 30 80 0 025 150 0 006 65 200 0 030 200 0 008 80 300 0 040 250 0 010 150 300 0 060 Figure 3 1 Changing the Tank Orifice Rev 5 14 ...

Page 34: ...s may be obtained with much less trouble and at greater speed if a rectangular nozzle is used and properly oriented with respect to the cut As shipped from the factory the MB1005 has the 0 030 diameter Hi Performance nozzle installed in the handpiece This nozzle will provide the best cutting for general applications and will handle all of Comco s abrasives except walnut shells Nozzle Selection The...

Page 35: ...0 26 Orange 008x 020 0 2x0 5 046 018 025 10 25 Small Cuts 12 Blue 008x 040 0 2x1 0 074 018 025 10 50 Fan Small Cuts 19 Red 008x 060 0 2x1 5 095 018 025 10 50 Fan Medium Cuts 20 Silver 008x 080 0 2x2 0 120 018 025 10 50 Fan Medium Cuts 22 Olive 008x 125 0 2x3 1 175 018 040 10 50 Fan Large Cuts 23 Black 008x 150 0 2x3 8 195 018 040 10 50 Fan Large Cuts 32 Blue 012x 150 0 3x3 8 195 025 040 20 80 Larg...

Page 36: ... action increases as the nozzle is moved closer to the work surface it should be noted that the material removal rate reaches a maximum when the spacing between the nozzle tip and the work is about 5 8 times the nozzle opening diameter Moving the nozzle closer than this tends to start slowing the cutting rate as particles bounce back and collide with each other Also as the hole becomes deeper the ...

Page 37: ...ank incorporates a media concentration adjustment labeled Powder Flow on the front panel see Figure 3 4 This adjustment controls the amount of clean abrasive free air that is mixed with the outgoing abrasive airstream from the tank Turning the knob clockwise increases the media concentration As the knob is turned counterclockwise from the MAX position more and more clean air is added reducing the ...

Page 38: ... to use the MicroBlaster Before proceeding make sure you have Reviewed the safety precautions in the introductory selection of this manual Properly set up your MicroBlaster according to the procedures in Section 2 Selected the proper abrasive for your application Installed the proper tank orifice for the abrasive powder you are using Selected the proper nozzle for your application ...

Page 39: ...kit pour the selected abrasive powder into the tank filling it at least half full Do not overfill Tap the flapper as it closes so that any powder on it will be dislodged into the tank and not interfere with sealing of the O ring 4 Reposition hoses in the pinches by about 2 It should become a habit to move the hoses through the pinches on a regular basis This will allow the pinch to squeeze the hos...

Page 40: ... 14 Issue Date September 2003 Abrasive Tank Powder Flow Control Air Pressure Control Handpiece Nozzle Pressure Gauge Power Switch FRONT VIEW REAR VIEW Quick Fill Flapper Valve Tank Cover Footswitch Cord Air Fitting Pinch Vent Hose Figure 3 4 Controls and Indicators ...

Page 41: ...ace and firmly seat the nozzle finger tight The machine is initially equipped with a 0 030 diameter nozzle green which is suitable for most abrasives and cutting purposes 4 Make sure the handpiece is inserted into the workstation through one of the side openings Grasp it firmly as if it were a pencil aiming the tip of the nozzle at the work piece The tip should be about 1 4 to 1 2 away from the su...

Page 42: ...ration of abrasive media in the air stream This is adjustable using the powder flow adjustment knob on some models Turning the knob counterclockwise decreases the media concentration 11 When finished blasting you may shut down the MicroBlaster by pressing the Power switch to OFF The tank pressure will vent through the vent hose Note If the stop is only for a short period the power may be left on S...

Page 43: ...required see Section 4 6 Replace the tank cover Tighten lightly by hand to seat the O ring seal Note The tank cover is designed to self seal when the tank is pressurized Light hand tightening is all that is required when installing the tank cover Excessive tightening will lead to premature O ring and thread wear 7 Turn the Power ON to pressurize the unit Hold the handpiece and depress the footswit...

Page 44: ...Section 3 Using the MicroBlaster MicroBlaster MB1005 Comco Inc 3 18 Issue Date September 2003 THIS PAGE LEFT INTENTIONALLY BLANK ...

Page 45: ...nc 4 1 Issue Date September 2003 Section 4 Maintenance In This Section This section tells you how to maintain your MicroBlaster in peak operating condition including Maintenance intervals Extending the life of wear items Replacing worn out components ...

Page 46: ...ing any maintenance or repair task Unless specifically directed otherwise ALWAYS depressurize the unit and unplug it before removing the cover or doing any maintenance or repairs There may be sharp edges inside the cabinet which could cause injury to personnel or damage to components Observe all safety precautions provided within this manual Tools In addition to standard hand tools the following i...

Page 47: ... wear see directions in section 5 Hose Connectors Inspect hose connectors for wear Replace if necessary see description on following pages Entire Unit Inspect the power cord and footswitch cable Remove the cover and check for internal leaks see description on following pages Pinch Assemblies Inspect pinch assemblies for worn or inoperable parts NOTE With an abrasive machine wear to critical parts ...

Page 48: ...he handpiece abrasive hose between thumb and forefinger in the area where the pinch valve has been operating and along the first 2 3 inches adjacent to the fitting at the rear panel It should be evenly firm along its length without any soft spots Whenever a soft spot is detected the hose should be cut back to that point and reattached to the fitting See the procedures in Section 5 to repair or rep...

Page 49: ...pplications that include heavy use or very aggressive abrasives may require checking the modulator on a monthly basis In light use or mild abrasive applications inspection should be done every six months It is recommended to replace the modulator housing assembly every 2000 hours of operation which is approximately one year of normal operation See Section 5 for inspection and repair procedures Pin...

Page 50: ...signed to self seal when the tank is pressurized Light hand tightening is all that is required when installing the tank cover Excessive tightening will only lead to premature O ring wear Inspect the tank cover monthly for worn O rings and threads If the O rings become worn order the Comco O rings ST5624 Flapper and ST5022 Tank Tank Cover Threads As the tank cover is twisted on any abrasive trapped...

Page 51: ...t collector a workstation and an air dryer along with the MB1005 Optimum operation of the MB1005 is in many ways dependent upon proper operation of its auxiliary components Detailed operation and maintenance procedures for these units are contained in each individual unit s instruction manual Only basic maintenance concerns are mentioned here as part of an overall system maintenance plan Dust Coll...

Page 52: ...rized for long periods of time moisture can enter through the Quick Fill valve and contaminate the powder To prevent this form of contamination fill the tank with only the amount of abrasive you expect to use that day Only fill the tank at the beginning of the work shift Don t fill the tank and let it sit overnight The most common cause of moisture contamination however comes from the air compress...

Page 53: ...on tells you how to handle any problems that may occur with your MicroBlaster including What to look for if your MicroBlaster does not operate properly and how to determine the specific problem How to correct most problems that may develop with the MicroBlaster How to contact Comco s Customer Service Department How to order replacement parts for the MicroBlaster ...

Page 54: ...wo categories 1 No air flow Nothing happens when you depress the footswitch Neither air nor abrasive is expelled from the nozzle 2 No abrasive flow Air flows freely from the nozzle when the footswitch is depressed However there appears to be no abrasive in the air stream or it flows erratically The tables that follow address each of these conditions specifically Customer Service Comco s Customer S...

Page 55: ... state The machine model number and serial number The part number of the component you wish to order Providing this information will expedite your request and will also ensure that you receive the proper component for your unit Comco offers Repair Kit for its customers who prefer to do their own maintenance This kit contains the parts and instructions needed to keep your MicroBlaster in top condit...

Page 56: ...e indicate pressure in the system Verify that shop air pressure of 80 200 psig is supplied to the MicroBlaster Is the nozzle plugged Remove the nozzle and depress the footswitch If a blast of abrasive occurs the nozzle was plugged Tap it on the workbench back end down Discard the nozzle if it remains plugged If plugging recurs either the tank is releasing too much powder or the nozzle is too small...

Page 57: ...leading down to the orifice This is caused by damp powder or moisture in the air supply Check the air supply and the powder storage conditions Service the air dryer or install one Is the tank orifice plugged Remove the powder in the tank following normal procedures Remove the orifice and hold it up to the light If blocked clean with high pressure air or a small wire Is the tank orifice too small f...

Page 58: ...nozzle The Abrasive Blue Poly Hose refer to Appendix B Figure 8 An obviously worn or burst abrasive hose may be cut back slightly beyond the problem area in order to be reused If this cannot be done the hose should be replaced The entire abrasive hose handpiece assembly MB1083 3 can be replaced or individual pieces as necessary CAUTION Always use the proper hose when replacing a worn or damaged ab...

Page 59: ...hreads use a small amount of thread sealing compound or tape to insure leak free joints CAUTION Using improper fittings or fittings that have been improperly installed or assembled can present a hazard Hose Connector Replacement Procedure MB1455 1 Turn the Power OFF 2 At the rear panel of the MicroBlaster cut the hose approximately 3 from connector 3 Using a 7 16 open end wrench remove the old hos...

Page 60: ...plunger causing sharp edges that damage hoses Inspect the pinch tube and plunger for pitting and sharp edges every time you replace a hose Abnormal hose breakage always at the pinch is an indication of pinch tube or plunger damage Pinch Tube and Plunger Inspection 1 Turn off and unplug the MicroBlaster 2 Remove the hose from the connector and pull it through the pinch tube see replacement procedur...

Page 61: ...cording to the following procedure Pinch Assembly Replacement Procedure 1 Unplug the MicroBlaster and remove the cover 4 screws 2 Disconnect the solenoid wires from the electrical terminals and mark the terminals in order to replace the new connections correctly 3 Disconnect the air hose depending on the model you must unscrew the connector nut or push down and hold the red retaining ring and pull...

Page 62: ...tor hose fitting and detach the hose from the modulator 5 Using a 7 8 open end wrench remove the coil retaining nut from the modulator housing Slide the coil and 1 washer off the modulator housing Save the washer 6 With a 7 16 open end wrench across the two flats of the modulator nose remove the modulator nose from the stainless steel body 7 Examine the polyurethane seat cemented on the modulator ...

Page 63: ...croBlaster MB1005 Section 5 Trouble Shooting and Repair Comco Inc 5 11 Issue Date September 2003 Figure 5 1 Modulator Assembly and Modulator Housing Assembly MODULATOR ASSEMBLY MODULATOR HOUSING ASSEMBLY ...

Page 64: ...the 1 washer over the modulator housing and then slide the modulator coil over the modulator housing Make sure that the end of the coil with the wires attached is closest to the tank 14 Screw on the 7 8 coil retaining nut and tighten 15 Remove the hose connector nut from the modulator and slide it onto the air hose Slip the end of the air hose onto the modulator hose connector Tighten the nut with...

Page 65: ...move the nozzle Check it by holding the tip to a light A point of light should be visible through the tip Tap it on the workbench back end down to release the clog Discard the nozzle if it remains plugged If plugging recurs either the tank is releasing too much powder or the nozzle is too small for the powder Leaks Small leaks can increase air usage considerably and reduce the efficiency of the Mi...

Page 66: ... Assembly Replacement Procedure Refer to Appendix B Figure 11 or contact Comco for part number 1 Turn Power OFF 2 Remove the MicroBlaster cover 4 screws 3 Using a 7 16 open end wrench remove the hose connector nuts and hoses from the regulator assembly You may want to label each air hose before removing 4 Remove the retaining nut from the front of the regulator 5 Pull the regulator assembly back i...

Page 67: ... cover is tightened onto the tank an O ring on the clutch meets the top of the tank creates a seal and causes the Clutch Plate to stop turning This action prevents the O ring from undergoing unnecessary twisting thereby increasing the life of the O ring In order to prevent premature O ring wear the Clutch Plate must float freely inside the cover If the Clutch Plate does not move freely the cause m...

Page 68: ...th to press it in Replacement Parts Lists Lists of MB1005 replacement parts accessories and supplies are provided in this manual as follows Items Location Accessories A listing of all components in the accessory kit Section 2 Getting Started and Appendix A Parts Lists Supplies Lists of abrasives nozzles and tank orifices Section 3 Using the MicroBlaster MB1005 Recommended Spare Parts List of norma...

Page 69: ...er MB1005 Section 6 Optional Equipment Comco Inc 6 1 Issue Date September 2003 Section 6 Optional Equipment In This Section Optional equipment available on your MicroBlaster Operation and service of these options ...

Page 70: ...Section 6 Optional Equipment MicroBlaster MB1005 Comco Inc 6 2 Issue Date September 2003 THIS PAGE LEFT INTENTIONALLY BLANK ...

Page 71: ...MicroBlaster MB1005 Appendix A Assemblies Components and Parts Comco Inc A 1 Issue Date September 2003 Appendix A Parts Lists for the MicroBlaster MB1005 ...

Page 72: ...andard MicroBlaster 1 MB1489 1 2 Pinch Vent Assy 1 MB1050 2 Plunger Pinch 1 MB1282 Tube Pinch 1 MB1384 1 Bracket Valve 1 ST4003 Vent Breather 2 ST4010 Elbow 1 4T x 1 8P 1 ST4012 Tube 1 4 OD x 040 Wall 1 ST4144 Elbow 1 4T 1 8MPT 2 ST6081 Cylinder 1 1 16 1 ST6277 1 2 Valve 3 Way NC 1 MB1198 3 3 Valve Air Assy 115VAC 1 ST6013 1 3 Valve Sol 2 way N C 115V 1 ST4006 Connector 1 4T x 1 8P 1 ST4010 Elbow ...

Page 73: ...y 1 MB1482 Body Modulator MB 1 ST4006 Connector 1 4T x 1 8P 1 MB1287 Yoke Coil 1 MB1310 1 3 Coil Modulator 115V 1 ST1006 Nut 9 16 18 1 ST1021 Washer Steel 9 16 x 1 3 8 1 MB1300 5 4 Pinch Abrasive Assy 115VAC 1 MB1050 2 Plunger Pinch 1 MB1282 Tube Pinch 1 MB1384 1 Bracket Pinch 1 ST4003 Vent Breather 2 ST4010 Elbow 1 4T x 1 8P 1 ST6003 1 4 Valve Sol 3 way 115V 1 ST6231 Valve Flow Control 1 ST6081 C...

Page 74: ...8P x 1 1 4 Lg 1 ST6147 Regulator 0 125 psi 1 ST4246 Elbow 90 Union 1 8FPT 1 MB1396 Knob Assy 1 MB1397 1 Powder Adjustment Assy 1 MB1402 13 Cabinet Assy 1 MB1227 1 5 Socket Neon 115VAC 1 MB1229 Diode Rectifier 2 ST7003 Switch Toggle DPST 1 ST7004 Lamp Neon 1 ST7005 Holder Fuse 1 ST7007 7 Conn Block Terminal 1 ST7015 Footswitch SPST 1 ST7016 5 Cord Power 115VAC 1 ST4012 Tube plastic 1 4 A R ST7625 0...

Page 75: ...cme Thd 1 ST4004 Ell Street 1 8P 1 MB1455 Connector Quicknut 2 ST4010 Elbow 1 ST4107 Tee 1 4P 1 ST4110 Nipple 1 8P x 2 1 2 Lg 1 ST4130 Elbow Street 0 125 45 2 ST4131 Cross 1 ST6091 Relief valve 50 300 1 MB1407 2 Gage Air Pressure 0 200 psi 1 MB1520 30 Hi Performance Nozzle 030 Green 1 ST5020 O ring Nozzle 1 ST5465 4 Pin Spring 0 062 x 0 250 1 Non standard parts See individual part drawings Appendi...

Page 76: ... 30 Hi Performance Nozzle 030 Green 1 MB1520 46 Hi Performance Nozzle 046 Yellow 1 MB1409 25 Orifice Tank 025 1 MB1233 Tube Abrasive Poly 6 ft ST4005 Bushing 250T x 125P Brs 1 ST4166 Connector 1 4T x 1 8P 1 ST4012 Tube Plastic 1 4 6 ft ST5066 Funnel Abrasive 1 ST7625 010 Fuse 1 Amp 2 Kit for 230V machines is MB1089 2 Fuse is ST7625 005 Nut Driver ST5114 is added Rev 8 11 ...

Page 77: ... NUMBER DESCRIPTION QTY MB1456 3 Extender Tank Kit 5 Acme Thd Opt MB1456 4 Extender Tank Kit 10 Acme Thd Opt MB1409 18 Orifice Tank 018 Opt MB1409 30 Orifice Tank 030 Opt MB1409 46 Orifice Tank 046 Opt MB1500 10 etc Nozzles Standard Various Opt See Section 3 MB1520 30 etc Nozzles Hi Performance Opt See Section 3 Rev 12 11 ...

Page 78: ...N QTY MB1409 x Orifice Tank 2 MB1500 x Nozzle 4 MB1301 2 Housing Assy Modulator 2 MB1560 Filter Check Valve Assy 1 MB1233 Abrasive Hose 25 ft MB1230 1 Handpiece Nose 1 MB1455 Connector Quicknut 4 ST5022 O ring Cover Seal 1 ST5624 O ring Flapper Seal 1 Orifice and Nozzle sizes are determined by application requirements Refer to Section 3 for details Rev 4 08 ...

Page 79: ...MicroBlaster MB1005 Appendix B Drawings and Schematics Comco Inc B 1 Issue Date September 2003 Appendix B Drawings and Schematics for the MicroBlaster MB1005 ...

Page 80: ...c MB1005 CE B 7 Figure 5 P N MB1568 Tank Cover Assembly B 8 Figure 6 P N MB1404 14 Abrasive Tank Assembly B 9 Figure 7 P N MB1290 7 8 Modulator Assembly B 10 Figure 8 P N MB1083 3 Handpiece Assembly B 11 Figure 9 P N MB1489 1 Vent Pinch Assembly B 12 Figure 10 P N MB1300 5 6 Abrasive Pinch Assembly B 13 Figure 11 P N MB1339 3 Air Pressure Regulator B 14 Figure 12 P N MB1198 3 4 Air Valve Assembly ...

Page 81: ...MODEL MB1005 Item No Description Part Item No Description Part 1 2 3 4 5 Tank Cover Nozzle Handpiece Knob Assy Powder Adj Assy Air Pressure Reg MB1568 MB1083 3 MB1396 MB1397 1 1 6 7 8 9 Abrasive Tank Gage 2 5 0 200 3 Power Switch Indicator Lamp 1 MB1407 2 ST7003 ST7004 1 See individual Part Drawing for Part Numbers ...

Page 82: ...ass Tube Vent Pinch Assy Air Valve Abrasive Hose Modulator Abrasive Pinch Assy Block Terminal 1 MB1025 5 2 2 MB1233 2 2 ST7007 7 9 10 11 12 13 14 15 16 Diode Assy Abrasive Tank Tube Plastic Socket Neon Fuse Holder Footswitch Power Cord Quicknut Conn MB1229 2 ST4012 MB1227 1 ST7005 ST7015 ST7016 MB1455 1 Tank Orifice size may be changed Refer to Section 3 of the Manual 2 See individual Part Drawing...

Page 83: ...MicroBlaster MB1005 Appendix B Drawings and Schematics Comco Inc B 5 Issue Date September 2003 FIGURE 3 PNEUMATIC SCHEMATIC MODEL MB1005 ...

Page 84: ...Appendix B Drawings and Schematics MicroBlaster MB1005 Comco Inc B 6 Issue Date September 2003 FIGURE 4A ELECTRICAL SCHEMATIC MODEL MB1005 ...

Page 85: ...MicroBlaster MB1005 Appendix B Drawings and Schematics Comco Inc B 7 Issue Date September 2003 FIGURE 4A ELECTRICAL SCHEMATIC MODEL MB1005 ...

Page 86: ...Schematics MicroBlaster MB1005 Comco Inc B 8 Issue Date September 2003 FIGURE 5 P N MB1568 TANK COVER ASSEMBLY Item No Description Part No Qty 1 2 3 Flapper Assy O ring Cover Seal O ring Flapper Seal MB1145 ST5022 ST5624 1 1 1 ...

Page 87: ... Section 3 2 Powder Tank Assmbly MB1404 14 has Acme style tank cover threads Item No Description Part No Qty Item No Description Part No Qty 1 2 3 4 5 Tube Bypass Orifice Tank Ell Street 1 8P Quicknut Conn Ell Male 1 4T 1 8P MB1025 5 1 ST4004 MB1455 ST4010 1 1 1 2 1 6 7 8 9 10 Nipple 125 x 2 4 Brs Cross 12 FNPT Elbow St 125P 45 Tee Male 1 8 Valve Press Relief ST4110 ST4131 ST4130 ST4107 ST6091 1 1...

Page 88: ... 1 2 3 4 5 Mod Housing Assy Modulator Coil 3 Modulator Core 2 Modulator Nose Assy 2 Body Modulator 2 MB1301 2 MB1310 1 MB1294 MB1307 MB1482 1 1 1 1 1 6 7 8 9 10 Conn M 1 4T 1 8P 2 Nut Hx Stl 9 16 18 Washer Flat 9 16 Yoke Coil Term Fork Crimp ST4006 ST1006 ST1021 MB1287 ST7010 1 1 1 1 1 2 1 MB1290 7 is 115V MB1290 8 is 230V 2 Items 3 4 5 6 are part of item 1 3 MB1310 1 is 115V Coil MB1310 2 is 230V...

Page 89: ...3 3 HANDPIECE ASSEMBLY Item No Description Part No Item No Description Part No 1 2 3 4 Handpiece Tube Handpiece Nose Abrasive Hose Abrasive Nozzle MB1012 6 1 MB1230 1 1 MB1233 1 MB15xx as req d 5 6 7 Quicknut Connector Ref Grommet Rubber Ref O ring ST4019 ST5010 ST5020 1 MB1083 3 includes items 1 2 3 only Rev 1 04 ...

Page 90: ...s 115V MB1489 2 is 230V 2 ST6277 1 is 115V Valve ST6277 2 is 230V Valve Item No Description Part No Item No Description Part No 1 2 3 4 5 Tube Pinch Plunger Pinch Bracket Pinch Vent Breather Elbow 1 4T x 1 8P MB1282 MB1050 2 MB1384 2 ST4003 ST4010 6 7 8 9 Tube Tx 040Wall Cylinder ø1 06x1S Elbow Tx1 8MPT Valve 3 Way NC 2 ST4010 ST6081 ST4144 ST6277 1 ...

Page 91: ...ty Item No Description Part No Qty 1 2 3 4 5 Plunger Pinch Bracket Pinch Tube Pinch Vent Breather Elbow 1 4T x 1 8P MB1050 2 MB1384 1 MB1282 ST4003 ST4144 1 1 1 2 1 6 7 8 9 10 Tube 250 x 040 Valve Sol 115V 2 Valve FC w Elbow Cylinder 1 1 8 Ell Male 1 4T x 1 8P ST4012 ST6003 1 ST6231 ST6081 ST4010 4 5 1 1 1 1 1 MB1300 5 is 115V MB1300 6 is 230V 2 For 230V Use Valve ST6003 5 ...

Page 92: ...art No Qty 1 2 3 4 5 6 Press Reg 0 185PSI Filter Check Valve Connector 1 4Tx1 8NPT Elbow 1 4T x 1 8 NPT Nipple Close Hex 1 8P Elbow Street 1 8 NPT MB1406 MB1560 ST4006 ST4010 ST4007 ST4004 1 1 3 1 1 1 7 8 9 10 11 12 Tee 1 8 NPT Brs Nipple 1 8 NPT x1 25 Press Reg 0 125PSI Nipple Close 1 8 NPT Elbow Union 1 8 NPT Tee Male 1 4Tx1 8NPT ST4036 ST4050 ST6147 ST4049 ST4246 ST4018 1 1 1 1 1 1 Rev 3 05 ...

Page 93: ...N MB1198 3 1 4 AIR VALVE ASSEMBLY Item No Description Part No Qty 1 2 3 4 5 6 Elbow Male 1 4T x 1 8P Conn Male 1 4T x 1 8P Nipple Close 125 Valve Sol 115V 2 Term For Crimp Coupling 125P ST4010 ST4006 ST4049 ST6013 1 ST7010 1 ST4029 1 1 1 1 2 1 1 MB1198 3 is 115V MB1198 4 is 230V 2 For 230V use valve ST6013 5 ...

Page 94: ...R KIT 1 Optional Item No Description Part No 1 2 Tank Extender 5 Acme Thd 2 Bypass Tube 10 MB1090 3 3 1 5 Tank Extender Kit is shown 10 Tank Extender Kit is P N MB1456 4 MB1456 3 and MB1456 4 Extender Kits have Acme style tank cover threads 2 10 Tank Extender Acme Thd is P N MB1090 4 3 Bypass Tube is part of Tank Extender Assembly ...

Page 95: ...MicroBlaster MB1005 Appendix C Workstations Comco Inc C 1 Issue Date September 2003 Appendix C Workstations ...

Page 96: ... of parts Two 5 arm holes with flexible rubber iris baffles permit access so that an operator may hold work with one hand and a nozzle handpiece with the other The workstation has a 4 dust exhaust connection at the rear so that a high capacity dust collection unit may be used to keep the abrasive dust completely controlled The Comco WS2200 and WS6000 WorkStations are designed to work as part of a ...

Page 97: ...he risk of sparks from static electricity Flammable powders such as wheat starch walnut shell and plastic may pose a fire or explosion hazard Some powders if allowed to collect inside the machine may cause electrical shorts If sensitive to powder or dust on the skin wear gloves in the workstation Workstation Set Up and Operation Installation 1 Remove the workstation from its shipping container and...

Page 98: ...he instructions in sections 2 and 3 of this manual CAUTION Never point the nozzle in the direction of the glass window The abrasive stream will etch the glass reducing operator visibility and requiring premature replacement of the workstation window 2 Turn the Power OFF when the workstation is not in use Common Problems Causes and Solutions Light won t illuminate Fluorescent lamps burned out Powde...

Page 99: ...6006 6 Switch ST7003 ST7003 ST7003 ST7003 ST7977 7 Ballast 115 230V 3 ST7997 1 ST7997 1 ST7997 1 ST7997 1 ST7997 1 8 Lamp 4 ST7164 ST7164 ST7164 1 ST7164 1 ST7164 2 9 Mat WS1136 WS2027 WS2255 2 WS2254 WS6007 10 Tube Grip Bulkhead 5 ST5640 3 ST5640 3 ST5640 3 ST5640 3 ST5640 3 1 Workstations with 5 8 dia holes in panels use Grommet P N ST5311 2 Older workstations S N below 4460 use 4 Iris P N WS202...

Page 100: ...tember 2003 WS2200 series Classic WorkStation 115 or 230V For 230V CE compliant workstations see below For workstations equipped with ESD controls see page 7 WS2200 series Classic WorkStation 230V CE Compliant For workstations equipped with ESD controls see page 7 Rev 10 07 ...

Page 101: ...stations Comco Inc C 7 Issue Date September 2003 WS2200 series Classic WorkStation with ESD Controls 115 or 230V For 230V CE compliant workstation see below WS2200 series Classic WorkStation with ESD Controls 230V CE Compliant Rev 10 07 ...

Page 102: ...MicroBlaster MB1005 Comco Inc C 8 Issue Date September 2003 WS6000 series ClearView WorkStation 115 or 230V For 230V CE compliant ClearView WorkStation see below WS6000 series ClearView WorkStation 230V CE Compliant Rev 10 07 ...

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