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1. can lead to serious or fatal disease silicosis asbestosis lead or other poisoning e ALWAYS wear NIOSH approved supplied air respirators as required by OSHA in the presence of any dust including but not limited to handling or loading abrasive blasting or working in the vicinity of blast jobs and cleanup of expended abrasive Prior to removing respirator an air monitoring instrument should be used to determine when surrounding atmosphere is clear of dust and safe to breathe PREFACE e NIOSH approved supplied air respirators are to be worn ONLY in atmospheres e NOT IMMEDIATELY dangerous to life or health and e from which a user can escape WITHOUT using the respirator e Clemco supplied air respirators DO NOT REMOVE OR PROTECT AGAINST CARBON MONOXIDE CO OR ANY OTHER TOXIC GAS Carbon monoxide and toxic gas removal and or monitoring device must be used in conjunction with respirator to insure safe breathing air e Air supplied to respirator MUST BE AT LEAST GRADE D QUALITY as described in Compressed Gas Association Commodity Specification G 7 1 and as specified by OSHA Regulation 1910 139 d e ALWAYS locate compressors to prevent contaminated air such as CO from engine exhaust from entering the air intake system A suitable in line air purifying sorbent bed and filter or CO Monitor should be installed to assure breathing air quality e ALWAYS use a NIOSH approved breathing air hose to connect an appropriate
2. 25 11203 2005 CLEMCO INDUSTRIES CORP e www clemcoindustries com e Manual No 06160 CLASSIC BLAST MACHINE with MANUAL CONTROLS 7 2 Item mo 10 Blast Machine and Accessories Figure 5 Description Stock No Ball valve with handle TCN NP EEN 02396 1 1 4 INCH NPT eener 02397 Handle T Dall Vale ee egd Hee Erd 22531 1 1 4 ball vahye 22532 Pop up valve 4 with external sleeve 03699 Internal pop up guide toe nipple for 2 and 3 cu ft 1 1 4 X 6 1 2 oo eeecceeeteees 01754 6 CU ft DN WE AW 01753 Adaptor male NPT x male JIC El TE 11720 PE CT RE 22529 Pusher line coupled 1 ID x 21 2 cu ft machine 22508 1 ID x 28 long 3 cu ft amp amer 23673 1 1 4 ID x 28 long 3 cu ft amp larger 23674 1 x 19 long Lo Pot machines 066 24167 1 1 4 x 19 long Lo Pot machines 24168 Coupling 1 1 4 CF oe ceecseseteeeeeeteeeeneens 00551 Wye 1 1 4 standard cccccccsesceeeseeseees 01818 Leg pad right for 1 5 cu ft 3 cu ft and 6 cu ft machine 03654 2 CU ft machine eeececeeeeseetecneeeseeseeteeeeees 20735 Leg pad left for 1 5 cu ft 3 cu ft and 6 cu ft machine 03655 2 CU ft MACHING peesresior otetta 20736 Page 12 11 Metering valve FSV W we 02427 12 Gasket CQG coupling package of 10 00850 13 Wheel and tire 10 x 2 75 for 2 cu ft 20349 14 Axle 2 cu ft 10 Wheel 0 0 e
3. Compressor hp Air cfm Abrasive lbs hr Compressor hp Air cfm Abrasive lbs hr Compressor hp 100 20 123 5 45 264 10 81 494 18 137 812 31 196 1152 44 254 1584 57 338 2024 75 125 25 152 5 5 55 319 12 98 608 22 168 982 37 237 1393 52 314 1931 69 409 2459 90 140 28 169 6 5 61 353 14 108 676 24 186 1085 42 263 1538 59 347 2138 77 452 2718 101 For nozzle sizes 3 8 to 1 2 blast machines should be equipped with 1 1 4 or larger piping and inlet valve to prevent pressure loss Air requirements were measured by a flow meter under actual blasting conditions and are therefore lower than figures for air alone with no abrasive Horsepower requirements are based on 4 5 cfm per horsepower Figures are for reference only and may vary for different working conditions Several variables including metering valve adjustments can affect abrasive flow Figures show approximate compressed air and abrasive consumption when nozzles are new Consumption will increase as the nozzle wears 3 2 5 Make sure the choke valve is open handle in line with the piping A WARNING This machine is NOT equipped with remote controls Do not use the machine without OSHA required remote controls if a blast operator is controlling the nozzle Contact a Clemco distributor for a compatible remote control system Ignoring this warning places the operator at risk of severe injury or
4. balance Sudden weight shifts when the machine is tilted on an incline and slipping or tripping while moving the machine will cause the operator to lose control of the machine causing severe injury and property damage 3 1 2 2 Move the machine by pushing it in a forward direction Do not back up while moving the machine as potential tripping hazards cannot be seen 3 1 2 3 The Clemco Mule Stock No 20331 is designed to assist in moving empty 1 5 cu ft to 6 cu ft capacity Clemco blast machines Contact a Clemco Distributor for additional information 3 2 Set Up for Operation 3 2 1 Locate the compressor upwind from the blasting operation to prevent contaminated air from entering the compressor intake 3 2 2 Connect an air line from the compressor to the air supply hose connector installed on the blast machine inlet For best blasting performance use 1 1 4 ID or larger air line when using up to a 5 16 orifice nozzle 1 1 2 or larger when using a 3 8 nozzle and 2 or larger when using up to a 1 2 nozzle See the compressed air and abrasive consumption table in Figure 4 for approximate air consumption 3 2 3 Make sure the coupling gaskets are in place and in good condition before connecting the blast hose to the quick coupling on the blast machine Use safety lock pins or safety wire to lock the couplings together to prevent accidental separation during blasting 3 2 4 Make sure that all compressed air supply hose con
5. be used with machines fitted with an optional Quantum or manual pinch tube metering valve See optional valves in Section 7 2 Shot applications may require the use of a pneumatically operated metering valve such as the Sentinel or Auto Quantum to prevent surging at startup 1 4 6 Silicon Carbide Aluminum Oxide and Garnet These are the most aggressive high volume abrasive in the blasting industry Aggressive abrasive such as these may be used but the service life will be reduced on any equipment components which come in contact with the abrasive To avoid unscheduled down time periodically inspect hoses and nozzle for abrasive wear Use a nozzle lined with boron carbide with these abrasives 1 4 7 Glass Bead Most beads are treated to ensure free flow operation even under moderately high humidity conditions Glass beads subjected to excessive moisture may be reused after thorough drying and breaking up any lumps Clean dry air is a necessary Glass bead applications may require the use of a pneumatically operated metering valve such as the Sentinel or Auto Quantum to prevent surging at startup 1 4 8 Lightweight Abrasive Periodic use of plastic media and most agricultural media is okay Exclusive use of plastic or other lightweight media may require a blast machine with a 60 conical bottom Page 3 2 0 INITIAL SET UP 2 1 Storage Hopper 2 1 1 When a storage hopper is installed above the blast machine an umbrella m
6. compressed air off and the air supply locked out and tagged out 5 4 2 Remove the old seal using fingers screwdriver or similar object to work the seal out of the retaining groove 5 4 3 Push the new seal all the way through the port and then fit it into the retaining groove For the last few inches pull up on the seal and allow it to pop into position 5 5 Exhaust Muffler Figure 7 A WARNING Service the muffler and replace the element body as soon as the time it takes to depressurize the blast machine increases noticeably Longer depressurization time indicates the porous element body is becoming clogged If the element becomes plugged excessive air pressure could build up inside the element and cause it to burst which could result in injury 5 5 1 All service on the muffler must be done with the compressed air off and the air supply locked out and tagged out Page 10 5 5 2 Using a pipe wrench remove the muffler assembly from the exhaust elbow by unscrewing the 1 pipe guide 5 5 3 Remove the three lock nuts and screws and separate all parts 5 5 4 Inspect for wear Replace parts that show signs of wear Replace the cap if the urethane coating is worn Always replace the element body 5 5 5 Ensure that the guide nut is fastened tightly to the guide A WARNING Replace the guide and guide nut if the nut is not tightly fused to the guide A loose fitting nut could work off the guide permitting
7. death from accidents that could occur from an uncontrolled blast nozzle Figure 2 3 2 6 Make sure the ventilation system is running the nozzle fixture is secure and the blasting area is contained 3 2 7 Close the inlet valve handle perpendicular to the valve 3 2 8 Make sure the outlet valve open handle in line with the piping 3 2 9 Close the abrasive metering valve The closed position for the FSV and Lo Pot valve are when the handle is all the way to either side of center The optional manual PVR grit valve and Quantum metering valves are closed when the metering knob is turned fully clockwise 2005 CLEMCO INDUSTRIES CORP e www clemcoindustries com e Manual No 06160 CLASSIC BLAST MACHINE with MANUAL CONTROLS 3 2 10 Close the air valve on the compressor Start the compressor and bring it to operating temperature and pressure The pressure must be more than 40 psi but must not exceed the blast machine s rated pressure 3 2 11 Slowly open the compressor air valve to pressurize the air supply line Listen for noise that indicates any open lines or leaks 3 2 12 Load abrasive into the machine by following the instructions in Section 3 6 3 2 13 No one is allowed within 10 feet of the blast machine except machine tenders who are appropriately fitted with approved protective equipment A WARNING All persons except for the machine tender must stay clear of the blast machine The blast operator may
8. pressurize or depressurize the machine at any time The noise generated by the sudden release of compressed air when the machine is pressurized or depressurized may startle bystanders and may vent abrasive under pressure Either condition could result in injury The machine tender must wear a suitable approved respirator plus approved eye face and hearing protection 3 3 Blasting 3 3 1 Verify that the blast nozzle is secure and directed only at objects intended to be blast cleaned 3 3 2 The machine tender closes the outlet valve and while standing back and facing away from the concave filling head opens the inlet valve This action causes the pop up valve to seal off the filling port and the machine will pressurize 3 3 3 If the abrasive metering valve is closed as instructed in 3 2 9 only air will exit the nozzle A WARNING Do not leave the machine unattended If an emergency occurs such as a burst in the blast hose shut down the machine immediately 3 4 Adjusting Abrasive Flow NOTE The following instructions explain the adjustment of an FSV metering valve Valves with knobs are adjusted by turning the knob clockwise for less abrasive or Page 6 counterclockwise for more abrasive Separate manuals are provided with optional valves 3 4 1 Abrasive flow is adjusted at the metering valve located at the bottom of the blast machine 3 4 2 Begin with the metering valve closed Closed for the FSV and Lo P
9. the blast machine could weaken the vessel Compressed air pressure could cause a weakened blast machine to rupture resulting in death or serious injury Welding grinding or drilling on the blast machine vessel without a National Board R stamp voids the ASME and National Board certification 2005 CLEMCO INDUSTRIES CORP e www clemcoindustries com e Manual No 06160 CLASSIC BLAST MACHINE with MANUAL CONTROLS Concave Filling Head E Outlet Valve l Muffler Choke Valve shown open Page 2 Optional Cover XA Optional Screen Optional Umbrella Pop up Valve A Pop up Seal x LA Pop up Guide Inspection Door A Hose Safety Cable Es optional accessory SE Lock Pin Leg Pad option Wheel Option Optional Quantum Manual Metering Valve 1 3 4 All welding repairs done on the vessel must be performed by certified welders at shops holding a National Board R Stamp Welding performed by any welder not properly qualified per the ASME Code voids ASME and National Board certification of the vessel 1 3 5 The blast machine s pressure rating psi is stamped into the National Board Label which is welded onto the side of the vessel Do not exceed the rated pressure A WARNING Excessive compressed air pressure could cause a blast machine to rupture To prevent serious injury or death do not exceed the rated pressure of the blast machine vessel 1 3 6 OSHA does not require pressure relief va
10. the muffler assembly to launch under pressure and cause severe injury 5 5 6 Clean parts to be reused with a non caustic solvent or detergent and dry thoroughly 5 5 7 Reassemble taking care to correctly insert the screws in the seat plate The screw holes are the three closest to the center See the illustration in Figure 7 5 5 8 Firmly tighten the lock nuts 5 5 9 Use a pipe wrench to attach the muffler assembly to the exhaust elbow In its final position the muffler must face up A WARNING When installed on the machine the muffler must face up The muffler reduces exhaust noise and prevents abrasive from exhausting upward or sideways when the blast machine is depressurized To reduce risk of injury from abrasive carried by high velocity air the muffler must be installed with the body facing up 2005 CLEMCO INDUSTRIES CORP e www clemcoindustries com e Manual No 06160 CLASSIC BLAST MACHINE with MANUAL CONTROLS 6 0 TROUBLESHOOTING NOTE This section only identifies conditions and problems in the blast machine Always refer to the appropriate section of this manual or manuals for accessory equipment before servicing the equipment A WARNING To avoid serious injury when troubleshooting the machine turn off the compressed air and lock out and tag out the air supply 6 1 Neither Abrasive Nor Air Comes Out of the Nozzle While the Machine is Under Pressure 6 1 1 Depressurize the blast machine Af
11. CLASSIC BLAST MACHINE WITH MANUAL CONTROLS O M 06160 MC FILE NUMBER 044 0674 DATE OF ISSUE 06 01 73 REVISION L 06 05 A WARNING Do not proceed with these instructions until you have READ the preface of this MANUAL and YOU UNDERSTAND its contents These WARNINGS are included for the health and safety of the operator and those in 2005 CLEMCO INDUSTRIES CORP n a a sath oe One Cable Car Dr the immediate vicinity Washington MO 63090 Phone 636 239 4300 Keep this manual for Email into clemcoindustries com future reference FAX 800 726 7559 www clemcoindustries com PREFACE A WARNING Read and follow ALL instructions before using this equipment Failure to comply with ALL instructions can result in serious injury or death In the event that the user or any assistants of the user of this equipment cannot read or cannot completely understand the warnings and information contained in these instructions the employer of the user and his assistants must thoroughly educate and train them on the proper operation and safety procedures of this equipment NOTICE TO PURCHASERS AND USERS OF OUR PRODUCTS AND THIS INFORMATIONAL MATERIAL The products described in this material and the information relating to those products is intended for knowledgeable experienced users of abrasive blasting equipment No representation is intended or made as to the suitability of the products described herein for any parti
12. IALS due to the presence of silica cyanide arsenic or other toxins in the abrasive or materials present in the surface to be blasted such as lead or heavy metals in coatings The environment may also include fumes that may be present from adjacent coatings application contaminated water engine exhaust chemicals and asbestos The work area may include PHYSICAL HAZARDS such as an uneven work surface poor visibility excess noise and electrical hazards The operator MUST consult with his employer on the identification of potential hazards and the appropriate measures that MUST be taken to protect the blaster and others that might be exposed to these hazards ALL machines components and accessories MUST be installed tested operated and maintained only by trained knowledgeable experienced users DO NOT modify or substitute any Clemco parts with other types or brands of equipment Unauthorized modification and parts substitution on supplied air respirators is a violation of OSHA regulations and voids the NIOSH approval OPERATIONAL INSTRUCTIONS A WARNING Blast operators and others working in the vicinity of abrasive blasting must always wear properly maintained NIOSH approved respiratory protection appropriate for the job site hazards DO NOT USE abrasives containing more than one percent crystalline free silica Ref NIOSH Alert 92 102 Inhalation of toxic dust crystalline silica asbestos lead paint and other toxins
13. IC BLAST MACHINE with MANUAL CONTROLS e Check that the nozzle holding fixture is secure 4 1 2 During blasting inspect the following e Inspect all couplings and coupling gaskets for leaks e Check the blast machine for leaks If leaks are found around the pop up valve inspection door or pipe fittings at the bottom of the cone stop blasting immediately and repair or replace worn parts If leaks are allowed to continue abrasive erosion could cause irreparable damage to the blast machine e Check all external piping control hoses and valves for leaks If leaks are found stop blasting and repair e Inspect blast hose couplings and nozzle holders for leaks At the first sign of a leak stop blasting and inspect all items for wear A WARNING Leaks around couplings and nozzle holders indicate worn or loose fitting parts Nozzle holders and couplings that do not fit tight on hose and nozzles that do not fit tight in nozzle holders could disconnect while under pressure Impact from nozzles couplings hoses or abrasive from parts disconnected by pressure during operation could cause severe injury 4 2 Weekly Inspection 4 2 1 With the air off before blasting inspect the following e Remove the nozzle for inspection Replace if the diameter is worn 1 16 or more or if the liner is cracked e When a moisture separator is used inspect the filter element and clean the bowl 4 2 2 During blasting inspect the follo
14. NEVER use welding hose in place of twinline control hose The internal diameter and rubber composition are UNSAFE for remote control use e UNLESS OTHERWISE SPECIFIED maximum working pressure of blast machines and related components MUST NOT exceed National Board approved 125 psig 8 5 BAR e NEVER weld on blast machine Welding may affect dimensional integrity of steel wall and WILL VOID National Board approval e Point nozzle ONLY at structure being blasted High velocity abrasive particles WILL inflict serious injury Keep unprotected workers OUT of blast area e NEVER attempt to manually move blast machine when it contains abrasive EMPTY machines up to 6 cu ft 270kg capacity are designed to be moved e on flat smooth surfaces by AT LEAST two people e with the Clemco Mule or e with other specially designed machine moving devices e Larger empty blast machines or ANY blast machine containing abrasive MUST be transported by mechanical lifting equipment AIR HOSE BLAST HOSE COUPLINGS AND NOZZLE HOLDERS e Air hose air hose fittings and connectors at compressors and blast machines MUST be FOUR times the size of the nozzle orifice Air hose lengths MUST be kept as short as possible AND in a straight line Inspect DAILY and repair leakage IMMEDIATELY e Bast hose inside diameter MUST be THREE to FOUR times the size of the nozzle orifice AVOID sharp bends that wear out hose rapidly Use SHORTEST hose lengths po
15. RCA PIN ossein 20245 Figure 6 2005 CLEMCO INDUSTRIES CORP e www clemcoindustries com e Manual No 06160 CLASSIC BLAST MACHINE with MANUAL CONTROLS Page 14 7 4 Exhaust Muffler Figure 7 Item Description Stock No Muffler complete A 05068 1 Screw 8 32 X 4 ooo cccccccccccceseceseseeeeeeeeees 05061 2 Cap coated eetuetegekeet deele ieeeb steisst de 05067 3 Body element 0 eeeeeeeeeeceeeeeeeeeeeeeneees 05065 4 ele EE 05060 5 Guide wi guide nut eseese 22344 6 O ring 1 1 4 ID een 05069 7 EE EE coheed atc Recah 05062 8 Lock nut 8 32 stainless steel 05815 Figure 7 2005 CLEMCO INDUSTRIES CORP e www clemcoindustries com e Manual No 06160
16. WAYS USE CO MONITOR ALARM L 5 ASME CODED BLAST MACHINE sized to hold 1 2 hour abrasive supply ALWAYS ground machine to eliminate static electricity hazard Examine pop up valve for alignment Blast machine MUST be fitted with a screen to keep out foreign objects and a cover to prevent entry of moisture overnight L 6 AIR LINE FILTER installed AS CLOSE AS POSSIBLE to machine inlet Sized to match inlet piping or larger air supply line Clean filter DAILY Drain OFTEN L 7 REMOTE CONTROLS MUST be in PERFECT operating condition ONLY use APPROVED spare parts including twin line hose DAILY test system operation and check button bumper and spring action of lever and lever lock DO NOT USE WELDING HOSE 1 Air Compressor 2 Breathing Air Compressor or 3 NIOSH Approved 2 Ambient Air Pump Eo for low pressure N respirator d i 4 CPF Air Filter TT 8 BLAST HOSE with ID 3 to 4 times the nozzle orifice Lines MUST be run AS STRAIGHT AS POSSIBLE from machine to work area with NO sharp bends Check DAILY for internal wear and external damage L 9 HOSE COUPLINGS NOZZLE HOLDERS fitted SNUGLY to hose end and installed using PROPER coupling screws Coupling lugs MUST be snapped FIRMLY into locking position Gasket MUST form positive seal with safety pins inserted through pin holes Check gaskets and replace if ANY sign of wear softness or distortion ALWAYS install safety cables at every c
17. air filter to the respirator Use of a non approved air hose can subject the operator to illness caused by the release of chemical agents used in the manufacture of non approved breathing air hose e ALWAYS check to make sure air filter and respirator system hoses are NOT CONNECTED to in plant lines that contain nitrogen acetylene or any other non breathable gas NEVER use oxygen with air line respirators NEVER modify air line connections to accommodate air filter respirator breathing hose WITHOUT FIRST testing content of the air line FAILURE TO TEST THE AIR LINE MAY RESULT IN DEATH TO THE RESPIRATOR USER e Respirator lenses are designed to protect against rebounding abrasive They do not protect against flying objects glare liquids radiation or high speed heavy materials Substitute lenses from sources other than the original respirator manufacturer will void NIOSH approval of this respirator BLAST MACHINES AND REMOTE CONTROLS A WARNING ALWAYS equip abrasive blast machines with remote controls Abrasive blast machine operators must wear NIOSH approved supplied air respirators ref OSHA regulations 1910 94 1910 132 1910 139 and 1910 244 e NEVER modify OR substitute remote control parts Parts from different manufacturers are NOT compatible with Clemco equipment If controls are altered involuntary activation which may cause serious injury can occur e Inspect the air control orifice DAILY for cleanliness
18. ards Obey all safety messages that follow this symbol to avoid possible injury or death CAUTION Caution used without the safety alert symbol indicates a potentially hazardous situation which if not avoided may result in property damage Page 1 A CAUTION Caution indicates a potentially hazardous situation which if not avoided may result in minor or moderate injury A WARNING Warning indicates a potentially hazardous situation which if not avoided could result in death or serious injury ADANGER Danger indicates an imminently hazardous situation which if not avoided will result in death or serious injury 1 3 Components and Operating Principles 1 3 1 The primary components of the blast machine are shown in Figure 1 1 3 2 This blast machine is a manually controlled machine This means a machine tender pressurizes and depressurizes the machine by opening and closing valves on the blast machine 1 3 3 Clemco blast machines pressure vessels are manufactured to American Society of Mechanical Engineers ASME standards as described in Section VII Div 1 and carry a National Board certification It is the owner s responsibility to maintain the integrity of the vessel as may be required by some states This may include regular inspection and hydrostatic testing as described in National Board Inspection Code and Jurisdictional Regulations and or Laws A WARNING Welding grinding or drilling on
19. asive into the machine by pouring it into the concave head Using an optional screen placed over the head prevents large objects from falling inside A screen is recommended to keep objects such as pieces of abrasive bags and rocks from falling into the machine Foreign objects will jam the machine Abrasive flows through the filling port into the machine Keep the abrasive level below the pop up valve Abrasive on the pop up valve could be forced up and out of the top of the machine when the machine is pressurized 3 6 3 After the machine is filled pressurize the machine per Section 3 3 2005 CLEMCO INDUSTRIES CORP e www clemcoindustries com e Manual No 06160 CLASSIC BLAST MACHINE with MANUAL CONTROLS 3 7 Emptying the Machine of Abrasive 3 7 1 When working in environments subject to extreme temperature changes or very humid conditions condensation may develop inside the machine Condensation wets abrasive and causes flow problems To prevent this empty the machine of all abrasive when shutting down for the day This will eliminate trouble from moist abrasive when starting a new day s blasting One way to avoid having to empty the machine is to load only as much abrasive as will be used during the work period If the machine must be purged of abrasive do the following 3 7 2 With the blast machine off turn the blast pressure down to approximately 40 50 psi close the choke valve and set the abrasive metering valve at fu
20. cular purpose or application No representations are intended or made as to the efficiency production rate or the useful life of the products described herein Any estimate regarding production rates or production finishes are the responsibility of the user and must be derived solely from the user s experience and expertise and must not be based on information in this material The products described in this material may be combined by the user in a variety of ways for purposes determined solely by the user No representations are intended or made as to the suitability or engineering balance of the combination of products determined by the user in his selection nor as to the compliance with regulations or standard practice of such combinations of components or products Abrasive Blast Equipment is only a component of the range of equipment used in an abrasive blasting job Other products may include an air compressor abrasive scaffolding hydraulic work platforms or booms paint spray equipment dehumidification equipment air filters and receivers lights ventilation equipment parts handling equipment specialized respirators or equipment that while offered by Clemco may have been supplied by others Each manufacturer and supplier of the other products used in the abrasive blasting job must be contacted for information training instruction and warnings with regard to the proper and safe use of their equipment in the particular applica
21. cycling Replace abrasive 6 6 Blast Machine Will Not Pressurize 6 6 1 Check that the compressor is on and all air supply valves to the machine are open 6 6 2 Insufficient size air supply hose or reduced size fittings between the compressor and blast machine See Section 3 2 2 6 6 3 Dirty filter in moisture separator Check filter element 6 6 4 Pop up valve stuck or internal piping worn or out of alignment Inspect internal piping 6 7 Blast Machine Will Not Depressurize or Depressurizes Too Slowly 6 7 1 Exhaust muffler blocked See Section 5 5 7 0 REPLACEMENT PARTS 7 1 Blast Machine Accessories Description Stock No Cover for 14 diameter machine cssccccsseeceessseeeeesees 02334 16 diameter machine ccsccecsseeeeessseeeeeseees 02335 20 diameter machine cccseeesseeeeessseeeeesseeees 20358 24 diameter machine ccccseseeseeeeessseeeeesseeees 02336 30 diameter machine ccccceeeeseeeteeeeeeeeeees 02337 Screen recessed type for 14 diameter machine ccsccessseeeeessseeeeeseees 03098 16 diameter machine ccscccesseeeeessseeeeeseees 03099 20 diameter machine cccecsseesseeeeessseeeeesseeees 20357 24 diameter machine cccccsesesseceeessseeeeesseeees 03100 30 diameter machine cceccccesseesseeesteeeseees 03101 Safety cable 3 4 to 1 1 2 ID blast hose 0 0 15013 Lock pin coupling package Of
22. eeeeceeeeeee 20734 15 Wheel and tire 16 X 400 eeeeeeeeeeee 02338 16 Axle and 16 wheel set for 3 CU ft Machine cece eeteeteeteeeseeaeeneens 02822 6 CU ft machine 02350 17 Washer 1 thrust 0 0 0 cceeeeeeeeseeeseeeeseeeeees 03825 18 Retaining ring 1 03824 19 Inspection door assembly 6 X 8 02377 20 Gasket 6 x 8 inspection door 02369 21 Seat pop up gum rubber standard use 02325 neoprene for hot Climates ceeeeeeeeees 02380 22 Umbrella optional 4 bolt on ceeeeee 02318 23 Muffler exhaust cccccecccccsescsesessessseeeseeees 05068 24 Metering valve optional manual pinch tube 04321 25 Metering valve for Lo pot machines 05680 26 Metering valve optional manual Quantum 22845 27 Lock pin coupling package of 25 4 11203 28 Formed pipe pusher line 1 naasse 01865 29 Formed pipe pusher line 1 1 4 oo 01866 30 Compression coupling 17 01856 31 Gasket 1 compression coupling 01885 32 Compression coupling 1 1 4 eee 01857 33 Gasket 1 1 4 compression coupling 01886 Used on 30 amp larger machines amp all machines shipped prior to Jan 2003 Figure 5 2005 CLEMCO INDUSTRIES CORP e www clemcoindustries com e Manual No 06160 CLASSIC BLAST MACHINE with MANUAL CONTROLS 7 3 Item CONDARWN gt FSV Abrasive Metering Valve Figure 6 Description Stock No Metering valve co
23. he alignment through the pop up filling port The nipple should be close to the center of the port If it is not adjust the horizontal pipe A misaligned pop up valve could result in early valve failure or abrasive leakage when the machine is pressurized or depressurized be Pop up Valve pee Pop up Guide x Tighten Loosen Figure 3 5 3 5 Slide the new pop up valve over the guide and then screw the valve guide with the pop up valve on it into position inside the machine Tighten the guide snug but not wrench tight Over tightening the guide will make it difficult to remove the next time the pop up valve needs replacement 5 3 6 Refer to Figure 4 to check the pop up height If the pop up sits too low misalignment could occur when the pop up comes up against the seal If the pop up sits too high it will take longer for abrasive to flow through the opening Adjust the height by replacing the guide with one that is longer or shorter 2005 CLEMCO INDUSTRIES CORP e www clemcoindustries com e Manual No 06160 CLASSIC BLAST MACHINE with MANUAL CONTROLS Welding Ring ae Pop up Valve ae y Distance between the top of the pop up valve to the top of the welding ring should be ar min and 21 max ds Pop up Guide Figure 4 5 3 7 Put a new gasket on the inspection door assembly before bolting the door onto the machine 5 4 Replacing the Pop Up Seal 5 4 1 All service on the blast machine must be done with the
24. hutdown the compressor 3 8 5 Cover the machine when not in use 4 0 PREVENTIVE MAINTENANCE NOTE These preventive maintenance instructions pertain to the blast machine Read the owners manuals for all blast accessories for their inspection and maintenance schedules 4 1 Daily Inspection 4 1 1 With the air off before blasting inspect the following e Inspect the blast hose for wear look for soft spots Soft spots mean the hose is worn Replace the blast hose before the tube wears as far as the fabric plies A WARNING Worn blast hose could suddenly fail by bursting Couplings and nozzle holders may not adequately grip worn hose causing them to blow off under pressure Compressed air and abrasive escaping from a burst hose or disconnected coupling or nozzle holder could cause severe injury e Check to make sure that couplings are secure and lock pins and safety cables are in place e Make sure the nozzle washer is in place and not worn A WARNING The threads on the nozzle and nozzle holder must be inspected each time the nozzle is secured to the holder Check that the threads are not worn and that the nozzle holder securely grips the nozzle The nozzle washer must also be inspected for wear Worn nozzle washers cause thread erosion A loose fitting nozzle may eject from the holder under pressure and could cause severe injury 2005 CLEMCO INDUSTRIES CORP e www clemcoindustries com e Manual No 06160 CLASS
25. last operators MUST be properly trained to operate equipment ALL blast operators MUST be properly outfitted with abrasive resistant clothing safety shoes leather gloves and ear protection BEFORE blasting ALWAYS use the following check list L 1 PROPERLY MAINTAINED AIR COMPRESSOR sized to provide sufficient volume cfm for nozzle and other tools PLUS a 50 reserve to allow for nozzle wear Use large compressor outlet and large air hose 4 times the nozzle orifice size FOLLOW MANUFACTURERS MAINTENANCE INSTRUCTIONS L 2 BREATHING AIR COMPRESSOR oil less air pump capable of providing Grade D Quality air located in a dust free contaminant free area If oil lubricated air compressor is used to supply respirator it should have high temperature monitor and CO monitor or both If CO monitor is not used air MUST be tested FREQUENTLY to ensure proper air quality PREFACE O 3 Clean properly maintained NIOSH APPROVED SUPPLIED AIR RESPIRATOR ALL components should ALWAYS be present NEVER operate without inner lens in place Thoroughly inspect ALL components DAILY for cleanliness and wear ANY substitution of parts voids NIOSH approval i e cape lenses breathing hose breathing air supply hose air control valve cool air or climate control devices L 4 OSHA required BREATHING AIR FILTER for removal of moisture and particulate matter from breathing air supply THIS DEVICE DOES NOT REMOVE OR DETECT CARBON MONOXIDE CO AL
26. ll open 3 7 3 To prevent rapid wear of the nozzle holder threads the nozzle should be firmly attached to the nozzle holder Removal of the nozzle is not recommended If circumstances require the nozzle to be removed also remove the nozzle washer Purging the machine without a nozzle will eventually erode the thread area of the nozzle holder which could cause a hazardous condition 3 7 4 Point the nozzle into a drum or suitable container or in the direction the abrasive is to be disposed 3 7 5 Insure that the hose is secure and pressurize the machine 3 7 6 Depressurize the machine when empty and open the choke valve 3 7 7 f the nozzle was removed thoroughly inspect the nozzle holder threads for wear before installing the nozzle washer and attaching the nozzle A WARNING The threads on the nozzle and nozzle holder must be inspected each time the nozzle is secured to the holder Check that the threads are not worn and that the nozzle holder securely grips the nozzle The nozzle washer must also be inspected for wear Worn nozzle washers cause thread erosion A loose fitting nozzle may eject from the holder under pressure and could cause severe injury 3 8 Shutdown 3 8 1 Make sure the blast machine is depressurized Page 7 3 8 2 Close the compressed air supply valve at the compressor 3 8 3 Drain receiver tank filters and water collecting devices and bleed the compressed air supply hose 3 8 4 S
27. lowing warnings before transporting or moving a blast machine could result in serious injury or death e Always empty the blast machine before lifting or hoisting e Never hoist the machine by the handle or piping or with a sling through the handle or piping e Always use lift equipment that is rated higher than the weight of the machine and accessories e When transporting a machine on a pallet always securely attach the machine to a sturdy pallet e Always securely anchor the machine to the transport vehicle e Anyone using material handling equipment to move transport or lift the machine must be experienced and able to recognize and avoid hazards associated with handling this type of machinery and to safely operate the equipment 3 1 1 Transporting a blast machine 3 1 1 1 Always empty the machine before transporting Transporting a machine containing abrasive may increase the weight to an unsafe handling limit and could cause abrasive to settle in the piping 3 1 2 Moving a blast machine A WARNING Never attempt to manually move a blast machine when it contains abrasive Empty machines up to 6 cu ft capacity may be moved when the following criteria are met 3 1 2 1 An empty machine may be moved manually on level flat surfaces by at least two people Page 4 A WARNING Do not manually move the machine on an incline or on a slippery or irregular surface that could cause the operator to slip or lose
28. lves on blast machines when air compressors supplying air to the blast machines are built to ASME specifications and comply with OSHA regulations ASME Manual section VIII Division 1 UG 125 paragraph A90 g states that pressure relief valves or protective devices need not be installed directly on a pressure vessel when the source of pressure is external to ABS ge Ee e FSV Abrasive o L Metering Valve H KE Quick Coupling blast hose connector Lo Pot Optional 04321 Metering Valve Manual Pinch Tube Grit Valve Figure 1 the vessel and is under such positive control that the pressure in the vessel cannot exceed the maximum allowable working pressure at the operating temperature OSHA regulation 1910 169 refers to the above ASME code when describing the necessity of pressure relief valves on compressed air equipment DO NOT operate blast machines with air compressors that are not equipped with properly functioning pressure relief valves American Society of Mechanical Engineers Boiler and Pressure Vessel Code 1989 Occupational Safety and Health Administration 29 CFR 1910 Subpart M Compressed Gas and Compressed Air Equipment 1 4 Abrasive 1 4 1 Selection of blasting abrasive can play a significant part in the health risk productivity and maintenance of the blast machine DO NOT USE abrasives containing more than one percent crystalline free silica Obtain material safety data sheets MSDS fo
29. ly and is not to be construed as a warranty that the product will conform to the sample or model 5 Seller makes no warranty that the products are delivered free of the rightful claim of any third party by way of patent infringement or the like 6 This warranty is conditioned upon seller s receipt within ten 10 days after a buyer s discovery of a defect of a written notice stating in what specific material respects the product failed to meet this warranty If such notice is timely given seller will at its option either modify the product or part to correct the defect replace the product or part with complying products or parts or refund the amount paid for the defective product any one of which will constitute the sole liability of seller and a full settlement of all claims No allowance will be made for alterations or repairs made by other than those authorized by seller without the prior written consent of seller Buyer shall afford seller prompt and reasonable opportunity to inspect the products for which any claim is made as above stated Except as expressly set forth above all warranties express implied or statutory including implied warranty of merchantability are hereby disclaimed DAILY SET UP CHECK LIST A WARNING ALL piping fittings and hoses MUST be checked DAILY for tightness and leakage ALL equipment and components MUST be thoroughly checked for wear ALL worn or suspicious parts MUST be replaced ALL b
30. mplete eeeeneeee 02427 Upper DOD dessi iiinis iini 02422 Valve disc wi stem ccccesseeceeesteeeeeenaes 02423 Gasket rubber 2 required n 02424 Disc stainless sssnsneeeenneseennneenenseere nnn 02425 Lowo DOGY senspaca e E 02426 Metering handle heavy duty 08 20498 Cap screw 1 4 NC x 1 hex head 03053 Wing nut 1 4 NC 00 eeeeeeeeeeeeeeeeeeeeeeeeees 03113 Handle bolt Spacer cccceceeeeesseeeeeeees 02431 Valve handle pin eeeeeeeeeeeeeeeeeteeteees 20246 Gauge Unit satesercnsideneisseetetianeickiipieees 02433 Set screw 1 4 NC x 1 2 square head 03080 Page 13 13 Spring COMpressSion ceeseeeeeeeeees 01982 14 E EE 02436 15 Packing gland cesceeeeeeeeeeeeeeeeeeeeeeees 02437 16 O ring 7 8 OD woe eeeeeeeeeeeeeeeeeteteeeteeeeeeees 21165 17 Gasket Shaft cccccssssssesessssssreseseseseeee 02439 18 Inspection plate ccceeeeeeeeeeesseeeeeneeees 02440 19 Cap screw 5 16 NC x 1 hex head 03152 20 Wing nut 5 16 NC eeeeeeeeeeeeeeeeeteeeeeees 03213 21 O RING redea aenean aaia aaa 01990 22 Nipple heavy wall 1 1 2 x close 01791 23 Wye 1 1 4 standard 01818 24 Nipple heavy wall 1 1 4 x 5 Lee 01860 25 Nut 1 2 NC hen cecceecceeeeeeeeeeseeeeeeeeeeeaes 03511 26 Cap screw 1 2 NC x 1 3 4 hex head 03455 27 Washer 1 4 flat ccceeceeeeeeeeeteeetteeeees 03116 28 H
31. nections are secured with safety lock pins and safety cables to prevent accidental disconnection Lock pins and safety cables are listed in Section 7 1 A WARNING Hose disconnection while under pressure could cause serious injury or death Use safety lock pins and safety cables on all coupling connections to help prevent hose couplings from accidental disconnection 2005 CLEMCO INDUSTRIES CORP e www clemcoindustries com e Manual No 06160 CLASSIC BLAST MACHINE with MANUAL CONTROLS Page 5 Compressed Air and Abrasive Consumption Consumption rates are based on abrasive that weigh 100 pounds per cubic foot Nozzle Orifice Size in 50 11 67 2 5 26 150 6 47 268 11 77 468 18 108 668 24 147 896 33 195 1160 44 60 13 77 3 30 171 7 54 312 12 89 534 20 126 764 28 170 1032 38 224 1336 50 70 15 88 3 5 33 196 8 61 354 14 101 604 23 143 864 32 194 1176 44 252 1512 56 80 17 101 4 38 216 9 68 408 16 113 672 26 161 960 36 217 1312 49 280 1680 63 No 2 No 8 1 2 Pressure At The Nozzle psi 90 19 112 45 41 238 10 74 448 17 126 740 28 173 1052 39 240 1448 54 309 1856 69 Air Power and Abrasive Requirements Air cfm Abrasive lbs hr Compressor hp Air cfm Abrasive lbs hr Compressor hp Air cfm Abrasive lbs hr Compressor hp Air cfm Abrasive lbs hr Compressor hp Air cfm Abrasive lbs hr
32. onnection to prevent disengagement Check nozzle holder for worn threads NEVER MIX DIFFERENT BRANDS OF COMPONENTS Check each of these components DAILY L 10 Inspect NOZZLE and GASKET DAILY for wear Replace nozzle when 1 16 larger than original size or if liner appears cracked Check nozzle threads for wear L 11 Use abrasive that is properly sized and free of harmful substances such as free silica cyanide arsenic or lead Check material data sheet for presence of toxic or harmful substances L 12 Test surface to be blasted for toxic substances Take appropriate and NIOSH required protective measures for operator and bystanders which pertain to substances found on the surface to be blasted 11 Silica free Abrasive 5 ASME Coded Blast Machine 7 Remote Controls 6 Air Line Filter 10 Appropriately Sized Nozzle A UI 8 Blast Hose 9 Hose Couplings and Safety Cables CLASSIC BLAST MACHINE with MANUAL CONTROLS 1 0 INTRODUCTION 1 1 Scope 1 1 1 These instructions cover set up operation maintenance troubleshooting and replacement parts for Clemco manually controlled blast machines These instructions also contain important safety information required for safe operation of the machine 1 1 2 OSHA requires remote controls valves that start and stop the blast process from a handle at the nozzle on all blast machines when a blast operator the person who operates the remote cont
33. ot metering valves is when the handle is turned to either side of center until it hits the stops The closed position for the optional Quantum or PVR grit valve is when the metering knob is turned fully clockwise 3 4 3 While the operator is blasting the machine tender increases abrasive flow by moving the handle toward center no more than 1 4 at a time allowing time for the flow to stabilize before readjusting 3 4 4 Optimum abrasive flow depends on the type and size of abrasive and blasting pressure and can best be determined by experience Use as little abrasive as possible while maintaining the maximum cleaning rate The air abrasive mixture should be mainly air As a rule abrasive coming out of the nozzle should barely discolor the air when seen against a contrasting background 3 4 5 Once the correct flow is obtained loosen the wing nut on the gauge unit and move the handle spacer against the metering handle This allows the handle to be moved opened or closed and returned to the same setting 3 5 Stop Blasting 3 5 1 To depressurize the machine and stop blasting the machine tender closes the inlet valve and while standing back and facing away from the concave head and exhaust muffler quickly opens the outlet valve The pop up valve automatically drops when air is expelled from the machine and pressure equalizes 3 6 Loading Abrasive into the Blast Machine 3 6 1 Depressurize the machine per Section 3 5 3 6 2 Load abr
34. ounted above the pop up opening is required See Section 7 2 for optional bolt on umbrella 2 2 Blast Machine Set Up A WARNING Clemco supplies an exhaust muffler with all blast machines of 2 cu ft capacity and larger The muffler reduces exhaust noise and prevents abrasive from exhausting upward or sideways into the air When the blast machine is depressurized the muffler body pops up to diffuse the air and abrasive When the machine is fully depressurized the muffler body drops permitting trapped abrasive to empty For the muffler to work properly it must be installed with the body facing up as shown in Figure 1 If an application requires the muffler be removed the exhaust piping must be plumbed to direct exhausting air in a direction that ensures no persons will be exposed to possible injury from high velocity air and abrasive which escapes when the blast machine is depressurized 2 2 1 Install an optional filter moisture separator to the inlet valve The filter is recommended at this location to remove moisture from air before it enters the machine 2 2 2 Install an air supply hose fitting to the inlet valve or moisture separator that is compatible with the compressed air supply hose See Section 3 2 2 2005 CLEMCO INDUSTRIES CORP e www clemcoindustries com e Manual No 06160 CLASSIC BLAST MACHINE with MANUAL CONTROLS 3 0 OPERATION 3 1 Transporting and moving A WARNING Failure to observe the fol
35. r the blasting abrasive prior to blasting paying particular attention the health risks and presence of any hazardous toxic substances Use only abrasives specifically manufactured for blast cleaning and that are compatible with the surface being blasted Abrasive 2005 CLEMCO INDUSTRIES CORP e www clemcoindustries com e Manual No 06160 CLASSIC BLAST MACHINE with MANUAL CONTROLS produced for other applications may be inconsistent in size and shape and contain particles that could jam the abrasive metering valve or cause irregular wear Some abrasive may contain salts corrosives or other materials that could contaminate the blast surface 1 4 2 Abrasive Size 1 4 2 1 The choice of abrasive size depends on the desired profile cleaning rate nozzle size and availability of clean dry air Generally larger and denser abrasive provide a deeper profile while smaller abrasives clean faster Most abrasive blasting is done with abrasive between 16 and 80 mesh Larger size may be used if the nozzle orifice is large enough to prevent multiple particles to pass without jamming Finer abrasive requires clean dry air to prevent bridging in the metering valve 1 4 3 Sand Sand should never be used because of the health hazards of using abrasive containing free silica 1 4 4 Slags Slag abrasives are compatible with the blast machine and accessories Obtain a material safety data sheets MSDS 1 4 5 Steel Steel shot and steel grit may
36. rol handle and who performs the blasting by holding and directing the nozzle commands the nozzle Manually controlled blast machines a blast machine fitted with simple ball valves at the inlet and outlet that must be manually opened and closed to start and stop the blast process is allowed only in cases where a machine is connected to a fixed nozzle or tool that is enclosed and separated from the operator and surrounding personnel If this machine is intended for use with a blast operator contact a Clemco distributor for the remote control system 1 1 3 All blast machine tenders the person who opens and closes the manual inlet and outlet ball valves to pressurize and depressurize the blast machine must be trained in the safe operation of the blast machine and all blasting accessories Tenders and all personnel involved with the blast machine operation must know about the hazards associated with abrasive blasting Before using the machine all personnel involved with the blast machine operation must read this entire manual including the orange cover and all accessory manuals 1 2 Hazard Alerts 1 2 1 Clemco uses signal words based on ANSI Z535 4 1998 to alert the user of a potentially hazardous situation that may be encountered while operating this equipment ANSI s definitions of the signal words are as follows A This is the safety alert symbol It is used to alert the user of this equipment of potential personal injury haz
37. ry and in no event shall seller or its agents successors nominees or assignees or either be liable for special or consequential damage arising out of a breach of warranty This warranty does not apply to any damage or defect resulting from negligent or improper assembly or use of any item by the buyer or its agent or from alteration or attempted repair by any person other than an authorized agent of seller All used repaired modified or altered items are purchased as is and with all faults In no event shall seller be liable for consequential or incidental damages The sole and exclusive remedy of buyer for breach of warranty by seller shall be repair or replacement of defective parts or at seller s option refund of the purchase price as set forth below 1 Seller makes no warranty with respect to products used other than in accordance hereunder 2 On products seller manufactures seller warrants that all products are to be free from defects in workmanship and materials for a period of one year from date of shipment to buyer but no warranty is made that the products are fit for a particular purpose 3 On products which seller buys and resells pursuant to this order seller warrants that the products shall carry the then standard warranties of the manufacturers thereof a copy of which shall be made available to customer upon request 4 The use of any sample or model in connection with this order is for illustrative purposes on
38. sons A WARNING Place the machine so that the outlet is pointed away from any objects or persons Stand clear of the path of exiting abrasive It may come out at high velocity Impact from exiting abrasive could cause severe injury 5 1 5 Close the choke valve and fully open the abrasive metering valve Pressurize the machine to force out any damp abrasive 5 1 6 When the obstruction has been removed depressurize the machine Remove the nozzle and 2005 CLEMCO INDUSTRIES CORP e www clemcoindustries com e Manual No 06160 CLASSIC BLAST MACHINE with MANUAL CONTROLS nozzle washer and reconnect the hose Open the choke valve and close the abrasive metering valve Pressurize the machine to clear the hose When the hose is cleared depressurize the machine so the nozzle and nozzle washer can be attached A WARNING The threads on the nozzle and nozzle holder must be inspected each time the nozzle is secured to the holder Check that the threads are not worn and that the nozzle holder securely holds the nozzle The nozzle washer must also be inspected for wear Worn nozzle washers could erode nozzle threads A loose fitting nozzle may eject under pressure and could cause severe injury 5 1 7 With the hose cleared start the machine using normal procedures 5 2 Clearing Obstructions in the Abrasive Metering Valve and Blast Machine 5 2 1 If the nature of the obstruction permits emptying the machine of abrasive follo
39. ssible to reduce pressure loss Check blast hose DAILY for soft spots Repair or replace IMMEDIATELY e ALWAYS cut loose hose ends square when installing hose couplings and nozzle holders to allow uniform fit of hose to coupling shoulder NEVER install couplings or nozzle holders that DO NOT provide a TIGHT fit on hose ALWAYS use manufacturers recommended coupling screws e Replace coupling gaskets FREQUENTLY to prevent leakage Abrasive leakage can result in dangerous coupling failure ALL gaskets MUST be checked SEVERAL times during a working day for wear distortion and softness e Install safety pins at EVERY coupling connection to prevent accidental disengagement during hose movement e ALWAYS attach safety cables at ALL air hose AND blast hose coupling connections Cables relieve tension on hose and control whipping action in the event of a coupling blow out PREFACE MAINTENANCE e ALWAYS shut off compressor and depressurize blast machine BEFORE doing ANY maintenance e Always check and clean ALL filters screens and alarm systems when doing any maintenance e ALWAYS cage springs BEFORE disassembling valves IF spring loaded abrasive control valves are used e ALWAYS completely follow owner s manual instructions and maintain equipment at RECOMMENDED intervals ADDITIONAL ASSISTANCE e Training and Educational Programs Clemco Industries Corp offers a booklet Blast Off 2 developed to educate personnel on abrasi
40. ter the pop up valve has dropped remove the nozzle and check for obstruction 6 1 2 Make sure that both the abrasive metering valve and choke valve are open 6 2 Air Only no abrasive Comes Out the Nozzle 6 2 1 Abrasive metering valve may be closed or needs adjustment Adjust the metering valve per Section 3 4 6 2 2 Blast machine may be empty 6 2 3 Abrasive may be damp See Section 5 1 to clear damp abrasive 6 2 4 Check the abrasive obstructions per Section 5 2 metering valve for 6 3 Heavy Abrasive flow 6 3 1 Check that the choke valve is open The valve is open when the handle is in line with the piping 6 3 2 Abrasive metering valve may be open too far See Section 3 4 6 4 Abrasive Surging 6 4 1 A certain amount of abrasive surge is normal at start up Should the flow of abrasive continue to surge reduce the amount of abrasive in the air stream by adjusting the metering valve See Section 3 4 6 4 2 Check the exhaust muffler for blockage Slow depressurization will load the blast hose with abrasive and cause surging at start up Page 11 6 4 3 See Section 6 7 6 5 Intermittent Abrasive Flow 6 5 1 Moisture in the blast machine or in the air supply Drain moisture from the compressor s receiver tank and if so equipped the blast machine s moisture separator If moisture continues to be a problem a dryer or aftercooler may be required in the air supply line 6 5 2 Abrasive may be worn from re
41. tion for which the equipment is being used The information provided by Clemco is intended to provide instruction only on Clemco products All operators must be trained in the proper safe use of this equipment It is the responsibility of the users to familiarize themselves with and comply with all appropriate laws regulations and safe practices that apply to the use of these products Consult with your employer about training programs and materials that are available Our company is proud to provide a variety of products to the abrasive blasting industry and we have confidence that the professionals in our industry will utilize their knowledge and expertise in the safe efficient use of these products GENERAL INSTRUCTIONS Described herein are some BUT NOT ALL of the major requirements for safe and productive use of blast machines remote control systems operator respirator assemblies and related accessories Completely read ALL instruction manuals prior to using equipment The user s work environment may include certain HAZARDS related to the abrasive blasting operation Proper protection for the blaster as well as anyone else that may be EXPOSED to the hazards generated by the blasting process is the responsibility of the user and or the employer Operators MUST consult with their employer about what hazards may be present in the work environment including but not limited to exposure to dust that may contain TOXIC MATER
42. ve blast equipment function and surface preparation techniques Readers will learn safe and productive use of machines components and various accessories including selection of abrasive materials for specific surface profiles and degrees of cleanliness e The Society for Protective Coatings SSPC offers a video training series on protective coatings including one entitled Surface Preparation For loan or purchase information contact SSPC at the address shown below TECHNICAL DATA AND RESEARCH COMMITTEES e The following associations offer information materials and videos relating to abrasive blasting and safe operating practices The Society for Protective Coatings SSPC A0 24th Street Pittsburgh PA 15222 4643 Phone 412 281 2331 FAX 412 281 9992 Email research sspc org Website www sspc org National Association of Corrosion Engineers NACE 1440 South Creek Drive Houston TX 77084 Phone 281 228 6200 FAX 281 228 6300 Email msd mail nace org Website www nace org American Society for Testing and Materials ASTM 100 Barr Harbor Dr West Conshohocken PA 19428 Phone 610 832 9500 FAX 610 832 9555 Email service astm org Website www asim org NOTICE This equipment is not intended to be used in an area that might be considered a hazardous location as described in the National Electric Code NFPA 70 1996 article 500 WARRANTY The following is in lieu of all warranties express implied or statuto
43. w the instructions per Section 3 7 5 2 2 Turn off the compressed air supply Lock out and tag out the air supply and bleed the air supply line to the blast machine 5 2 3 Remove the wing nuts securing the abrasive metering valve s inspection plate 5 2 4 Check the metering valve for blockage by inserting a finger into the opening and feel for an obstruction or foreign object 5 2 5 H the metering valve is clear remove the blast machine inspection door assembly and check for foreign objects 5 2 6 Make sure the inspection door gasket is in good condition and in place before bolting the door onto the machine 5 2 7 Make sure the abrasive metering valve inspection plate O ring is in good condition and in place before reassembling the inspection plate 5 2 8 Check to make sure all inspection doors are secure before starting the compressed air supply Page 9 5 3 Replacing the Pop Up Valve Figure 3 5 3 1 All service on the pop up valve must be done with the compressed air off and the air supply locked out and tagged out 5 3 2 To gain access to the pop up valve remove the inspection door assembly 5 3 3 Using a small pipe wrench unscrew the pop up valve guide by turning it counterclockwise Remove the pop up valve and guide from the machine 5 3 4 While the pop up valve is out check alignment as follows Screw a 1 1 4 nipple that is at least 12 long into the elbow in place of the pop up guide Check t
44. wing e Note the time it takes to fully depressurize the machine after the outlet valve is opened When depressurizing time increases noticeably inspect the exhaust muffler per Section 5 5 4 2 3 Monthly Inspection With the air off before blasting inspect the following e Check the pop up valve s urethane coating for cracks and grooves Replace the pop up valve at the first sign of wear See Section 5 3 Page 8 e Inspect the rubber pop up seal and replace at the first sign of wear drying or cracking See Section 5 4 e Inspect the exhaust muffler for blockage and wear per Section 5 5 5 0 SERVICE MAINTENANCE A WARNING Failure to observe the following before performing any maintenance could cause serious injury or death from the sudden release of compressed air e Depressurize the blast machine e Lock out and tag out the compressed air supply e Bleed the air supply line to the blast machine 5 1 Removing Damp Abrasive From the Blast Machine 5 1 1 To clear a minor blockage caused from damp abrasive during operation rapidly open and close the choke valve several times 5 1 2 For more difficult blockages proceed as follows See Section 5 2 to check for obstructions in the metering valve 5 1 3 With the blast machine off disconnect the blast hose and remove the gasket from the quick coupling on the machine 5 1 4 Place the machine so that the outlet is pointed away from any objects or per

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