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Praxair 1264, Operator'S Manual

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Model 1264 Powder Feeder 

 

 

Operator’s Manual

 

_____________________________________________________________________________________________________________________

 

 

Issued: 04/16 

 

Page 

v 

 

 

 

 

Conventions 

Throughout this manual, certain words and symbols are used to draw your 
attention to important information.  These symbols and words have the 
following meaning: 

 

Praxair Surface 

Technologies 

RECOMMENDS 

A procedure or setting that will produce optimum results 

 

 

 

Information that can help to operate the equipment more effectively. 

 

 

 

Refer to the manual before doing any maintenance. 

 

 

 

Wear respirator. 

 

 

     

 

Risk of eye injury.  Eye protection required.   

                                 Wear opaque eye protection. 

 

 

     

 

Wear protective clothing, gloves. 

 

 

 

Wear hearing protection. 

 

 

 

Pressure Relief  

 

 

 

WARNING 

PERSONAL INJURY HAZARD

: 

 

Use caution when handling the powder feeder, feed lines and 
fittings.  There is a possibility of static electricity discharge from the 
powder feed system which could result in significant discomfort or 
injury. 

Summary of Contents for 1264

Page 1: ...Revision M Issued 04 16 Model 1264 Powder Feeder Operator s Manual Manual Part Number 5006267 ...

Page 2: ...f the following standard s or other document s Applied Directive s Low Voltage 2006 95 EC EMC 2004 108 EC Pressure Equipment 97 23 EC Standard s EN 60204 1 EN 61000 6 4 EN 61000 6 2 We hereby declare that the equipment specified above conforms to the above directive s and standard s Signature Full Name Andrew Bolduc Position Engineering Manager Praxair Surface Technologies Inc 146 Pembroke Road Co...

Page 3: ...evisions of the manual Praxair Surface Technologies reserves the right to make improvements and or changes to the product s and or programs described in this manual at any time and without notice Illustrations are meant to be representative of but not exact duplicates of existing equipment BUSINESS CONFIDENTIAL THIS MANUAL CONTAINS CONFIDENTIAL AND PROPRIETARY INFORMATION OF PRAXAIR SURFACE TECHNO...

Page 4: ...safe practices Be safe Learn the recommended procedures and standards Failure to follow recommended procedures and standards can result in severe injury to people and damage to equipment Who should use Thermal Spray Equipment Use the equipment only if you have been trained fully in safely using it Do not allow untrained persons to install operate or maintain the equipment Understand what to do bef...

Page 5: ...ed in section 1 and in highlighted paragraphs throughout this guide Operating instructions see section 4 Technical bulletins included with or referred to in this manual This includes industry publications that contain standards that may apply to your work See page vi of this guide for a list of industry publications Labels tags other instructions and warnings that come with or are attached to the ...

Page 6: ... RECOMMENDS A procedure or setting that will produce optimum results Information that can help to operate the equipment more effectively Refer to the manual before doing any maintenance Wear respirator Risk of eye injury Eye protection required Wear opaque eye protection Wear protective clothing gloves Wear hearing protection Pressure Relief WARNING PERSONAL INJURY HAZARD Use caution when handling...

Page 7: ...________________________ Issued 04 16 Page vi HAZARD Hazards that can result in minor or major damage to equipment bodily injury to people and how to prevent such hazards EXPLOSION HAZARD ELECTRIC SHOCK HAZARD FIRE HAZARD HIGH TEMPERATURE HAZARD ELECTROMAGNETIC FIELDS HAZARD LIGHT EMISSION HAZARD People with Heart Pacemakers Not Allowed ...

Page 8: ...fects the thermal spray industry Occupational Safety and Health Act Standards 29CFR 1910 available from the Superintendent of Documents U S Government Printing Office Ventilation Control of Grinding Polishing and Buffing of Metals ANSI Z43 1 available from the American National Standards Institute Safety in Welding and Cutting AWS ANSI Z49 1 available from the American Welding Society Environmenta...

Page 9: ...n Welding Society Safety Release Device Standards Cylinders for Compressed Gases CGA Pamphlet S1 1 available from the Compressed Gas Association Standard for Gaseous Hydrogen at Consumer Sites CGA Pamphlet G5 1 available from the Compress Gas Association Power Piping ANSI B31 1 available from the American National Standards Institute Acetylene CGA Pamphlet G 1 available from the Compressed Gas Ass...

Page 10: ...last Machine 7 1 4 7 Handling and Manipulating Equipment 7 1 5 Protecting Workers 8 1 5 1 Eye Protection 8 1 5 2 Respiratory Protection 9 1 5 3 Noise Protection 10 1 5 3 1 Noise and Noise Level 10 1 5 3 2 Noise Duration 11 1 5 3 3 Hearing Protection 12 1 5 4 Protective Clothing 14 1 5 5 Confined Spaces 15 1 5 5 1 Rapid Emergency Exit 15 1 5 5 2 Factors to Consider 15 1 6 Toxic Material 18 1 6 1 Be...

Page 11: ...g Preventative Maintenance Time Accumulator 50 B O Ring Seal Replacement 51 C Checking Seal Integrity 55 D Gear Motor Brush Replacement 56 E Verification 57 F Powder Feeder RPM Fluctuations 57 5 2 Troubleshooting Chart 57 Figure 5 4 Electrical Schematic P N 5006802 59 Figure 5 5 Estimated Feed Rate Chart for Standard Wheel 60 Figure 5 6 Estimated Feed Rate Chart for Fine Wheel 61 Figure 5 7 Estima...

Page 12: ...standards 1 1 Reminder Safety First Thermal spraying equipment is very powerful Do not use equipment carelessly or without observing safe practices Be safe Learn the recommended procedures and standards Failure to follow recommended procedures and standards can result in severe damage to equipment and injury to people Use the equipment only if you have been trained fully in its safe operation Do n...

Page 13: ...al spray equipment requires practices and procedures that ensure personal safety and the safety of others Therefore this equipment is to be installed operated and maintained by qualified persons as specified in this manual and in accordance with all applicable codes such as but not limited to those listed in section 1 and the corresponding sections of the manual You should thoroughly understand an...

Page 14: ... Install a cartridge type dry dust collection system to collect spray dust 1 4 Safe Operating Conditions 1 4 1 Compressed Gas Cylinders Always comply with local state municipal and federal regulations regarding compressed gas cylinder storage and follow recommendations in ANSI AWS Z49 1 Safety in Welding and Cutting CGA Pamphlet P 1 Safe Handling of Compressed Gases NFPA 55 Compressed Liquefied Ga...

Page 15: ...ame balance by installing backflow prevention devices in conjunction with the flow meters Place a protective shield on flow meters with glass tubes Install and use hose and hose connections according to ANSI AWS Z49 1 and the Specification for Rubber Welding Hose published by the Rubber Manufacturer s Association and the CGA Handle hoses carefully to avoid damage Use hoses only in the applications...

Page 16: ...ndition before restarting the system EXPLOSION HAZARD Acetylene pressures exceeding 15 psi 1 03 bar may cause the gas to detonate If this pressure of 15 psi 1 03 bar is insufficient use another fuel gas 1 4 3 Compressed Air Always refer to gases by their proper names to avoid confusion Never use compressed air oxygen or fuel gas to clean clothing For thermal spraying or blasting operations use com...

Page 17: ...d Train operators how to use the equipment safely before they actually use it Specifically ensure that operators know and understand all the operating and safety recommendations in the operator manuals Always observe standard safety precautions for electrical equipment and operate in accordance with ANSI AWS Z49 1 Frequently clean arc guns and power supplies to prevent metal dust accumulation that...

Page 18: ...wout at those points If hoses must be curved around an object use long radius curves Store blast hoses in cool dry areas Be sure blast hose controls function properly They should require continuous pressure on the activating lever for operation Releasing the lever should cause the system to shut off dead man control PERSONAL INJURY NEVER point a blast nozzle at a person Most blasting operations re...

Page 19: ...otection as well Equip the eye protection with a suitable filter plate to protect against ultraviolet infrared and intense visible light radiation see Table 1 1 Table 1 1 Eye Protection Operation Required Type of Eye Protection Wire Flame Spraying except Molybdenum Shades 2 4 Molybdenum Wire Spraying Shades 3 6 Flame Spraying of Metal Powder Shades 3 6 Flame Spraying of Exothermic Ceramic Powder o...

Page 20: ...terial Minimum air flow to the respirator should be 4 CFM 113 3 L minute at the face piece and 6 CFM 170 L minute entering the helmet or hood Fresh air blowers are preferred to compressed air as an air source of respirator air If adequate ventilation is not provided use an in line vortex cooler when possible for operator comfort Filter the air supply line to remove objectionable odors oil or water...

Page 21: ... employees to comply with all rules regulations and orders that apply to their actions and conduct OSHA does not provide thermal spraying specific rules but establishes general rules for the control of unsafe and unhealthy elements 1 5 3 1 Noise and Noise Level Noise is an unneeded and objectionable sound Excess noise reduces productivity slows reaction times and causes tension hearing impairment ...

Page 22: ... booth w spray both airjet cooling 94 111 Wire Combustion Guns 1 8 3 16 inch 3 2 4 8 mm Acetylene Propane Propane nonload hardware Methylacetylene propadiene gas 114 118 125 118 Plasma gun Nitrogen 600 A Nitrogen Hydrogen 600 A Argon 1000 A Argon Hydrogen 600 A Argon Helium 600 A Argon Nitrogen 1000 A 134 133 128 133 127 131 HVOF Oxygen plus kerosene 126 Grit blasting Equipment Compressed air 80 8...

Page 23: ...on If noise at your site exceeds the limits established by OSHA in paragraph 1910 95 entitled Occupational Noise Exposure of the Occupational Safety and Health Standards you should provide ear and or other protection to everyone near thermal spray operations to bring the exposure within OSHA permissible tolerable noise levels Limit workers exposure to noise according to federal standards prescribe...

Page 24: ...shed Mufflers on thermal spray equipment are impractical and ineffective Simple baffles between the gun and nearby personnel are not effective because noise scatters around the baffle Specially designed sound absorbing materials provide a 5 dB reduction to adjacent areas Sound absorbing materials on walls and hanging baffles can reduce nearby levels but do not solve the problem for the operator Re...

Page 25: ...y one person within limits Spraying outside of regular plant hours can control exposure of persons near the operation Also rotate personnel assignments in the vicinity of the thermal spraying operation to control exposure 1 5 4 Protective Clothing When working in confined spaces wear flame resistant clothing and leather or rubber gauntlet gloves Clothing should fit snugly around the wrists and ank...

Page 26: ...Recommended Safe Practices for the Preparation for Welding and Cutting of Containers and Piping That Have Held Hazardous Substances if the confined space previously held combustible materials Work in confined spaces requires ventilation See the standards referred to in Compressed Gas Cylinders in section 1 4 1 of this manual for ventilation requirements When you are thermal spraying in any confine...

Page 27: ...perations apply local exhaust ventilation to the spray areas to prevent contamination of the general work area Carefully maintain individual respiratory protective devices Clean and disinfect devices before transferring them between employees see ANSI Z88 2 Provide mechanical ventilation for operations not performed in the open or in a properly designed and ventilated room Ventilation equipment us...

Page 28: ...sign and maintain separate rooms for grit blasting and thermal spraying Design of a blasting room should include adequate lighting and a dry cartridge type ventilation system having ventilation down draft and longitudinal air flow at a velocity of at least 80 to 100 feet minute 0 4 to 0 5 m s Thoroughly investigate local state and federal regulations before exhausting directly into the atmosphere ...

Page 29: ...f dust or fumes in the system NEVER weld or cut while repairing any ventilation or dust collecting equipment unless the equipment has been thoroughly cleaned 1 6 Toxic Material PERSONAL INJURY HAZARD Almost any material in finely divided form can damage the respiratory system Damage is often not sensed immediately Take care to keep floors work benches and booths free of dusty residues Carefully cl...

Page 30: ...inc oxide the effect has been known as brass founder s ague brass chills zinc fever or metal fume fever Temporary short term immunity can be developed Prevention consists of adequate ventilation and proper respirators see Respiratory Protection in section 1 5 2 and Confined Spaces in section 1 5 5 Preclude from the work any operators with pulmonary disease or those who continue to suffer discomfor...

Page 31: ...erial allowed Conduct air sampling to determine the ventilation requirements for operations involving the previously listed materials When less toxic metals are sprayed the concentration of dust or fumes in the work area must not exceed the TLV for eight hour exposure Provide respiratory protection devices and exhaust ventilation when the dust or fume concentration is sufficiently high to cause op...

Page 32: ...ax at 100 psi 690 kPa Air for Pinch Valves Only on HP HVOF version 1 3 CFM 30 85 l min at 70 psi 483 kPa 2 2 Description The Praxair Model 1264 Powder Feeder is an electronically controlled pressurized unit that produces accurate repeatable feed rates The Model 1264 is used with plasma and High Velocity Oxygen Fuel HVOF thermal spray systems The Model 1264 operates on a volumetric feed principle w...

Page 33: ...ed until operator turns off power to canister See Section 4 for a description of Model 1264 modes A large numeric display shows current and pertinent canister conditions These include powder wheel RPM hours the unit has been in actual powder feeding operation since its last preventive maintenance overhaul and total run time hours 2 3 Options Powder Wheels The Model 1264 comes with the standard pow...

Page 34: ...lve Retrofit Kit is an internally mounted set of air operated pinch valves that provide instantaneous positive powder feed shutoff while maintaining feeder pressure which allows quick restarts This is standard for 1264 Powder Feeders being used with JP 5000 and JP 8000 HP HVOF systems 1284 Powder Gas Control P N 800841 The 1284 Powder Gas Control provides carrier gas control and remote operation f...

Page 35: ..._______________ Issued 04 16 Page 24 1288 Carrier Gas Controller P N 801004 The Model 1288 is designed to provide safe operation of Praxair 1264 type powder feeders from potential back flow of dangerous combustion gases up the powder feed lines when used with gaseous fueled GF HVOF systems where hopper pressures are typically over 50 PSI 345 kPa ...

Page 36: ... crate to reveal the powder feeder Set crate panel aside away from the uncrating operation area 2 Remove all packing material and parts containers from around the powder feeder 3 Have two workers remove the powder feeder from the crate in the following manner a From the powder canister end of the feeder reach between the base uprights to the operating position latch b While supporting the powder f...

Page 37: ... switch in the open position removing fuses from fuse box or shutting off and red tagging circuit breaker or other disconnecting device Figure 3 1 Bottom Views of Model 1264 Plasma HVOF Feeder Install the 1264 using a floor plan in accordance with general safety instructions described in Section 1 Place system components so all interconnecting cables and hoses terminate without strain 3 2 1 Instal...

Page 38: ...se P N 985 4 12 to powder exit port on bottom of powder feeder 4 Connect other end of powder hose to gun at its powder tube as directed in the gun operator s manual 5 Connect powder feeder power cable P N 5005028 to power inlet on bottom of powder feeder 6 Connect other end of powder feeder power cable to 110 VAC power source The powder feeder is now operational 7 Verify that the canister lid is s...

Page 39: ...other end of powder feeder gas supply tube to the appropriate carrier gas outlet fitting on the control console as directed in the control console operator s manual 3 Connect the Pinch Valve supply tube P N 220021 to the Air inlet port on bottom of powder feeder see Figure 3 3 4 Connect other end of the Pinch Valve air inert gas supply tube to the appropriate pinch valve air inert gas outlet fitti...

Page 40: ...perator s manual 7 Connect powder feeder power cable P N 5005028 to power inlet on bottom of powder feeder 8 Connect other end of powder feeder power cable to 110 VAC power source The powder feeder is now operational 9 Verify that the canister lid is secured and apply carrier gas to the powder feeder Check for leaks EXPLOSION HAZARD Never use an explosive gas as the carrier gas VIOLENT FAILURE HAZ...

Page 41: ...Model 1264 Powder Feeder Operator s Manual _____________________________________________________________________________________________________________________ Issued 04 16 Page 30 Notes ...

Page 42: ...Issued 04 16 Page 31 Section 4 Operation EXPLOSION HAZARD Do not operate this powder feeder with other vendors gaseous fueled HVOF systems without the use of the TAFA Model 1288 Carrier Gas Controller or ensuring that hopper pressure is greater than the HVOF torch s combustion back pressure before opening powder feed line Figure 4 1 Model 1264 Operator Controls ...

Page 43: ...on A Preventive Maintenance Time Accumulator Press Display mode selector button on left side of numeric LED display to see Preventive Maintenance PM Time Accumulator value The PM time accumulator has the number of hours that the unit has been in actual powder feeding operation since its last preventive maintenance overhaul The time recorded represents running hours only Time spent simply with powe...

Page 44: ...and tenths of hours not hours and minutes This value shows the amount of use and wear that unit components experience such as the motor that are not subject to scheduled or periodic overhaul operations Press display select button a third time to return to RPM display mode immediately All displays will automatically return to RPM display mode after a time out period 4 4 Heater Blanket On Off Switch...

Page 45: ...r or adding powder C Local Mode Place LOCAL REMOTE mode switch in LOCAL position to activate Local Mode In Local Mode hopper activation is controlled by the POWDER FEED switch see Section 4 1 Powder feed indicator light illuminates when powder is feeding D Remote Mode Place LOCAL REMOTE mode switch in REMOTE position to activate Remote Mode In Remote Mode putting POWDER FEED switch in ON position ...

Page 46: ... another see Sections 4 10 and 4 11 Feed wheel runs continuously at 25 RPM until stopped by placing CLEAN switch in OFF position 4 7 Remote Control Options A Remote On Off Control The Model 1264 may be automatically activated from other Praxair Surface Technologies PST thermal spray system equipment Cables providing the required electrical interface connections are as follows Control Source Connec...

Page 47: ...OLE 610767 L with 610654 Junction Box PST 7700 7780 Based CONSOLE 610660 L with 610654 Junction Box The 1264 powder wheel speed may be controlled from an external 4 20 mA source by applying the speed control current to J4 pin 5 positive and J4 pin 10 negative see Electrical Schematic on page 57 Place a 130 Ohm precision resistor across those to pins to develop the voltage required to generate the ...

Page 48: ...peed of 12 5 RPM 8 Apply a current of 20 mA to J4 5 with respect to Iso Gnd 9 Adjust potentiometer R20 for a powder wheel speed of 25 RPM 10 R18 and R20 will interact with each other so it will be necessary to repeat steps 5 through 9 until the wheel speed is linear throughout its range NOTE 1 For full resolution of 4 20 mA but to lower top wheel speed while retaining resolution you can decrease t...

Page 49: ...instruments to ensure accuracy 6 To operate as shown the Local Remote Switch should be set to REMOTE and the Feed On switch should be set to ON Additionally you can monitor the status of Feed On though spare contacts in K2 Wire s 30 N C 34 N O and 31 Common These wires are spares tied back into the existing harness Relay K2 is energized during Feed On 7 For full resolution of 4 20mA but to lower t...

Page 50: ...r than the HVOF torch s combustion back pressure before opening powder feed line ELECTRIC SHOCK HAZARD Use caution when handling the powder feeder or feed lines There is a possibility of static electricity discharge from the powder feed system As powder flows through the powder feeder and feed lines static electricity can buildup and discharge at random intervals This can cause a shock to anyone w...

Page 51: ...tion 1 Keep powder hose as straight as possible especially near the feed port 2 Place HEATER switch in ON position to keep dry any powder left in the hopper overnight 3 A small amount of powder may continue to flow after the wheel stops particularly in HVOF Pressurization Mode The HP HVOF version of the feeder with pinch valves reduces this affect by pinching off the powder feed tube and opening a...

Page 52: ... INJURY HAZARD Be sure work area is adequately ventilated before starting any work on adding or removing powder to the powder feeder Operator should be wearing respirator and latex gloves when handling powder Breathing or touching powders can be hazardous to your health Always disconnect power before servicing or dismantling powder feeder Use this procedure when changing powders of a similar natur...

Page 53: ...down latch actuator on the back of the feeder see Figure 4 4 Completely pivot feeder to empty powder from canister see Figure 4 3 Figure 4 4 1264 Tilt Latch Actuator 6 Disconnect powder hose from gun Disconnect carrier gas supply hose from powder feeder 7 For the HP HVOF version with pinch valves disconnect air gas tube to the pinch valves from the feeder 8 Place CLEAN switch in ON position to rot...

Page 54: ...and or arm inside of powder canister while power is connected to powder feeder PERSONAL INJURY HAZARD Be sure work area is adequately ventilated before starting any work on adding or removing powder to the powder feeder Operator should be wearing respirator and gloves when handling powder Breathing or touching powders can be hazardous to your health Always disconnect power before servicing or dism...

Page 55: ...e 4 3 6 Disconnect powder hose from gun Disconnect powder feeder gas supply hose from powder feeder 7 For the HP HVOF version with pinch valves disconnect air gas tube to the pinch valves from the feeder 8 Place CLEAN switch in ON position to rotate feed wheel at maximum RPM 9 Force clean dry air into the gun end of the powder hose to purge the hose of any powder 10 Direct air into canister to blo...

Page 56: ...eder before proceeding further 14 Disconnect heater blanket cable from powder feeder enclosure see Figure 4 5 15 Use a long handled standard screwdriver and unscrew the tamper assembly inside the canister and remove 16 Remove the carrier gas supply hose tube from the canister 17 Loosen the pressure relief tube nut where it meets the powder feeder chassis Then loosen the pressure balance tube nut w...

Page 57: ... for the original to return to its original shape before reassembling powder feeder 23 Occasionally powder may bind the surface ring into its slot Use compressed air around the edge of ring to remove powder Rock the ring to free it from slot If the ring consistently binds in the slot reduce the PM Time Accumulator hours by half until the surface ring can move up and down within its slot Wipe clean...

Page 58: ...be properly hold the bulkhead fitting with a wrench on the inside of the cabinet while tightening the nut on the outside 29 Reconnect nuts hoses and heater blanket plug 30 Reinstall the tamper assembly only hand tight It will self tighten with use 31 Replace lid 32 Reconnect powder hose at the gun 33 Reconnect electrical power to the feeder 4 12 Emergency Shutdown For emergency shutdown place MAIN...

Page 59: ...Model 1264 Powder Feeder Operator s Manual _____________________________________________________________________________________________________________________ Issued 04 16 Page 48 Notes ...

Page 60: ...d ELECTRIC SHOCK HAZARD Do not touch live electrical parts Shut down the control unit and disconnect the input power using proper lockout tagout procedures before inspecting maintaining or servicing the equipment Lockout tagout procedures consist of locking the line disconnect switch in the open position removing fuses from the fuse box or employing another disconnecting device HIGH TEMPERATURE HA...

Page 61: ... hrs act feed time Check powder carrier wheel Replace if flatness exceeds 0 003 in 076 mm or if area underneath powder grooves has wear of 0 003 in 076 mm Every 500 hrs act feed time Wipe Off Excess Dirt Dust As Needed A Resetting Preventive Maintenance Time Accumulator Press Display mode selector button on left side of numeric LED display to see Preventive Maintenance PM Time Accumulator value Th...

Page 62: ...eal Replacement After every 80 hours of operation disconnect and lock tag out power to the powder feeder and perform the following 1 Wipe powder dust dirt from all exterior surfaces of powder feeder and cart including pressure gauge and safety valve 2 Verify that canister is depressurized then remove canister lid 3 Remove powder from canister see Sections 4 10 and 4 11 4 Disconnect fitting on lowe...

Page 63: ...using Remove powder canister upper housing assembly see Figure 5 1 10 Remove motor shaft jam nut and washer see Figure 5 2 11 Carefully lift up the powder wheel and remove Do not pry with a tool or distort the wheel Check for excessive wear and replace if necessary If replaced the white surface ring P N 1250 106 must also be replaced as these two items wear as a set Figure 5 1 Upper Housing Assemb...

Page 64: ... parts except the powder out sleeve P N 1250 107 Remove and discard the 2 008S and the 2 164B O rings that seat in the lower housing Blow out ring grooves with clean dry air to remove any residual powder 13 Open chassis cover 14 Remove the three socket head bolts inside enclosure that hold the lower housing to the cabinet 15 Loosen nut around the powder tube fitting on the bottom of the lower hous...

Page 65: ...refully remove the quad rings Replace with new quad rings P N Q 4022 Lightly lube the rings and shaft area 22 Replace bearing and lock nut if removed Carefully press bearing back into lower housing 23 Replace retainer ring and screws Shaft rotation should be somewhat stiff 24 Replace the lower housing by following steps 13 17 in reverse order Verify that set screw is locked onto shaft key Avoid be...

Page 66: ...itting on main chassis 30 Install the three 3 8 16 x 1 socket head cap screws 31 Tighten pressure balancing tube assembly fitting To tighten and seal the pressure balancing tube properly hold the bulkhead fitting with a wrench on the inside of the cabinet while tightening the nut on the outside 32 Reattach heater connection lead 33 Install the tamper assembly fit u shaped slot on the flat spring o...

Page 67: ...ct brushes frequently to determine a replacement schedule Brush caps are on lower left and lower right side of gear motor item 42 in the parts list Unscrew brush caps with an offset slot screwdriver then pull the brushes out of brush boxes by the cap D 2 Brush Inspection and Cleaning Replace brushes before they wear to less than 0 250 in 6 35 mm in length Periodically remove carbon dust accumulati...

Page 68: ...leakage past the seal 3 Check for proper lubrication of the quad rings and shaft Lubricate them lightly when replacing seals 4 If the flange of the lower housing that protrudes into the powder wheel loses its black anodizing and exposes the aluminum replace the bearing because powder has probably entered the internals of the bearing 5 If no powder is apparent under the wheel or around the shaft th...

Page 69: ... Powder Wheel RPM Display Brushes in motor Check brushes Replace if necessary see Section 5 1 C Heater blanket not heating Heater blanket plug not plugged in receptacle Install heater blanket plug correctly RPM display not illuminated Fuse F1 Check and replace if necessary Erratic powder feeding Inadequate carrier gas pressure Adjust carrier gas pressure Powder not dry Turn on heater blanket Powde...

Page 70: ...er Feeder Operator s Manual _____________________________________________________________________________________________________________________ Issued 04 16 Page 59 Figure 5 4 1264 Electrical Schematic 5006802 Rev L ...

Page 71: ...ator s Manual _____________________________________________________________________________________________________________________ Issued 04 16 Page 60 Figure 5 5 Estimated Feed Rate Calibration for 1264 Feeder with Standard Wheel ...

Page 72: ...erator s Manual _____________________________________________________________________________________________________________________ Issued 04 16 Page 61 Figure 5 6 Estimated Feed Rate Calibration for 1264 Feeder with Fine Wheel ...

Page 73: ...or s Manual _____________________________________________________________________________________________________________________ Issued 04 16 Page 62 Figure 5 7 Estimated Feed Rate Calibration for 1264 Feeder with High Volume Wheel ...

Page 74: ...ator s Manual _____________________________________________________________________________________________________________________ Issued 04 16 Page 63 Figure 5 8 Estimated Feed Rate Calibration for 1264 Feeder with 120 hole Wheel ...

Page 75: ...ator s Manual _____________________________________________________________________________________________________________________ Issued 04 16 Page 64 Figure 5 9 Estimated Feed Rate Calibration for 1264 Feeder with 240 hole Wheel ...

Page 76: ...tor s Manual _____________________________________________________________________________________________________________________ Issued 04 16 Page 65 Figure 5 10 Estimated Feed Rate Calibration for 1264 Feeder with 320 Hole Wheel ...

Page 77: ...Model 1264 Powder Feeder Operator s Manual _____________________________________________________________________________________________________________________ Issued 04 16 Page 66 Notes ...

Page 78: ...___________________ Issued 10 15 Page 67 Section 6 Parts List Figure 6 1 1264 Drawing Index DRAWING INDEX VIEW A A Figure 6 2 VIEW B B Figure 6 2 VIEW C C Figure 6 3 VIEW D D Figure 6 3 VIEW E E Figure 6 3 VIEW F F Figure 6 4 VIEW G G Figure 6 4 SECTION J J Figure 6 4 SECTION H H Figure 6 5 SECTIONS G G AND H H For Pinch Valve Kit Figure 6 6 ...

Page 79: ...Powder Feeder Operator s Manual _____________________________________________________________________________________________________________________ Issued 10 15 Page 68 Figure 6 2 601195 rB 1264 Hopper Assembly ...

Page 80: ...UPPER PRECISION 1 20 1250 106 RING SURFACE 1 21 1270 102 HOPPER CANISTER STANDARD 1264 1 22 1270 101 WINDOW RING HOPPER STANDARD 1264 1 23 1270 402 LATCH HEAVY DUTY TENSION 4 24 1270 403 HOOK HEAVY DUTY TENSION 4 26 5007064 GAUGE PRESSURE 2 0 30 0 150 PSI kPa 1 27 16010 FITTING ADAPTOR GAS BR R H OXYGEN 1 28 5004423 TEE PIPE STREET SS 1 29 16013 PLUG PIPE SOCKET HEAD 1 16 MPT 1 30 1270 013 TUBE AS...

Page 81: ...4 Powder Feeder Operator s Manual _____________________________________________________________________________________________________________________ Issued 10 15 Page 70 Figure 6 3 1264 Rev R S1 1264 Chassis ...

Page 82: ...4 Powder Feeder Operator s Manual _____________________________________________________________________________________________________________________ Issued 10 15 Page 71 Figure 6 4 1264 Rev R S2 1264 Chassis ...

Page 83: ...eder Operator s Manual _____________________________________________________________________________________________________________________ Issued 10 15 Page 72 Figure 6 5 1264 Rev R s3 1264 Chassis Motor Electrical View ...

Page 84: ... 180 1250 109 WHEEL POWDER STANDARD STD FOR PLASMA 1 REF 1250 141 WHEEL POWDER FINE 1 REF 451760 WHEEL POWDER FINE 240 HOLE 1 REF 1253 109 WHEEL POWDER HIGH VOLUME 1 REF 5008643 WHEEL POWDER 120 HOLE STD FOR HVOF 1 REF 452024 WHEEL POWDER STANDARD 320 HOLE 1 220 1250 517 KEY SQUARE 3 16 X 5 8 1 240 012012 BEARING GUIDE ROLL 2 280 1270 514 UNIVERSAL JOINT 1 300 015015 FOOT RUBBER PAD 2 310 1250 520...

Page 85: ...1120 5002527 FUSE 3 AMP SLOW BLOW 2 1130 5007096 LABEL SCALE SYMBOL CE 1 1140 5007074 PANEL 1264 LEXAN FRONT CE 1 1150 5007077 BULB GREEN BEZEL 2 1190 5004770 INSERT TUBE SWAGE 1 4 2 1210 5006759 TERMINAL QK DIS CON 0 25 DUAL 1 1220 5007737 FILTER AC LINE CORCOM 1 1230 5008612 BEZEL RED FILTER ASSY 1 1330 5003948 VARISTOR 130V MOV 1 1370 250925 COVER TERMINAL 1 1380 5007094 LABEL WARNING DISCONNEC...

Page 86: ...R FLAT 1 4 6 AU 7000231 SCREW MACHINE ROUND HEAD 6 32 X 3 8 1 AV 7000271 SCREW MACHINE FL HD 4 40 X 1 2 1 AW 7000363 WASHER STAR 4 INTERNAL TOOTH 16 AX 7000364 NUT HEX 4 40 16 AY 7000366SS SCREW SOCKET HEAD CAP 10 32 X 3 4 STAINLESS 3 AZ 7000423SS SCREW SOCKET HEAD CAP 3 8 16 X 1 5 STAINLESS 3 BA 7000514 NUT ACORN 1 4 20 4 BB 7000517SS SCREW SOCKET BUTTON HD 4 40 X 3 8 STAINLESS 16 BC 7000527 SCRE...

Page 87: ...der Feeder Operator s Manual _____________________________________________________________________________________________________________________ Issued 10 15 Page 76 Figure 6 6 601163 rF 1264 Pinch Valve Kit Option ...

Page 88: ... 4 66 IN 11 414093 COIL PINCH VALVE TO ORDER COMPLETE ORDER WITH 414092 VALVE PINCH 2 EA 12 270029 TIE WRAP 15 EA 13 210332 FITTING ELBOW 1 4 TUBE 1 8 MNPT 1 EA 14 540225 LABELS PINCH VALVE KIT 1 EA 15 200063 SCREW BHSCS 8 32 X 3 8 2 EA 16 210649 INSERT TUBE 1 4 1 EA 17 440042 FILTER INLINE 1 4 TUBE 1 EA 18 201142 SCREW FHSCS 8 32 X 3 8 4 EA 19 240477 TERMINAL FORK 2 EA 20 240480 TERMINAL STRIP 1 ...

Page 89: ...Praxair Surface Technologies Inc TAFA Division 146 Pembroke Road Concord NH 03301 www praxairsurfacetechnologies com psti info praxair com Telephone 1 603 224 9585 Fax 1 603 225 4342 ...

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