I.C.T.C. Holdings Corporation HRO-ST3131 User's Manual
Contents
1. Page 10 Mar 8 2004 FLUSHING PROCEDURE Follow the pressures relief procedure on page 3 1 ue po c9 UR 11 12 13 14 Remove and clean gun filter Unscrew filter housing retainer ref 1 should be hand tight and remove and clean filter ref 5 thoroughly Re install the filter housing and retainer Flush sprayer without filter screen installed Close prime valve Pour a gallon of the correct thinner into a clean 5 gallon pail Insert the intake tube into the pail Turn regulator control knob all the way counter clockwise Point prime valve bleed tube into 5 gallon pail Turn the pump ball valve on and slowly increase the pressure until sprayer starts Open prime valve Allow thinner to circulate back into the pail for a short period to flush the prime valve Close the prime valve While firmly holding a metal part of the gun against a metal waste container trigger the gun into a separate waste container Keep the gun triggered until clean solvent is sprayed from the gun Release the trigger and engage the safety lock Remove the intake tube from the pail Trigger the gun once again to discharge thinner from the hose Do not let the pump run dry for more than a couple of minutes or damage to the pump packing could result Unscrew filter housing retainer and re install the filter screen Repeat steps 3 9 with clean solvent Turn the ball valve off and open the prime valve NOTE Filter housing retainer re2. lul i aa A INDUSTRIAL SERIES HRO ST3131 OWNERS MANUAL WARNING DO NOT ATTEMPT TO OPERATE THIS MACHINE UNTIL YOU HAVE READ AND UNDERSTOOD ALL SAFETY PRECAUTIONS AND OPERATING INSTRUCTIONS EQUIPMENT AND CHEMICALS WHEN USED IMPROPERLY CAN BE DANGEROUS 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 C H E R O WARRANTY H E R O INDUSTRIES guarantees this airless pump to be free of defects in materials and workmanship to the original owner for a period of one full year from the date of purchase The warranty entitles the owner to parts replacement at no charge The parts replacement warranty is valid for any necessary replacement whither caused by material or workmanship defect or simple wear H E R O Industries offers no warranty on the intake ball outgo ball drive belt hoses gun or accessories plastic rubber other soft goods or motor used in or supplied with the H E R O sprayer Motor accessories etc which are supplied by other manufacturers and are attached to or supplied with the H E R O airless pump are warranted only to the extent that these parts are warranted by their respective manufacturers Warranty claims must be made directly to such manufacturers or their local authorized service depots The warranty is only applicable to the original purchaser and the equipment has been properly used operated and maintained in accordance with all instructions prec
3. fire explosion or property damage Always check all spray equipment regularly and repair or replace worn or damaged parts without delay Workman and assistant must always wear protective eyewear gloves clothing and respirator as recommended by the material manufacturer HRO ST3131 PRESSURE RELIEF PROCEDURE Always follow PRESSURE RELIEF PROCEDURE before servicing cleaning or removal of the spray tip to prevent serious bodily injury fluid injection or splashing in the eyes 1 Engage the spray guns safety latch in LOCK position 2 Shut off the power to the gas engine 3 Disengage the spray gun safety latch and aim the spray gun into the side of grounded metal pail and trigger the gun to relieve pressure 1 Re engage the spray gun safety latch in LOCK position 2 Open the drain valve to release pressure Leave drain valve in open position during all service operations 3 Leave drain valve open until you are ready to spray again If you feel that the spray tip or hose is completely clogged or pressure has not been fully relieved after following the steps above remove the tip retaining nut and release pressure gradually HOSE SAFETY Because of the high pressure in the hoses if the hose develops a leak rupture or other damage High pressure fluid could penetrate the skin causing serious bodily injury e Never use damaged hoses Before using check the en tire hose for cuts leaks abrasion or
4. a bulging cover If any type of damage is noticed replace the hose immedi ately e Spring guard Hoses must have spring guard on both ends where easy to damage or wear than other parts Tighten all fluid connections securely before use High pressure fluid can dislodge a loose coupling Do not pull on hoses to move only lift the hoses up to move them e Do not exceed the hoses to temperatures above 180 de grees 82 degrees C or below 40 degrees F 40 degrees C e Before using be sure to check a tag on it which speci fies the maximum electrical resistance and do not exceed the recommended limits e Ungrounded or poorly grounded hose can give way to serious system hazards or fire explosion hazard Page 5 Mar 8 2004 GROUNDING SAFETY e Filter manifold Removes and filters out the impu rities from the paint before reaching the spray tip Check your local electrical code for detailed grounding Prime valve Releases fluid pressure from the instructions for your area and type of equipment and be pump hoses and guns Turn counter clockwise to sure to ground all of this spray equipment as the open and clockwise to close following e Spray Gun Make sure that gun is in good operating condition Pump Use a ground wire and ground to a good source such as the building ground source or drive a steel spike into the ground and attach the ground AIRLESS SPRAY TECHNIQUE wire to it Good airless spray
5. autions and warnings contained in this manual For the purpose of this warranty damage resulting from accident abuse improper cleaning or operation fire flood or Act of God is not covered H E R O s liability is limited to replacing parts found to be defective or worn and does not include transportation costs damage or other expenses of any kind incurred in connection with the purchase and use of this sprayer Repairs claimed under warranty must be performed at an authorized H E R O Service Center using only genuine H E R O parts Parts necessary under warranty claim will be supplied by your local H E R O Service Center DO NOT return worn parts to factory without authorization To qualify for the warranty the warranty card attached to this page supplied with this H E R O airless pump must be completed with equipment serial number and signed by the purchaser and postmarked within ten 10 days of purchase SPADA PDA PAA PAPAL PRA OO OO OO OO HRO ST3131 Page 2 Mar 8 2004 UNIT LAYOUT Hydraulic Motor Pump Wet Cup Prime Drain Hose Suction Hose at Pump Outlet Spray Hose Hook Up Prime Drain Valve amp Pressure Control 7 Nd Hydraulic Pump Shut Off Valve Hydraulic Fluid Fill amp Vent Hydraulic Fluid i Level Gauge Paint Piston 90 1 ei Suction Tube amp Suction Filter HRO ST3131 Page 3 Mar 8 2004 SAFETY WARNING e Use of this high pressure equipment could r
6. cation should checked to make certain that it has not e fluid hoses must be properly sized and pressure skinned over rated for this equipment e Use only grounded fluid hoses e Pressure regulator This controls pump pres sure and outlet pressure by adjusting the adjustment knob to the pump e Hydraulic shut off valve This lever type valve Me shuts off fluid pressure from hydraulic pump on thinning the material to be sprayed e Suction tube filter Removes harmful and course careful not to add too much solvent over materials from entering pump thinning paint makes the coating hard to control and reduces its coverage e Stir paint thoroughly to dissolve hard pigments e Strain the paint through a fine nylon mesh bag available at most paint dealers to remove particles that may clog filters or spray tip e Follow the paint manufacturer s recommendation HRO ST3131 Page 6 Mar 8 2004 WARNING If there are leaks shut off the pump immediately and release system pressure Follow the Pressure Relief Procedure then tighten connections start the pump again and check to be sure leaking has stopped Always use the lowest pressure necessary to get the desired results Higher pressures waste fluid and cause premature wear of the pump packings and spray tips Never allow the pump to run dry of the fluid being pumped because a dry pump will quickly accelerate to a high speed possibly damage itself If t
7. esult in serious injury and is for professional use only e You must operate this equipment only after the instruction manual is clearly understood Workman and assistant must always wear protective eyewear gloves clothing and respirators as recommended by the material manufacturer GAS HYDRAULIC POWERED AIRLESS SPRAY GUN SAFETY WARNING SPRAY PUMPS e Never point the gun at yourself or anyone Gas Hydraulic powered airless spray equipment is an else This can result in serious injury industrial paint sprayer which uses a gas engine to drive a Safety latch Engage trigger safety latch in hydraulic pump which in turns produces hydraulic pres the closed or LOCK Position see FIG 1 sure This pump delivers pressure fluid to a hydraulic mo whenever you stop spraying even for a mo tor which drives a high pressure airless piston pump ment Failure to engage trigger safety latch of these components make this unit a heavy duty portable can result in serious injury airless sprayer which is capable of high volume and high A Trigger safety guard This prevents the production able to pump and spray light to very high vis A DE cous materials Airless spray is fast economical and gun from triggering accidentally when it is needs no atomizing air dropped or bumped You must not operate without the trigger safety guard Airless spray systems use a high pressure pump When cleaning or changing the tips use ex to s
8. f 1 only has to be hand tight NOTE NEVER LEAVE THE UNIT UNDER PRESSURE WHEN NOT SPRAYING MOTOR TURNED OFF RELIEVE PRESSURE BY TRIGGERING GUN NOTE TO PREVENT CORROSION AND TO REDUCE THE RISK OF FLUID FREEZING IN THE PUMP NEVER STORE THE UNIT WITH PAINT OR WATER IN THE PUMP SYSTEM EVEN OVERNIGHT HRO ST3131 Page 11 ch OUO 6 00 OOOOOOO VX ODGO COGO eo Mar 8 2004 Manufactured by H E R O INDUSTRIES 2719 LAKE CITY WAY BURNABY B C CANADA 604 420 6543 800 494 4376 604 420 8725 Purchased From Date of Purchase HRO ST3131 Page 12 Mar 8 2004
9. ger safety lock vicing or removal of the spray tip nozzle Fig 1 Push up to engage lock HRO ST3131 Page 4 Mar 8 2004 EQUIPMENT PRESSURE The HRO ST 3131 pump can develop 3500 P S I 225 Bar maximum working pressure at Never exceed this maximum pressure to the pump Exceeding the maximum working pressure can result in serious equipment damage or rupture FIRE OR EXPLOSION WARNING The flow of fluid through the inside of pump and hose can give occasion to static electricity by the high velocity so be sure to ground every part of the spray equipment properly Sparking can ignite fumes from solvents and fluid being sprayed dust particles and other flammable substances whether you are spraying indoors or outdoors It can result in serious bodily injury or property damage Never plug in or unplug any power supply cords in the spray area where there is any chance of igniting fumes still in the air If you experience any static sparking or even a slight shock while using this equipment stop spraying immediately and check the entire system for the grounding situation Do not use again until the problems have been identified and corrected EQUIPMENT ALTERATION WARNING Never alter any part of spray equipment or other accessories Altered or modified such as over pressurizing modifying parts using incompatible chemicals and fluids including worn or damaged parts can result in malfunction causing serious bodily injury
10. he pump accelerates quickly or is running too fast shut off pump immediately and check the fluid supply KEY POINTS BEFORE STARTING TO SPRAY Check the hydraulic fluid level in the tank 2 Check the engine oil level Check the grounding of the system to prevent static sparking Flush the system and test for leaks 5 Lubricate the pump with Hero piston lubricant part 4 02 40 3PL 1 in the wet cup 6 Remove and check gun filter if used to see that it is clean 7 Closed the prime drain valve Check the level of paint in the supply container and see that the paint has been thoroughly mixed and if necessary thinned 9 Keep the pump hose and gun clean inside and outside HRO ST3131 OPERATION Follow the Pressure Relief Procedure before operating FLUSHING TO CLEAN SYSTEM Flush the pump hose and gun with the solvent as Recommended by your material supplier FLUSH THE PUMP BEFORE STARTING Make sure that engine is shut off WARNING DO NOT INSTALL THE SPRAY 2 Connect a suction hose to the pump s fluid inlet or put in a metal pail containing a gallon of compatible sol vents 3 Close the drain valve 4 Hold a metal part of the spray gun firmly against the side of a grounded metal pail and hold the trigger open 5 Turn the switch to the on position and start 6 Very slowly turn the pressure regulator clockwise until the pump starts about 100 P S I 7 Cycle the pump slowly until all air i
11. l service department Follow pressure relief instructions Follow pressure relief procedures and check the following hardened paint in pump Pump stokes but poor performance Fault in pump section Worn spray tip Improper tip size Material too viscous thick Gun filter and or pump filter plugged 6 Engine may not be running correctly 7 Fluid section seized by dry paint Pump may need repair Replace tip Replace tip Thin material with appropriate thinners per product manufacturer s instructions Clean or replace filter s Check and choke and throttle positions Clean amp rebuild fluid section See 15 17 Low or Erratic Output Pressure HRO ST3131 1 Air leaks or blockages 2 Worn Upper Packings Intake or Outgo balls and or seats 3 Cylinder sleeve leakage 4 Worn spray tip 1 Check the following Intake tube fitting Plugged intake screen Intake Teflon O ring 2 Re pack pump 3 Replace cylinder sleeve seal ref 15 4 Change tip Page 9 Mar 8 2004 WARNING If there are leaks shut off the pump immediately and release system pressure follow the Pressure Clearance Procedure then tighten connections start the pump again and check to be sure leaking has stopped Always use the lowest air pressure necessary to get the desired results higher pressure waste fluid and cause premature wear of the p
12. leave a pump shut off if the material supply has been exhausted and air has been pumped into the lines e Prime the pump and lines with material or flush and leave filled with solvent with pressure relieved MAINTENANCE DAILY SHUTDOWN PROCEDURE e Shut off power to engine e Close hydraulic ball valve e Always bleed off paint pressure in the system by triggering the gun open and opening the drain valve and have a container ready to catch the paint draining from the drain valve e Remove the tip from the gun and clean and leave it in solvent until ready to use again Do not disconnect the gun or hoses and keep the unit filled with coating to reduce the need for flushing NOTE When using fast drying paints immerse the suction tube in a container of solvent during shutdown periods Clean the pump s intake screen SHUTDOWN FOR STORAGE Always follow the Pressure Clearance Procedure and when storing the unit proceed as follows Flush the unit clean as instructed above Sometimes it takes several flushings each with solvent to clean thoroughly Flush the pump hoses and gun with full of solvent unless the flushing solvent is water or ketone solvent to remove water or ketone solvent fill the system with min eral spirits solvent or light oil for long storage periods and wipe all external wetted parts with oil Also remove water or ketone solvent used from exposed part of pump displacement rod
13. s pushed out and fluid is flowing in a steady stream 8 Release the spray gun trigger and engage the safety latch in the Lock position and carefully check all connections in the system for leaks 9 Follow the Pressure Relief Procedure and then install the spray tip in the gun Page 7 Mar 8 2004 WARNING If there are leaks shut off the pump immediately and release system pressure follow the Pressure Relief Procedure then tighten connections start the pump again and check to be sure leaking has stopped Always use the lowest air pressure necessary to get the desired results Higher pressures waste fluid and cause premature wear of the pump packings and spray tips Never allow the pump to run dry of the fluid being pumped because a dry pump will quickly accelerate to a high speed possibly damage itself If the pump accelerates quickly or is running too fast shut off pump immediately and check the fluid supply NOTE The pump will stall out stop against the pressure without any damage to the pump SETTING UP TO SPRAY Always follow the Pressure Relief Procedure before cleaning or removing the equipment or servicing any part of system equipment Immerse the pump intake or suction tube in paint Make sure drain valve is open Start the engine e Open the hydraulic ball valve to allow hydraulic fluid to flow to hydraulic motor e Paint pump should start to pump material and you sho
14. technique is much like conventional 2 Fluid hoses Use only grounded hoses to a maxi air spray except that you hold the gun further from mum of 500 FT 150M work surface you get more coating thickness which 3 Spray Connect to a properly grounded fluid results in less pattern overlapping and you use more hose and pump positive action when triggering gun 5 Object being sprayed amp Fluid supply tank sources should be grounded 6 Solvent pail Use only metal pails not plastic or Hold the gun 10 12 in from the work the distance use the pail on a non conductive surface such as varies with the covering ability of the paint type of card board or plastic sheeting surface to be sprayed and the spray pattern MOVING PARTS SAFETY WARNING Moving parts can cause to pinch or seriously injure your fingers or other body parts e Keep clear of moving parts when starting or operating the pump and be sure to follow the Pressure Relief Procedure to prevent the pump starting accidentally INSTALLATION PREPARING PAINT FOR USE If you have any trouble installing contact These are probably the most important steps Hero technical service for support or assistance toward trouble free spray painting 1 800 494 4376 e Prepare the paint or other coatings according to the manufacturer s instructions e Install the correct spray hose and spray tips to suit Ff the paint has been opened before the product the type of appli
15. to use again Do not disconnect the gun or hoses keep the unit filled with solvent to reduce the need for flushing NOTE When using fast drying paints immerse the suction tube in a container of solvent during shutdown Clean the pump s intake screen SHUTDOWN FOR STORAGE Always follow the Pressure Clearance Procedure and when storing the unit proceed as follows Flush the unit clean as instructed It may take re peated flushing with solvent or water to clean the sys tem thoroughly Fill the pump hoses and gun full of solvent If the flushing solvent used as water or a keytone type solvent fill the system with mineral spirits or light oil for storage over a long period Wipe all external wet ted parts of the pump with oil Make sure that water or keytone solvent is removed from the wet cup packing nut Page 8 Mar 8 2004 TROUBLE TROUBLE SHOOTING POSSIBLE CAUSE REMEDY Pump will not stroke Ball valve on the hydraulic shut off valve not opened to the on po sition Low or no hydraulic fluid Pressure regulator not turned up to high enough pressure Poor or damaged hydraulic pump Damaged hydraulic motor Paint pump at full pressure Paint pump seized Turn ball valve to the on position Hill with correct fluid Slowly increase the pressure by turning the regulator knob clockwise Call technical service department Call technica
16. uld notice material flowing out to prime valve e Let the pump run until the material is flowing evenly out of prime valve e Close the prime valve and unit should now build up with pressure Run the pump until paint flows smoothly from the gun without spitting release the trigger e Adjust the pump to the minimum pressure required to obtain the desired spray pattern of paint If atomization is not possible on thick paints thin with the compatible solvent Use the lowest pressure setting possible Ifthe pump accelerates quickly or is running too fast stop the pump immediately and check the mate rial supply Don t leave a pump shut off for a long period of time if the material supply has been exhausted and air has been pumped into the lines This can cause the material possibly to dry in the lines e Prime the pump and lines with material or flush and leave filled with solvent with the pressure relieved MAINTENANCE DAILY SHUTDOWN PROCEDURE e Close the on off air valve to the pump e Always be sure to stop the pump at the bottom of the stroke to prevent paint from drying on the displacement rod and damaging the throat packings e Always bleed off the paint pressure in the system by triggering the gun and opening the drain valve making sure to have a container ready to catch the paint draining from the drain valve e Remove the tip from the gun and clean and leave it in solvent until ready
17. ump packing and spray tip Never operate the pump to run dry of the fluid being pumped because a dry pump will quickly accelerate to a high speed possibly damage itself If the pump accelerates quickly or running too fast shut off immediately and check the fluid supply NOTE The pump will stall out stop against pressure without damage to the pump SPRAY STARTING AND ADJUSTING Always follow the Pressure Relief Procedure before cleaning or removing the equipment or servicing any part of system equipment e Immerse the pump intake or suction tube in paint sure drain valve is open e Let the pump run until it is primed and run until paint flows smoothly out of prime drain valve e Close the prime e Squeeze the gun trigger and open the on off air valve gradually at first to from the gun without spitting release the trigger and open the pump runaway valve fully e Tighten the tip retainer nut with moderate tension only e If pattern is not fully atomized gradually increase the pressure with the pump adjusting nut e Adjust the pump to the minimum pressure required to obtain the desired spray pattern of paint If atomization is not possible on thick paints thin with the compatible solvent HRO ST3131 e Use the lowest pressure setting possible Ifthe pump accelerates quickly or is running too fast stop the pump immediately and check the mate rial supply tank Don t
18. upply fluid to the spray tip where it is atomized treme caution and follow the PRESSURE by the pressure and sprayed onto a desired surface RELIEF PROCEDURE then remove the spray tip Control of the atomizing pressure is done by regulating the hydraulic fluid pressure in the hydraulic pump The spray is controlled by triggering a hand gun or activating the controls of an automated system The spray pattern and flow rate is controlled by choosing the spray tip best suited to your needs e Aim the spray gun into a grounded metal pail using the lowest pressure possible then trigger the spray gun Ifthe fluid sprayed is not diffused into a irregular stream replace the diffuser at once Ifthe spray tip clogs while spraying engage trigger safety latch in SAFE position immediately Never wipe off around the spray tip until pressure is fully relieved and the trigger safety latch in SAFE position GENERAL SAFETY WARNING High pressure spray can cause serious injury e Because of the high pressure and velocity of the fluid being atomized paint solvent or other fluids could penetrate through your skin into your body or eyes e Never point the spray gun at yourself or anyone else e Never put your hands fingers or any part of the body over the spray tip nozzle e Even after you shut off the pump there is still high pressure in the system You must always follow the PRESSURE RELIEF PROCEDURE before ser Trig
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