Graco 226-161 User's Manual
Contents
1. Pump fails to operate no material discharge o f 1 3 h 6 8 9 Pump operates but insufficient material discharge 2 4 7 14 Excessive surge at spray gUMecoormoncacarorsooracrossso 1 2 9 10 12 Insufficient material breakupes esecessocseccecececesecces 1 2 2 5 6 9 11 Tails in spray Patterns vecccservacnvescceseseeseseseseres 1 2 4 6 11 Spray gun spitting cs ssecererecazio cc 00 r00siore0nc00es00e 13 Too heavy a coating thicimoBBacacsuee stanno ziazen sense ras 5 10 11 CHECK POINT NO POSSIBLE CAUSES l Restricted air supply line Insufficient air capacity Air valve closed or clogged Air regulator inoperative or set too low Air regulator set too high Material too viscous Insufficient material in container Clogged material intake strainer Clogged material filter tip or tip filter High flow rate tip orifice too large Improper or worn spray gun tip l2 o Surge chamber inactive if used 13 Worn damaged or obstructed gun parts lh 4 Worn or obstructed pump valves or packings MAINTENANCE TT ETETETT lhesssssoo TT Doma APA 8 999995 e sas ws lI s e 9 it eee IMPORTANT NOTES Keep unit mixing container thinner and relieve material pressure in system by opening solvent and material CLEAN and free of foreign particles which could clog strainer screens and or plug the small orifice in spray tip 2 Keep lower pump Assemb2. SEPARATE icr a De 100 188 FOR MODELS 226 161 164 57 AND 226 163 00 214 cs e iio po EN mg 101 706 497 i Gene 205 49 ED 101 704 Y 100 016 101 705 4 100 609 100 214 100 077 GER A Se 100 077 AIR ELEVATOR FOR MODELS 226 165 AND 226 167 154 636 100 538 TRUCK 164 216 AND 205 319 ELEVATOR GROUP 101 545 101 958 16 SE NN l 164 558 205 433 100 157 205 496 100 538 i nis 100 1334 100 575 4 This equipment has been carefully manufac tured to exacting GRACO standards It is war ranted against defective materials and or work manship as set forth in the GRACO WARRANTY xcessive wear due to passage of abrasive or corros ve materials through this equipment shall not be construed as indication of defective parts within the limitations of this warranty IMPORTANT NOTES PTFE material hose is expensive HANDLE WITH CARE GRACO WARRANTY does not cover abuse such as sharp kinking crimping or crushing AIR REQUIREMENTS Air pressures required to operate pump range from 20 to 100 p s i CAUTION Do not use more than 100 lb of air pressure to operate pump During continuous operation at normal work ing pressures and operating speeds this unit will require actual air delivery of approximately A c f m per gun plus 3 c f m for continuous use of agitator To provide reserve capacity for peak load conditions compressor should delivery 2
3. fice openings 7 Lower pump into material If unit with manual elevator unhook hanger to lower If unit with pneumatic elevator lower by disconnecting air hose 160 023 from elevator air line fittinz Refer to Fig 1 NOTE The speed at which unit is elevated bv air is set at factory If adjustment is necessary loosen lock nut of air restrictor valve 203 743 and turn restrictor screw clockwise to decrease or counterclockwise to increase Lock Screw in place with lock nut when adjustment is completed Air restrictor valve 203 743 is locat ed atop elevator tube Refer to Fig 1l 8 If unit includes a filter kit 205 52 or a filter kit 205 523 and a surge tank 205 476 refer to illustrated instructions in separate Form 306 696 for easy conversion of manifold 205 485 to a filter or a filter surge chamber 9 Insert delivery end of material dispens Start pump by opening ON OFF pump air petcock 202 338 and set ting regulator 205 360 at 30 p s i Refer Fig L Allow pump to operate until all traces of rust inhibiting oil with which pump was treated s removed Stop pump and discard material pumped NOTE If accessories have been added to unit for two gun operation open material shutoff valves 205 583 and insert ends of both hoses into waste container before starting pump Refer to Fig 2 lO Connect swivel 204 940 attached to free end of material dispensing hose to spray gun inlet OPERATION IMPORTANT NOTES
4. 306 Co Em STRAINER QV D 205 306 ce d STRAINER TRUCK AND 159 959 ELEVATOR GROUP 159 959 MODEL 226 161 SERIES A STATIONARY LESS WHEELS ANO BRAKE MODEL 226 165 SERIES A MODEL 226 163 SERIES A MODEL 226 167 SERIES A WITH MANUAL ELEVATOR WITH PNEUMATIC ELEVATOR 164 700 157 628 157 367 205 587 101 180 202 ei N 101 687 161 415 3 NRT Pi A 205 528 202 338 gt B4 157 245 l 100 403 e 157 241 e 4 i01 02 100 002 161 411 FOR PARTS ES SEE AIR LINE PETCOCK 205 360 lt SEPARATE 162 376 SHEET SES 00 721 101 195 205 541 161 413 4 00 348 158 917 Amm 100 133 101 368 E 205 307 AGITATOR 164 178 AIR BLOWER VALVE 162 363 a 162 362 al w 100 MESH at 157 898 57 589 v Sr 150 522 OS METIA 157 470 na Y 150 516 SE GE t577469 A Nt E T LEE cz AE S ani Ee E x 157 466 Si E 3 162 694 Ait Ca uerum LEE S 157 558 ee ye A e S e 157 559 Eo D 162 746 MED n NE Free eran 202 437 204 940 EXTRA SCREEN AIR LINE COUPLER STRAIGHT SWIVEL 50 MESH rr 205 306 2 STRAINER ri 157 628 g MAE l0t 448 164 246 i60 162 160 163 156 108 MTM Y IC 157 367 VALV 156 306 100 158 50 179 159 924 164 245 164 247 205 334 e 164 248 205 332 ELEVATOR CEN 1 LER 205 333 205 476 205 523 Acme SURGE TANK FILTER KIT FOR MODEL FOR MODELS 226 167 226 165 4 226 167 CSHIPPED LOOSE SHIPPED LOOSE FOR PARTS SEE 205 332 205 485
5. application with almost complete elimi nation of overspray All units are equipped with a material outlet manifold having a valve for re circulating material or dumping sludge Also manifold has an extra material outlet for addition of amp second spray gun Models 226 165 and 226 167 include a filter kit shipped loose which can be easily installed in manifold to filter the materi al Also Model 226 167 includes a surge tank shipped loose that can be easily assembled to manifold to eliminate material surge NOTE A tungsten carbide spray tip of customers choice is included in all units The proper spray tip to be used for a specific material should be determined by a test conducted by your local Graco Industrial Distributor or by his recommendation from previcus experience with the same or similar material Fee HE Prw i D RC NS a e Un Factory Branches NEW YORK Long Island City PHILADELPHIA DETROIT CHICAGO ATLANTA SAN FRANCISCO HOUSTON FORM 306 704 PUBL SHED 6 FOR PARTS SEE 205 162 PARTS SEE cda AY GUN SPARATE ui Eon pants sce DM i M aid E ron para see IM RE e SEPARATE SHEET CHOICE s A SRERRALE AREE CHOICE A PR e Uv P iz 204 940 204 940 205 216 Ta Ee an N 205 216 160 023 i 160 023 100 030 95920 202 437 202 437 205 307 205 307 a AGITATOR AGITATOR e d eet St S Sin Bie 205 349 204 938 EH 15 FT CR 25 FT eri 205
6. color amp pplication Units utilize sir pressure to 1 operate the pump which powers the transfer of material to the spray tip 2 drive the agitator that thoroughly mixes and keeps material solids in sprayable suspension and 3 power the pneu matic elevator of Models 226 165 and 226 167 for fast easy material container changing No air used to atomize the material no pressure on container no possible aeration of material Special air powered reciprocating type Dump d au ei CH m E S MR UNDE S DEEM Ur C Pw Ae AM Mors of S nti e PEL UR bdo tede LY f lot en cal i i A K e CL em P et te K n dex S S LI UN Za Y S n s H ET pia oie A z d e ET vn i i aee k r a m Y mj n ie LR e ge S 3 Y le E E 3 re bi IE ta 7 S RE A DONE EN TA Z2 m DS e 1 ipu CM i A k paraa ve e K Jm A ge ege g T s E m E LE A od E SE Se f Se a sue 2 A us si Pra stata M SCH EC p E x ni vit H PILAE MEC ge 25 gis gt E tta SR pon f A D MINNEAPOLIS provides continuous duty action with equal rres sure and volume deliverv on both strokes Pump develops material pressure 28 times grester tban the inbound air pressure For example at 60 PS inbound air the pump develops 1680 PSI material pressure Units are designed for high volume prod uction type spraying of protective coating paints and similar light materials providing a heavy one coat
7. 5 more air than required for normal operation of all equip ment which it is to serve Air supply hose 205 216 includes a static wire to effectively ground the unit If addi NOTE Consumption of compressed air is low tional air supply hose is required it should since in this Hydra Spray process air is not need be of the same type ed to atomize the paint PREPARATION FOR OPERATION before reaching unit NOTE A Graco air line strainer 204 999 accessory may be purchased separately for removing foreign matter from air entering the unit Attaches to air manifold l Remove contents from carton and connect the wire braided Dupont PTFE lined material hose 205 349 15t or 204 458 125 to nipple 164 672 protruding from material outlet manifold 205 485 Connect the end without swivel 204 940 162 376 as shown in Fig 2 attached to nipple 164 672 See Fig 1 DO NOT connect swivel 204 940 attached to other end of e 205 216 NPT THESE ARE ACCESSORIES this hose to spray gun at this time DO NOT USE D e THREAD SEALER AT ANY SWIVEL CONNECTION po 205 216 5 NAT pe gt 203 743 202 338 cm 205 360 205 485 j 464 672 205 583 237 ai em 4 bini di Ka 04 938 25 150 023 A A y CH op 202 437 A C IG 05 349 15 162 376 205 528 gt 4 XN FIG 205 3078 HORIZONTAL CLOSED Qs F l G 2 NOTE Check dump valve of manifold 205 485 it should be closed When closed its knob ipo NOT
8. Ae se INSTRUCTIONS AND PARTS LIST 10 GALLON PRESIDENT HYDRA SPRAY UNITS STATIONARY MODEL LESS WHEELS AND BRAKE WITH MANUAL ELEVATOR 226 161 SERIES A HAS MANIFOLD WITH DUMP VALVE WITH MANUAL ELEVATOR 226 163 SERIES A HAS MANIFOLD WITH DUMP VALVE TIP OF CUSTOMERS CHOICE L ant 2 AIR INLET MANUAL ELEVATOR MODEL 226 163 ILLUSTRATED N AT MODEL 226 165 E E P e Rd WW Ae J Ae Es ee T PORTABLE MODELS WITH PNEUMATIC ELEVATOR 226 165 SERIES ATI 226 167 SERIES A HAS FILTER HAS FILTER wITH DUMP WITH DUMP VALVE VALVE AND SURGE TANK PNEUMATIC TIP OF ELEVATOR CUSTOMERS CHOICE po AIR INLET 25 F T HOSE ILLUSTRATED DESCRIPTION These Hydra Spray Units apply light materi als by utilizing HIGH HYDRAULIC PRESSURE THROUGH A SMALL FLUID ORIFICE The combination of high fluid pressure and small orifice creates fine material breakup without atomizing air This airless spraying system without heat was origi nally pioneered and developed by Graco engineers to improve the consistency and lower the costs of coating applications The portable truck mounted Hydra Spray units wheel directly to the work wherever the job site in plant or out side on rough terrain or in a remote area Works direct from original 1 to 10 gallon con tainers Provides fast color changing for short run work quick mobility for constant one
9. E Models 226 163 226 165 amp 226 167 are is in a horizontal position Refer to Fig 1 equipped with a brake to set brakes push down with foot on rod protruding from bracket attached to back of truck base and guide rod into notch at bottom of bracket If Model 226 161 or 226 163 with hand operated elevator lift up on elevator hanger and hook over handle NOTE If elevator is difficult to raise apply a little grease to exterior sur faces of handle ends If Model 226 165 or 226 167 with air operated elevator disconnect air line coupler 202 437 attached to end of air hose 160 023 from air line 2 For operation of a second spra purchase these accessories separately two 2 high pressure material shutoff valves 205 583 a second hose 205 349 15 or 204 938 25 a lh second swivel 204 940 a second spray gun 205 162 and a second spray tip of customers choice Re move nipple 164 672 and plug from manifold 205 485 and qonnect valves and hoses as shown inFig 2 3 Attach one end of 15 foot air supply hose 205 216 to source of air supply and screw other end of hose into air manifold swivel adapter fitting in agitator 205 307 and connect to air 162 376 Refer to Fig 1 Male hose studs are line fitting 157 367 atop elevator as shown in Fig threaded NPT Install a master air valve l With air admitted to unit elevator will raise drain or bleed type in the air supply line in unit and hold it there until air hos
10. UN AND FILTER OR SURGE CHAMBER Refer to separate sheet for maintenance in structions and parts identification REPAIRING HYDRA SPRAY HOSE Hvdra Spray hose is constructed of Dupont PTFE inner lining tube with stainless steel wire braid outer cover This hose is expensive and should be handled with care If hose should become damaged it can be salvaged by assembling couplings to the broken ends of hose sections Graco detachable and reusable couplings consist of two parts the female swivel stud 204 937 and the sleeve 162 366 and are assembled upon hose in the following manner NOTE A hose coupling fixture Graco No F 20898 specifically designed to facilitate the assembly of couplings upon this type of hose may be obtained from factory This fixture consists of a two pisce assembly block and an assembly tool as shown in Fig 7 8 and 9 l Position the two piece assembly block on hose with plain side of block toward hose end to be cut and clamp in a vise as shown in Fig 7 Cut off with a fine tooth hand hack saw d 4 iio A BLOCK FIXTURE NO F 20898 2 Remove hose from block and grip in vise about 2 inches from end just cut CAUTION Do not crush the hose apply only enough pressure on the vise jaws to hold while forcing the sleeve onto hose 3 Add a drop of oil to the end of the wires position assembly block with its grooved side toward end of hose just cut and slide block onto hose until it protrudes ab
11. atisfactory Unit must be flushed at the end of each working week Thorough ly flush unit with thinner or solvent of type re commended for use with the material as follows 1 Remove spray tip and gun filter cartridge if used from spray gun and soak in clean recommend ed type solvent 2 With air supply to unit turned on dis connect air hose to agitator and connect it to elevator to raise unit or manually raise and hook hanger over truck handle 3 With pump air petcock 202 338 open direct spray gun into material container and start pump operating by squeezing trigger of spray gun Unit will pump air forcing the material out of the system back into container When the air has flushed out as much material as possible stop punp and open manifold dump valve Drain excess materi al from all loops in hose After material has stopped draining close manifold dump valve 4 Remove container of material from base and position in its place a pail containing approxi mately 2 gallons of compatible solvent Lower pump into pail of solvent 5 Set air to pump at approximately 20 p s i direct gun to material container and trigger gun to start pump Pump will move the solvent under pressure through the system flushing the internal cavities of manifold and filter or surge tank When solvent appears at gun stop pump release pressure in system and remove spray gun 6 Remove spray gun from hose and thoroughly clean in accordance w
12. ay s spraying must be diligently followed l Shut off air to pump by closing pump ON OFF air control petcock 202 338 See Fig 1 Handle is at right angle to petcock body when closed 2 Relieve material pressure in pump hose and spray gun by opening drump valve of manifold This will allow the material trapped in the system to drain back into material container After ma terial has stopped draining remove and clean Open end of filter filter cartridge or screen if used Close drain valve 3 Remove spray tip and filter if used rom spray gun Immerse in clean recommended type solvent and wash thoroughiy with a fine bristled brush Using the air blower valve 205 541 attached to air manifold 162 376 blow air through tip from front to back and through Refer to Fig 1 Keep spray gun forward end submerged in clean re commended type solvent until ready to start spraying again NOTE Do not remove the spray gun from dispensing hose unless the unit is to be completely flushed Keeping unit fully charged with material will minimize the necessity for flushing unit CAUTION Water based paints will require _ final flushing with solvent DAILY and also oiling of all external moving pump parts to prevent the rusting of the wetted parts To completely flush unit follow the procedure outlined in subsequent paragraph entitled FLUSHING UNIT SERVICE DIAGNOSIS TROUBLESOME SYMPTOMS CHECK POINT NOS
13. e 160 023 is such location that air can be turned on and off disconnected 5 Remove from base the 10 gallon pail pro vided Wipe clean its interior and pour into it material stirred and thinned to the proper spray consistency or place a smaller container of ma terial inside the lO gallon pail Stir material thoroughly making sure there is no heavy pigment concentration or cake formed on the bottom of the container The pigments must be well dispersed to prevent them from clogging the fluid intake strainer 205 306 when the pump is initially lower ed into the container of material NOTE For a small container such as a one gallon can the material intake strainer must be removed in order to get the lower pump housing and the agitator propellor into the container amp Check the position of foot valve feet in relation to the perforated plate 162 363 of pump fluid intake strainer When the plate and screen are held in position by the retaining ring 162 416 the feet of foot valve body must contact and sup port the perforated plate 162 363 as shown in Fig 3 PUMP FOOT VALVE 152 353 d DDT 162 416 62 362 100 MESH OR FIG 3 162 746 SO MESH NOTE If desired the 100 mesh screen in strainer 205 306 can be removed and replaced with the extra more coarse 50 mesh screen 162 716 sup plied Refer to Fig 3 This 50 mesh screen ing hose into a waste container should be used with spray tips having larger ori
14. es then start air motor Run motor slowly After smooth operation has been achieved and kerosene has been blown from exhaust stop motor remove oiler Screw and fill oiler with a light air motor oil NOTE MAKE NO ATTEMPT TO DISASSEMBLE AIR MOTOR If it should need repair contact your nearest Graco Authorized Service Depot FLUID SHUTOFF VALVE 205 583 ACCESSORY Worn O rings ball seat or ball may cause valve to fail to operate If service is necessary shut off air supply relieve fluid pressure and re move valve Place valve body in a vise and drive the two pins out of holes in valve body Remove valve cap from body being careful not to turn cap as this would shear off the locating pins in valve body See Fig 6 Disassemble and replace any worn or damaged parts NOTE With handle removed nom ring 154 741 can be best removed by first re moving ball 162 834 from body and then pushing handle shaft down into cavity in valve body HANDLE SHAFT LOCATING PINS 154 741 SPRING P S C ORIVE PINS 155 463 HANDLE FLUID Wi de 800Y WASHER 162 833 SEAT RETAINER 162 834 BALL FIG 6 ELEVATOR LUBRICATION Every 2 to weeks with elevator free of air pressure unserew and remove cap 164 246 Fill inner cavity of cup leather 150 179 with SAE 20 oil Replace cap Raise elevator and lubricate exposed surface of elevator guide tube 164 247 See parts illustration for location of parts PUMP REGULATOR SPRAY G
15. inspection plate and examine progress of agitation through hole in cover It is extremely important that all solids are put in suspension and held there during the entire spray operation 5 Allow agitator to continue operation hile unit is supplying material to spray gun SUPPLYING MATERIAL TO GUN l Stop pump and close manifold dump valve fter material has been circulated sufficiently nd before attempting to spray When closed nob of dump valve is n a horizontal position 2 Open material shutoff valves 205 583 accessory if used Handles are parallel to alve body when open Refer to Fig 2 3 Open ON OFF pump air control petcock 02 338 With petcock open manifold dump valve losed and air regulator 205 360 set to control he air pressure admitted the pumping action of mp is controlled by operation of spray gun iqueezing trigger of spray gun open automatically tarts pump operating forcing material under ressure from gun spray tip 4 Adjust pump to minimum pressure required 0 obtain desired breakup and spray pattern of naterial This setting will vary due to viscosity naterial orifice diameter and fan angle of spray sip To increase air pressure to pump turn ad justing knob of regulator 205 360 clockwise and JOTE The amount of air pressure supplied t jump determines the pressure of the material forced through the orifice in spray tip Pump levelops material pressure 28 times that of the If manufactu
16. ith procedure outlined in separate Instruction Sheet for the spray gun Keep spray gun head immersed in solvent until attached to hose again 7 Direct end of material hose into pail of solvent and start pump by opening air line petcock 202 338 Allow thinner or solvent to circulate through system and back into pail for a period of 10 to 15 minutes Wash material from exterior of lower immersion pump 8 After thoroughly flushing unit stop pump and connect material hose to spray gun Squeeze trigger of spray gun and open air line petcock to start pump Allow pump to operate long enough to fill hose and sprey gun with solvent Keep unit filled with solvent overnight or weekend until ready to spray again i 9 Recirculate solvent for about 5 minutes prior to charging unit with material 10 Close spray gun and raise pump Start pump operating by squeezing trigger of spray gun and continue operating until most of solvent has been blow out of system Drain excess solvent from loops in hose and filter or surge chamber if used After draining tank of filter or surge chamber close its dump valve ll Replace container of material upon base lower pump into container connect air hose to agitator and charge unit with properly mixed material NOTE When changing colors or incompatible types of material flush unit as described HOW EVER amp longer circulation period will necessarily be required and in some cases a second flushi
17. l For most satisfactory operating condi tions locate pump and material so that the not be subjected to temperatures below 65 E 2 Do not attempt to spray materials con taining heavy fillers dirt or other coarse particles Coarse grind coagulated contaminat ed and skinned materials that will not pass freely through the openings in size of screen or filters being used without clogging can not be satis factorily sprayed Due to the extremely small orifice diameter in spray tip through which ma terial must be forced under pressure it is very important that particles which could plug this orifice are not present in the material to be sprayed 3 Daily before starting to spray remove and clean filter if used of spray gun Daily with air pressure shut off and relieved remove and clean screen in air line strainer 204 999 accessory if used Add light oil to screen cavity in strainer nut See Fig L will Pr 156 944 ES FIG amp A R LINE STRAINER 5 Daily or more often if experience indi cates necessary WITH PUMP DEACTIVATED AND FILTER DUMP VALVE OPEN TO RELIEVE MATERIAL PRESSURE re move and clean filter cartridge or screen if used Refer to Fig 1 6 Daily remove and clean screen in pump material intake strsiner 205 306 When replacing check to be sure that plate 162 363 s in contact with feet of pump foot valve Refer to Fig 3 7 When thinning mater al cleaning filte
18. ly filled with and spray gun head immersed in recommended type clean solvent after flushing unit and until ready to start spraying again 3 To relieve unit of unnecessary pressure when not in use shut off air pressure to pump dump valve of manifold or filter 4 Daily or more often if experience in dicates necessary drain filter or surge tank re move filter cartridge or screen if used and clean Before draining tank and removing filter cartridge or screen shut off air pressure to pump and relieve material pressure by opening dump valve Replace cartridge or screen after cleaning and close dump valve 5 If surge tank 205 476 is being used with out filter parts installed it should be drained as often as experience indicates necessary Stop pump and open dump valve After material has drained completely from tank close dump valve 6 Shut off air pressure to unit and relieve rressure in air line before removing screen 156 967 in air line strainer 204 999 accessory if used Daily clean this screen and at reassembly edd light oil to screen cavity in nut 156 944 Re fer to Fig La FLUSHING UNIT The frequency with which unit should be flush ed depends upon type or types of material punped zeneral operating conditions and usage of unit It is wise to establish a regular flushing schet ule In some instances it may be desirable to flush unit daily while in other cases less freauent flushing may prove s
19. ng using clean thinner or solvent may be necessary Also if manufacturer of another type of material to be sprayed recommends using a different type of thinner or solvent the thinner or solvent used in the first flushing must be flushed out to eliminate the possibility of separation or jelling of ma terial components The surge tank or tank of manifold or filter should be removed and parts thoroughly scrubbed clean Surge tank is equipped with a removable plug to facilitate cleaning AGITATOR Agitator air motor 101 687 must be properly oiled with a light air motor oil whenever unit is shutdown or is not to be operated for a period of 8 hours or more All compressed air contains some moisture and if air motor is not properly lubricated before shutdown rust may result To oil motor l Remove oiler screw from air motor top Ze Je Apply 3 to 4 drops of oil to oiler Replace oiler screw and run motor for about 1 2 minute Air motor should require no attention other than to be oiled However if too heavy an oil has been used or other improper oiling practices have been followed gumming of rotor may result in which case air motor should be flushed as follows OILER SCREW FIG 5 Remove exhaust muffler 161 415 l overflowing with kerosene Fill to Replace muffler E 2 A Remove oiler from air motor top cap See Fig 5 Fill oiler with kerosene Replace oiler 3 Allow a soaking period of 5 to 10 minut
20. oint gun directly at the face Never put the hand or fingers directly over the spray tip Use of protective leather gloves is recommended Never place the tip or gun nozzle directly in contact with any part of the body Always shut off air pressure to pump and re lieve material pressure in system before attempt ing to remove gun tip or screen and or removing gun for service Always remove tip from gun to clean it Always tighten threaded connections care fully and securely and handle hose carefully to prevent leaks that could cause physical harm same pressurized stream coming from orifice in gun tip Always be sure that the equipment supplying the material to spray gun is properly grounded to prevent sparking The high velocity flow of material through the spray tip may cause static electricity to be developed Use only metal braid material dispensing hoses or static pro tected hose Also be sure to provide for the proper grounding out of the compressor PREVENTIVE MAINTENANCE At least twice daily and during any lengthy interruption of spraying with material pressure relieved remove and clean gun spray tip and tip filter in clean solvent of a type recommended by manufacturer of the material being sprayed Blow parts dry with air pressure Also immerse gun nozzle in clean solvent during shut dow periods SHUTDOWN PROCEDURE To maintain efficient operation of unit this shutdown procedure at the completion of each d
21. out 1 32 to 1 16 of an inch beyond the end of hose See Fig 8 ASSEMBLY TOOL CAUTION OF FIXTURE DO NOT CRUSH NO F 20898 HOSE TOTEM 162 386 SLEEVE PRESSURE HERE FIG 8 A Slip the threaded end of sleeve 162 366 ver assembly tool as shown in Fig 8 and while holding block in place on hose insert end of tool into hose and end of sleeve into groove OIL LIGHTLY 204 937 STUD FIG 9 5 While twisting sleeve back and forth with a wrench apply body pressure to assembly tool and as sleeve is forced onto hose allow block to slide back After about inch of hose is covered remove the block and continue to force sleeve onto the hose until end of hose reaches the shoulder in sleeve Refer to Fig 10
22. rer of material does not re Do not set higher than inbound air pressure 5 While spraying be sure at all times to hold spray gun perpendicular approx 90 to surface to be sprayed with its spray tip 12 to 14 inches from surface or greater if the material spray will cover satisfactorily NOTE Good Hydra Spray technique is very similar to con ventional spraying with air except for the greater distance spray tip should be held from work surface the larger coating thickness pro duced which results in less pattern overlapping and the positive action used when triggering gun NOTE Refer to the SERVICE DIAGNOSIS CHART in this Instruction Sheet for assistance in lo cating troubles which may occur during spraying Also refer to separate Instruction Sheets for Specific information pertaining to the spray gun pump regulator and manifold or filter SAFETY PRECAUTIONS The Hydra Spray equipment develops extremely high material pressure which remains in the system until relieved by shutting off the air to pump and releasing the material pressure by opening manifold dump valve In operation if the fine high pressure stream of material released from spray gun is allowed to come in direct contact with the hand or any part of human body it could penetrate the skin and cause physical harm HANDLE THE HYDRA SPRAY GUN AS CAUTIOUSLY AS YOU WOULD ANY GUN LOADED OR UNLOADED The fol lowing safety precautions should be observed Never p
23. rs screen tips etc changing types of material to be sprayed or flushing unit be sure to use CLEAN solvent of a type recommended by manufacturer of material being sprayed Use of the wrong solvent may cause jelling or separation of material compo ents which could cause clogging of strainer filter and spray gun tip DO NOT USE COMMON GUN CLEANER NOTE ommend a specific type of solvent check the com atability of the solvent to be used for thinning he material by dropping a single drop of the materi 1 into a small container of the solvent If the aterial drop clouds or disperses readily the sol ent is compatible If drop tends to string or orm a ball the solvent is not compatible and efinitely should not be used AGITATION OF MATERIAL Thorough agitation of material should be iccomplished prior to pumping material to spray zm Agitation can best be obtained as follows l Snap air line coupler 202 437 onto agi sator air fitting and agitator will be energized lefer to Fig l 2 Turn agitator air valve 205 528 two or nore turns to the left to start agitator air notor Refer to Fig l Speed of agitation nay be adjusted to suit the particular viscosity of material used NOTE Excessive agitation speed may cause vibration and foaming of material Use moderate agitation speeds at all times 3 Open manifold dump valve and start pump This permits pump circulate the material under light load 4 Lift hinged
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