Graco 332245EN-E User's Manual
Contents
1. ti21107a 8 Start the pump by rotating the air regulator adjust ment knob E clockwise until pump begins to move ti21108a 9 When clean solvent flows from drain tube close drain purge valve S by rotating clockwise Pump will stall ti21109a 10 Follow Pressure Relief Procedure page 9 Leave solvent in and store sprayer 332245E Operation Prime 1 Follow Pressure Relief Procedure page 9 See FIG 1 Lock gun trigger Remove tip guard and Spray tip from gun H Refer to gun manual Place suction tube in a compatible fluid l NOTE Do not stretch hose tight let it hang to assist fluid flow into pump 4 Turn regulator adjustment knob E counterclock wise until it stops and gauge D reads zero ti21106a 5 Open bleed type master air valve C 11 Operation 6 Prime through drain valve 7 Place drain tube in a grounded waste pail Open drain purge valve S slightly by rotating coun terclockwise UK S Gy J ti21107a 8 Start the pump by rotating the air regulator adjust ment knob E clockwise until pump begins to move ti21108a 9 When clean material flows from drain tube close drain purge valve S by rotating clockwise Pump will stall l F cI 7 oN Z a ti21109a 10 Prime hose and gun a Dise2. I A MPa bar PSI Flush the pump e Before first use e When changing colors or fluids e Before repairing equipment e Before fluid dries or settles out in a dormant pump check the pot life of catalyzed fluids e Atthe end of the day e Before storing the pump Flush at the lowest pressure possible Flush with a fluid that is compatible with the fluid you are pumping and with the wetted parts in your system Check with your fluid manufacturer or supplier for recommended flushing fluids and flushing frequency 1 Follow Pressure Relief Procedure page 9 2 See FIG 1 Lock gun trigger Remove tip guard and spray tip from gun H Refer to gun manual 3 Place suction tube in a compatible solvent y l NOTE Do not stretch hose tight let it hang to assist fluid flow into pump 10 4 Turn regulator adjustment knob E counterclock wise until it stops and gauge D reads zero E ti21106a Open bleed type master air valve C Flush hose and gun a Disengage gun trigger lock SH AO rk b Trigger gun slowly open regulator adjustment knob E until pump begins to cycle Trigger gun into grounded pail until a steady stream comes from gun Trigger gun for 10 15 seconds CN NS O W TI5048a TI8727a c Engage trigger lock 332245E 7 Place drain tube in a grounded waste pail Open drain purge valve S slightly by rotating coun terclockwise
3. Keep work area free of debris including solvent rags and gasoline Do not plug or unplug power cords or turn power or light switches on or off when flammable fumes are present Ground all equipment in the work area See Grounding instructions Use only grounded hoses Hold gun firmly to side of grounded pail when triggering into pail Do not use pail liners unless they are antistatic or conductive Stop operation immediately if static soarking occurs or you feel a shock Do not use equipment until you identify and correct the problem Keep a working fire extinguisher in the work area SKIN INJECTION HAZARD High pressure fluid from dispensing device hose leaks or ruptured components will pierce skin This may look like just a cut but it is a serious injury that can result in amputation Get immediate surgical treatment e Engage trigger lock when not dispensing Do not point dispensing device at anyone or at any part of the body Do not put your hand over the fluid outlet Do not stop or deflect leaks with your hand body glove or rag Follow the Pressure Relief Procedure when you stop dispensing and before cleaning checking or servicing equipment Tighten all fluid connections before operating the equipment Check hoses and couplings daily Replace worn or damaged parts immediately 4 332245E Ve E 332245E Warnings EQUIPMENT MISUSE HAZARD Misuse can cause death or serious injury e Do not operate the
4. Reconnect the Displacement Pump al Tilt the air motor onto its back then hand turn the displacement pump into the adapter plate Set the pump upright again Hold the air motor piston rod up with one hand With your other hand put the coupling nut 106 on the displacement rod Put the coupling collars 107 into the coupling nut 106 so large flanges point upward Place spring 118 over cou pling nut 106 Hold spring down t112817a to connect the air motor rod and coupling nut 106 Gently let the air motor piston rod drop onto the dis placement rod Hand tighten the coupling nut 106 332245E Repair 6 Screw the displacement pump into the adapter plate 103 until the cylinder top is flush with the top of the adapter plate Cylinder not wet cup should be flush with plate 103 FIG 6 Align cylinder and adapter plate 7 Align fluid outlet as shown and tighten the jam nut 8 Hold the flats of the motor rod with a wrench Use another wrench to tighten the coupling nut 106 Torque to 75 80 ft lb 102 108 Nem 17 Repair Disconnect the Air Motor 1 Flush the pump if possible See Flush page 10 Relieve the pressure See Pressure Relief Proce dure page 9 2 Disconnect the air hose fluid hoses and the ground wire 109 3 Hold the flats of the air motor piston rod with
5. required in your system to relieve air trapped between it and the air motor when the valve is closed Do not block access to the valve Trapped air can cause the pump to cycle unexpectedly which could result in serious injury from splashing or moving parts e The pump air regulator E controls pump speed and outlet pressure by adjusting the air pressure to the pump e The air relief valve not shown opens automatically to prevent overpressurization of the pump e The airless spray gun H dispenses the fluid The gun houses the spray tip not shown which is avail able in a wide range of sizes for different spray pat terns and rates of flow Refer to gun manual for tip installation e The hose J provides the gun fluid supply e The suction hose R with strainer allows the pump to draw fluid from a 5 gallon 19 liter pail e A optional fluid filter with a 60 mesh 250 micron stainless steel element filters particles from fluid as it leaves the pump e A fluid drain valve G relieves fluid pressure in the hose and gun Air Lines Accessories Install the following accessories in the order shown in FIG 1 using adapters as necessary e An air line filter B removes harmful dirt and mois ture from the compressed air supply e Asecond bleed type air shutoff valve A isolates the air line accessories for servicing Locate upstream from all other air line accessories Installation Grounding The
6. guards or covers removed e Pressurized equipment can start without warning Before checking moving or servicing equipment follow the Pressure Relief Procedure and disconnect all power sources TOXIC FLUID OR FUMES HAZARD Toxic fluids or fumes can cause serious injury or death if splashed in the eyes or on skin inhaled or swallowed e Read MSDSs to know the specific hazards of the fluids you are using e Store hazardous fluid in approved containers and dispose of it according to applicable guidelines e Always wear chemically impermeable gloves when spraying dispensing or cleaning equipment PERSONAL PROTECTIVE EQUIPMENT Wear appropriate protective equipment when in the work area to help prevent serious injury including eye injury hearing loss inhalation of toxic fumes and burns This protective equipment includes but is not limited to e Protective eyewear and hearing protection e Respirators protective clothing and gloves as recommended by the fluid and solvent manufacturer Installation Installation ANA h S POL M Lu K NAN ZA ZN O f FIG 1 Typical Installation A Air Shutoff Valve optional accessory Air Filter optional accessory Bleed Type Master Air Valve Pump Air Pressure Gauge Pump Air Pressure Regulator Cart Fluid Drain Valve Spray Gun Gun Fluid Supply Hose CTONNMOOU gt 4 AT gt DDD MD 25 H j NY UZS lt TA
7. lock 4 Hold a metal part of the gun firmly to a grounded metal waste container Trigger the gun to relieve fluid pressure 5 Engage the trigger lock 6 Open all fluid drain valves in the system having a waste container ready to catch the drainage Leave the drain valve s open until you are ready to spray again 7 If you suspect the spray tip or hose is completely clogged or that pressure has not been fully relieved after following the previous steps very slowly loosen the tip guard retaining nut or hose end cou pling and relieve pressure gradually then loosen completely With tip removed trigger gun into bucket Flush the Pump Before First Use The pump is tested with lightweight oil which is left in to protect the pump parts If the fluid you are using may be contaminated by the oil flush it out with a compatible solvent See Flush on page 10 332245E Operation Trigger Lock AS See FIG 4 Always engage gun trigger lock when you stop spraying to prevent gun from being triggered acci dentally by hand or if dropped or bumped lt N AN j x Gun Trigger b Safety Locked DAE E Gun Trigger Safety Unlocked TI5048a FIG 4 Trigger Lock Wet Cup AA Ya Before starting fill wet cup N 1 2 full with Graco Throat Seal Liquid TSL Part No 206994 or compatible sol vent FIG 5 Wet Cup Operation Flush
8. valves are open Obstructed fluid hose or gun fluid Open clear use hose with larger ID hose ID is too small Fluid dried on the displacement rod Clean always stop the pump at the bottom of its stroke keep the wet cup 1 2 filled with Graco throat seal liquid TSL Dirty worn or damaged air motor Clean or repair air motor See air parts motor manual Pump operates but output is low on Restricted line or inadequate air sup Clear line or increase air supply both strokes ply closed or clogged valves Check that the valves are open Obstructed fluid hose or gun fluid Open clear use hose with larger ID hose ID is too small Worn packings in displacement Replace packings See displace pump ment pump manual Pump operates but output is low on Held open or worn ball check valves Clear valve replace packings See downstroke or piston packings displacement pump manual Erratic or accelerated pump speed Exhausted fluid supply Refill and prime Held open or worn ball check valves Clear valve replace packings see or packings displacement pump manual Fluid being pumped is visible inthe Worn throat packings Replace throat packings See dis TSL reservoir placement pump manual To determine if the fluid hose or gun is obstructed relieve the pressure Disconnect the fluid hose and place a con tainer at the pump fluid outlet to catch any fluid Turn on the air just enough to start the pump It the pump
9. 1 50cc 48 1 75cc SYSTEM pump 48 1 see page 22 ar KIT air KIT air control X72 X72 MES KIT air control X48 Kama AN 1 D ame a Eee eae h 116401 ADAPTER elbow SA a a a a a 5 116402 ADAPTER quick connect UE IU S E peli in MR suction 1 in T connect 1 1197682 TUBE suction suction era 9 5 mm ID 25 ft 7 6 m 9 5 mm ID 25 ft 7 6 m a CON TRS with RAC gt D D ooo A CL 1 Po 117 156874 aa an A G 127 245143 VALVE pressure bleed tT Teras FITTING barbed pated 7 7 1 ft 116750 TUBE nylon AAA 15 105332 NUT lock lock ANA ISO CE E A al om MERE EE tube 0 65 ft 0 2 m Pe pe ei ere MAKAN MAKAN 1 4 nptm 6 mm ID 6 ft 18 m 6 mm ID 6 ft 1 8 m EE ee LT eet ea identification EN E ena lens 12 sticker sheet not shown order Kit 24A540 1 1 1 4 5 sheets Parts included in Drain Valve Kit 16U950 purchase separately 332245E 21 Parts Pump System Parts A Torque to 50 55 ft lb 68 75 Nem A Torque to 50 60 ft lb 68 81 Nem A Torque to 75 80 ft lb 102 108 Nem A Assemble pump 102 to top of within one thread Torque jam nut of pump to 70 75 ft lb 95 102 Nem 101 AN 104 103 ti21119a 102 22 332245E 16V175 Merkur X48 Pump System 16V174 Merkur X72 Pump System Ref 101 102 103 104 105 106 107 108 109 110 118 Part M18LNO 16U916 16U
10. 917 151392 15M662 15U606 151311 184128 111799 238909 289694 16U944 332245E Description MOTOR air 7 5 in LOWER assy 50cc 16V174 LOWER assy 75cc 16V175 ADAPTER pump lower ROD tie NUT lock m16 x 2 NUT coupler COLLAR coupling SCREW cap hex hd WIRE grounding assembly KIT cart GUARD spring Qty ZA a 1 NN Ww Cart Mount Kit 289694 Ref 201 202 203 204 205 206 207 208 209 119451 119452 115480 116630 111799 t112634a Description CART frame HANDLE cart CAP leg SLEEVE cart handle WHEEL semi pneumatic CAP hub KNOB t handle SCREW carriage SCREW cap M8 x 1 25 Parts 202 3S NNNNNND 23 Parts Pump Only Control Panel Kits 307 308 304 327 310 ti13567b 16U948 X48 Air Control Kit 16U947 X72 Air Control Kit Ref 301 303 304 305 306 307 308 310 311 313 314 317 318 319 320 321 322 326 327 24 Part 114362 121212 151536 151500 113498 151538 114381 24P814 Description Qty VALVE ball 1 TUBE 1 2 OD cut to fit 1 5 ft order Tubing Kit 24D496 ELBOW swivel 1 2T x 3 8 npt m 2 REGULATOR air 3 8 npt 1 ELBOW swivel 5 32 T x 1 4 npt 1 TUBE black cut to fit 5 in order Tubing Kit 24D496 SWIVEL 90 5 32T x 1 8 npt f GAUGE pressure VALVE safety NUT regulator SCREW cap button head PANEL LABEL panel not shown INSERT NUT lock not shown EL
11. BOW 1 2T x 1 2 npt COVER lens 12 sticker sheet not shown order Kit 24A540 for 5 sheets FITTING straight 1 2T x 3 8 npt m 1 RING grounding 1 ND NA 332245E Repair Kits Repair Kits Sprayer Models Description Merkur X48 Merkur X72 Drain Valve Kit 16U950 16U950 Includes tee fitting 11 bleed valve 12 barbed fitting 13 and nylon tube 14 Displacement Pump Rebuild Kit 16U925 16U924 See manual displacement pump manual XTR Gun Repair Kit 248837 248837 See gun manual Accessories Fluid Outlet Filter 16V583 Ref Part Description Qty 401 155665 UNION adapter 1 402 16W395 BUSHING PIPE 3 4 14 m x 1 3 8 18 f npt 403 237069 FILTER paint 7252 psi 50 MPa 1 500 bar 404 159239 NIPPLE pipe reducing 1 2 x 3 8 1 npt A Apply thread sealant to all pipe threads Sprayer Models Description Merkur X48 Merkur X72 Air Filter Kit 106149 106149 1 2 npt fbe inlet and outlet 20 micron filter See air filter manual 50 ft Fluid Hose 5200 psi rated H53850 Optional 50 foot hose 3 8 in ID 5600 psi 38 6 MPa 386 bar maximum working pressure 50 ft Fluid Hose 7200 psi rated H73850 Optional 50 foot hose 3 8 in ID 7250psi 50 MPa 500 bar maximum working pressure Whip Hose H52506 Replacement 6 ft 1 8 m hose 1 4 in ID 5600 psi 38 6 MPa 386 bar maximum working pressure Whip Hose H72506 Replacement 6 ft 1 8 m hose 1 4 in ID 7250psi 50 MPa 500 b
12. a wrench Use another wrench to loosen the coupling nut 106 4 Use a 23 mm socket to remove the tie rod nuts 105 5 Usea13 mm socket to remove the top two mount ing screws 209 6 Lift up on the air motor to remove it The tie rods 104 and will remain attached NOTE Remove the two screws on the arms and tip back or remove the air control panel for easier removal of the air motor 104 ee 7 Use a socket on the flats of the tie rods 104 to remove them from the bottom cover of the air motor NOTE See air motor manual for service and parts infor mation 18 Reconnect the Air Motor 1 Screw the tie rods 104 into the bottom cover of the air motor Torque to 50 55 ft lb 68 75 Nem Align the tie rods 104 with the holes in the pump adapter 103 Carefully lower the air motor into place Attach the tie rod nuts 105 and torque to 50 60 ft lb 68 81 Nem Tighten the mounting screws 209 Hand tighten the coupling nut 106 then torque to 75 80 ft lb 102 108 Nem Connect the air hose fluid hose and the ground wire 332245E Repair 332245E 19 Parts Parts System Packages 20 A Apply stainless steel pipe sealant to all non swiveling pipe threads ti21118a 332245E Parts System Packages System Packages Bare Packages 16U918 16U920 16V174 16V175 Merkur X72 Merkur X48 Merkur X72 Merkur X48 Description 72 1 50cc 48 1 75cc 72
13. age 25 for parts a Useawrench to hold the pump fluid outlet fitting in place and a second wrench on the drain valve tee fitting Remove drain valve tee fitting G b Place fluid filter 401 in a vise Apply thread sealant on threads and install fittings as shown 401 ti21356a AN If necessary remove barbed fitting 13 from tee fitting G and install in fluid filter kit drain valve FIG 3 Optional Fluid Outlet Filter Kit 2 See Fic 1 Attach end of fluid hose J to pump out let L or filter and tighten 3 Attach other end of fluid hose J to reducing nipple and whip hose K Attach whip hose to gun and tighten 4 Close bleed type master air valve C Connect air supply hose to air inlet ti21105a 5 Verify that suction hose fittings are tight 6 Flush before using See page 10 7 Prime before using See page 11 332245E Operation Pressure Relief Procedure Follow the Pressure Relief Procedure whenever you see this symbol Sn Vs ME sna A This equipment stays pressurized until pressure is manually relieved To help prevent serious injury from pressurized fluid such as skin injection splashing fluid and moving parts follow the Pressure Relief Procedure when you stop spraying and before cleaning checking or servicing the equipment 1 Engage the trigger lock 2 See FIG 1 Turn off the bleed type master air valve C 3 Disengage the trigger
14. ar maximum working pressure 332245E 25 Performance Charts Performance Charts Calculate Fluid Outlet Pressure To calculate fluid outlet pressure psi MPa bar at a spe To calculate pump air flow consumption scfm or Calculate Pump Air Flow Consumption cific fluid flow gpm lpm and operating air pressure m min at a specific fluid flow gpm lpm and air pres psi MPa bar use the following instructions and pump sure psi MPa bar use the following instructions and data charts pump data charts 1 Locate desired flow along bottom of chart 1 Locate desired flow along bottom of chart 2 Follow vertical line up to intersection with selected 2 Follow vertical line up to intersection with selected fluid outlet pressure curve Follow left to scale to air flow consumption curve Follow right to scale to read fluid outlet pressure read air flow consumption Merkur X48 48 1 Ratio 75 cc cycle Cycles per Minute 10 20 30 40 50 60 Fluid Outlet Pressure psi MPa bar 0 2 0 6 1 0 1 2 0 75 13 2 3 32 3 8 4 5 Fluid Flow gpm Ipm tested in No 10 weight oil Key A 100 psi 0 69 MPa 6 9 bar B 70 psi 0 48 MPa 4 8 bar C 40 psi 0 28 MPa 2 8 bar Fluid Flow Air Flow 26 Air Flow scfm m min 332245E Merkur X72 72 1 Ratio 50 cc cycle Cycles per Minute Fluid Outlet Pressure psi MPa bar Fluid Flow gpm Ipm tested in No 10 weight o
15. ase pressure counterclockwise to decrease pressure ti21111a 332245E Operation 6 Disengage gun trigger send SN PA DE 7 Spray a test pattern Read fluid manufacturers rec ommendations 8 Flush when done spraying See Flush page 10 9 Follow Pressure Relief Procedure page 9 Shutdown AA M LI Follow Pressure Relief Procedure page 9 Always flush the pump before the fluid dries on the dis placement rod See Flush on page 10 13 Maintenance Maintenance Preventive Maintenance Schedule The operating conditions of your particular system determine how often maintenance is required Establish a preventive maintenance schedule by recording when and what kind of maintenance is needed and then determine a regular schedule for checking your system Replace lens covers on regulator gauge lenses when dirt makes gauges difficult to read Tighten Threaded Connections Before each use check all hoses for wear or damage Replace as necessary Check that all threaded connec tions are tight and leak free Wet Cup Fill the wet cup one half full with Graco Throat Seal Lig uid TSL Maintain level daily 14 332245E Troubleshooting Troubleshooting NOTE Check all possible problems and causes before rte e an Pump fails to operate Restricted line or inadequate air sup Clear line or increase air supply ply closed or clogged valves Check that the
16. equipment and flush pail must be grounded to reduce the risk of static sparking Static sparking can cause fumes to ignite or explode Grounding provides an escape wire for the electric current 1 Pump See FIG 2 Verify that the ground screw MS is attached and tightened securely to the air motor Connect the other end of the ground wire M to a true earth ground Fic 2 Ground screw and wire 2 Pump fluid hoses use only electrically conductive fluid hoses Check electrical resistance of hoses If total resistance to ground exceeds 25 megohms replace hose immediately Genuine Graco hoses are conductive 3 Air compressor follow manufacturer s recommen dations 4 Spray gun ground through connection to a properly grounded fluid hose and pump 5 Fluid supply container follow your local code 6 Object being sprayed follow your local code 7 Solvent pails used when flushing follow your local code Use only metal pails which are conductive placed on a grounded surface Do not place the pail on a nonconductive surface such as paper or card board which interrupts the grounding continuity 8 To maintain grounding continuity when flushing or relieving pressure hold a metal part of the spray gun firmly to the side of a grounded metal pail then trigger the gun Setup 1 If it is necessary to filter the material at the pump fluid outlet install optional Fluid Outlet Filter Kit 16V583 See Accessories p
17. i _ Repair Ki Instructions Parts Pi gt See page 25 GRACO Merkur High Pressure Sprayer 2255 For protective coating applications in hazardous or non hazardous locations For professional use only See page 2 for model information including maximum working pressures e Important Safety Instructions Read all warnings and instructions in this manual Save these instructions ti21103a C X 06613 PROVEN QUALITY LEADING TECHNOLOGY Related Manuals Contents Related Manuals 2 MORE a een Peewee as 3 Merkur X48 Package 3 Merkur X72 Package 3 Bare Package 3 an 4 Installation codicia 6 General Information 7 Prepare the Operator 7 Prepare the Site 7 COMPONGEMS oo oooocooooooWdmomooo y 7 Air Lines Accessories 7 GIOUNGIAG Lena meet owe aas co e 8 0 0 ce Sse Rae eee des cs mn 8 O Perak e242 6525525deu ved RAIN ee 9 Pressure Relief Procedure 9 Flush the Pump Before First Use 9 Trigger LOCK o 6 civaia dn nata nasa ini 9 VOOR ae e bees oe oe es 9 RIUS Seu otto A ere eee ee eee etc 10 PNPS bete ew be ye a ee eee Ye ee 11 Install the Spray Tip 12 TI yas es me 13 Shutdown 3 22 saute cow aw eae ews 13 Maintenance 14 Preve
18. il Key A 100 psi 0 69 MPa 6 9 bar B 70 psi 0 48 MPa 4 8 bar C 40 psi 0 28 MPa 2 8 bar Fluid Flow Air Flow 332245E Performance Charts Air Flow scfm m min 27 Dimensions Dimensions 38 6 in 980 mm Y 6 lt H 20 5in CL 521 mm 28 332245E Technical Data Technical Data ds Maximum pump airiniet pressure 700 ps OT MPa 7 bar Ambient air temperature range 3120 7490 Maximum fu temperature AGO ike ee Merkur Air Motor Technical Data Mg uw 33 MPa 330 bar 16U918 16V174 50 MPa 500 bar 16U920 16V175 48 1 16U918 16V174 72 1 Wetted Parts Displacement pump Stainless steel plated carbon steel tungsten carbide with 6 nickel UHMWPE PTFE Spray gun See manual XTR guns technical data Fluid hoses Suction assembly carbon steel aluminum nylon 332245E 29 Graco Standard Warranty Graco warrants all equipment referenced in this document which is manufactured by Graco and bearing its name to be free from defects in material and workmanship on the date of sale to the original purchaser for use With the exception of any special extended or limited warranty published by Graco Graco will for a period of twelve months from the date of sale repair or replace any part of the equipment determined by Graco to be defective This warranty applies only when the equipment is installed operated a
19. luid Working Fluid Flow Suction Pressure Pressure Rate Tube psi MPa bar psi MPa bar gpm lpm Maximum Maximum Maximum Inlet Air Fluid Working Fluid Flow Suction Pressure Pressure Rate Tube psi MPa bar psi MPa bar gpm Ipm Bare Package Bare packages do not include a gun or hose Maximum Maximum Maximum Inlet Air Fluid Working Fluid Flow Pressure Pressure Rate Description psi MPa bar psi MPa bar gpm lpm 16V174 Merkur X72 7200 50 500 0 8 3 16V175 Merkur X48 100 4800 33 330 1 2 4 5 Maximum Recommended Tip Size Mode se Merkur X72 0 021 0 025 Merkur X48 332245E 3 Warnings Warnings The following warnings are for the setup use grounding maintenance and repair of this equipment The exclama tion point symbol alerts you to a general warning and the hazard symbols refer to procedure specific risks When these symbols appear in the body of this manual or on warning labels refer back to these Warnings Product specific hazard symbols and warnings not covered in this section may appear throughout the body of this manual where applicable FIRE AND EXPLOSION HAZARD Flammable fumes such as solvent and paint fumes in work area can ignite or explode To help prevent fire and explosion Use equipment only in well ventilated area Eliminate all ignition sources such as pilot lights cigarettes portable electric lamps and plastic drop cloths potential static arc
20. nd maintained in accordance with Graco s written recommendations This warranty does not cover and Graco shall not be liable for general wear and tear or any malfunction damage or wear caused by faulty installation misapplication abrasion corrosion inadequate or improper maintenance negligence accident tampering or substitution of non Graco component parts Nor shall Graco be liable for malfunction damage or wear caused by the incompatibility of Graco equipment with structures accessories equipment or materials not supplied by Graco or the improper design manufacture installation operation or maintenance of structures accessories equipment or materials not supplied by Graco This warranty is conditioned upon the prepaid return of the equipment claimed to be defective to an authorized Graco distributor for verification of the claimed defect If the claimed defect is verified Graco will repair or replace free of charge any defective parts The equipment will be returned to the original purchaser transportation prepaid If inspection of the equipment does not disclose any defect in material or workmanship repairs will be made at a reasonable charge which charges may include the costs of parts labor and transportation THIS WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ANY OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO WARRANTY OF MERCHANTABILITY OR WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE Graco s sole obligati
21. ngage gun trigger lock 12 b Trigger gun slowly open regulator adjustment knob E until pump begins to cycle Trigger gun into grounded pail until a steady stream comes from gun Se e i TI8727a c Engage trigger lock 11 Equipment is now ready to spray go to Spray page 13 NOTICE Do not prime pump through drain valve using two component materials Mixed two component materi als will harden in valve and result in clogging Install the Spray Tip MA E Follow Pressure Relief Procedure page 9 Install the spray tip and tip guard as explained in your separate gun manual supplied The fluid output and pattern width depend on the size of the spray tip the fluid viscosity and the fluid pressure Use the Spray Tip Selection Chart in your gun instruc tion manual as a guide for selecting an appropriate spray tip for your application Maximum Tip Size Larger tips can be used with less viscous material Merkur X72 0 021 Merkur X48 0 025 332245E Spray NOTICE Do not allow pump to run dry It will quickly accelerate to a high speed causing damage 1 Prime See Prime page 11 2 Follow Pressure Relief Procedure page 9 3 Install tip and tip guard on gun 4 Open bleed type master air valve C ee ti21110a 5 Turn regulator adjustment knob E until gauge D reads desired pressure Turn clockwise to incre
22. ntive Maintenance Schedule 14 Tighten Threaded Connections 14 WEVOUD ed cs oc due seeds 14 Troubleshooting oo sesuka cca 15 RODA eco a eee ee ee re 16 General Information 16 Disconnect the Displacement Pump 16 Reconnect the Displacement Pump 17 Disconnect the Air Motor 18 Reconnect the Air Motor 18 PONS poi oia ae Se 20 System Packages 20 Pump System Parts 22 Cart Mount Kit 289694 23 Pump Only Control Panel Kits 24 Re pair KIIS ses me ida sa ee 25 Accessories saos sini Kan ae eta 25 Performance Charts 26 Merkur X48 48 1 Ratio 75 cc cycle 26 Merkur X72 72 1 Ratio 50 cc cycle 27 Dimensions 28 Technical Data 29 Graco Standard Warranty 30 Related Manuals Mana Description 312796 NXT Air Motor 312145 XTR 5 and XTR 7 Airless Spray Gun 332246 Merkur High Pressure Displacement Pump 407055 Air Control Panel Kit 407053 Merkur X48 Seal Repair Kit 407054 Merkur X72 Seal Repair Kit 307296 High Pressure Surge Tanks and Fluid Fil ters 308169 Air Filters and Lubricators 332245E Models Models Merkur X48 Package Gun Hoses Accessories Maximum Maximum Maximum Inlet Air F
23. on and buyer s sole remedy for any breach of warranty shall be as set forth above The buyer agrees that no other remedy including but not limited to incidental or consequential damages for lost profits lost sales injury to person or property or any other incidental or consequential loss shall be available Any action for breach of warranty must be brought within two 2 years of the date of sale GRACO MAKES NO WARRANTY AND DISCLAIMS ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE IN CONNECTION WITH ACCESSORIES EQUIPMENT MATERIALS OR COMPONENTS SOLD BUT NOT MANUFACTURED BY GRACO These items sold but not manufactured by Graco such as electric motors switches hose etc are subject to the warranty if any of their manufacturer Graco will provide purchaser with reasonable assistance in making any claim for breach of these warranties In no event will Graco be liable for indirect incidental special or consequential damages resulting from Graco supplying equipment hereunder or the furnishing performance or use of any products or other goods sold hereto whether due to a breach of contract breach of warranty the negligence of Graco or otherwise FOR GRACO CANADA CUSTOMERS The Parties acknowledge that they have required that the present document as well as all documents notices and legal proceedings entered into given or instituted pursuant hereto or relating directly or indirectly hereto be drawn
24. starts when the air is turned on the obstruction is in the hose or gun 332245E 15 Repair 5 Lower the coupling nut 106 enough to remove the coupling collars 107 and then remove the cou pling nut 106 General Information e Reference numbers and letters in parentheses in the text refer to the callouts in the figures and the parts drawing e Always use Genuine Graco Parts and Accessories available from your Graco distributor If you supply your own accessories be sure they are adequately sized and pressure rated for your system 6 Use a hammer and Disconnect the Displacement es ian NT Pump jam nut 105 Unscrew 7 the jam nut as far as KA 1 Stop the pump in the middle of the stroke possible 2 Flush the pump if possible See Flush page 10 7 Unscrew the displace Relieve the pressure See Pressure Relief Proce ment pump by hand dure page 9 and place on work bench 3 Disconnect the air and fluid hoses and the ground Maa wire 109 4 Move the spring guard 118 upwards or downwards Hold the flats of the air motor piston rod with a wrench Use another wrench to loosen the coupling nut 106 Threads are very sharp To avoid cuts use a rag to protect hands when hand turning or carrying the dis placement pump _ eT Tes ti21112a 16 332245E
25. ti21104a Whip Hose Pump Fluid Outlet Grounding Wire Wet Cup Pump Fluid Inlet Suction Hose 332245E General Information NOTE Reference numbers and letters in parentheses in the text refer to the callouts in the figures NOTE Always use Genuine Graco Parts and Accesso ries available from your Graco distributor If you supply your own accessories be sure they are adequately sized and pressure rated for your system FIG 1 is only a guide for selecting and installing system components and accessories Prepare the Operator All persons who operate the equipment must be trained in the operation of all system components as well as the proper handling of all fluids All operators must thor oughly read all instruction manuals tags and labels before operating the equipment Prepare the Site Ensure that you have an adequate compressed air supply Bring a compressed air supply line from the air com pressor to the pump location Be sure all air hoses are properly sized and pressure rated for your system Use only electrically conductive hoses The air hose should have a 3 8 npt m thread For best performance use 1 2 in air line or larger Keep the site clear of any obstacles or debris that could interfere with the operator s movement Have a grounded metal pail available for use when flushing the system 332245E Installation Components See FIG 1 e The red handled bleed type master air valve C is
26. unit when fatigued or under the influence of drugs or alcohol e Do not exceed the maximum working pressure or temperature rating of the lowest rated system component See Technical Data in all equipment manuals Use fluids and solvents that are compatible with equipment wetted parts See Technical Data in all equipment manuals Read fluid and solvent manufacturer s warnings For complete information about your material request MSDS from distributor or retailer Do not leave the work area while equipment is energized or under pressure Turn off all equipment and follow the Pressure Relief Procedure when equipment is not in use Check equipment daily Repair or replace worn or damaged parts immediately with genuine manu facturers replacement parts only Do not alter or modify eguipment Alterations or modifications may void agency approvals and create safety hazards Make sure all eguipment is rated and approved for the environment in which you are using it Use eguipment only for its intended purpose Call your distributor for information Route hoses and cables away from traffic areas sharp edges moving parts and hot surfaces Do not kink or over bend hoses or use hoses to pull eguipment Keep children and animals away from work area Comply with all applicable safety regulations MOVING PARTS HAZARD Moving parts can pinch cut or amputate fingers and other body parts e Keep clear of moving parts e Do not operate equipment with protective
27. up in English Les parties reconnaissent avoir convenu que la r daction du pr sente document sera en Anglais ainsi que tous documents avis et proc dures judiciaires ex cut s donn s ou intent s la suite de ou en rapport directement ou indirectement avec les proc dures concern es Graco Information For the latest information about Graco products visit www graco com TO PLACE AN ORDER contact your Graco distributor or call to identify the nearest distributor Phone 612 623 6921 or Toll Free 1 800 328 0211 Fax 612 378 3505 All written and visual data contained in this document reflects the latest product information available at the time of publication Graco reserves the right to make changes at any time without notice For patent information see www graco com patents Original instructions This manual contains English MM 332245 Graco Headquarters Minneapolis International Offices Belgium China Japan Korea GRACO INC AND SUBSIDIARIES P O BOX 1441 MINNEAPOLIS MN 55440 1441 USA Copyright 2013 Graco Inc All Graco manufacturing locations are registered to ISO 9001 www graco com Revision E September 2014
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