Graco 307616ZAB User's Manual
Contents
1. Fig 2 7871b 6 307616 GASOLINE FILL CAP ENGINE OIL FILL PLUG w aie ZS Fig 3 4 Check the Engine Oil Level a Remove the dipstick See Fig 3 b Check to be sure the oil is up to the full mark on the dipstick C If is needed see the chart below for the recommended oil type and weight d Crank case capacity with filter 2 1 quarts 2 0 liters RECOMMENDED LUBRICATION OIL Use a high quality detergent oil of American Petroleum Institute API service class SG or SH for regular use and for breaking in a new engine GRADE OF OIL CHART Spring Summer Autumn SAE 10W 30 30 F to 0 Winter SAE 5W 20 or 5W 30 Setup 5 Fill the Fuel Tank 6 Grounding A WARNING FIRE AND EXPLOSION HAZARD To reduce the risk of static sparking fire A WARNING FIRE AND EXPLOSION HAZARD Fuel spilled on a hot surface can cause or explosion which can result in serio2. 307616 23 Graco Warranty Graco warrants all equipment listed in this manual 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 and 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 or structures accessories equipment or materials not supplied by Graco This warranty is conditioned upon the prepaid return o
3. VALVE ball 3 8 npt m ELBOW pipe 90 3 8 npt f WHEEL CAPSCREW hex hd 1 2 x 4 in LOCKWASHER spring 1 2 in NUT hex 1 2 in thread NIPPLE pipe reducing 3 8 x 1 2 npt NIPPLE pipe reducing 3 8 x 1 2 npt TEE pipe 1 2 npt f NIPPLE short 1 2 npt FITTING tube flared BATTERY 12 volt L style terminals CLAMP battery PIN straight spring HOSE hydraulic supply nylon 3 4 in ID cpld 1 1 16 in fbe 30 in 762 mm GUARD fan SPACER NIPPLE pipe 3 8 npt x 3 in FRAME pump CAPSCREW hex head 8 32 x 0 38 in LOCKWASHER spring 5 16 in MOTOR hydraulic see manual 307158 for parts LABEL identification NUT lock 5 16 16 CAPSCREW 3 8 16 x 2 75 in PLUG HANDLE COUPLING assy COUPLING cover BUSHING 1 x 3 4 in TEE 3 4 in npt f SWIVEL 3 4 in m x f CABLE battery positive 23 in 6 awg TUBE suction inlet PUMP displacement see manual 311762 for parts ROD tie 14 59 in 371 mm NUT lock type E 5 8 in 11 CAPSCREW hex head 3 8 16 x 1 in O RING fluoroelastomer PLUG box 3 4 in INSERT hose 3 4 npt f HOSE suction 1 in ID 3 ft 9 9 m CLAMP hose 13 16 in to 1 1 2 in OD LEG frame WASHER flat AXLE CABLE battery negative 18 in 6 awg HOOK bolt 1 4 in thread PLATE engine SUPPORT engine MOUNT motor WASHER 3 8 in CAPSCREW hex hd 5 16 x 1 75 in LABEL WARNING RESERVOIR KIT LABEL DANGER LABEL DANGER NUT heavy
4. Checkthe engine oil level at least weekly The oil must be up to the FULL mark on the dipstick The engine should not use more than one ounce of oil per hour of operation Consult the engine manual supplied for additional recommended maintenance 6 Inspect the return line filter frequently for clog ging Replace it after every 500 hours of operation or every 6 months whichever comes first A clogged or worn out filter reduces filter capability and will damage the hydraulic pump 7 Change the hydraulic oil after every 2000 hours of operation or every 12 months whichever comes first For continuous operation in tempera tures above 85 F 30 C change the oil after every 1000 hours or 6 months of use See Step 9 for the procedure To change the hydraulic oil a Follow the Pressure Relief Procedure Warning on page 10 b Place a waste container under the drain plug of the hydraulic reservoir See Fig 7 Unscrew the plug and drain the reservoir Reinstall the plug before proceeding c Remove the nuts and reservoir cover d Remove the return line filter and install a new filter assembly e Inspect the inlet filter and replace it if needed f Install the reservoir cover and nuts Then pour in five gallons 19 liters of Graco Hydraulic Oil through the intake filter See Fig 7 Install the fill cap NUTS HYDRAULIC OIL FILL CAP ee cia INLET FILL PLUG FILTER rig st 2 NN NS RETUR
5. Ae Setup Connect the Hose and Gun Remove the plastic cap plug from the outlet tee and screw an accessory conductive or grounded spray hose onto the 1 4 npsm f out let fitting See Fig 1 Connect a small diameter 3 ft 0 9 m whip hose between the main hose and a spray gun if desired for more flexible gun movement c Don t use thread sealant on the swiveling nut of the hose couplings and don t install the spray tip yet NOTE Use thread sealant on all male threads except at swivel unions Swivel unions are made to self seal and using thread sealant prevents the swivel from turning freely 2 Fill the Packing Nut Wet Cup 1 3 full with Graco Throat Seal Liquid TSL supplied See Fig 2 307616 Setup 3 Checkthe Hydraulic Oil Level a Unscrew the hydraulic oil fill cap See Fig 2 The dipstick is attached to the cap The oil should be up to the full line on the dipstick A CAUTION To prevent damage to the cooling system and hydraulic pump use only Graco Hydraulic Oil 169236 5 gal 20 liter or 207428 1 gal 3 8 liter Other types of hydraulic oil may damage the hydrau lic components b Add oil as needed to the proper level A completely full hydraulic system contains about 5 gallons 20 liters of oil 1 HYDRAULIC OIL PACKING FILL CAP NUT WET CUP
6. Drawing 18 311733 Sprayer Parts List 21 Accessories o1 1 12 2 5 ac do dod 23 Technical Date 5 ERREUR 23 Graco Phone Number 24 Graco Warranty 24 Symbols Warning Symbol A WARNING symbol alerts you to the possibility of serious injury or death if you do not follow the instructions Caution Symbol A CAUTION This symbol alerts you to the possibility of damage to equipment if you do not follow the instructions A WARNING RA EQUIPMENT MISUSE HAZARD 9 INSTRUCTIONS This equipment is for professional use only Equipment misuse can cause the equipment to rupture or malfunction and result in serious injury Head all instruction manuals tags and labels before operating the equipment Use the equipment only for its intended purpose If you are not sure call your Graco distributor Do not alter or modify this equipment Use only genuine Graco parts Check equipment daily Repair or replace worn or damaged parts immediately Do not exceed the maximum working pressure of the lowest rated system component Refer to the Technical Data on page 23 for the maximum working pressure of this equipment Use fluids and solvents which are compatible with the equipment wetted parts Refer to the Tech nical Data section of all equipment manuals Read the fluid and solvent manufacture
7. cause serious internal motor damage 4 Prime the Pump a 6 Be sure the gun safety latch is engaged Don t install the spray tip yet If the engine has not been started follow the procedure in Step 2 page 10 Disengage the gun safety latch Point the gun into a grounded metal pail and hold a metal part of the gun firmly against the pail See the WARNING below Squeeze the trigger and slowly turn the pres sure control knob clockwise just enough to start the pump See Fig 6 Operate the pump until all air is purged from the pump and hoses and the fluid is flowing freely from the gun Helease the trigger and engage the safety latch Turn the pressure control knob counterclock wise until all spring tension is relieved You will be able to feel it The sprayer is now at the lowest pressure setting Turning the knob further will remove it Follow the Pressure Relief Procedure on page 10 Then install the spray tip in the gun as instructed in the separate gun or tip instruc tion manual If you are using the RAC IV supplied with this sprayer see manual 308644 5 Adjusting the Pressure a b Turn the pressure control knob clockwise to increase and counterclockwise to decrease the pressure Tighten the knob locknut to set Always use the lowest pressure that is neces sary to completely atomize the fluid A CAUTION Operating the sprayer at a higher pressure than necessary wastes fluid causes
8. early tip wear and shortens the sprayer life If more coverage is needed use a larger tip rather than increasing the pressure Check the spray pattern The tip size and angle determines the pattern width and flow rate See the separate manual received with your gun A CAUTION The engine throttle has been set to a maximum of 3000 RPM The sprayer warranty will be voided and the hydraulic pump life shortened if this adjustment is changed 6 Cleaning a Clogged Tip A WARNING SKIN INJECTION HAZARD To reduce the risk of a fluid injection injury NEVER hold your hand body or a rag in front of the spray tip when cleaning or checking for a cleared tip To reduce the risk of a fire or explosion always hold the gun firmly against the side of a grounded metal waste container when checking to see if the tip was cleared or when using a self clearing tip a Follow the Pressure Relief Procedure Warning on page 10 b Clean the front of the tip frequently during the day to keep the fluid from building up and clog ging the tip To clean and to clear a tip if it clogs refer to your separate gun instruction manual If you are using the RAC IV tip guard and SwitchTip refer to manual 308644 7 Shutting Off the Sprayer a Whenever you stop spraying even for a short break follow the Pressure Relief Procedure Warning on page 10 b Clean the tip and gun as recommended in your separate gun or tip manual c Fl
9. hex 5 16 18 unc 2a LABEL identification O Hh N 3A ND QTY N 4A Lh HAY 5 HW a a oO h SS 188 106053 213574 107127 620188 105430 150712 178795 177608 178935 44820 197341 107125 105429 178750 176794 200054 107067 112798 219099 100187 178872 100421 106063 605358 113287 107143 100052 178792 178788 178861 178786 102169 100016 100011 100015 178787 106229 206994 185016 100004 107032 158683 108426 183574 183575 237686 245143 158233 100505 110838 191958 191959 112179 113819 100022 100016 070401 100101 625057 195516 191863 113372 192228 801971 801959 801958 118423 238681 ELBOW 90 1 1 16 in thread HOSE hyd rtn 1 in x 20 75 in ADAPTER male 1 5 16 in x 3 4 in ADAPTER 1 in m x 3 4 x 1 2 x 3 8 f NUT seal 1 in npt SHIELD heat HOSE cooler 0 625 in 10 5 in Ig LABEL identification LABEL caution CLIP hairpin with lanyard ROD adapter ELBOW 90 street 3 4 npt m NUT seal 3 4 npt FITTING return 1 in npt m x 3 4 npt f FILTER fluid BUSHING hex hd O RING buna n SCREW mach hex washer hd 8 x 3 8 in KNOB pump NUT hex 5 16 in PUMP vane hydraulic SETSCREW 5 16 in x 3 8 in COUPLER KEY 1 4 in ENGINE 18 HP OHC CAPSCREW sch 7 16 x 1 25
10. in LOCKWASHER spring 7 16 in BLOWER COOLER PAD SUPPORT pump CAPSCREW hex hd 5 16 x 1 5 LOCKWASHER spring 1 4 in WING NUT 1 2 in NUT hex 1 4 10 unc SHELF battery NIPPLE TSL 8 oz not shown LABEL Caution CAPSCREW hex hd 3 8 16 in x 1 25 in ELBOW 90 street 3 8 npt mxf ELBOW 90 3 8 npt mxf O RING buna n HOSE rubber tube 4 5 in NIPPLE barbed hose 3 8 18 npt f GROUND WIRE amp CLAMP VALVE pressure drain WASHER flat BUSHING 3 4 x 3 8 in LOCKNUT 5 16 in BRACKET switch GUARD muffler SCREW thread forming M5 x 8 mm NUT 1 4 in SCREW cap 1 4 in WASHER lock TUBING electrical 13 in SCREW cap hex hd 1 x 3 8 16 in unc 2a BRACKET motor hydraulic SPACER GUARD hose COUPLING fuel line BRACKET gas line CLAMP hose PROTECTOR terminal black PROTECTOR terminal red COVER debris FUEL TANK ASSY 6 gallon st ss N S Ss S LP DANGER and WARNING labels are available at no charge 307616 21 Notes 22 307616 Technical Data Engine KOHLER Model CH18 OHV 4 cycle twin cylinder air cooled 18 HP 13 4 kW Gasoline 6 0 gallon 22 7 liter capacity consumes 1 3 gal hr 4 9 liter hr Hydraulic Fluid Sump 5 gallon 19 liters Hydraulic Pressure 1300 psi 89 bar 10 2 gpm 39 l min Displacement Pump 3500 psi 240 bar 24 MPa Max
11. into the body by high pressure airless liquids in confined areas can result in fire or explosion spray or leaks especially hose leaks Use outdoors or in extremely well ventilated areas Ground Keep body clear of the nozzle Never stop leaks with any part of the equipment hoses containers and objects being sprayed body Drain all pressure before removing parts Avoid accidental Avoid all ignition sources such as static electricity from plastic triggering of gun by always setting safety latch when not spraying drop cloths open flames such as pilot lights hot objects such as Never spray without a tip guard cigarettes arcs from connecting or disconnecting power cords In case of accidental skin injection seek immediate or turning light switches on and off Surgical Treatment Failure to follow this warning can result in death or serious injury Failure to follow this warning can result in amputation or serious injury READ AND UNDERSTAND ALL LABELS AND INSTRUCTION MANUALS BEFORE USE 4 307616 1 SUCTION TUBE Fig 1 a Component Identification HYDRAULIC RETURN LINE TO MOTOR MOTOR RESET BUTTON HYDRAULIC MOTOR FITTING PRESSURE DRAIN VALVE DISPLACEMENT PUMP SUCTION HOSE PRESSURE CONTROL KNOB HYDRAULIC SUPPLY LINE TO MOTOR GASOLINE FILL CAP M MM NO M M Se Ss LU SSS SSNS RSS TD eS HYDRAULIC PUMP
12. sparks can cause a hazardous condition and result in a fire or explosion and serious injury e lf there is any static sparking or you feel an electric shock while using this equipment stop spray ing immediately Do not use the equipment until you identify and correct the problem Provide fresh air ventilation to avoid the buildup of flammable fumes from solvents or the fluid being sprayed Keep the spray area free of debris including solvent rags and gasoline Disconnect all electrical equipment in the spray area Extinguish all open flames or pilot lights in the spray area Do not smoke in the spray area Do not turn on or off any light switch in the spray area while operating or if fumes are present Do not operate a gasoline engine in the spray area Ground the sprayer to a true earth ground with the ground wire and clamp supplied Use only electrically conductive hoses MOVING PARTS HAZARD Moving parts can pinch or amputate your fingers e Keep clear of all moving parts when starting or operating the sprayer e Before servicing the equipment follow the Pressure Relief Procedure on page 10 to prevent the equipment from starting unexpectedly NOTE This is an example of the DANGER label on your sprayer This label is available in other languages free of charge See page 23 to order FIRE AND SKIN INJECTION EXPLOSION HAZARD HAZARD Spray painting flushing or cleaning equipment with flammable Liquids can be injected
13. this adapter in place of the fluid outlet nipple in the fluid filter 307616 17 GH733 Sprayer Parts Drawing Model 231733 Series D 34 QX E d 2 31 ue 8 Do d 39 See page 17 for 0 continuation 144 43 9086B 18 307616 317733 Sprayer Parts Drawing amp QU Tue 7 Bow E LM i us SERA APN iom 1 Lm 1 N SY Oy 5 Ref 58 To Starter To Engine Switch 122 4 119 165 12 307616 19 GH733 Sprayer Parts Drawing 20 307616 PART NO 107074 106114 107053 107128 107050 178859 102473 210658 165472 106039 106123 100018 100321 158979 188344 103475 158491 107052 115753 107069 101354 513575 178751 179714 100213 217469 101578 100214 217022 177755 110838 106212 177765 177652 244819 197340 158586 111337 157785 107073 245468 L250C1 198592 101712 100101 104444 104126 107049 178791 101818 178773 177641 177570 113951 107068 15C713 216141 246015 100023 100678 290386 218125 185951 185285 100188 177807 GH733 Parts List DESCRIPTION BREATHER fill cap STRAINER inlet ELBOW pipe 90 1 2 x 3 8 TEE service INSERT hose 1 2 npt f HOSE rubber 5 in 125 mm CLAMP hose
14. Instructions Parts List GRACO 307616ZAB 3500 psi 240 bar 24 MPa Maximum Working Pressure Model 231733 Series E Sprayer only Has Severe Duty Displacement Pump Model 230975 Includes Sprayer 231733 Hose Swivel Gun RAC X DripLess Tip Guard and SwitchTip Severe duty displacement pumps have an abrasion and corrosion resistant displacement rod and sleeve Refer to the Technical Data in manual 311762 Important Safety Instructions Read all warnings and instructions in this manual Save these instructions 2 ar f i AA 4 SRE A SSS ss X eo a TL LM DUI LT lt lt LIL AR SSS ANS t PROVEN QUALITY LEADING TECHNOLOGY Table of Contents 0 616 od a oap dre Component Identification 5 STE 10 TD m 5 RUSNING 5 ed 102 5 9 aen eo E ID EUER Ke P Re I EO Ms 8 ODErallOll esse S ERG AXE se do 10 Maintenance 6 12 116 11511 616 61 18 955 omi te EET EE 13 Displacement Pump Service 16 Complete Sprayer Parts Drawing 17 311733 Sprayer Parts
15. N A CAUTION LINE Cleanliness is essential when servicing the hydraulic FILTER HYDRAULIC OIL system Use special care to avoid getting dust or dirt DRAIN into the hydraulic system to prevent damage to the E o hydraulic components 8 Change engine oil and filter every 100 hour of Fig 7 use Use 30W detergent oil 12 307616 Troubleshooting A WARNING SKIN INJECTION HAZARD To reduce the risk of serious injury whenever you are instructed to relieve pressure follow the Pressure Relief Procedure on page 10 Check everything in the troubleshooting chart before disassembling the sprayer PROBLEM CAUSE SOLUTION Gas engine doesn t work properly KENNEN Consult engine manual supplied Gas engine will not start OF Check battery Gas engine operates but Hydraulic motor stalled Turn the ignition key to OFF Firmly press displacement pump doesn t straight down on motor reset button Restart operate sprayer see page 10 If it doesn t start see manual 307158 Pressure setting too low Increase pressure See page 11 Displacement pump outlet filter if Clean the filter used is dirty or clogged Tip or tip filter if used is clogged Remove tip and or filter and clean Hydraulic fluid too low Shut off sprayer and add fluid immediately See page 5 Hydraulic pump worn or damaged Return sprayer for repair Hydraulic motor worn or damaged Return sprayer for repair Displacement pump rod seized by Service p
16. N 0 8 NS of 6 Open the pressure drain valve having a container 7 1 SS ready to catch the drainage Leave the valve open Nes until you are ready to spray again If you suspect that the spray tip or hose is completely clogged or that pressure has not been fully relieved after following the steps above wrap a rag around the tip guard retaining nut or hose end coupling and VERY SLOWLY loosen the part to relieve pressure gradually then loosen completely Now clear the tip or hose P Fig 6 C NOTE In cold weather run the engine for about 15 minutes with the bypass valve open before starting the displacement pump to help avoid hydraulic motor stalling f Follow the Pressure Relief Procedure Warning on page 10 to shut off the sprayer A WARNING To stop the engine in an emergency turn OFF 1 Prepare the Fluid a Prepare the fluid according to the fluid manu facturer s recommendations the ignition key Close the bypass valve if possible See Fig 6 Then follow the Pressure Relief Proce dure Warning on page 10 b Place the pump or suction tube into the fluid container 10 307616 Operation If the motor stalls during operation turn OFF the igni tion key With your hand firmly press straight down on the motor reset button Now try to restart the sprayer If it will not start refer to the separate motor manual 307158 A CAUTION Never use a hammer to depress the reset button as it could
17. RNING flushed FIRE AND EXPLOSION HAZARD 13 Release the trigger and engage the gun safety To reduce the risk of static sparking and latch splashing when flushing always remove 14 If you are going to start spraying place the the spray tip from the gun and hold a pump or suction tube into the supply container metal part of the gun firmly to the side of a Follow the Pressure Relief Procedure on page grounded metal pail 10 Engage the gun safety latch until you are ready to prime the pump See Step 3 page 9 15 If you are going to store the sprayer be sure 11 Making firm metal to metal contact hold the gun your final flush is with an oil based solvent such firmly to the side of the grounded solvent pail as mineral spirits Remove the suction tube or Trigger the gun At the same time slowly turn the pump from the solvent pail Follow the Pressure pressure control knob clockwise just enough to Relief Procedure on page 10 Engage the gun start the pump safety latch but leave the drain valve open 307616 9 Operation Pressure Relief Procedure 2 Starting the Sprayer A W ARN Ne a Open the bypass valve to make startup easier In the open position the valve lever is parallel to the body of the valve See Fig 6 Close the l SKIN INJECTION HAZARD Me The system pressure must be manually relieved to prevent the system from b Turn the pressure control knob COUNT clock starina accidentally F uid wise until al
18. as left in to protect pump parts from corrosion 9 Storage Before using oil base paint flush with mineral Water base paint flush with water then mineral spirits only spirits and leave the pump hose and gun filled Before using water base paint flush with with mineral spirits Follow the Pressure Relief mineral spirits followed by soapy water then a Procedure Warning page 10 clean water rinse Oil base paint flush with mineral spirits Follow the Pressure Relief Procedure Warning page 10 2 Changing colors Flush with a compatible solvent such as mineral spirits 6 Startup after storage l Before using water base paint flush out mineral spirits with soapy water and then clean water 3 Changing from water base to oil base paint When using oil base paint flush out mineral Flush with soapy water then mineral spirits spirits with fluid to be sprayed How to Flush 8 Turn and hold the ignition key to START until you hear the engine catch then release the key to RUN See Fig 5 If the engine does not start open the choke a little move lever If the engine floods open the choke all the way and try again A WARNING SKIN INJECTION HAZARD Follow the Pressure Relief Procedure Warning on page 10 Remove the spray tip before flushing ie 3 1 Engage the gun safety latch Remove the spray tip from the gun imma 2 Pour enough clean compatible solvent to
19. co Headquarters Minneapolis International Offices Belgium China Japan Korea GRACO INC AND SUBSIDIARIES P O BOX 1441 MINNEAPOLIS MN 55440 1441 USA Copyright 1983 Graco Inc All Graco manufacturing locations are registered to ISO 9001 www graco com Revised October 2014 24 307616
20. erates before spraying Lock the gun trigger safety when you stop spraying Follow the Pressure Relief Procedure on page 10 if the spray tip clogs and before cleaning checking or servicing the equipment Tighten all fluid connections before operating the equipment Check the hoses tubes and couplings daily Replace worn or damaged parts immediately Do not repair high pressure couplings you must replace the entire hose Fluid hoses must have spring guards on both ends to help protect them from rupture caused by kinks or bends near the couplings TOXIC FLUID HAZARD Hazardous fluid or toxic fumes can cause serious injury or death if splashed in the eyes or on the skin inhaled or swallowed Know the specific hazards of the fluid you are using Store hazardous fluid in an approved container Dispose of hazardous fluid according to all local state and national guidelines Always wear protective eyewear gloves clothing and respirator as recommended by the fluid and solvent manufacturer FUEL HAZARD The fuel used in this unit is combustible and when spilled on a hot surface can ignite and cause a fire e Do not fill the fuel tank while the engine is running or hot EXHAUST HAZARD The exhaust contains poisonous carbon dioxide which is colorless and odorless e Do not operate this equipment in a closed building 307616 3 A WARNING FIRE AND EXPLOSION HAZARD Improper grounding poor ventilation open flames or
21. f 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 Ifinspection of the equipment does notdisclose 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 Graco s sole obligation and buyer s sole remedy for any breach of warranty shall be as setforth 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 ofthe 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 gas engines switches hose etc are subjectto the warranty if any oftheir 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 incidenta
22. fill the SWITCH pump and hoses into a large grounded metal pail 3 Place the suction tube into the pail or tilt the sprayer back it will support itself and place the pail under the pump Then tilt the sprayer forward PRESSURE to lower the pump into the pail CONTROL KNOB w 4 Turn the pressure control knob counterclockwise t until all spring tension is relieved You will be able BYPASS to feel it The sprayer is now set at the lowest VALVE ZEN pressure setting Turning the knob further will remove it Tighten the knob locknut to set See Fig 3 Fig 5 5 Open the bypass valve The valve lever will be parallel to the body of the valve See Fig 5 9 After the engine is warm gradually open the choke lever move lever and close the bypass valve 6 Attach fuel hose from tank to engine oee Fig 5 7 Close the choke by moving the choke lever See 10 Point the gun into the grounded metal pail and hold Fig 5 a metal part of the gun firmly against the pail NOTE To save the fluid in the pump and hose trigger the gun into the paint container or a separate clean container At the same time slowly turn the pressure control knob clockwise just enough to The bypass valve must be opened when starting the start the pump When solvent appears release sprayer to prevent damaging the starter the trigger and continue as below E A CAUTION Flushing 12 Circulate the solvent until the system is thoroughly A WA
23. imum Working Pressure 3 gpm 11 4 Ipm output 15 cycles gallon Pump Fluid Outlet Size 1 in npt f Wetted Parts Displacement Pump Steel Nitralloy Tungsten Carbide PTFE Leather Filler Aluminum Carbon Steel Stainless Steel Weight dry w o packaging 480 Ib 217 kg Height Ww 50 5 in 1 3 m Ee RPM 48 5 in 1 2 m ido rc 29 in 736 mm Sound Levels Sound Pressure 91 dB A Sound POWOL 256 0 on owe tens pex ed ap as 106 dB A Measured at maximum normal load conditions Accessories Must be purchased separately GRACO APPROVED HYDRAULIC OIL 169236 207428 5 Gallons 20 liters 1 Gallon 3 8 liters DANGER LABELS The English language DANGER label shown on page 4 is also on your sprayer If you have painters who do not read English order one of the following labels to apply to your sprayer The drawing below shows the best placement of these labels for good visibility Order the labels directly from Graco free of charge Toll Free 1 800 328 0211 French Spanish German Greek Korean English 186956 185961 186041 186045 186049 1 C 0 iwi Apply other language here
24. ing d Install a new blower Secure the pump support 117 to the engine See Fig 8 e Check Dimension A as shown in Fig 9 and tighten the coupler setscrews 108 Butt the blower hub up to the coupler half keeping the blower in full contact with the coupler and tighten the blower setscrews B A CAUTION The correct coupling dimension is critical to avoid improper coupler engagement to the coupler spider which will damage the coupler and make the sprayer inoperable 9 Install the cooler 10 Fold the flaps of the pad 116 toward the cooler fins and install the fan guard 23 capscrews 49 and lockwashers 66 See Fig 8 11 Reinstall the hydraulic pump and reconnect all hoses ENGINE DIMENSION A 0 05 in 0 010 1 27 mm 0 254 TOP VIEW 307616 15 Displacement Pump Service Disconnect the Displacement Pump 1 16 Flush the pump if possible Stop the pump on the down stroke Follow the Pressure Relief Procedure Warning on page 10 Remove the suction tube and fluid hose from the displacement pump Unscrew the three tie rod locknuts 48 See GH733 Sprayer Parts Drawing Unscrew the shouldered nut 35 Pull the displacement pump 46 off the tie rods 47 Screw the jam nut 90 up onto the connecting rod 91 Remove the lower cotter pin 89 and unscrew the connecting rod 91 from the displacement rod A Refer to separate manual 311762 for displacement pump repair instr
25. l 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 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 ADDITIONAL WARRANTY COVERAGE Graco does provide extended warranty and wear warranty for products described in the Graco Contractor Equipment Warranty Program Graco Phone Number TO PLACE AN ORDER contact your Graco distributor or call this number to identify the distributor closest to you 1 800 690 2894 Toll Free All written and visual data contained in this document reflect 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 307616 Gra
26. l pump case with hydraulic oil and run for 10 15 minutes at low engine speed to evacuate air 13 Reconnect the hoses Reinstall the reservoir plug from system Cycle paint pump slow to clear air 51 and refill the reservoir with clean Graco from motor approved hydraulic oil N 187 49 66 150 66 64 18 Fig 8 14 307616 Replacing the Cooler and Blower 1 Follow the Pressure Relief Procedure Warning on page 10 Let the hydraulic system cool before beginning the service procedure Remove the hydraulic pump as instructed in the previous section Disconnect the cooler to reservoir return hose 7 by loosening the hose clamp 8 See Fig 8 Remove the cooler capscrews 49 and lock washers 66 See Fig 8 Remove the fan guard 23 See Fig 8 Pull the cooler 115 straight out Inspect the rubber pad 116 for wear and replace if necessary See Fig 9 Inspect the blower wheel 114 for wear See Fig 8 If it needs to be replaced follow Steps 8a 8e a Unscrew the setscrews 108 from the engine half of the coupler 109 Unscrew the blower setscrews B See Fig 9 b Remove the capscrews 112 and lockwashers 113 holding the pump support 117 to the engine and pull the support off See Fig 8 108 107 Fig 9 Pull the pump support and blower off far enough for the blower to fall out of the bottom of the hous
27. l spring tension is relieved You will der hiah 9 0 S J ted th un th be able to feel it The sprayer is now set at the cd pierden retient er Oe ee lowest pressure setting Turning the knob fur skin and cause serious injury To reduce the risk of ther will cause it to fall off an injury from injection splashing fluid or moving parts follow the Pressure Relief Procedure c AGC hose trom Tan whenever you d the engine is cold close the choke by mov ing the choke lever See Fig 6 e are instructed to relieve the pressure uu 3 Turnand hold the ignition key to START until you stop spraying 6 e check or service any of the system equipment e install or clean the spray tip hear the engine catch then release the key to RUN See Fig 6 If the engine does not start open the choke a little move lever If the engine floods open the choke all the way and try again e After the engine is warm gradually open the choke lever move choke lever and close the 1 Engage the gun safety latch bypass valve See Fig 6 t ML 2 Open the bypass valve 3 Turn the ignition key to OFF m 4 Disengage the gun safety latch Hold a metal part of the gun firmly to the side of a grounded metal SWITCH pail and trigger the gun to relieve pressure AIR FILTER 5 o lt S i 5 Engage the gun safety latch COR N A PRESSURE lt lt GD i K
28. r s warnings Do not use hoses to pull equipment Route hoses away from traffic areas sharp edges moving parts and hot surfaces Do not expose Graco hoses to temperatures above 82 C 180 F or below 40 C 40 F Do not lift pressurized equipment Comply with all applicable local state and national fire electrical and safety regulations Wear hearing protection when operating this equipment Do not use 1 1 1 trichloroethane methylene chloride other halogenated hydrocarbon solvents or fluids containing such solvents in pressurized aluminum equipment Such use could result in a chemical reaction with the possibility of explosion 2 307616 A WARNING SKIN INJECTION HAZARD Spray from the gun leaks or ruptured components can inject fluid into your body and cause extremely serious injury including the need for amputation Fluid splashed in the eyes or on the skin can also cause serious Injury Fluid injected into the skin may look like just a cut but it is a serious injury Get immediate surgi cal treatment Do not point the gun at anyone or at any part of the body Do not put your hand or fingers over the spray tip Do not stop or deflect leaks with your hand body glove or rag Do not blow back fluid this is not an air spray system Always have the tip guard and the trigger guard on the gun when spraying Check the gun diffuser operation weekly Refer to the gun manual Be sure the gun trigger safety op
29. uctions 307616 Reconnecting the Displacement Pump 1 Screw the connecting rod 91 into the displace ment rod A and replace the lower cotter pin 89 Screw the jam nut 90 all the way down See GH733 Sprayer Parts Drawing Mount the displacement pump 46 onto the tie rods 47 Screw the shouldered nut 35 onto the hydraulic motor 29 Screw the tie rod locknuts 48 onto the tie rods 47 and torque to 35 50 ft Ib 47 68 N m Reattach the hoses to the displacement pump If the grounding wire was disconnected before service be sure to reconnect it before operating the sprayer otart the pump and operate it slowly to check the tie rods for binding Adjust the tie rod locknuts if necessary to eliminate binding Model 230975 GH 733 Sprayer Complete Sprayer Parts Drawing Includes items 501 to 510 REF NO PART NO 501 231733 905 277251 506 Iu HEF 38 Ei See page 18 for continuation ti10624A DESCRIPTION GH 733 SPRAYER See parts list on page 19 HOSE fluid nylon 3 8 in ID 3 8 npsm fbe 50 y 15m long NIPPLE 3 8 ntp m QTY 507 508 509 510 511 155665 164672 277249 246240 100505 ADAPTER 3 8 npt m x 3 8 npsm swivel 1 ADAPTER 1 4 npsm x 3 8 npt m HOSE fluid nylon 1 4 in ID 1 4 18 npsm fbe 3 ft 0 9 m long AIRLESS SPRAY GUN see manual 309740 for parts BUSHING pipe 3 4 x 3 8 in 1 1 1 1 Install
30. ump See manual 311 762 dried paint Displacement pump operates but Piston ball check not seating properly Service piston ball check See manual 311 762 output is low on upstroke Piston packings worn or damaged Replace packings See manual 311762 Displacement pump operates but Piston packings worn or damaged Replace packings See manual 311 762 output is low on downstroke and or on both strokes Intake valve ball check not seating Service intake valve ball check See manual properly 311762 Paint leaks into wetcup Loose wet cup Tighten just enough to stop leakage Throat packings worn or damaged Replace packings See manual 311 762 Excessive leakage around Piston rod seal worn or damaged Replace these parts See manual 307158 hydraulic motor piston rod wiper Fluid delivery is low Pressure setting too low Increase pressure See page 11 Displacement pump outlet filter if Clean filter used is dirty or clogged Hydraulic pump is worn or damaged Return sprayer for repair Hydraulic motor is worn or damaged Return sprayer for repair Large pressure drop in fluid hose Use larger diameter hose The sprayer overheats Cooler or blower is worn or damaged Replace See page 15 Spitting from gun Air in fluid pump or hose Check for loose connections on siphon assembly tighten then reprime pump Fluid supply is low or empty Refill supply container Check hydraulic fluid level often Do not allo
31. us bodily injury and property damage ground the sprayer all system components and the object being sprayed as instructed under FIRE OR EXPLOSION HAZARD on page 3 a fire or explosion and serious bodily injury and property damage Shut off engine and let it cool before filling the tank Carefully follow steps 5 a to 5 c below being sure not to spill any fuel Connect the ground wire and clamp provided to a Use only clean fresh well known brands of unleaded regular grade gasoline The minimum octane requirements are 87 octane in the U S A and 96 octane elsewhere c Remove the gasoline fill cap and fill the tank Be sure the air vent in the fill cap is not plugged so gasoline can flow to the carburetor then replace the cap See Fig 3 d External fuel tank capacity 6 0 gallons 22 7 liters e Gasoline consumption at the maximum oper ating speed of 2900 RPM is about 1 3 gallons hour 4 9 liters hour 7873B Fig 4 7 Flush the sprayer to remove the oil which was left in the pump after factory testing to protect the pump from corrosion See Flushing 8 Battery Maintenance Always charge a new battery or a battery that has not been in use for a long period 307616 7 Flushing When to Flush 4 Changing from oil base to water base paint Flush with mineral spirits followed by soapy water 1 New sprayer Your new sprayer was factory tested then a clean water flush with lightweight oil which w
32. ush the sprayer at the end of each work day if using water based fluid or if it could harden in the sprayer over night See FLUSHING page 8 Use a compatible solvent to flush then fill the pump and hoses with solvent such as mineral spirits to help prevent pump corro sion Relieve pressure d For long term shutdown or storage always fill the sprayer with mineral spirits to prevent pump corrosion Relieve pressure 8 Adjusting the Intake Valve Ball Travel a The pump is set to handle medium volume low viscosity fluid To adjust the pump for higher flow or heavier viscosity fluid disas semble the intake valve as instructed in manual 311762 and move the ball stop pin to a higher set of holes This increases the ball travel 307616 11 Maintenance 1 Always stop the pump at the bottom of its stroke when you take a break and at the end of the day This helps keep fluid from drying on the rod and damaging the packings 2 Keep the displacement pump packing nut wet cup 1 3 full of TSL at all times The TSL helps protect the packings and rod 3 Checkthe tightness of the packing nut daily It should be tight enough to stop leakage but no tighter Proper engine and hydraulic oil level is important to prevent costly damage to the sprayer Check it as often as recommended in Steps 4 and 5 below 4 Checkthe hydraulic oil level weekly The oil must be up to the top mark on the dipstick Use only Graco Hydraulic 31 5
33. w it to become too low Use only Graco approved hydraulic fluid See pages 5 and 20 307616 13 Replacing the Hydraulic Pump 9 Pull the pump straight off the pump support 1 Follow the Pressure Relief Procedure Warning on page 10 Let the hydraulic system cool before 10 Loosen the setscrews 108 on the pump half of beginning the service procedure the coupler 109 See Fig 9 2 Unscrew the reservoir drain plug 51 having a container ready to catch the draining fluid 11 Remove all fittings from the old pump and install them on the new pump in the same order 3 Disconnect the hose 7 from the bypass valve 9 by loosening the hose clamp 8 See Fig 8 12 Check Dimension A as shown in Fig 9 When the 4 Loosen the hose clamp 8 and pull the hose 85 dimension is correct tighten the setscrews 108 off the hose insert 5 near the elbow 3 See Fig slide the new pump assembly onto the pump 8 support 117 and recheck the dimension 5 Loosen the hose clamp 54 on the hose 53 just above the hydraulic pump 107 See Fig 8 A CAUTION 6 Loosen the tube fitting nut 18 of hose 22 See ga sag Fig 8 The correct coupling dimension is critical to avoid improper coupler engagement to the coupler spider which will damage the coupler and make the sprayer inoperable 7 Remove the two capscrews 150 lockwashers 66 and washers 64 holding the pump 107 to the support 117 See Fig 8 8 Fill oi
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