Graco 308048K User's Manual
Contents
1. 17 is in place Install the piston stop 28 and locknut 27 on the trip rod Torque the nut to 117 123 in Ib 13 2 13 9 N m Slide the trip rod 31 into the piston 30 Apply thread sealant to the retainer 34 threads With the piston flats in a vise tighten the retainer until it is flush or below the piston surface This is important to prevent the retainer from backing out during operation and damaging the motor NOTE Set base 2 on workbench during reassembly 5 Install the o ring 83 onto the cylinder 29 Install the cylinder 29 into the lower housing 25 Install the trip rod and piston into the cylinder 29 and lower housing 25 so the piston is recessed at least 1 inch 25 mm from the top of the cylinder If the bearing and guide 35 was removed install it on the upper housing 53 with the three screws 36 apply thread sealant Hold the flats of the trip rod with an adjustable wrench and install the upper housing 53 The trip rod will protrude from the top Slide the lower trip rod guide 37 and spring 45 onto the trip rod Install the spool 38 with the detent at the top Install the top spring 45 and guide 37 on the trip rod Install the top hex nut 46 Torque the nut to 82 88 in Ib 9 3 9 9 N m 10 308048 10 11 12 13 14 15 16 18 Remove the adjustable wrench Seat the upper housing 53 onto the cylinder 29 so the tube fittings align with2. Copyright 1990 Graco Inc is registered to ISO 9001 www graco com Revised 08 2010 16 308048
3. Qty Ko Pf KRM MHS YH DM DY a NOGO N N D et 1 These parts are also included in Repair Kit 223654 A Replacement Danger and Warning labels tags and cards are available at no cost Label 290331 is also available in the following languages German Part No 290396 French Part No 290397 Spanish Part No 290398 308048 13 Mounting Hole Layout i IN Y A y on PS O Sa aA rote A Four 0 437 in 11 1 mm dia mounting holes A 3 712 in 9 45 cm A 3 464 in 8 79 cm 4 0 in 9 84 cm A 2 0 in 5 08 cm A Three 5 8 11 UNC 2B tapped holes A Gasket 161806 is not shown Order Separately a 02589 14 308048 Dimensions AN 1 in npt Outlet A 3 4 in npt Inlet AAN 11 25 in dia 285 8 mm Sk ZAN 24 94 in 633 8 mm A 1 8 in to top of 4 69 in stroke 02631 f Technical Data Category Data Maximum hydraulic fluid input pressure 1500 psi 10 MPa 103 bar Also see the WARNING on page 5 Maximum hydraulic fluid flow 12 gpm 45 6 liter min Hydraulic fluid consumption 1 gal 3 8 liter per 5 cycles Effective piston area 4 9 sq in 31 6 cm Piston rod diameter 2 5 in 64 mm Stroke length 4 69 in 119 1 mm Thrust at 1500 psi 10 MPa 103 bar 7300 psi 32 472 N approx 96 Ib 43 5 kg Loctite is a registered trademark of the Loctite Corp Sound Data Hydraulic Pressure dB A at 20 cycles dB A at 30
4. cycles dB A at 60 cycles per minute per minute per minute 1500 psi 10 MPa 103 bar 308048 15 Graco Warranty and Limitation of Liability 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 by an authorized Graco distributor 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 of the equipment claimed to be
5. 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 Graco s sole obligation 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 gas engines 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 conse
6. in a fire or explosion and serious injury Ground the equipment and the object being sprayed Refer to Grounding on page 6 If 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 Before operating this equipment electrically disconnect all equipment in the spray area Before operating this equipment 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 spraying or while there are any fumes in the air Do not operate a gasoline engine in the spray area 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 4 308048 Installation A WARNING Maximum Hydraulic Input Pressure The maximum safe hydraulic input pressure to
7. metal tion also includes details on how to connect the grounded pails when flushing Make firm metal to grounding wire and clamp to the various hydraulic metal contact between the metal part of the spray motors gun and the pail Use the lowest possible pres sure Proper grounding is an essential part of maintaining a 8 To maintain grounding continuity when flushing or safe system relieving pressure always hold a metal part of the gun firmly to the side of a grounded metal pail and To reduce the risk of static sparking ground the pump then trigger the spray gun Check your local electrical code for detailed grounding instructions for your area and type of equipment Be sure to ground all of this equipment 1 Pump use a ground wire and clamp as shown to D the right Loosen the locknut A of the grounding lug and washer Insert one end of the wire B in B the grounding lug 14 and tighten the locknut aad securely See Fig 2 Connect the other end of the o wire to a true earth ground as recommended by aie your local code Order Part No 237569 Ground A Wire and Clamp oy go gt 2 Hydraulic hoses and fluid outlet hoses use only electrically conductive hoses A 14 8 Hydraulic power supply and air compressor follow manufacturer s recommendations 04468 Fig 2 6 308048 Service Pressure Relief Procedure A WARNING SKIN INJECTION HAZARD Won The system pressure must be manually relieved to pr
8. this motor depends on the pressure rating of the dis placement pump to which it is connected Refer to the lower manual and the pump manual for the maximum fluid working pressure and the ratio Never exceed the maximum fluid working pressure of the pump Serious injury or damage to the equipment may result A WARNING To reduce the risk of serious injury whenever you are instructed to relieve pressure always follow the Pressure Relief Procedure on page 7 Be sure you always shut off the supply line shutoff valve E first and then the return line shutoff valve This is to prevent overpressurizing the motor or its seals When starting up the hydraulic system open the return line shutoff valve first NOTICE Keep the hydraulic system clean To reduce the risk of damaging the hydraulic power supply blow out all hydraulic lines with air flush thoroughly with solvent and then blow out with air again before connecting the lines to the motor Always plug the hydraulic inlets outlets and lines when disconnecting them to avoid introducing dirt and other contaminants into the system Carefully follow the manufacturer s recommendations on reservoir and filter cleaning and periodic changes of hydraulic fluid NOTICE Recommended Hydraulic Oil Use Graco approved Hydraulic Oil Part No 169236 5 gal or 207428 1 gal or a premium ISO grade 46 petroleum based hydraulic oil containing rust and oxidation inhibitors and ant
9. 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 operates before spraying Lock the gun trigger safety when you stop spraying Follow the Pressure Relief Procedure on page 7 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 damaged or loose parts immediately Permanently coupled hoses cannot be repaired replace the entire hose Use only Graco approved hoses Do not remove any spring guard that is used to help protect the hose from rupture caused by kinks or bends near the couplings MOVING PARTS HAZARD st Moving parts can pinch or amputate your fingers e Keep clear of all moving parts when starting or operating the pump e Before servicing the equipment follow the Pressure Relief Procedure on page 7 to prevent the equipment from starting unexpectedly 308048 3 A WARNING FIRE AND EXPLOSION HAZARD Improper grounding poor ventilation open flames or sparks can cause a hazardous condition and result
10. Instructions Parts List GRACO Quiet Viscount II Used as hydraulic drive for reciprocating pumps For professional use only Model 223646 Series B 1500 psi 10 MPa 103 bar Maximum Hydraulic Fluid Input Pressure Patent No 4 792 291 Foreign Patents Pending Important Safety Instructions Read all warnings and instructions in this manual Save these instructions Table of Contents WAIN GS veiran a hace NEEE 2 Installation i canit eee eee 5 Sevice 8 sec dea gti Ai deals a Aa DE 7 PAINS ie ascend oder T T E a aseve en ace Bie Ke 12 Mounting Hole Layout 14 Dimensions 0 000 e eee eee eee 14 Technical Data 00 c eee ee eee 15 Warranty 22 2034 sent Toke hws 16 Graco Phone Number 16 i PROVEN QUALITY LEADING TECHNOLOGY Symbols Warning Symbol Notice Symbol This symbol alerts you to the possibility of serious This symbol alerts you to the possibility of damage to injury or death if you do not follow the instructions or destruction of equipment if you do not follow the corresponding instructions A WARNING EQUIPMENT MISUSE HAZARD Equipment misuse can cause the equipment to rupture or malfunction and result in serious injury Ed NA INSTRUCTIONS 2 This equipment is for professional use only Read all instruction manuals tags and labels before operating the equipment Use the equipment only for its
11. d remove the top hex nut 46 from the trip rod 16 Remove the upper housing 53 17 Remove the trip rod guides 37 compression springs 45 and valve spool 38 from the upper housing Inspect the bearing inside of the guide 35 in place If bearing is damaged replace item NOTE Inspect the trip rod 31 above the shoulder for damage There must be no reduction in diameter Replace if necessary 18 Pull the trip rod and piston from the lower housing 25 and cylinder 29 Place the piston flats 30 in a vise tighten the vise on the flats of the piston Use a face spanner to remove the retainer 34 Remove the trip rod 31 from the piston 30 19 Remove the trip rod locknut 27 and piston stop 28 If the piston is replaced remove the spring 26 to use in the new piston 20 Remove the bearing 23 packings 24 and o ring 21 Service NOTE Circled letters refer to connected points 04466 Fig 3 308048 9 Service Reassembly Refer to Fig 4 1 Install the bearing 23 in the lower housing 25 Lubricate the seals 24 with hydraulic oil Install them in the lower housing 25 with the lips facing up toward the top of the motor Install the o ring 21 onto the lower housing 25 Place the piston flats in a vise Install the spring 26 inside the piston 30 The compression rings 32 must be positioned with the joints about 180 opposed Be sure the o ring
12. event the system from starting or spraying accidentally Fluid under high pressure can be injected through the skin and cause serious injury To reduce the risk of an injury from injection splashing fluid or moving parts follow the Pressure Relief Procedure whenever you e are instructed to relieve the pressure e stop spraying e check or service any of the system equipment e or install or clean the spray tip 1 Lock the gun trigger safety 2 Shut off the hydraulic power supply 3 Close the supply line shutoff valve and then the return line shutoff valve 4 Unlock the gun trigger safety 5 Hold a metal part of the gun firmly to the side of a grounded metal pail and trigger the gun to relieve pressure 6 Lock the gun trigger safety 7 Open the drain valve required in your system having a container ready to catch the drainage 8 Leave the drain valve open 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 very slowly loosen the tip guard retaining nut or hose end coupling and relieve pressure gradually then loosen completely Now clear the obstruction Before you start Be sure you have all necessary parts on hand 1 Repair Kit 223654 is available The kit must be purchased separately An asterisk behind a refer ence number in the parts list for example 21 i
13. i wear agents Before using any other type of oil in this motor contact your Graco distributor Unauthorized use of lesser grade oil or substitutes may void the warranty Hydraulic Oil Working Temperature The recommended hydraulic oil operating tempera ture is 80 115 F 27 45 C The motor seals will wear faster and leakage may occur if the pump is operated at higher oil temperatures If the hydraulic oil temperature approaches 130 F 54 C check the hydraulic fluid supply cooling system filters etc and clean or repair as needed Refer to the complete pump manual for detailed instal lation information or contact your Graco distributor NOTE A 1 in npt seal 7 is supplied in a plastic bag with the motor Thread the seal onto the threads of your hydraulic return line fitting A Thread the fitting into the upper housing 53 and torque as needed Then tighten the seal 7 against the motor to provide a secure seal See Fig 1 53 A e J a me wy b a Fig 1 308048 5 Installation Grounding 4 Spray gun obtain grounding through connection to a properly grounded fluid hose and pump A WA R N N G 5 Fluid supply container according to local code For your safety read the FIRE AND EXPLOSION 6 Object being sprayed according to local code HAZARD WARNINGS on page 4 and ground your entire system as instructed below This sec 7 Any pails used when flushing Use only
14. intended purpose If you are uncertain about usage call your Graco distributor Do not alter or modify this equipment Use only genuine Graco parts and accessories Check equipment daily Repair or replace worn or damaged parts immediately Do not exceed the maximum working pressure stated on the equipment or in the Technical Data for your equipment Do not exceed the maximum working pressure of the lowest rated component in your system 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 manufacturer s warnings Handle hoses carefully Do not pull on hoses to move 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 move or lift pressurized equipment Wear hearing protection when operating this equipment Comply with all applicable local state and national fire electrical and safety regulations 308048 A WARNING SKIN INJECTION HAZARD Spray from the gun hose 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 might look like just a cut but it is a serious injury Get immediate surgi cal
15. ndicates that the part is included in the repair kit 2 Clean all parts as you disassemble them and inspect them for wear or damage Replace parts as necessary Use Loctite TL 242 thread sealant or the equivalent when thread sealant is specified Disassembly Refer to Fig 3 NOTE Use all the replacement parts that are in the repair kit 1 Flush the displacement pump if possible A WARNING To reduce the risk of serious injury whenever you are instructed to relieve pressure always follow the Pressure Relief Procedure on page 7 2 Relieve the pressure 3 Stop the pump at the bottom of its stroke NOTICE Avoid getting dust or dirt in the motor during service Cleanliness is essential when repairing an hydraulic motor 4 Disconnect the displacement pump hoses Discon nect the hydraulic hoses and plug all hydraulic connections and lines to prevent contamination 308048 7 Service Disassembly continued refer to Fig 3 NOTICE When removing the displacement pump hold it securely The pump is heavy and could fall off the motor 5 Disconnect the displacement pump from the motor as explained in your separate pump manu al 6 Place the hydraulic motor in a bench vise 7 Push or lightly tap the piston 30 up as far as possible NOTE The tie rod nuts 19 socket screws 51 cap screws 36 and retainer 34 are fastened with Loc tite TL 242 Heat may be used sparingly
16. quential 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 a 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 distributor closest to you 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 Original instructions This manual contains English MM 308048 Graco Headquarters Minneapolis International Offices Belgium China Japan Korea GRACO INC P O BOX 1441 MINNEAPOLIS MN 55440 1441
17. those on the lower housing 25 Reinstall the hydraulic tube 4 and loosely tighten the compression nuts Replace the o ring 49 on the stop plug 48 Seat the plug into the upper housing 53 Install the end cap 47 using thread sealant on the socket screws 51 Lubricate the threads of the tie rods 57 and install them with lockwashers 52 If the crown nuts 44 were removed reinstall them and torque them onto the rods to 70 80 ft lb 95 108 N m Torque tie rods into base apply thread sealant to tie rod threads then torque the tie rod nuts 19 to 70 80 ft lb 95 108 N m With the motor on its side install one detent assembly the ball 43 guide 42 with the con cave surface toward the ball spring 40 o ring 41 and retaining plug 39 Torque the plug to 145 160 in Ib 16 18 N m Repeat for the other side of the motor Slide the drip cover 18 onto the piston 30 up to the o ring 17 Install screw 20 into the piston Attach the drip pan 16 to the base using screws 12 Snugly tighten the compression nuts on the hy draulic tube 4 and torque to 60 80 ft lb 81 108 N m Install the motor on the displacement pump Re connect all fluid lines Be sure the ground wire is connected before operating the pump Service Tr 3 E 49 Ga A Rings must be positioned with joints opposed A Lips must face up toward top of motor AN Lubricate threads A Torque
18. to 70 80 ft lb 95 108 N m 30 A Apply thread sealant A Torque to 60 80 ft lb 81 108 N m TAN Torque to 117 123 in lb 13 2 13 9 N m 17 Torque to 82 88 in lb 9 3 9 9 N m A Torque to 145 160 in lb 16 18 N m Fig 4 308048 11 Model 223646 Series B NOTE See the service section for important torque and lubrication information NOTE Circled letters refer to connected points 04466 12 308048 Model 223646 Series B Ref No 1A 2 3 3a 6a 7a 9A 10 1A 12 Part No 290331 186221 110797 110926 210108 112574 110791 110926 110876 110927 183695 172975 100508 172815 100333 103875 104029 104582 210110 165295 171397 100155 101577 110800 186223 110795 186218 104664 103450 181243 186219 188087 171407 104103 Description LABEL instruction English BASE ELBOW male 3 4 npt Includes item 3a O RING nitrile rubber TUBE ADAPTER 3 4 npt f x 1 1 16 12 TEE 7 8 14 unf 2a x 1 1 16 12un 2a 37 flare for 3 4 in dia tube Includes item 6a O RING nitrile rubber ADAPTER 1 11 1 2 npt x 1 5 16 12un 2a Includes item 7a O RING nitrile rubber LABEL identification not shown LABEL warning SCREW type u drive No 4 x 0 188 in PLATE warning SCREW cap hex hd 1 4 20 x 0 5 in ADAPTER barbed hose 1 8 npt x 0 25 in 6 4 mm ID hose GROUNDING LUG WASHER PAN drip O RING ni
19. to soften adhesive sealant during disassembly 8 Remove the cap screws 12 the drip pan 16 the drip cover 18 and machine screw 20 before loosening the tie rod nuts Then remove the four tie rod nuts 19 Loosen the nuts B on the hy draulic tube 4 and loosen the tie rods 57 9 Remove the motor from the vise and lay it ina pan 10 Remove one detent assembly retaining plug 39 o ring 41 spring 40 ball guide 42 and ball 43 If the ball or other parts stick in the upper housing 53 turn the motor over and tap lightly Do not allow the parts to fall into the motor Repeat the procedure for the other detent assembly 11 Remove the tie rods 57 but do not remove the crown nuts 44 12 Remove the socket screws 51 and the end cap 47 Pull the stop plug 48 from the upper hous ing 53 8 308048 13 Unscrew the top and bottom compression nuts B on the hydraulic tube 4 Rotate the upper housing 53 and remove the tube being careful not to damage the flare A Allow the oil to drain from the motor into the pan NOTE With the tie rods removed the assembly may separate at the joints between the cylinder 29 and the upper and lower housings 53 and 25 14 Rock the upper housing 53 to work it free and lift it about 3 inches off the cylinder 29 The cylin der can stay in the lower housing 25 15 Hold the trip rod 31 with an adjustable wrench on the flats of the rod an
20. trile rubber COVER drip NUT hex jam 5 8 18 SCREW machine hex hd No 10 20 x 0 375 in O RING buna N BEARING piston bronze filled PTFE SEAL u cup polyurethane HOUSING lower SPRING compression NUT hex self locking 5 16 18 STOP piston CYLINDER PISTON ROD trip RING piston compression KR So tt ak a a oe oo l o_k k k N e a a S S N 54a 55 55a 56 57 58 Part No 166071 171398 210292 108538 183659 183658 186222 108522 110801 167210 101701 104143 171411 104105 180953 171416 104093 108132 101864 100128 186217 110792 110801 110799 110925 223608 171405 105430 Description O RING nitrile rubber RETAINER BEARING and GUIDE SCREW soc flat hd self locking 1 4 20 x 1 2 in GUIDE trip rod SPOOL valve RETAINER spring SPRING helical compression O RING nitrile rubber GUIDE ball BALL 1 4 in dia NUT crown 5 8 18 SPRING compression NUT hex lock 1 4 20 CAP end PLUG stop O RING nitrile rubber RING lift CAPSCREW soc hd 5 16 18 x 1 in LOCKWASHER spring 5 8 in HOUSING upper ELBOW 90 7 16 20 unf 2a m x 9 16 18 unf 2a m 37 flare for 3 8 in dia tube Includes item 54a O RING nitrile rubber PLUG 9 16 18 unf 2b Includes item 55a O RING nitrile rubber TUBE drain ROD tie NUT seal 1 in npt supplied in a plastic bag which may be purchased separately
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