Hitachi 288466 User's Manual
Contents
1. 288819 over and used on the other side Clean seat thor oughly 125 10 in Ib 14 1 Nem 288466 Spring 26 for model 288819 is optional and is not When pump packings begin to leak tighten packing included with the pump nut down until leakage stops or lessens This allows approximately 100 gallons of additional operation before repacking is required 26 288467 288468 26 288819 ti8847b Fic 16 15 Fig 17 Install intake valve on cylinder Torque to 200 5 ft lb 271 7 Nem 288467 288468 288819 110 5 ft lb 149 7 Nem 288466 FIG 17 8 311845C Parts Model 288467 288468 311845C 12 17 C79 ti8826a Ref 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16t 17 18 191 20 21 23 24 25 26 Part 15E655 288482 288483 15J792 249121 287 817 288469 288470 249177 189585 189588 107203 119636 15J800 108822 107306 240918 107098 198505 107167 15G658 15G657 112590 108832 245256 Description HOUSING CYLINDER model 288467 CYLINDER model 288468 NUT packing SLEEVE cylinder model 288467 SLEEVE cylinder model 288468 ROD piston model 288467 ROD piston model 288468 VALVE piston GLAND packing male PACKING VEE blue PACKING VEE brown GLAND packing female BALL valve check WIPER piston WASHER back up PACKING o ring PACKING o ring SEAT carbide PACKING o ring GUIDE2. Description HOUSING intake CYLINDER pump NUT packing 5 ied 248979 SLEEVE cylinder 288821 ROD piston 249177 VALVE piston gt T 189585 GLAND packing male Lol 8 PACKING vee blue Q 9 PACKING vee leather 10 189588 GLAND packing female 2 11 118601 BALL ceramic 0 5625 dia 12 119636 WIPER piston 13 15F183 WASHER backup 14 108822 PACKING o ring 15 107306 PACKING o ring 16 245885 SEAT carbide 17t 107098 PACKING o ring 18 15D158 GUIDE ball 19T 118602 BALL ceramic 0 875 dia 20 198768 GLAND packing male 23 194175 GLAND female 24 112590 PLUG throat seal 25 108832 PACKING o ring 26t 118600 SPRING compression optional not included with pump 11 6 OoahkWN kk cl sk d d st St N S S O OO HH SS st st si A Included in Repair Kit 288820 T Included in Repair Kit 245885 ti9569a 311845C 11 Parts Notes 12 311845C Technical Data Maximum working pressure Fluid inlet size Fluid outlet size Weited parts 311845C Technical Data 3300 psi 25 bar 22 8 MPa 1 5 16 UN m models 288467 288468 3 4 14 npt m model 288466 3 8 npt f stainless steel PTFE leather nylon zinc plated carbon steel tungsten carbide brass fluorelastomer acetal polyethylene ceramic 13 Graco Standard Warranty Graco Standard Warranty Graco warrants all equipment referenced in this document which is manufactured by Graco and bearing its name to be free
3. vent the system from starting or spraying accidentally To reduce the risk of an injury from accidental spray from the gun splashing fluid or moving parts follow the Pressure Relief Procedure whenever you are instructed to relieve the pressure stop spraying check or service any of the system equipment install or clean the spray nozzle Engage trigger lock Turn engine ON OFF switch to OFF 3 Move pump switch to OFF and turn pressure control knob fully clockwise 4 Unlock trigger lock Hold metal part of gun firmly to side of grounded metal pail and trigger gun to relieve pressure 5 Engage the trigger lock 6 Open all fluid drain valves in the system having a waste container ready to catch drainage Leave drain valve s open until you are ready to spray again If you suspect the spray tip or hose is clogged or that pressure has not been fully relieved after following the steps above VERY SLOWLY loosen tip guard retaining nut or hose end coupling to relieve pressure gradually then loosen completely Clear hose or tip obstruction N 311845C Service Tools Needed Vise 12 inch adjustable open end wrench 2 Hammer 20 oz maximum Small screwdriver Throat Seal Liquid Pick or long small screwdriver Cleaning and Inspecting Parts Never use a sharp or pointed tool to remove sleeve or other components which could result in pump rup ture and cause serious bodily injury If the sleeve cann
4. Do not operate the 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 forms from distributor or retailer Check equipment daily Repair or replace worn or damaged parts immediately with genuine manu facturer s replacement parts only Do not alter or modify equipment Use equipment only for its intended purpose Call your distributor for information Houte 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 equipment Keep children and animals away from work area Comply with all applicable safety regulations MOVING PARTS HAZARD Moving parts can pinch or amputate fingers and other body parts e Keep clear of moving parts e Do not operate equipment with protective guards or covers removed e Pressurized equipment can start without warning Before checking moving or servicing equipment follow the Pressure Relief Procedure in this manual Disconnect power or air supply 2 311845C Service Pressure Relief Procedure The system pressure must be manually relieved to pre
5. ball BALL SST GLAND male PACKING VEE leather GLAND female PLUG throat seal PACKING o ring SPRING intake ball Included in Repair Kit 287813 T Included in Repair Kit 240918 Parts ga Ss GD OO eS A Parts Model 288466 lt J 3 a 10 J _ Ea C gt e RE Ss e A 8 ern lt lt lt T e el E Bl 10 12 M i C 13 i Em 115 956 E 6 i amp a 18 A i J 19 3 15 16 17 cc Cou 14 hor _ 4 1 d CI sr 14 ti8825a 10 Ref Part 1 195894 2 288727 3 193032 4 248210 5 288479 6 240150 7 183178 8 9 10 183185 11 101947 12 118504 13 15C998 14 107098 15 106556 16T 244199 17 108526 18 193027 19T 102972 22 24 183171 25 120818 Description HOUSING intake CYLINDER NUT packing SLEEVE cylinder ROD piston VALVE piston GLAND packing male PACKING blue PACKING VEE brown GLAND packing female BALL bearing WIPER piston WASHER backup PACKING o ring PACKING o ring SEAT carbide PACKING o ring GUIDE ball BALL PACKING VEE leather PLUG PACKING o ring Included in Repair Kit 288471 TIncluded in Repair Kit 244199 2 lt U 4 PY NY WON a HS SS SS i 311845C Model 288819 12 wes Part 15A303 288822 15J792
6. 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 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 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
7. 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 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
8. 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 Graco Information TO PLACE AN ORDER contact your Graco distributor or call 1 800 690 2894 to identify the nearest distributor 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 This manual contains English MM311845 Graco Headquarters Minneapolis International Offices Belgium China Japan Korea GRACO INC P O BOX 1441 MINNEAPOLIS MN 55440 1441 www graco com 4 2007 14 311845C
9. 1 hour minimum prior to assembly Note For steps 8 10 refer to Fig 12 8 Place male gland 20 in cylinder 9 Alternately stack UHMWPE 21 and leather pack ings 22 Note orientation 10 Place female gland 23 in top of cylinder Seat packings n OR 3 5 AA A l V y l 2E 288467 288466 288468 288819 ti8857a Fic 12 l 11 Fig 13 Install packing nut 3 into cylinder and hand tighten j ti8858a Fic 13 Never slide piston assembly 5 into top of sleeve 4 as this may damage piston packings 311845C Repair 12 Fig 14 Install o rings 14 inside cylinder 2 and on sleeve 4 Slide sleeve 4 into bottom of cylinder 2 Replace o ring 15 if desired Place inside cylinder 2 and push to shoulder with sleeve 4 C 15 ti8859a FIG 14 Note O ring 15 is not required for safe pump opera tion 13 Fig 15 Grease top inch or two of piston rod 5 that goes through the sleeve cylinder assembly throat packings Grease piston packings at bottom of piston pump Carefully slide piston assembly 5 into bottom of sleeve cylinder assembly 2 until pump rod pro trudes out the top and piston packings are totally inside the sleeve 4 d860a FIG 15 Repair 14 Fig 16 Reassembly intake valve with new o ring 16 Torque packing nut to 17 seat 16 and ball 19 Seat may be flipped 140 10 in Ib 15 1 Nem 288467 288468
10. Instructions Displacement Pump G GRACO 311845C Wa tc x ymo ewe M E PUE Y s ED Y LE aoe orm ze M 3 T e em XE VELUM Pip tata ir ear Saal fay Oe en m am reas ELI a t an List nab cep ere d a sgin perce ec neta Peete For portable spray application of architectural paints and coatings Model 288466 288467 288468 288819 3300 psi 22 8 MPa 25 bar Maximum Working Pressure e Graco Inc P O Box 1441 Minneapolis MN 55440 1441 Copyright 2007 Graco Inc is registered to I S EN ISO 9001 Important Safety Instructions Read all warnings and instructions in this manual Save these instructions Model 288819 fi j As f y mii at A th z I Lj V f E RENE o A uet nent i JAF J r i T j j 1 I D J bw ai 5e l j c Lom Model 288467 288468 Model 288466 Ti8844a PROVEN QUALITY LEADING TECHNOLOGY CE 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 symbol refers to procedure specific risk Refer back to these warnings Additional product specific warnings may be found throughout the body of this manual where applicable EQUIPMENT MISUSE HAZARD Misuse can cause death or serious injury e
11. ot be removed easily return the sleeve and cyl inder to an authorized Graco distributor for removal e Clean and inspect all parts Replace worn or dam aged parts Ball seats in intake valve nicks or wear and piston Inside sleeve worn or scratched worn or scratched Piston rod e Remove and clean the sleeve when you are repack ing the pump Repair Repair See your sprayer instruction manual for complete instructions for removing and installing the pump in your sprayer Disassembly 1 Fig 1 Remove packing nut 3 WY ti8845a FiG 1 2 Fig 2 Unscrew intake valve from cylinder ti8846a FIG 2 3 Fig 3 Disassemble intake valve Clean and inspect o ring 17 You may need to use a pick to remove o ring Spring 26 for model 288819 is optional and is not included with the pump TE 26 gp AS j 288467 288468 18 me Sj 26 bal 17 Ea EL Fic 3 4 Fig 4 Use a hammer to tap piston rod 5 out of cylinder 2 or flip pump over and tap piston rod out against work bench Pad ti8848a FIG 4 5 Fig 5 Remove piston rod 5 from sleeve 4 ti8849a FIG 5 311845C Repair 7 Fig 7 Remove packing and glands from piston rod Note orientation for installation Do not clean or wipe piston valve 6 threads Clean ing the piston valve threads could destroy the special sealing patch and cause the piston valve to come loose during opera
12. tion f 3 13 6 Fig 6 Unscrew piston valve 6 from piston rod 5 C 40 Clean and inspect parts The piston has a special a 10 thread locking sealing patch Do not remove the SS patch The patch allows for disassembly assembly procedures before it is necessary to apply Loctite oS tig851a to the threads FIG 7 8 Fig 8 Remove throat packings and glands from 5 6 cylinder Discard throat packings and glands a 5 ti8850a FiG 6 ___ ti8853a Fic 8 311845C 5 Repair Reassembly Note For steps 1 4 refer to Fig 9 1 Stack male gland 7 on piston rod 5 2 Alternately stack blue UHMWPE 8 and brown UHMWPH 9 288466 288467 2884680 or leather 288819 packings on piston rod Note orientation 3 Install female gland 10 4 Install backup washer 13 and piston wiper 12 on piston valve 6 Note orientation The special sealing patch on piston valve threads is good for 4 repackings Use Loctite on piston valve threads after 4 repackings ti8854a FiG 9 5 Fig 10 Install ball 11 in piston rod 5 If Loctite is applied to piston valve threads ensure that none gets on ball Om 44 hf 5 jw x j Jti8855a Fic 10 6 Fig 11 Install piston valve 6 to piston rod 5 Torque to 55 3 ft lb 74 57 4 Ne m A Q 6 ixi IP Y g C C OD ti8856a Fic 11 311845C 7 Soak all leather packings in SAE 30W oil for
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