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Hitachi 288466 manual

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Table of contents for the manual

  • Page 1

    Graco Inc. P.O. Box 1441 Minneapolis, MN 55440-1441 Copyright 2007, Graco Inc. is r egistered to I. S. EN ISO 9001 311845C Instr uctions Displacement Pump - For portable spray application of architectural pai nts and coatings - Model 288466, 28846 7, 288468, 288819 3300 psi (22. 8 MP a, 25 bar) Maxim um W orking Pressure Important Safety Instructio[...]

  • Page 2

    Warnings 2 311845C Wa r n i n g s The f ollo wing warnings are f or the setup , use, g rounding, maintenan ce, and repair of this equipment. The e xclama - tion point symbol alerts you to a gener al warning and the hazar d symbol ref ers to procedure-specif ic risk. Ref er back to these wa rnings. Additional, prod uct- specific w arnings may be f o[...]

  • Page 3

    Service 311845C 3 Service Pressure Relief Pr ocedure 1. Engage tr igger lock. 2. T ur n engine O N/OFF switch to OFF . 3. Mov e pump switch to OFF and t ur n pressu re control knob fully clockwise. 4. Unlock trigger lock. Hold me tal par t of gun fir mly to side of grounde d metal pail and trigger gun to relie ve pressure. 5. Engage the tr igger lo[...]

  • Page 4

    Repair 4 311845C Repair See y our spra yer inst ruction manual f or complete instructions fo r removing and installing the pump in your spra yer . Disassembl y 1. (Fig. 1) Remove pac kin g nut (3). F IG . 1 2. (Fig. 2) Unscrew inta k e valv e from cylinder . F IG . 2 3. (Fig. 3) Disassemb le intake valv e. Clean and inspect o-r ing (17) . Y ou may [...]

  • Page 5

    Repair 311845C 5 6. (Fig. 6) Unscre w piston valv e (6) from piston rod (5). Clean and inspect parts. The piston has a special thread locking/sealing patch. Do not remove the patch. The patch allo ws f or disassembly/assemb ly procedures bef ore it is necessary to apply Loctite ® to the thre ads. F IG . 6 7. (Fig. 7) Remo ve pac king and glands fr[...]

  • Page 6

    Repair 6 311845C Reassembl y Note: For steps 1-4 refer to Fig. 9. 1. Stac k male gland (7) on piston rod (5) . 2. Alternately stac k blue UHMWPE (8) and bro wn UHMWPH (9) (288466, 288467, 2884680 ) or leather (288819) packin gs on piston rod. Note orientation. 3. Install f emale gland (10). 4. Install backup washer (13 ) and piston wiper (12) on pi[...]

  • Page 7

    Repair 311845C 7 7. Soak all leather pa ckings in SAE 30W oil f or 1 hour minimum prior to assemb ly . Note: F or steps 8-10 ref er to Fig. 12. 8. Place male gland (20) in cylinder . 9. Alternately stac k UHMWPE (21) and leather pac k- ings (22). Note or ient ation. 10. Place f emale gland (23) in top of cylinder . Seat pac kings. F IG . 12 11. (Fi[...]

  • Page 8

    Repair 8 311845C 14. (Fig. 16) Reassemb ly intake v alve with ne w o-ring (17), seat ( 16) and ball ( 19). Seat m a y be flipped ov er and used on the other side. Clean seat thor- oughly . F IG . 16 15. (Fig. 17) Install intake v a lv e on cylinder . T orque to: 200 +/- 5 ft-lb (271 +/ - 7 N• m) 288467/288468, 2888 19. 110+/- 5 ft-lb (149 +/- 7 N[...]

  • Page 9

    Parts 311845C 9 Pa r t s Model 288467/288468 * Included in Repair Kit 287813 † Included in Repair Kit 240918 ti8826a 24 3 25 23 8 21 20 5 11 12 13 6 2 15 14 4 14 18 19 16 17 1 26 7 8 9 10 Ref P ar t Descripti on Qty 1 15E655 HOUSING 1 2 288482 CYLINDER (model 288467 ) 1 288483 CYLINDER (model 288468 ) 3 15J792 NUT , packing 1 4 249121 SLEEVE, cyl[...]

  • Page 10

    Parts 10 311845C Model 288466 *Included in Repair Kit 288471 †Included in Repair Kit 24 4199 ti8825a 14 4 15 14 2 1 17 16 19 18 6 11 13 12 10 9 8 7 5 5 8 22 10 7 25 3 24 Ref P ar t Descripti on Qty 1 195894 HOUSING, intake 1 2 288727 CYLINDER 1 3 193032 NUT , packing 1 4 248210 SLEEVE, cylinder 1 5 288479 ROD , pisto n 1 6 240150 V AL VE, pist on[...]

  • Page 11

    Parts 311845C 11 Model 288819 * Included in Repair Kit 288820 † Included in Repair Kit 245885 ti9569a 24 3 25 23 8 9 20 5 12 13 11 6 2 15 14 4 14 18 19 16 17 1 26 7 8 9 10 Ref P ar t Descripti on Qty 1 15A303 HOUSING, intake 1 2 288822 CYLINDER, pump 1 3 15J792 NUT , packing 1 4 248979 SLEEVE, cylinder 1 5 288821 ROD , pist on 1 6 249177 V AL VE,[...]

  • Page 12

    Parts 12 311845C Notes[...]

  • Page 13

    Technical Data 311845C 13 Te c h n i c a l D a t a Maximum working pressure 3300 psi, 25 bar , 22.8 MP a Fluid inlet size 1-5/16 UN (m) models 288 467/288468 3/4-14 npt (m ) model 288466 Fluid outlet size 3/8 npt (f) W etted par ts stainless steel, PTFE, leat her , nylon, zinc- plated carbon steel, tungste n carbide , brass , fluorelastomer , aceta[...]

  • Page 14

    Graco Standard Warra nty 14 311845C Graco Standar d W arranty Graco warrants all equipment ref erenced in this document which is manufactured by Gr aco and bearing its name to be free from de fe c t s i n material and workmanship on the date of sale to the origin al purch aser for use. With the e xception of any special, extended, or limited warran[...]